Flights from Singapore (SIN) to Washington, D.C. (DCA)

Flight schedules from Singapore to Washington, D.C. with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (36)

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Singapore SG
SIN09:00
22h 8m
1 Stop
Washington US
IAD19:08
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1678
  San Francisco. US
  SFO 10:45
  5h 23m
  2426 Miles
  Washington. US
  IAD 19:08
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Singapore SG
SIN21:00
22h 13m
1 Stop
Washington US
IAD07:13
+1 day/s
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 28
  Singapore. SG
  SIN 21:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 20:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 2247
  San Francisco. US
  SFO 22:50
  5h 23m
  2426 Miles
  Washington. US
  IAD 07:13
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Singapore SG
SIN09:00
22h 45m
1 Stop
Washington US
IAD19:45
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 308
  Singapore. SG
  SIN 09:00
  13h 40m
  6799 Miles
  London. GB
  LHR 15:40
  Airbus A380-800 Passenger
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 925
  London. GB
  LHR 16:40
  8h 5m
  3687 Miles
  Washington. US
  IAD 19:45
  Boeing 777 Passenger
  Operated by United Airlines
Singapore SG
SIN19:50
23h 23m
1 Stop
Washington US
IAD07:13
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 34
  Singapore. SG
  SIN 19:50
  15h 25m
  8486 Miles
  San Francisco. US
  SFO 20:15
  Airbus A350-900
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 2247
  San Francisco. US
  SFO 22:50
  5h 23m
  2426 Miles
  Washington. US
  IAD 07:13
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Singapore SG
SIN09:00
23h 28m
2 Stops
Washington US
IAD20:28
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1763
  San Francisco. US
  SFO 10:21
  5h 0m
  2260 Miles
  Pittsburgh. US
  PIT 18:21
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 3588
  Pittsburgh. US
  PIT 19:20
  1h 8m
  183 Miles
  Washington. US
  IAD 20:28
  
  Operated by United Airlines
Singapore SG
SIN09:15
23h 47m
1 Stop
Washington US
IAD21:02
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 32
  Singapore. SG
  SIN 09:15
  15h 25m
  8486 Miles
  San Francisco. US
  SFO 09:40
  Airbus A350-900
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 487
  San Francisco. US
  SFO 13:00
  5h 2m
  2426 Miles
  Washington. US
  IAD 21:02
  Boeing 787-9
  Operated by United Airlines
Singapore SG
SIN09:00
24h 1m
2 Stops
Washington US
IAD21:01
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1897
  San Francisco. US
  SFO 10:54
  1h 42m
  339 Miles
  Los Angeles. US
  LAX 12:36
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1635
  Los Angeles. US
  LAX 13:15
  4h 46m
  2296 Miles
  Washington. US
  IAD 21:01
  
  Operated by United Airlines
Singapore SG
SIN09:00
24h 1m
2 Stops
Washington US
IAD21:01
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1998
  San Francisco. US
  SFO 10:40
  4h 25m
  1851 Miles
  Chicago. US
  ORD 17:05
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 511
  Chicago. US
  ORD 18:05
  1h 56m
  590 Miles
  Washington. US
  IAD 21:01
  
  Operated by United Airlines
Singapore SG
SIN09:00
24h 11m
2 Stops
Washington US
IAD21:11
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 501
  San Francisco. US
  SFO 11:00
  2h 51m
  970 Miles
  Denver. US
  DEN 14:51
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 798
  Denver. US
  DEN 15:55
  3h 16m
  1457 Miles
  Washington. US
  IAD 21:11
  
  Operated by United Airlines
Singapore SG
SIN09:00
24h 11m
2 Stops
Washington US
IAD21:11
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1387
  San Francisco. US
  SFO 10:43
  2h 5m
  653 Miles
  Phoenix. US
  PHX 12:48
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 755
  Phoenix. US
  PHX 13:55
  4h 16m
  1963 Miles
  Washington. US
  IAD 21:11
  
  Operated by United Airlines
Singapore SG
SIN09:00
24h 20m
2 Stops
Washington US
IAD21:20
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 611
  San Francisco. US
  SFO 10:49
  1h 52m
  415 Miles
  Las Vegas. US
  LAS 12:41
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1961
  Las Vegas. US
  LAS 13:45
  4h 35m
  2072 Miles
  Washington. US
  IAD 21:20
  
  Operated by United Airlines
Singapore SG
SIN09:00
24h 20m
2 Stops
Washington US
IAD21:20
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 277
  San Francisco. US
  SFO 10:37
  4h 55m
  2146 Miles
  Atlanta. US
  ATL 18:32
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 2634
  Atlanta. US
  ATL 19:32
  1h 48m
  537 Miles
  Washington. US
  IAD 21:20
  
  Operated by United Airlines
Singapore SG
SIN23:55
25h 35m
1 Stop
Washington US
IAD13:30
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 26
  Singapore. SG
  SIN 23:55
  12h 50m
  6422 Miles
  Frankfurt. DE
  FRA 06:45
  Boeing 777-300ER Passenger
  Operated by Singapore Airlines
2. Flight 2Lufthansa LH 416
  Frankfurt. DE
  FRA 10:30
  9h 0m
  4092 Miles
  Washington. US
  IAD 13:30
  Airbus A340-300
  Operated by Lufthansa
Singapore SG
SIN09:00
25h 42m
2 Stops
Washington US
IAD22:42
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 2458
  San Francisco. US
  SFO 11:19
  4h 6m
  1641 Miles
  Houston. US
  IAH 17:25
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2405
  Houston. US
  IAH 18:41
  3h 1m
  1195 Miles
  Washington. US
  IAD 22:42
  
  Operated by United Airlines
Singapore SG
SIN01:25
25h 50m
1 Stop
Washington US
IAD15:15
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 346
  Singapore. SG
  SIN 01:25
  12h 50m
  6438 Miles
  Zurich. CH
  ZRH 08:15
  Boeing 777-300ER Passenger
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 53
  Zurich. CH
  ZRH 11:55
  9h 20m
  4169 Miles
  Washington. US
  IAD 15:15
  Boeing 767-400 Passenger
  Operated by United Airlines
Singapore SG
SIN23:25
26h 5m
2 Stops
Washington US
IAD13:30
+1 day/s
Singapore - Washington
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 791
  Singapore. SG
  SIN 23:25
  12h 35m
  6284 Miles
  Munich. DE
  MUC 06:00
  Airbus A350-900
  Operated by Lufthansa
2. Flight 2Lufthansa LH 93
  Munich. DE
  MUC 07:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 08:00
  Airbus A319 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 416
  Frankfurt. DE
  FRA 10:30
  9h 0m
  4092 Miles
  Washington. US
  IAD 13:30
  
  Operated by Lufthansa
Singapore SG
SIN23:25
26h 5m
2 Stops
Washington US
IAD13:30
+1 day/s
Singapore - Washington
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 791
  Singapore. SG
  SIN 23:25
  12h 35m
  6284 Miles
  Munich. DE
  MUC 06:00
  Airbus A350-900
  Operated by Lufthansa
2. Flight 2Lufthansa LH 95
  Munich. DE
  MUC 08:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 09:00
  Airbus A320 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 416
  Frankfurt. DE
  FRA 10:30
  9h 0m
  4092 Miles
  Washington. US
  IAD 13:30
  
  Operated by Lufthansa
Singapore SG
SIN21:00
26h 5m
2 Stops
Washington US
IAD11:05
+1 day/s
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 28
  Singapore. SG
  SIN 21:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 20:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 2097
  San Francisco. US
  SFO 22:35
  5h 16m
  2454 Miles
  Orlando. US
  MCO 06:51
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 1689
  Orlando. US
  MCO 08:50
  2h 15m
  764 Miles
  Washington. US
  IAD 11:05
  
  Operated by United Airlines
Singapore SG
SIN21:00
26h 7m
2 Stops
Washington US
IAD11:07
+1 day/s
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 28
  Singapore. SG
  SIN 21:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 20:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1665
  San Francisco. US
  SFO 23:15
  5h 53m
  2712 Miles
  Boston. US
  BOS 08:08
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 2098
  Boston. US
  BOS 09:25
  1h 42m
  414 Miles
  Washington. US
  IAD 11:07
  
  Operated by United Airlines
Singapore SG
SIN09:00
26h 18m
2 Stops
Washington US
IAD23:18
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2
  Singapore. SG
  SIN 09:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 08:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 1153
  San Francisco. US
  SFO 10:55
  5h 55m
  2573 Miles
  New York. US
  EWR 19:50
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 2204
  New York. US
  EWR 21:59
  1h 19m
  212 Miles
  Washington. US
  IAD 23:18
  
  Operated by United Airlines
Singapore SG
SIN23:35
26h 40m
2 Stops
Washington US
IAD14:15
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 177
  Singapore. SG
  SIN 23:35
  12h 40m
  6438 Miles
  Zurich. CH
  ZRH 06:15
  Boeing 777-300ER Passenger
  Operated by Swiss
2. Flight 2Swiss LX 2802
  Zurich. CH
  ZRH 07:30
  1h 0m
  143 Miles
  Geneva. CH
  GVA 08:30
  Airbus A320 Passenger
  Operated by Swiss
3. Flight 3United Airlines UA 975
  Geneva. CH
  GVA 11:00
  9h 15m
  4102 Miles
  Washington. US
  IAD 14:15
  
  Operated by United Airlines
Singapore SG
SIN23:35
26h 40m
2 Stops
Washington US
IAD14:15
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 177
  Singapore. SG
  SIN 23:35
  12h 40m
  6438 Miles
  Zurich. CH
  ZRH 06:15
  Boeing 777-300ER Passenger
  Operated by Swiss
2. Flight 2Swiss LX 786
  Zurich. CH
  ZRH 07:25
  1h 25m
  301 Miles
  Brussels. BE
  BRU 08:50
  Airbus A320 Passenger
  Operated by Swiss
3. Flight 3United Airlines UA 951
  Brussels. BE
  BRU 12:00
  8h 15m
  3903 Miles
  Washington. US
  IAD 14:15
  
  Operated by United Airlines
Singapore SG
SIN23:35
26h 40m
2 Stops
Washington US
IAD14:15
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 177
  Singapore. SG
  SIN 23:35
  12h 40m
  6438 Miles
  Zurich. CH
  ZRH 06:15
  Boeing 777-300ER Passenger
  Operated by Swiss
2. Flight 2Swiss LX 2804
  Zurich. CH
  ZRH 09:10
  0h 50m
  143 Miles
  Geneva. CH
  GVA 10:00
  Airbus A320 Passenger
  Operated by Swiss
3. Flight 3United Airlines UA 975
  Geneva. CH
  GVA 11:00
  9h 15m
  4102 Miles
  Washington. US
  IAD 14:15
  
  Operated by United Airlines
Singapore SG
SIN21:00
26h 43m
2 Stops
Washington US
IAD11:43
+1 day/s
Singapore - Washington
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 28
  Singapore. SG
  SIN 21:00
  14h 55m
  8486 Miles
  San Francisco. US
  SFO 20:55
  Boeing 787-9
  Operated by United Airlines
2. Flight 2United Airlines UA 549
  San Francisco. US
  SFO 23:40
  5h 45m
  2573 Miles
  New York. US
  EWR 08:25
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 4388
  New York. US
  EWR 10:11
  1h 32m
  212 Miles
  Washington. US
  IAD 11:43
  
  Operated by United Airlines
Singapore SG
SIN06:15
26h 46m
2 Stops
Washington US
IAD21:01
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1ANA NH 802
  Singapore. SG
  SIN 06:15
  7h 15m
  3347 Miles
  Tokyo. JP
  NRT 14:30
  Boeing 787-9
  Operated by ANA
2. Flight 2ANA NH 6
  Tokyo. JP
  NRT 17:00
  10h 0m
  5469 Miles
  Los Angeles. US
  LAX 11:00
  Boeing 787-9
  Operated by ANA
3. Flight 3United Airlines UA 1635
  Los Angeles. US
  LAX 13:15
  4h 46m
  2296 Miles
  Washington. US
  IAD 21:01
  
  Operated by United Airlines
Singapore SG
SIN23:25
26h 50m
2 Stops
Washington US
IAD14:15
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Turkish Airlines TK 55
  Singapore. SG
  SIN 23:25
  11h 10m
  5423 Miles
  Istanbul. TR
  IST 05:35
  Boeing 777-300ER Passenger
  Operated by Turkish Airlines
2. Flight 2Turkish Airlines TK 1937
  Istanbul. TR
  IST 07:55
  3h 30m
  1338 Miles
  Brussels. BE
  BRU 10:25
  Airbus A321 Passenger (sharklets)
  Operated by Turkish Airlines
3. Flight 3United Airlines UA 951
  Brussels. BE
  BRU 12:00
  8h 15m
  3903 Miles
  Washington. US
  IAD 14:15
  
  Operated by United Airlines
Singapore SG
SIN23:25
27h 35m
2 Stops
Washington US
IAD15:00
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Turkish Airlines TK 55
  Singapore. SG
  SIN 23:25
  11h 10m
  5423 Miles
  Istanbul. TR
  IST 05:35
  Boeing 777-300ER Passenger
  Operated by Turkish Airlines
2. Flight 2Turkish Airlines TK 1587
  Istanbul. TR
  IST 08:05
  3h 10m
  1148 Miles
  Frankfurt. DE
  FRA 10:15
  Airbus A330-300 Passenger
  Operated by Turkish Airlines
3. Flight 3United Airlines UA 988
  Frankfurt. DE
  FRA 12:20
  8h 40m
  4092 Miles
  Washington. US
  IAD 15:00
  
  Operated by United Airlines
Singapore SG
SIN23:30
27h 45m
2 Stops
Washington US
IAD15:15
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 322
  Singapore. SG
  SIN 23:30
  13h 25m
  6799 Miles
  London. GB
  LHR 05:55
  Airbus A380-800 Passenger
  Operated by Singapore Airlines
2. Flight 2Air Canada AC 853
  London. GB
  LHR 08:30
  7h 55m
  3566 Miles
  Toronto. CA
  YYZ 11:25
  Boeing 777-300ER Passenger
  Operated by Air Canada
3. Flight 3Air Canada AC 8618
  Toronto. CA
  YYZ 13:45
  1h 30m
  348 Miles
  Washington. US
  IAD 15:15
  
  Operated by Air Canada
Singapore SG
SIN23:25
27h 55m
2 Stops
Washington US
IAD15:20
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Turkish Airlines TK 55
  Singapore. SG
  SIN 23:25
  11h 10m
  5423 Miles
  Istanbul. TR
  IST 05:35
  Boeing 777-300ER Passenger
  Operated by Turkish Airlines
2. Flight 2Turkish Airlines TK 1979
  Istanbul. TR
  IST 07:50
  4h 0m
  1555 Miles
  London. GB
  LHR 09:50
  Boeing 777-300ER Passenger
  Operated by Turkish Airlines
3. Flight 3United Airlines UA 919
  London. GB
  LHR 12:15
  8h 5m
  3687 Miles
  Washington. US
  IAD 15:20
  
  Operated by United Airlines
Singapore SG
SIN15:10
28h 3m
2 Stops
Washington US
IAD07:13
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1EVA Air BR 216
  Singapore. SG
  SIN 15:10
  4h 40m
  2012 Miles
  Taipei. TW
  TPE 19:50
  Boeing 777-300ER Passenger
  Operated by EVA Air
2. Flight 2EVA Air BR 28
  Taipei. TW
  TPE 23:30
  11h 30m
  6493 Miles
  San Francisco. US
  SFO 20:00
  Boeing 777-300ER Passenger
  Operated by EVA Air
3. Flight 3United Airlines UA 2247
  San Francisco. US
  SFO 22:50
  5h 23m
  2426 Miles
  Washington. US
  IAD 07:13
  
  Operated by United Airlines
Singapore SG
SIN23:55
28h 24m
2 Stops
Washington US
IAD16:19
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 26
  Singapore. SG
  SIN 23:55
  21h 25m
  9585 Miles
  New York. US
  JFK 11:10
  Boeing 777-300ER Passenger
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 1992
  New York. US
  EWR 15:00
  1h 19m
  212 Miles
  Washington. US
  IAD 16:19
  Boeing 737-900 Passenger
  Operated by United Airlines
Singapore SG
SIN23:55
28h 25m
2 Stops
Washington US
IAD16:20
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 26
  Singapore. SG
  SIN 23:55
  21h 25m
  9585 Miles
  New York. US
  JFK 11:10
  Boeing 777-300ER Passenger
  Operated by Singapore Airlines
2. Flight 2United Airlines UA 3581
  New York. US
  LGA 14:45
  1h 35m
  229 Miles
  Washington. US
  IAD 16:20
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Singapore SG
SIN23:25
28h 40m
2 Stops
Washington US
IAD16:05
+1 day/s
Singapore - Washington
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 791
  Singapore. SG
  SIN 23:25
  12h 35m
  6284 Miles
  Munich. DE
  MUC 06:00
  Airbus A350-900
  Operated by Lufthansa
2. Flight 2Lufthansa LH 99
  Munich. DE
  MUC 09:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 10:00
  Airbus A320 Passenger (sharklets)
  Operated by Lufthansa
3. Flight 3Lufthansa LH 418
  Frankfurt. DE
  FRA 13:10
  8h 55m
  4092 Miles
  Washington. US
  IAD 16:05
  
  Operated by Lufthansa
Singapore SG
SIN23:25
28h 40m
2 Stops
Washington US
IAD16:05
+1 day/s
Singapore - Washington
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 791
  Singapore. SG
  SIN 23:25
  12h 35m
  6284 Miles
  Munich. DE
  MUC 06:00
  Airbus A350-900
  Operated by Lufthansa
2. Flight 2Lufthansa LH 101
  Munich. DE
  MUC 10:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 11:00
  Airbus A320 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 418
  Frankfurt. DE
  FRA 13:10
  8h 55m
  4092 Miles
  Washington. US
  IAD 16:05
  
  Operated by Lufthansa
Singapore SG
SIN00:30
31h 25m
2 Stops
Washington US
IAD19:55
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 328
  Singapore. SG
  SIN 00:30
  12h 30m
  6284 Miles
  Munich. DE
  MUC 07:00
  Airbus A350-900
  Operated by Singapore Airlines
2. Flight 2Turkish Airlines TK 1630
  Munich. DE
  MUC 10:25
  2h 55m
  967 Miles
  Istanbul. TR
  IST 14:20
  Airbus A330-200 Passenger
  Operated by Turkish Airlines
3. Flight 3Turkish Airlines TK 7
  Istanbul. TR
  IST 15:45
  11h 10m
  5241 Miles
  Washington. US
  IAD 19:55
  
  Operated by Turkish Airlines
Singapore SG
SIN23:55
32h 0m
2 Stops
Washington US
IAD19:55
+1 day/s
Singapore - Washington
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Singapore Airlines SQ 26
  Singapore. SG
  SIN 23:55
  12h 50m
  6422 Miles
  Frankfurt. DE
  FRA 06:45
  Boeing 777-300ER Passenger
  Operated by Singapore Airlines
2. Flight 2Turkish Airlines TK 1598
  Frankfurt. DE
  FRA 07:55
  3h 10m
  1148 Miles
  Istanbul. TR
  IST 12:05
  Airbus A321 Passenger (sharklets)
  Operated by Turkish Airlines
3. Flight 3Turkish Airlines TK 7
  Istanbul. TR
  IST 15:45
  11h 10m
  5241 Miles
  Washington. US
  IAD 19:55
  
  Operated by Turkish Airlines

Flights from Singapore (SIN) to Washington, D.C. (DCA) with Star Alliance

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Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

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Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington

Singapore - Washington