Cheap Flights from Seattle, WA to Chicago, IL from $67

One way Round trip

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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 $67, 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: $67 (one-way), $115 (round-trip).

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Best Flights from Seattle to Chicago Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Chicago with the lowest price of $67. The fastest direct flight takes 3h 53m and the fastest connecting – 5h 29m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $132 Find flight	06:00 Seattle Seattle-Tacoma Intl	12:07 Chicago O'Hare International	4h 7m	Alaska Airlines	AS408
from $167 Find flight	07:00 Seattle Seattle-Tacoma Intl	13:06 Chicago O'Hare International	4h 6m	United Airlines	UA1373
from $172 Find flight	10:47 Seattle Seattle-Tacoma Intl	16:54 Chicago O'Hare International	4h 7m	Alaska Airlines	AS352
from $203 Find flight	23:55 Seattle Seattle-Tacoma Intl	05:52+1 день Chicago O'Hare International	3h 57m	United Airlines	UA684
from $213 Find flight	23:06 Seattle Seattle-Tacoma Intl	05:00+1 день Chicago O'Hare International	3h 54m	Alaska Airlines	AS328
from $267 Find flight	18:06 Seattle Seattle-Tacoma Intl	23:59 Chicago O'Hare International	3h 53m	Alaska Airlines	AS538
from $306 Find flight	07:00 Seattle Seattle-Tacoma Intl	13:01 Chicago O'Hare International	4h 1m	United Airlines	UA576
from $310 Find flight	07:00 Seattle Seattle-Tacoma Intl	13:04 Chicago O'Hare International	4h 4m	United Airlines	UA1448
from $362 Find flight	10:55 Seattle Seattle-Tacoma Intl	16:59 Chicago O'Hare International	4h 4m	United Airlines	UA2296
from $67 Find flight	09:15 Seattle Seattle-Tacoma Intl	17:17 Chicago Midway	6h 2m layover 0h 54m - Denver	Frontier Airlines	F93406 F91228
from $67 Find flight	20:56 Seattle Seattle-Tacoma Intl	15:50+1 день Chicago Midway	16h 54m layover 11h 46m - Denver	Frontier Airlines	F91176 F91228
from $70 Find flight	22:08 Seattle Seattle-Tacoma Intl	00:11+2 дня Chicago O'Hare International	24h 3m layover 18h 49m - Denver	Frontier Airlines	F91176 F93172
from $71 Find flight	19:51 Seattle Seattle-Tacoma Intl	06:33+1 день Chicago Midway	8h 42m layover 2h 25m - Las Vegas	Frontier Airlines	F94830 F92330
from $71 Find flight	20:28 Seattle Seattle-Tacoma Intl	09:47+1 день Chicago O'Hare International	11h 19m layover 5h 56m - Denver	Frontier Airlines	F91176 F91484
from $85 Find flight	10:25 Seattle Seattle-Tacoma Intl	22:14 Chicago Midway	9h 49m layover 3h 31m - Dallas	Frontier Airlines	F91968 F92998
from $90 Find flight	21:35 Seattle Seattle-Tacoma Intl	11:52+1 день Chicago O'Hare International	12h 17m layover 6h 16m - Las Vegas	Spirit Airlines	NK414 NK187

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 14, 2025

Flight Schedule Seattle (Washington) to Chicago (Illinois)

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	Flight Details	Flight Duration	Price
06:00 — 12:07	06:00 — 12:07 AS408 Alaska Airlines Seattle — Chicago	4h 7m	Find flight from$132
07:00 — 13:06	07:00 — 13:06 UA1373 United Airlines Seattle — Chicago	4h 6m	Find flight from$167
07:00 — 13:01	07:00 — 13:01 UA576 United Airlines Seattle — Chicago	4h 1m	Find flight from$306
07:00 — 13:04	07:00 — 13:04 UA1448 United Airlines Seattle — Chicago	4h 4m	Find flight from$310
07:10 — 13:10	07:10 — 13:10 UA2494 United Airlines Seattle — Chicago	4h	Find flight from$203
10:47 — 16:54	10:47 — 16:54 AS352 Alaska Airlines Seattle — Chicago	4h 7m	Find flight from$172
10:55 — 16:59	10:55 — 16:59 UA2296 United Airlines Seattle — Chicago	4h 4m	Find flight from$362
12:11 — 18:18	12:11 — 18:18 AS410 Alaska Airlines Seattle — Chicago	4h 7m	Find flight from$133
14:06 — 20:09	14:06 — 20:09 UA2013 United Airlines Seattle — Chicago	4h 3m	Find flight from$203
18:06 — 23:59	18:06 — 23:59 AS538 Alaska Airlines Seattle — Chicago	3h 53m	Find flight from$267
23:06 — 05:00 +1 day	23:06 — 05:00 AS328 Alaska Airlines Seattle — Chicago	3h 54m	Find flight from$213
23:55 — 05:52 +1 day	23:55 — 05:52 UA684 United Airlines Seattle — Chicago	3h 57m	Find flight from$203
23:59 — 05:53 +1 day	23:59 — 05:53 AS461 Alaska Airlines Seattle — Chicago	3h 54m	Find flight from$150
23:59 — 06:00 +1 day	23:59 — 06:00 UA2019 United Airlines Seattle — Chicago	4h 1m	Find flight from$168
23:59 — 05:53 +1 day	23:59 — 05:53 UA747 United Airlines Seattle — Chicago	3h 54m	Find flight from$178
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$146
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$202
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	Find flight from$71
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$87
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	Find flight from$67
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$203
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$85
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$91
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$163
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$203
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$204
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$203
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$157
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$70
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$91
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$160
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$110
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$145
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$145
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$152
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$71
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$71
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$67
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$90
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$91
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$70
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$71
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$167

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on May 14, 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 67 $), december (from 71 $), february (from 85 $).

The most expensive months are january (from 89 $), february (from 85 $), december (from 71 $).

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $67. 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

$67

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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 $ 167 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 1419.

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 $132.

UA - United Airlines

from $167

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AS - Alaska Airlines

from $132

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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 $67.

UA - United Airlines

from $202

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AS - Alaska Airlines

from $235

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F9 - Frontier Airlines

from $67

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SY - Sun Country Airlines

from $145

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TK - Turkish Airlines

from $1355

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NK - Spirit Airlines

from $90

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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 $67
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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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Airplanes

There are flights to Chicago from Seattle by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — Las Vegas

from $62

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Seattle — New York

from $180

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Seattle — Chicago

from $73

Find
Seattle — Phoenix

from $67

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Seattle — San Diego

from $74

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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How to book a plane 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.