Cheap Flights from Seattle, WA to Chicago, IL from $62

Return flight: Chicago – Seattle

On Cheapflightsplus.com you will find 15 direct and 238 connecting flights from Seattle to Chicago. You can compare airfare deals from 6 airlines and multiple travel sites from $62, 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: $62 (one-way), $106 (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
06:00 — 12:07
06:00 — 12:07 AS408 Alaska Airlines
Seattle — Chicago
4h 7m
Find flight
from$122
07:00 — 13:06
07:00 — 13:06 UA1373 United Airlines
Seattle — Chicago
4h 6m
Find flight
from$154
07:00 — 13:01
07:00 — 13:01 UA576 United Airlines
Seattle — Chicago
4h 1m
Find flight
from$282
07:00 — 13:04
07:00 — 13:04 UA1448 United Airlines
Seattle — Chicago
4h 4m
Find flight
from$286
07:10 — 13:10
07:10 — 13:10 UA2494 United Airlines
Seattle — Chicago
4h
Find flight
from$187
10:47 — 16:54
10:47 — 16:54 AS352 Alaska Airlines
Seattle — Chicago
4h 7m
Find flight
from$158
10:55 — 16:59
10:55 — 16:59 UA2296 United Airlines
Seattle — Chicago
4h 4m
Find flight
from$333
12:11 — 18:18
12:11 — 18:18 AS410 Alaska Airlines
Seattle — Chicago
4h 7m
Find flight
from$123
14:06 — 20:09
14:06 — 20:09 UA2013 United Airlines
Seattle — Chicago
4h 3m
Find flight
from$187
18:06 — 23:59
18:06 — 23:59 AS538 Alaska Airlines
Seattle — Chicago
3h 53m
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from$245
23:06 — 05:00
+1 day
23:06 — 05:00 AS328 Alaska Airlines
Seattle — Chicago
3h 54m
Find flight
from$197
23:55 — 05:52
+1 day
23:55 — 05:52 UA684 United Airlines
Seattle — Chicago
3h 57m
Find flight
from$187
23:59 — 05:53
+1 day
23:59 — 05:53 AS461 Alaska Airlines
Seattle — Chicago
3h 54m
Find flight
from$138
23:59 — 06:00
+1 day
23:59 — 06:00 UA2019 United Airlines
Seattle — Chicago
4h 1m
Find flight
from$154
23:59 — 05:53
+1 day
23:59 — 05:53 UA747 United Airlines
Seattle — Chicago
3h 54m
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from$164
05:15 — 17:28
05:45 — 08:36 NK1491 Spirit Airlines
Seattle — Los Angeles
3h 20m stop
12:53 — 18:59 NK1068 Spirit Airlines
Los Angeles — Chicago
10h 13m
including layover
Find flight
from$135
06:25 — 18:19
06:25 — 09:14 UA1400 United Airlines
Seattle — Los Angeles
2h 51m stop
12:05 — 18:19 UA1232 United Airlines
Los Angeles — Chicago
9h 54m
including layover
Find flight
from$186
08:18 — 09:47
+1 day
08:18 — 12:01 F93406 Frontier Airlines
Seattle — Denver
18h 9m stop
06:10 — 09:47 F91484 Frontier Airlines
Denver — Chicago
23h 29m
including layover
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from$65
08:18 — 17:30
08:18 — 12:01 F93406 Frontier Airlines
Seattle — Denver
1h 53m stop
13:54 — 17:30 F92048 Frontier Airlines
Denver — Chicago
7h 12m
including layover
Find flight
from$81
09:15 — 17:17
09:19 — 13:04 F93406 Frontier Airlines
Seattle — Denver
54m stop
12:28 — 15:50 F91228 Frontier Airlines
Denver — Chicago
6h 2m
including layover
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from$62
09:25 — 21:05
09:25 — 11:39 UA342 United Airlines
Seattle — San Francisco
3h 6m stop
14:45 — 21:05 UA2386 United Airlines
San Francisco — Chicago
9h 40m
including layover
Find flight
from$187
10:25 — 22:14
10:25 — 16:19 F91968 Frontier Airlines
Seattle — Dallas
3h 31m stop
19:50 — 22:14 F92998 Frontier Airlines
Dallas — Chicago
9h 49m
including layover
Find flight
from$78
10:25 — 00:38
+1 day
10:25 — 16:19 F91968 Frontier Airlines
Seattle — Dallas
5h 58m stop
22:17 — 00:38 F93244 Frontier Airlines
Dallas — Chicago
12h 13m
including layover
Find flight
from$84
11:36 — 23:59
11:36 — 14:11 F94204 Frontier Airlines
Seattle — Las Vegas
4h 7m stop
18:18 — 23:59 F92146 Frontier Airlines
Las Vegas — Chicago
10h 23m
including layover
Find flight
from$150
11:56 — 23:12
11:56 — 14:13 UA2848 United Airlines
Seattle — San Francisco
2h 42m stop
16:55 — 23:12 UA373 United Airlines
San Francisco — Chicago
9h 16m
including layover
Find flight
from$187
12:35 — 21:25
12:35 — 16:17 UA1483 United Airlines
Seattle — Denver
1h 38m stop
17:55 — 21:25 UA1898 United Airlines
Denver — Chicago
6h 50m
including layover
Find flight
from$188
14:00 — 23:12
14:00 — 16:17 UA375 United Airlines
Seattle — San Francisco
38m stop
16:55 — 23:12 UA373 United Airlines
San Francisco — Chicago
7h 12m
including layover
Find flight
from$187
14:55 — 23:59
14:55 — 17:32 F94830 Frontier Airlines
Seattle — Las Vegas
46m stop
18:18 — 23:59 F92146 Frontier Airlines
Las Vegas — Chicago
7h 4m
including layover
Find flight
from$144
15:15 — 00:17
+1 day
08:18 — 12:01 F93406 Frontier Airlines
Seattle — Denver
1h 53m stop
08:50 — 12:13 F92210 Frontier Airlines
Denver — Chicago
7h 2m
including layover
Find flight
from$65
15:15 — 00:48
+1 day
09:19 — 13:04 F93406 Frontier Airlines
Seattle — Denver
2h 10m stop
19:42 — 23:16 F93174 Frontier Airlines
Denver — Chicago
7h 33m
including layover
Find flight
from$84
17:26 — 05:18
+1 day
17:26 — 20:14 NK261 Spirit Airlines
Seattle — Los Angeles
3h 1m stop
23:15 — 05:18 NK1679 Spirit Airlines
Los Angeles — Chicago
9h 52m
including layover
Find flight
from$148
17:28 — 04:35
+1 day
17:28 — 19:55 NK204 Spirit Airlines
Seattle — Las Vegas
3h 5m stop
23:17 — 04:45 NK182 Spirit Airlines
Las Vegas — Chicago
9h 7m
including layover
Find flight
from$101
18:26 — 10:38
+1 day
18:26 — 23:46 SY286 Sun Country Airlines
Seattle — Minneapolis
9h 1m stop
08:47 — 10:38 SY261 Sun Country Airlines
Minneapolis — Chicago
14h 12m
including layover
Find flight
from$134
18:34 — 08:21
+1 day
18:39 — 23:59 SY286 Sun Country Airlines
Seattle — Minneapolis
6h 40m stop
09:07 — 10:55 SY259 Sun Country Airlines
Minneapolis — Chicago
11h 47m
including layover
Find flight
from$134
19:45 — 04:45
+1 day
19:45 — 22:13 NK414 Spirit Airlines
Seattle — Las Vegas
1h 4m stop
23:17 — 04:45 NK182 Spirit Airlines
Las Vegas — Chicago
7h
including layover
Find flight
from$140
19:51 — 06:33
+1 day
13:40 — 16:20 F94830 Frontier Airlines
Seattle — Las Vegas
2h 25m stop
06:11 — 11:48 F92330 Frontier Airlines
Las Vegas — Chicago
8h 42m
including layover
Find flight
from$65
20:28 — 09:47
+1 day
20:28 — 00:14 F91176 Frontier Airlines
Seattle — Denver
5h 56m stop
06:10 — 09:47 F91484 Frontier Airlines
Denver — Chicago
11h 19m
including layover
Find flight
from$65
20:56 — 15:50
+1 day
20:19 — 00:05 F91176 Frontier Airlines
Seattle — Denver
11h 46m stop
12:28 — 15:50 F91228 Frontier Airlines
Denver — Chicago
16h 54m
including layover
Find flight
from$62
21:35 — 11:52
+1 day
19:45 — 22:13 NK414 Spirit Airlines
Seattle — Las Vegas
6h 16m stop
06:27 — 12:04 NK187 Spirit Airlines
Las Vegas — Chicago
12h 17m
including layover
Find flight
from$83
21:40 — 12:15
+1 day
20:56 — 00:42 F91176 Frontier Airlines
Seattle — Denver
7h 16m stop
19:42 — 23:16 F93174 Frontier Airlines
Denver — Chicago
12h 35m
including layover
Find flight
from$84
22:08 — 11:52
+1 day
20:28 — 00:14 F91176 Frontier Airlines
Seattle — Denver
6h 39m stop
08:50 — 12:13 F92210 Frontier Airlines
Denver — Chicago
11h 44m
including layover
Find flight
from$65
22:08 — 00:11
+2 days
20:28 — 00:14 F91176 Frontier Airlines
Seattle — Denver
18h 49m stop
20:59 — 00:28 F93172 Frontier Airlines
Denver — Chicago
24h 3m
including layover
Find flight
from$65
05:45 — 04:35
+1 day
05:45 — 08:36 NK1491 Spirit Airlines
Seattle — Los Angeles
9h 36m stop
15:43 — 16:58 NK1494 Spirit Airlines
Los Angeles — Las Vegas
3h 34m stop
23:17 — 04:45 NK182 Spirit Airlines
Las Vegas — Chicago
20h 50m
including layover
Find flight
from$154
*Departure and arrival times - local. Updated on April 3, 2025

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 05:00 to 23:59 from 3 Seattle airports and arrive 05:00 to 23:59 to 7 Chicago airports. Average flight time is 4h 1m.

  • The fastest flight 3h 53m
  • Average flight time 4h 1m
  • The earliest flight 05:00
  • The latest flight 23:59
  • Distance 1732 ml

The cheapest months to travel to Chicago are november (from 62 $), december (from 65 $), february (from 79 $).

The most expensive months are january (from 82 $), february (from 79 $), december (from 65 $).

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $62. This airfare is for economy class on one-way F91176 flight by Frontier Airlines for November 11, 2024 which leaves Seattle-Tacoma Intl in Seattle at 20:56 am and arrives at Chicago Midway at 15:50.

Economy class
$62
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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 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 121 departures per week at the price of from $ 154 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 1307.

Direct flights

There are 15 nonstop flights on the route. The fastest direct flight is AS538 by Alaska Airlines takes 3h 53m and the cheapest is F91176 by Frontier Airlines for $122.

See more direct flights

Connecting Flights

There are 238 flights with layovers on the route. The fastest connecting flight is AS955 by Alaska Airlines takes 5h 29m and the cheapest is F91176 by Frontier Airlines for $62.

  • from $186
    Find
  • AS - Alaska Airlines
    from $216
    Find
  • F9 - Frontier Airlines
    from $62
    Find
  • SY - Sun Country Airlines
    from $134
    Find
  • TK - Turkish Airlines
    from $1247
    Find
  • NK - Spirit Airlines
    from $83
    Find
See more connecting flights

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
    Find
  • Seattle-Tacoma Intl-SEA
    from $62
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

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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