Flights from Chicago (CHI) to Seattle (SEA) with Star Alliance

Start your journey with just one click

Airline

1/27

Chicago

toSeattle

ORD-SEA

February 10, 2025

February 12, 2025

Sold byUnited Airlines

From

178USD Price subject to changes

Viewed:18 minutes ago

Roundtrip

Economy

2/27

Chicago

toSeattle

ORD-SEA

February 7, 2025

February 9, 2025

Sold byUnited Airlines

From

187USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

3/27

Chicago

toSeattle

ORD-SEA

March 6, 2025

March 10, 2025

Sold byUnited Airlines

From

187USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

4/27

Chicago

toSeattle

ORD-SEA

May 10, 2025

May 21, 2025

Sold byUnited Airlines

From

217USD Price subject to changes

Viewed:42 minutes 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 Seattle

Friday

overcast clouds

17/01/2025

5°C

17/01/2025

overcast clouds

Saturday

overcast clouds

18/01/2025

5°C

18/01/2025

overcast clouds

Sunday

sky is clear

19/01/2025

5°C

19/01/2025

sky is clear

Monday

broken clouds

20/01/2025

5°C

20/01/2025

broken clouds

Tuesday

broken clouds

21/01/2025

6°C

21/01/2025

broken clouds

Wednesday

overcast clouds

22/01/2025

7°C

22/01/2025

overcast clouds

Thursday

overcast clouds

23/01/2025

6°C

23/01/2025

overcast clouds

Flight schedules from Chicago to Seattle 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 (11)

Sort by

Chicago US
ORD10:35
4h 47m
No stops
Seattle US
SEA13:22
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2849
  Chicago. US
  ORD 10:35
  4h 47m
  1725 Miles
  Seattle. US
  SEA 13:22
  Boeing 737-800 Passenger
  Operated by United Airlines
Chicago US
ORD20:21
4h 49m
No stops
Seattle US
SEA23:10
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2211
  Chicago. US
  ORD 20:21
  4h 49m
  1725 Miles
  Seattle. US
  SEA 23:10
  Airbus A320 Passenger
  Operated by United Airlines
Chicago US
ORD16:08
7h 3m
1 Stop
Seattle US
SEA21:11
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2436
  Chicago. US
  ORD 16:08
  2h 51m
  891 Miles
  Denver. US
  DEN 17:59
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  Airbus A321neo
  Operated by United Airlines
Chicago US
ORD08:45
7h 10m
1 Stop
Seattle US
SEA13:55
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1733
  Chicago. US
  ORD 08:45
  2h 50m
  891 Miles
  Denver. US
  DEN 10:35
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 690
  Denver. US
  DEN 11:50
  3h 5m
  1028 Miles
  Seattle. US
  SEA 13:55
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Chicago US
ORD12:45
7h 30m
1 Stop
Seattle US
SEA18:15
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1491
  Chicago. US
  ORD 12:45
  2h 51m
  891 Miles
  Denver. US
  DEN 14:36
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 745
  Denver. US
  DEN 16:10
  3h 5m
  1028 Miles
  Seattle. US
  SEA 18:15
  Boeing 737-900 Passenger
  Operated by United Airlines
Chicago US
ORD12:45
8h 23m
1 Stop
Seattle US
SEA19:08
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United 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
2. Flight 2United Airlines UA 2603
  San Francisco. US
  SFO 16:48
  2h 20m
  683 Miles
  Seattle. US
  SEA 19:08
  Airbus A320 Passenger
  Operated by United Airlines
Chicago US
ORD14:39
8h 32m
1 Stop
Seattle US
SEA21:11
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 310
  Chicago. US
  ORD 14:39
  2h 51m
  891 Miles
  Denver. US
  DEN 16:30
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 299
  Denver. US
  DEN 19:05
  3h 6m
  1028 Miles
  Seattle. US
  SEA 21:11
  Airbus A321neo
  Operated by United Airlines
Chicago US
ORD07:10
8h 45m
1 Stop
Seattle US
SEA13:55
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 711
  Chicago. US
  ORD 07:10
  2h 50m
  891 Miles
  Denver. US
  DEN 09:00
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 690
  Denver. US
  DEN 11:50
  3h 5m
  1028 Miles
  Seattle. US
  SEA 13:55
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
Chicago US
ORD14:35
8h 45m
1 Stop
Seattle US
SEA21:20
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1577
  Chicago. US
  ORD 14:35
  4h 55m
  1851 Miles
  San Francisco. US
  SFO 17:30
  Airbus A321neo
  Operated by United Airlines
2. Flight 2United Airlines UA 2019
  San Francisco. US
  SFO 19:00
  2h 20m
  683 Miles
  Seattle. US
  SEA 21:20
  Boeing 737-800 Passenger
  Operated by United Airlines
Chicago US
ORD08:55
8h 50m
1 Stop
Seattle US
SEA15:45
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United 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
2. Flight 2United Airlines UA 593
  San Francisco. US
  SFO 13:25
  2h 20m
  683 Miles
  Seattle. US
  SEA 15:45
  Boeing 737-800 Passenger
  Operated by United Airlines
Chicago US
ORD06:30
9h 2m
1 Stop
Seattle US
SEA13:32
Chicago - Seattle
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1962
  Chicago. US
  ORD 06:30
  4h 54m
  1851 Miles
  San Francisco. US
  SFO 09:24
  Airbus A321neo
  Operated by United Airlines
2. Flight 2United Airlines UA 2315
  San Francisco. US
  SFO 11:12
  2h 20m
  683 Miles
  Seattle. US
  SEA 13:32
  Airbus A320 Passenger
  Operated by United Airlines

Start your journey with just one click

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle

Chicago - Seattle