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Seattle-Tacoma International Airport to Chicago flight
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Cheap Flights from Seattle-Tacoma International Airport to Chicago

Search for flights from Seattle-Tacoma International Airport to Chicago and check out affordable one-way and round-trip options.

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SEA21:35
        12h 3m
        1 stop
        MDW11:38
        Seattle - Chicago|Tue, May 7|Frontier Airlines
        CNY 44CNY 107
        59% OFF
        59% OFF
        CNY 107CNY 44
      • SEA20:14
        12h 55m
        1 stop
        MDW11:09
        Seattle - Chicago|Tue, May 28|Frontier Airlines
        CNY 63CNY 107
        41% OFF
        41% OFF
        CNY 107CNY 63
      • SEA23:46
        3h 59m
        Direct
        ORD05:45
        Seattle - Chicago|Mon, May 6|Alaska Airlines
        CNY 69CNY 107
        35% OFF
        35% OFF
        CNY 107CNY 69
      • SEA23:59
        4h 12m
        Direct
        ORD06:11
        Seattle - Chicago|Tue, May 7|American Airlines
        CNY 73
        CNY 73
      • SEA23:34
        4h 6m
        Direct
        ORD05:40
        Seattle - Chicago|Tue, May 28|Alaska Airlines
        CNY 80
        CNY 80
      • SEA10:36
        4h 11m
        Direct
        ORD16:47
        Seattle - Chicago|Fri, Apr 26|Alaska Airlines
        CNY 81
        CNY 81
      • SEA10:36
        4h 11m
        Direct
        ORD16:47
        Seattle - Chicago|Sun, Apr 28|Alaska Airlines
        CNY 82
        CNY 82
      • SEA17:58
        4h
        Direct
        ORD23:58
        Seattle - Chicago|Mon, May 13|Alaska Airlines
        CNY 82
        CNY 82
      • SEA06:00
        4h 10m
        Direct
        ORD12:10
        Seattle - Chicago|Sun, May 5|Alaska Airlines
        CNY 83
        CNY 83
      • SEA23:46
        3h 59m
        Direct
        ORD05:45
        Seattle - Chicago|Thu, Apr 25|Alaska Airlines
        CNY 84
        CNY 84
      • SEA13:00
        3h 5m
        Direct
        CHI14:00
        Seattle - Chicago|Sat, Apr 27|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to Chicago

See which airlines fly from Seattle-Tacoma International Airport to Chicago. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From AU$ 44
Alaska Airlines
From AU$ 69
American Airlines
From AU$ 73
Spirit Airlines
From AU$ 113
United Airlines
From AU$ 141
Sun Country Airlines
From AU$ 163
Southwest Airlines
From AU$ 231
Delta Air Lines
From AU$ 244
Air Canada
From AU$ 1,082
ANA airlines
Find more flights and airlines

Airports in Chicago

Learn about different airports in Chicago, find the best flight and transfer options, and plan your journey.

  • 24.74 km from central Chicago
    O'Hare International Airport
    Tickets From
    AU$ 64
  • 12.76 km from central ChicagoCheapestClosest
    Midway International Airport
    Tickets From
    AU$ 44
Flight Schedule from Seattle-Tacoma International Airport to Chicago

Check the schedule for flights from Seattle-Tacoma International Airport to Chicago and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS408

    Alaska Airlines

    06:07

    SEA

    4.1h

    Direct

    12:13

    ORD

    SMTWTFS
    Search

  2. F91312

    Frontier Airlines

    10:44

    SEA

    2.9h

    13:40

    PHX

    SMTWTFS
    Search

  3. F93912

    Frontier Airlines

    15:29

    PHX

    3.5h

    21:02

    MDW

    SM-WTFS

  4. AS352

    Alaska Airlines

    10:50

    SEA

    4.1h

    Direct

    16:54

    ORD

    SMTWTFS
    Search

  5. AS410

    Alaska Airlines

    12:20

    SEA

    4.1h

    Direct

    18:26

    ORD

    SMTWT-S
    Search

  6. F91132

    Frontier Airlines

    14:55

    SEA

    2.8h

    18:42

    DEN

    S----F-
    Search

  7. F93172

    Frontier Airlines

    22:35

    DEN

    2.1h

    01:44

    ORD

    SMTWTFS

  8. AS538

    Alaska Airlines

    17:40

    SEA

    4.0h

    Direct

    23:39

    ORD

    SMTWTFS
    Search

  9. DL1663

    Delta Air Lines

    18:00

    SEA

    4.0h

    Direct

    23:58

    ORD

    SMTWTFS
    Search

  10. F92146

    Frontier Airlines

    21:50

    SEA

    2.8h

    01:40

    DEN

    --TWTFS
    Search

  11. F92210

    Frontier Airlines

    07:58

    DEN

    2.4h

    11:20

    MDW

    SMTWTFS

  12. AS328

    Alaska Airlines

    22:45

    SEA

    3.9h

    Direct

    04:40

    ORD

    SMTWTFS
    Search

  13. AA2368

    American Airlines

    22:52

    SEA

    4.1h

    Direct

    05:00

    ORD

    S-TWTFS
    Search
Find more flights and airlines

Flight Info of Flights from Seattle-Tacoma International Airport to Chicago

Cheapest return ticket price

AU$ 137

Cheapest direct flight price

AU$ 43

Off-season for travel

April

Peak season for travel

July

FAQs for Seattle-Tacoma International Airport to Chicago Flights

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