Cheap Flights from Seattle, WA to Chicago, IL from $73

Return flight: Chicago – Seattle

On Cheapflightsplus.com you will find 17 direct and 201 connecting flights from Seattle to Chicago. You can compare airfare deals from 8 airlines and multiple travel sites from $54, book and save on cheap plane tickets and last minute offers. Also check out SEA-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Chicago Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $73 (one-way), $125 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
00:45 — 06:52
00:45 — 06:52 AS1010 Alaska Airlines
Seattle — Chicago
4h 7m
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from$78
06:22 — 12:26
06:22 — 12:26 AA1540 American Airlines
Seattle — Chicago
4h 4m
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from$130
07:40 — 13:57
07:40 — 13:57 AS1014 Alaska Airlines
Seattle — Chicago
4h 17m
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from$78
08:05 — 14:09
08:05 — 14:09 AA1049 American Airlines
Seattle — Chicago
4h 4m
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from$97
09:30 — 15:22
09:30 — 15:22 DL1557 Delta Air Lines Inc.
Seattle — Chicago
3h 52m
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from$108
10:00 — 16:15
10:00 — 16:15 AS34 Alaska Airlines
Seattle — Chicago
4h 15m
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from$78
11:40 — 17:30
11:40 — 17:30 AS420 Alaska Airlines
Seattle — Chicago
3h 50m
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from$84
13:25 — 19:29
13:25 — 19:29 AA1045 American Airlines
Seattle — Chicago
4h 4m
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from$97
15:19 — 21:27
15:19 — 21:27 AA1213 American Airlines
Seattle — Chicago
4h 8m
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from$130
17:50 — 23:45
17:50 — 23:45 AS26 Alaska Airlines
Seattle — Chicago
3h 55m
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from$58
23:15 — 05:05
+1 day
23:15 — 05:05 AS22 Alaska Airlines
Seattle — Chicago
3h 50m
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from$78
00:45 — 09:50
00:45 — 05:48 DL1263 Delta Air Lines Inc.
Seattle — Minneapolis
2h 30m stop
08:18 — 09:50 DL3672 Delta Air Lines Inc.
Minneapolis — Chicago
7h 5m
including layover
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from$113
05:20 — 13:10
05:20 — 08:59 UA318 United Airlines
Seattle — Denver
46m stop
09:45 — 13:10 UA500 United Airlines
Denver — Chicago
5h 50m
including layover
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from$82
07:00 — 00:40
+1 day
07:00 — 10:39 F9144 Frontier Airlines
Seattle — Denver
10h 35m stop
21:14 — 00:40 F9410 Frontier Airlines
Denver — Chicago
15h 40m
including layover
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from$62
08:40 — 16:45
08:40 — 13:52 DL1253 Delta Air Lines Inc.
Seattle — Minneapolis
1h 24m stop
15:16 — 16:45 DL357 Delta Air Lines Inc.
Minneapolis — Chicago
6h 5m
including layover
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from$107
09:15 — 17:05
09:15 — 12:52 UA2488 United Airlines
Seattle — Denver
58m stop
13:50 — 17:05 UA1259 United Airlines
Denver — Chicago
5h 50m
including layover
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from$82
10:37 — 19:24
10:37 — 17:49 DL943 Delta Air Lines Inc.
Seattle — Detroit
1h 21m stop
19:10 — 19:24 DL3741 Delta Air Lines Inc.
Detroit — Chicago
6h 47m
including layover
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from$113
11:35 — 22:52
11:35 — 13:59 UA5270 United Airlines
Seattle — San Francisco
2h 31m stop
16:30 — 22:52 UA391 United Airlines
San Francisco — Chicago
9h 17m
including layover
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from$82
12:12 — 21:32
12:12 — 18:10 AA2923 American Airlines
Seattle — Dallas
50m stop
19:00 — 21:32 AA2585 American Airlines
Dallas — Chicago
7h 20m
including layover
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from$120
13:15 — 23:04
13:15 — 16:54 UA2493 United Airlines
Seattle — Denver
2h 46m stop
19:40 — 23:04 UA306 United Airlines
Denver — Chicago
7h 49m
including layover
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from$82
14:00 — 00:52
+1 day
14:00 — 17:41 F9142 Frontier Airlines
Seattle — Denver
3h 45m stop
21:26 — 00:52 F9410 Frontier Airlines
Denver — Chicago
8h 52m
including layover
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from$54
18:00 — 05:58
+1 day
18:00 — 20:23 UA5292 United Airlines
Seattle — San Francisco
3h 22m stop
23:45 — 05:58 UA1682 United Airlines
San Francisco — Chicago
9h 58m
including layover
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from$82
19:49 — 05:20
+1 day
19:49 — 22:22 NK496 Spirit Airlines
Seattle — Las Vegas
1h 23m stop
23:45 — 05:20 NK456 Spirit Airlines
Las Vegas — Chicago
7h 31m
including layover
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from$61
06:20 — 19:24
06:20 — 13:57 DL802 Delta Air Lines Inc.
Seattle — Atlanta
2h 28m stop
16:25 — 18:19 DL2709 Delta Air Lines Inc.
Atlanta — Detroit
51m stop
19:10 — 19:24 DL3741 Delta Air Lines Inc.
Detroit — Chicago
11h 4m
including layover
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from$100
17:04 — 09:24
+1 day
17:04 — 19:55 DL1380 Delta Air Lines Inc.
Seattle — Salt Lake City
3h 40m stop
23:35 — 05:10 DL1176 Delta Air Lines Inc.
Salt Lake City — Atlanta
3h 20m stop
08:30 — 09:24 DL701 Delta Air Lines Inc.
Atlanta — Chicago
14h 20m
including layover
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from$100
*Departure and arrival times - local. Updated on February 3, 2023

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Chicago is 2786 miles. Time difference between the cities is 2h. Airplanes depart 00:45 to 23:59 from 3 Seattle airports and arrive 00:45 to 23:59 to 7 Chicago airports. Average flight time is 4h 4m.

  • The fastest flight 3h 42m
  • Average flight time 4h 4m
  • The earliest flight 00:45
  • The latest flight 23:59
  • Distance 1732 ml

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $54. This airfare is for economy class on one-way F9142 flight by Frontier Airlines for August 26, 2020 which leaves Seattle-Tacoma Intl in Seattle at 14:00 am and arrives at Chicago O'Hare International at 00:52.

Economy class
$54
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Business class
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First class
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Popular Airlines on the Route

The flight Seattle — Chicago is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 27 departures per week at the price of from $ 97 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1576.

Direct flights

There are 17 nonstop flights on the route. The fastest direct flight is DL1243 by Delta Air Lines Inc. takes 3h 42m and the cheapest is F9142 by Frontier Airlines for $58.

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Connecting Flights

There are 201 flights with layovers on the route. The fastest connecting flight is AS3447 by Alaska Airlines takes 5h 28m and the cheapest is F9142 by Frontier Airlines for $54.

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Airports

You can fly from Seattle to Chicago from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $54
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  • Kenmore Air Harbor SPB-LKE
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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