Cheap Flights from Seattle, WA to Chicago, IL from $65

One way Round trip

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On Cheapflightsplus.com you will find 3 direct and 30 connecting flights from Seattle to Chicago. You can compare airfare deals from 4 airlines and multiple travel sites from $65, 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: $65 (one-way), $111 (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 $65. The fastest direct flight takes 3h 54m and the fastest connecting – 7h 21m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $138 Find flight	23:59 Seattle Seattle-Tacoma Intl	05:53+1 день Chicago O'Hare International	3h 54m	Alaska Airlines	AS461
from $164 Find flight	23:59 Seattle Seattle-Tacoma Intl	05:53+1 день Chicago O'Hare International	3h 54m	United Airlines	UA747
from $286 Find flight	07:00 Seattle Seattle-Tacoma Intl	13:04 Chicago O'Hare International	4h 4m	United Airlines	UA1448
from $65 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 $65 Find flight	22:08 Seattle Seattle-Tacoma Intl	11:52+1 день Chicago Midway	11h 44m layover 6h 39m - Denver	Frontier Airlines	F91176 F92210
from $65 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 $160 Find flight	18:37 Seattle Seattle-Tacoma Intl	12:14+1 день Chicago O'Hare International	15h 37m layover 9h 19m - Las Vegas	Spirit Airlines	NK782 NK187
from $203 Find flight	19:32 Seattle Seattle-Tacoma Intl	06:13+1 день Chicago O'Hare International	8h 41m layover 2h 5m - San Francisco	United Airlines	UA737 UA1112
from $203 Find flight	06:15 Seattle Seattle-Tacoma Intl	18:55 Chicago O'Hare International	10h 40m layover 3h 44m - Los Angeles	United Airlines	UA1571 UA1069
from $224 Find flight	22:59 Seattle Seattle-Tacoma Intl	13:04+1 день Chicago O'Hare International	12h 5m layover 7h 7m - Portland	Alaska Airlines	AS957 AS324
from $224 Find flight	20:59 Seattle Seattle-Tacoma Intl	13:04+1 день Chicago O'Hare International	14h 5m layover 9h 6m - Portland	Alaska Airlines	AS146 AS324
from $226 Find flight	07:00 Seattle Seattle-Tacoma Intl	16:58 Chicago O'Hare International	7h 58m layover 1h 32m - San Francisco	Alaska Airlines	AS3369 AS598
from $243 Find flight	15:24 Seattle Seattle-Tacoma Intl	00:59+1 день Chicago O'Hare International	7h 35m layover 0h 59m - San Francisco	United Airlines	UA589 UA2117
from $230 Find flight	22:59 Seattle Seattle-Tacoma Intl	17:00+1 день Chicago O'Hare International	16h 1m layover 7h 7m - Portland 1h 56m - San Francisco	Alaska Airlines	AS957 AS3440 AS598
from $230 Find flight	21:59 Seattle Seattle-Tacoma Intl	17:00+1 день Chicago O'Hare International	17h 1m layover 8h 4m - Portland 1h 56m - San Francisco	Alaska Airlines	AS955 AS3440 AS598
from $230 Find flight	20:59 Seattle Seattle-Tacoma Intl	17:00+1 день Chicago O'Hare International	18h 1m layover 9h 6m - Portland 1h 56m - San Francisco	Alaska Airlines	AS146 AS3440 AS598

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 01, 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
07:00 — 13:04	07:00 — 13:04 UA1448 United Airlines Seattle — Chicago	4h 4m	Find flight from$286
23:59 — 05:53 +1 day	23:59 — 05:53 AS461 Alaska Airlines Seattle — Chicago	3h 54m	Find flight from$138
23:59 — 05:53 +1 day	23:59 — 05:53 UA747 United Airlines Seattle — Chicago	3h 54m	Find flight from$164
06:15 — 18:55	06:15 — 09:01 UA1571 United Airlines Seattle — Los Angeles 3h 44m stop 12:45 — 18:55 UA1069 United Airlines Los Angeles — Chicago	10h 40m including layover	Find flight from$203
07:00 — 16:58	07:00 — 09:14 AS3369 Alaska Airlines Seattle — San Francisco 1h 32m stop 10:46 — 16:58 AS598 Alaska Airlines San Francisco — Chicago	7h 58m including layover	Find flight from$226
12:37 — 00:59 +1 day	12:37 — 14:55 UA1482 United Airlines Seattle — San Francisco 3h 46m stop 18:41 — 00:59 UA2117 United Airlines San Francisco — Chicago	10h 22m including layover	Find flight from$243
12:37 — 23:31	12:37 — 14:55 UA1482 United Airlines Seattle — San Francisco 2h 10m stop 17:05 — 23:31 UA1482 United Airlines San Francisco — Chicago	8h 54m including layover	Find flight from$292
15:04 — 04:52 +1 day	15:04 — 17:48 UA2610 United Airlines Seattle — Los Angeles 4h 57m stop 22:45 — 04:52 UA1843 United Airlines Los Angeles — Chicago	11h 48m including layover	Find flight from$334
15:24 — 00:59 +1 day	15:24 — 17:42 UA589 United Airlines Seattle — San Francisco 59m stop 18:41 — 00:59 UA2117 United Airlines San Francisco — Chicago	7h 35m including layover	Find flight from$243
16:58 — 04:53 +1 day	16:58 — 19:10 UA2482 United Airlines Seattle — San Francisco 3h 25m stop 22:35 — 04:53 UA2482 United Airlines San Francisco — Chicago	9h 55m including layover	Find flight from$292
18:37 — 12:14 +1 day	18:37 — 21:11 NK782 Spirit Airlines Seattle — Las Vegas 9h 19m stop 06:30 — 12:14 NK187 Spirit Airlines Las Vegas — Chicago	15h 37m including layover	Find flight from$160
19:32 — 06:13 +1 day	19:32 — 21:50 UA737 United Airlines Seattle — San Francisco 2h 5m stop 23:55 — 06:13 UA1112 United Airlines San Francisco — Chicago	8h 41m including layover	Find flight from$203
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
20:59 — 13:04 +1 day	20:59 — 21:54 AS146 Alaska Airlines Seattle — Portland 9h 6m stop 07:00 — 13:04 AS324 Alaska Airlines Portland — Chicago	14h 5m including layover	Find flight from$224
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
06:00 — 23:42	06:00 — 08:46 NK801 Spirit Airlines Seattle — Los Angeles 3h 17m stop 12:03 — 13:24 NK712 Spirit Airlines Los Angeles — Las Vegas 4h 31m stop 17:55 — 23:42 NK184 Spirit Airlines Las Vegas — Chicago	15h 42m including layover	Find flight from$281
16:58 — 09:34 +1 day	16:58 — 19:10 UA2482 United Airlines Seattle — San Francisco 55m stop 20:05 — 23:45 UA624 United Airlines San Francisco — Denver 6h 15m stop 06:00 — 09:34 UA532 United Airlines Denver — Chicago	14h 36m including layover	Find flight from$302
18:37 — 09:55 +1 day	18:37 — 21:11 NK782 Spirit Airlines Seattle — Las Vegas 1h stop 22:11 — 05:56 NK954 Spirit Airlines Las Vegas — Miami 1h 44m stop 07:40 — 09:55 NK2 Spirit Airlines Miami — Chicago	13h 18m including layover	Find flight from$268
20:59 — 17:00 +1 day	20:59 — 21:54 AS146 Alaska Airlines Seattle — Portland 9h 6m stop 07:00 — 08:52 AS3440 Alaska Airlines Portland — San Francisco 1h 56m stop 10:48 — 17:00 AS598 Alaska Airlines San Francisco — Chicago	18h 1m including layover	Find flight from$230
21:59 — 17:00 +1 day	21:59 — 22:56 AS955 Alaska Airlines Seattle — Portland 8h 4m stop 07:00 — 08:52 AS3440 Alaska Airlines Portland — San Francisco 1h 56m stop 10:48 — 17:00 AS598 Alaska Airlines San Francisco — Chicago	17h 1m including layover	Find flight from$230
21:59 — 17:00 +1 day	21:59 — 22:56 AS955 Alaska Airlines Seattle — Portland 9h 4m stop 08:00 — 09:50 AS1350 Alaska Airlines Portland — San Francisco 58m stop 10:48 — 17:00 AS598 Alaska Airlines San Francisco — Chicago	17h 1m including layover	Find flight from$250

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

*Departure and arrival times - local. Updated on March 1, 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 06:00 to 23:59 from 3 Seattle airports and arrive 06:00 to 23:59 to 7 Chicago airports. Average flight time is 3h 54m.

The fastest flight 3h 54m
Average flight time 3h 54m
The earliest flight 06:00
The latest flight 23:59
Distance 1732 ml

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

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $65. This airfare is for economy class on one-way F91176 flight by Frontier Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 22:08 am and arrives at Chicago O'Hare International at 00:11.

Economy class

$65

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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 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by United Airlines - 15 departures per week at the price of from $ 164 . And the most expensive tickets are offered by United Airlines airline - from $ 347.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is AS461 by Alaska Airlines takes 3h 54m and the cheapest is F91176 by Frontier Airlines for $138.

UA - United Airlines

from $164

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AS - Alaska Airlines

from $138

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Connecting Flights

There are 30 flights with layovers on the route. The fastest connecting flight is UA737 by United Airlines takes 7h 21m and the cheapest is F91176 by Frontier Airlines for $65.

UA - United Airlines

from $203

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AS - Alaska Airlines

from $224

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F9 - Frontier Airlines

from $65

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NK - Spirit Airlines

from $160

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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 $65
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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 4 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

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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.
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