Flights from Boston (BOS) to San Francisco (SFO) with Star Alliance

Start your journey with just one click

Airline

1/27

Boston

toSan Francisco

BOS-SFO

March 20, 2025

March 24, 2025

Sold byUnited Airlines

From

227USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

2/27

Boston

toSan Francisco

BOS-SFO

April 3, 2025

April 7, 2025

Sold byUnited Airlines

From

227USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

3/27

Boston

toSan Francisco

BOS-SFO

February 22, 2025

March 4, 2025

Sold byUnited Airlines

From

227USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

4/27

Boston

toSan Francisco

BOS-SFO

February 26, 2025

March 4, 2025

Sold byUnited Airlines

From

237USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in San Francisco

Friday

scattered clouds

17/01/2025

12°C

17/01/2025

scattered clouds

Saturday

sky is clear

18/01/2025

12°C

18/01/2025

sky is clear

Sunday

sky is clear

19/01/2025

12°C

19/01/2025

sky is clear

Monday

sky is clear

20/01/2025

13°C

20/01/2025

sky is clear

Tuesday

scattered clouds

21/01/2025

13°C

21/01/2025

scattered clouds

Wednesday

overcast clouds

22/01/2025

13°C

22/01/2025

overcast clouds

Thursday

sky is clear

23/01/2025

14°C

23/01/2025

sky is clear

Flight schedules from Boston to San Francisco 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 (25)

Sort by

Boston US
BOS08:00
6h 53m
No stops
San Francisco US
SFO11:53
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1008
  Boston. US
  BOS 08:00
  6h 53m
  2712 Miles
  San Francisco. US
  SFO 11:53
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS11:00
6h 51m
No stops
San Francisco US
SFO14:51
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1413
  Boston. US
  BOS 11:00
  6h 51m
  2712 Miles
  San Francisco. US
  SFO 14:51
  Boeing 757-200 Passenger
  Operated by United Airlines
Boston US
BOS13:30
6h 51m
No stops
San Francisco US
SFO17:21
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1187
  Boston. US
  BOS 13:30
  6h 51m
  2712 Miles
  San Francisco. US
  SFO 17:21
  Boeing 757-200 Passenger
  Operated by United Airlines
Boston US
BOS18:00
6h 50m
No stops
San Francisco US
SFO21:50
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2400
  Boston. US
  BOS 18:00
  6h 50m
  2712 Miles
  San Francisco. US
  SFO 21:50
  Boeing 757-200 Passenger
  Operated by United Airlines
Boston US
BOS06:00
8h 43m
1 Stop
San Francisco US
SFO11:43
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1414
  Boston. US
  BOS 06:00
  3h 3m
  869 Miles
  Chicago. US
  ORD 08:03
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1387
  Chicago. US
  ORD 08:55
  4h 48m
  1851 Miles
  San Francisco. US
  SFO 11:43
  Boeing 777 Passenger
  Operated by United Airlines
Boston US
BOS15:25
8h 44m
1 Stop
San Francisco US
SFO21:09
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 778
  Boston. US
  BOS 15:25
  4h 50m
  1759 Miles
  Denver. US
  DEN 18:15
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 281
  Denver. US
  DEN 19:20
  2h 49m
  970 Miles
  San Francisco. US
  SFO 21:09
  Boeing 757-300 Passenger
  Operated by United Airlines
Boston US
BOS14:00
8h 49m
1 Stop
San Francisco US
SFO19:49
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2454
  Boston. US
  BOS 14:00
  1h 25m
  201 Miles
  New York. US
  EWR 15:25
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 648
  New York. US
  EWR 16:30
  6h 19m
  2573 Miles
  San Francisco. US
  SFO 19:49
  Boeing 777 Passenger
  Operated by United Airlines
Boston US
BOS05:45
9h 2m
1 Stop
San Francisco US
SFO11:47
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1734
  Boston. US
  BOS 05:45
  1h 46m
  414 Miles
  Washington. US
  IAD 07:31
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1116
  Washington. US
  IAD 08:35
  6h 12m
  2426 Miles
  San Francisco. US
  SFO 11:47
  Boeing 737-900 Passenger
  Operated by United Airlines
Boston US
BOS07:10
9h 5m
1 Stop
San Francisco US
SFO13:15
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 570
  Boston. US
  BOS 07:10
  1h 28m
  201 Miles
  New York. US
  EWR 08:38
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 598
  New York. US
  EWR 10:00
  6h 15m
  2573 Miles
  San Francisco. US
  SFO 13:15
  Boeing 787-9
  Operated by United Airlines
Boston US
BOS09:35
9h 7m
1 Stop
San Francisco US
SFO15:42
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2098
  Boston. US
  BOS 09:35
  1h 46m
  414 Miles
  Washington. US
  IAD 11:21
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1126
  Washington. US
  IAD 12:35
  6h 7m
  2426 Miles
  San Francisco. US
  SFO 15:42
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS09:30
9h 8m
1 Stop
San Francisco US
SFO15:38
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 216
  Boston. US
  BOS 09:30
  2h 58m
  869 Miles
  Chicago. US
  ORD 11:28
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1878
  Chicago. US
  ORD 12:45
  4h 53m
  1851 Miles
  San Francisco. US
  SFO 15:38
  Boeing 757-300 Passenger
  Operated by United Airlines
Boston US
BOS09:15
9h 10m
1 Stop
San Francisco US
SFO15:25
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 662
  Boston. US
  BOS 09:15
  4h 50m
  1759 Miles
  Denver. US
  DEN 12:05
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 304
  Denver. US
  DEN 13:34
  2h 51m
  970 Miles
  San Francisco. US
  SFO 15:25
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS06:00
9h 10m
1 Stop
San Francisco US
SFO12:10
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1833
  Boston. US
  BOS 06:00
  1h 29m
  201 Miles
  New York. US
  EWR 07:29
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2855
  New York. US
  EWR 08:45
  6h 25m
  2573 Miles
  San Francisco. US
  SFO 12:10
  Boeing 777 Passenger
  Operated by United Airlines
Boston US
BOS14:45
9h 13m
1 Stop
San Francisco US
SFO20:58
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 214
  Boston. US
  BOS 14:45
  1h 43m
  414 Miles
  Washington. US
  IAD 16:28
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1757
  Washington. US
  IAD 18:00
  5h 58m
  2426 Miles
  San Francisco. US
  SFO 20:58
  Boeing 777 Passenger
  Operated by United Airlines
Boston US
BOS11:35
9h 15m
1 Stop
San Francisco US
SFO17:50
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 414
  Boston. US
  BOS 11:35
  4h 50m
  1759 Miles
  Denver. US
  DEN 14:25
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1300
  Denver. US
  DEN 15:59
  2h 51m
  970 Miles
  San Francisco. US
  SFO 17:50
  Boeing 737-800 Passenger
  Operated by United Airlines
Boston US
BOS07:00
9h 23m
1 Stop
San Francisco US
SFO13:23
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 647
  Boston. US
  BOS 07:00
  4h 55m
  1759 Miles
  Denver. US
  DEN 09:55
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1561
  Denver. US
  DEN 11:33
  2h 50m
  970 Miles
  San Francisco. US
  SFO 13:23
  Boeing 757-200 Passenger
  Operated by United Airlines
Boston US
BOS17:01
9h 26m
1 Stop
San Francisco US
SFO23:27
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2040
  Boston. US
  BOS 17:01
  2h 54m
  869 Miles
  Chicago. US
  ORD 18:55
  Boeing 737-700 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2072
  Chicago. US
  ORD 20:25
  5h 2m
  1851 Miles
  San Francisco. US
  SFO 23:27
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Boston US
BOS12:12
9h 33m
1 Stop
San Francisco US
SFO18:45
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 222
  Boston. US
  BOS 12:12
  2h 58m
  869 Miles
  Chicago. US
  ORD 14:10
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2409
  Chicago. US
  ORD 15:50
  4h 55m
  1851 Miles
  San Francisco. US
  SFO 18:45
  Airbus A321neo
  Operated by United Airlines
Boston US
BOS10:35
9h 41m
1 Stop
San Francisco US
SFO17:16
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 592
  Boston. US
  BOS 10:35
  1h 25m
  201 Miles
  New York. US
  EWR 12:00
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 608
  New York. US
  EWR 14:00
  6h 16m
  2573 Miles
  San Francisco. US
  SFO 17:16
  Boeing 777 Passenger
  Operated by United Airlines
Boston US
BOS14:00
9h 45m
1 Stop
San Francisco US
SFO20:45
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2454
  Boston. US
  BOS 14:00
  1h 25m
  201 Miles
  New York. US
  EWR 15:25
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 548
  New York. US
  EWR 17:30
  6h 15m
  2573 Miles
  San Francisco. US
  SFO 20:45
  Boeing 787-9
  Operated by United Airlines
Boston US
BOS08:30
9h 52m
1 Stop
San Francisco US
SFO15:22
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 311
  Boston. US
  BOS 08:30
  6h 35m
  2619 Miles
  Los Angeles. US
  LAX 12:05
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2234
  Los Angeles. US
  LAX 13:48
  1h 34m
  339 Miles
  San Francisco. US
  SFO 15:22
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
Boston US
BOS06:00
10h 15m
1 Stop
San Francisco US
SFO13:15
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1833
  Boston. US
  BOS 06:00
  1h 29m
  201 Miles
  New York. US
  EWR 07:29
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 598
  New York. US
  EWR 10:00
  6h 15m
  2573 Miles
  San Francisco. US
  SFO 13:15
  Boeing 787-9
  Operated by United Airlines
Boston US
BOS13:30
10h 35m
1 Stop
San Francisco US
SFO21:05
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1976
  Boston. US
  BOS 13:30
  4h 40m
  1603 Miles
  Houston. US
  IAH 17:10
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2636
  Houston. US
  IAH 18:35
  4h 30m
  1641 Miles
  San Francisco. US
  SFO 21:05
  Boeing 757-300 Passenger
  Operated by United Airlines
Boston US
BOS11:35
10h 36m
1 Stop
San Francisco US
SFO19:11
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 414
  Boston. US
  BOS 11:35
  4h 50m
  1759 Miles
  Denver. US
  DEN 14:25
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1448
  Denver. US
  DEN 17:20
  2h 51m
  970 Miles
  San Francisco. US
  SFO 19:11
  Boeing 737-800 Passenger
  Operated by United Airlines
Boston US
BOS07:05
10h 45m
1 Stop
San Francisco US
SFO14:50
Boston - San Francisco
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 226
  Boston. US
  BOS 07:05
  4h 40m
  1603 Miles
  Houston. US
  IAH 10:45
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1057
  Houston. US
  IAH 12:17
  4h 33m
  1641 Miles
  San Francisco. US
  SFO 14:50
  Boeing 737-900 Passenger
  Operated by United Airlines

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Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco

Boston - San Francisco