Cheap Flights from Seattle, WA to Chicago, IL from $63

One way Round trip

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On Cheapflightsplus.com you will find 35 direct and 286 connecting flights from Seattle to Chicago. You can compare airfare deals from 7 airlines and multiple travel sites from $63, 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: $63 (one-way), $108 (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 $63. The fastest direct flight takes 3h 57m and the fastest connecting – 5h 42m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $63 Find flight	00:17 Seattle Seattle-Tacoma Intl	06:21 Chicago O'Hare International	4h 4m	Hawaiian Airlines	HA6538
from $64 Find flight	17:55 Seattle Seattle-Tacoma Intl	23:59 Chicago O'Hare International	4h 4m	Hawaiian Airlines	HA6819
from $65 Find flight	23:40 Seattle Seattle-Tacoma Intl	05:40+1 день Chicago O'Hare International	4h 0m	Hawaiian Airlines	HA6815
from $67 Find flight	00:17 Seattle Seattle-Tacoma Intl	06:21 Chicago O'Hare International	4h 4m	Alaska Airlines	AS384
from $88 Find flight	23:40 Seattle Seattle-Tacoma Intl	05:40+1 день Chicago O'Hare International	4h 0m	Hawaiian Airlines	HA6669
from $92 Find flight	16:19 Seattle Seattle-Tacoma Intl	22:23 Chicago O'Hare International	4h 4m	Alaska Airlines	AS330
from $99 Find flight	16:55 Seattle Seattle-Tacoma Intl	22:55 Chicago O'Hare International	4h 0m	United Airlines	UA1951
from $104 Find flight	10:56 Seattle Seattle-Tacoma Intl	17:05 Chicago O'Hare International	4h 9m	United Airlines	UA265
from $123 Find flight	23:45 Seattle Seattle-Tacoma Intl	05:48+1 день Chicago O'Hare International	4h 3m	United Airlines	UA299
from $133 Find flight	08:04 Seattle Seattle-Tacoma Intl	14:18 Chicago O'Hare International	4h 14m	Alaska Airlines	AS331
from $156 Find flight	13:55 Seattle Seattle-Tacoma Intl	20:11 Chicago O'Hare International	4h 16m	United Airlines	UA2627
from $67 Find flight	15:20 Seattle Seattle-Tacoma Intl	05:25+1 день Chicago O'Hare International	12h 5m layover 5h 55m - Las Vegas	Spirit Airlines	NK2328 NK2186
from $78 Find flight	12:13 Seattle Seattle-Tacoma Intl	22:42 Chicago O'Hare International	8h 29m layover 1h 55m - Phoenix	Frontier Airlines	F93974 F91828
from $92 Find flight	07:55 Seattle Seattle-Tacoma Intl	18:59 Chicago O'Hare International	9h 4m layover 1h 28m - San Diego	Hawaiian Airlines	HA6888 HA6419
from $96 Find flight	15:20 Seattle Seattle-Tacoma Intl	08:50+1 день Chicago O'Hare International	15h 30m layover 3h 33m - Las Vegas 1h 16m - Miami	Spirit Airlines	NK2328 NK954 NK2188
from $111 Find flight	06:00 Seattle Seattle-Tacoma Intl	08:55+1 день Chicago O'Hare International	24h 55m layover 14h 31m - Las Vegas 1h 48m - Atlanta	Spirit Airlines	NK2626 NK2573 NK2707

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 04, 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
00:17 — 06:21	00:17 — 06:21 HA6538 Hawaiian Airlines Seattle — Chicago	4h 4m	Find flight from$63
00:17 — 06:21	00:17 — 06:21 AS384 Alaska Airlines Seattle — Chicago	4h 4m	Find flight from$67
00:20 — 06:28	00:20 — 06:28 UA1832 United Airlines Seattle — Chicago	4h 8m	Find flight from$99
06:00 — 12:07	06:00 — 12:07 HA6816 Hawaiian Airlines Seattle — Chicago	4h 7m	Find flight from$65
06:00 — 12:07	06:00 — 12:07 AS408 Alaska Airlines Seattle — Chicago	4h 7m	Find flight from$68
07:00 — 13:15	07:00 — 13:15 UA2618 United Airlines Seattle — Chicago	4h 15m	Find flight from$99
07:00 — 13:14	07:00 — 13:14 UA1617 United Airlines Seattle — Chicago	4h 14m	Find flight from$104
08:03 — 14:13	08:03 — 14:13 AS890 Alaska Airlines Seattle — Chicago	4h 10m	Find flight from$72
08:03 — 14:13	08:03 — 14:13 HA6820 Hawaiian Airlines Seattle — Chicago	4h 10m	Find flight from$89
08:04 — 14:18	08:04 — 14:18 AS331 Alaska Airlines Seattle — Chicago	4h 14m	Find flight from$133
10:50 — 16:57	10:50 — 16:57 AS429 Alaska Airlines Seattle — Chicago	4h 7m	Find flight from$72
10:50 — 16:57	10:50 — 16:57 HA6818 Hawaiian Airlines Seattle — Chicago	4h 7m	Find flight from$96
10:55 — 17:10	10:55 — 17:10 UA2671 United Airlines Seattle — Chicago	4h 15m	Find flight from$99
10:55 — 17:10	10:55 — 17:10 UA2652 United Airlines Seattle — Chicago	4h 15m	Find flight from$105
10:56 — 17:05	10:56 — 17:05 UA265 United Airlines Seattle — Chicago	4h 9m	Find flight from$104
13:45 — 19:42	13:45 — 19:42 HA6817 Hawaiian Airlines Seattle — Chicago	3h 57m	Find flight from$69
13:45 — 19:42	13:45 — 19:42 AS410 Alaska Airlines Seattle — Chicago	3h 57m	Find flight from$72
13:55 — 20:10	13:55 — 20:10 UA1298 United Airlines Seattle — Chicago	4h 15m	Find flight from$99
15:59 — 22:04	15:59 — 22:04 HA6821 Hawaiian Airlines Seattle — Chicago	4h 5m	Find flight from$65
15:59 — 22:04	15:59 — 22:04 AS941 Alaska Airlines Seattle — Chicago	4h 5m	Find flight from$67
16:19 — 22:23	16:19 — 22:23 HA6569 Hawaiian Airlines Seattle — Chicago	4h 4m	Find flight from$88
16:19 — 22:23	16:19 — 22:23 AS330 Alaska Airlines Seattle — Chicago	4h 4m	Find flight from$92
16:55 — 22:55	16:55 — 22:55 UA1951 United Airlines Seattle — Chicago	4h	Find flight from$99
17:26 — 23:33	17:26 — 23:33 UA1340 United Airlines Seattle — Chicago	4h 7m	Find flight from$124
17:55 — 23:59	17:55 — 23:59 HA6819 Hawaiian Airlines Seattle — Chicago	4h 4m	Find flight from$64
17:55 — 23:59	17:55 — 23:59 AS538 Alaska Airlines Seattle — Chicago	4h 4m	Find flight from$67
23:25 — 05:25 +1 day	23:25 — 05:25 UA747 United Airlines Seattle — Chicago	4h	Find flight from$99
23:40 — 05:40 +1 day	23:40 — 05:40 HA6815 Hawaiian Airlines Seattle — Chicago	4h	Find flight from$65
23:40 — 05:40 +1 day	23:40 — 05:40 AS328 Alaska Airlines Seattle — Chicago	4h	Find flight from$68
23:40 — 05:40 +1 day	23:40 — 05:40 HA6669 Hawaiian Airlines Seattle — Chicago	4h	Find flight from$88
23:45 — 05:48 +1 day	23:45 — 05:48 UA299 United Airlines Seattle — Chicago	4h 3m	Find flight from$123
23:48 — 05:51 +1 day	23:48 — 05:51 UA1180 United Airlines Seattle — Chicago	4h 3m	Find flight from$99
07:55 — 18:59	07:55 — 10:52 HA6888 Hawaiian Airlines Seattle — San Diego 1h 28m stop 12:20 — 18:59 HA6419 Hawaiian Airlines San Diego — Chicago	9h 4m including layover	Find flight from$92
09:44 — 23:49	09:44 — 15:34 F94066 Frontier Airlines Seattle — Dallas 5h 31m stop 21:05 — 23:49 F93242 Frontier Airlines Dallas — Chicago	12h 5m including layover	Find flight from$105
12:13 — 22:42	12:13 — 15:17 F93974 Frontier Airlines Seattle — Phoenix 1h 55m stop 17:11 — 22:55 F91828 Frontier Airlines Phoenix — Chicago	8h 29m including layover	Find flight from$78
12:52 — 23:12	12:52 — 15:07 UA1482 United Airlines Seattle — San Francisco 1h 48m stop 16:55 — 23:12 UA1482 United Airlines San Francisco — Chicago	8h 20m including layover	Find flight from$108
15:20 — 05:25 +1 day	15:20 — 17:51 NK2328 Spirit Airlines Seattle — Las Vegas 5h 55m stop 23:46 — 05:25 NK2186 Spirit Airlines Las Vegas — Chicago	12h 5m including layover	Find flight from$67
19:48 — 00:10 +2 days	19:48 — 23:40 F91176 Frontier Airlines Seattle — Denver 20h 51m stop 20:31 — 00:10 F93172 Frontier Airlines Denver — Chicago	26h 22m including layover	Find flight from$83
19:48 — 11:40 +1 day	19:10 — 23:12 F91176 Frontier Airlines Seattle — Denver 8h 34m stop 17:26 — 20:53 F92210 Frontier Airlines Denver — Chicago	13h 52m including layover	Find flight from$87
20:01 — 00:10 +2 days	19:10 — 23:12 F91176 Frontier Airlines Seattle — Denver 20h 39m stop 20:22 — 23:52 F93174 Frontier Airlines Denver — Chicago	26h 9m including layover	Find flight from$105

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

*Departure and arrival times - local. Updated on June 4, 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 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 7 Chicago airports. Average flight time is 4h 7m.

The fastest flight 3h 57m
Average flight time 4h 7m
The earliest flight 00:17
The latest flight 23:59
Distance 1732 ml

The cheapest months to travel to Chicago are october (from 85 $), september (from 86 $), august (from 87 $).

The most expensive months are february (from 1 372 $), july (from 92 $), may (from 91 $).

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $63. This airfare is for economy class on one-way HA6538 flight by Hawaiian Airlines for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 00:17 am and arrives at Chicago O'Hare International at 06:21.

Economy class

$63

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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 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 110 departures per week at the price of from $ 99 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 5441.

Direct flights

There are 35 nonstop flights on the route. The fastest direct flight is HA6817 by Hawaiian Airlines takes 3h 57m and the cheapest is HA6538 by Hawaiian Airlines for $63.

UA - United Airlines

from $99

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AS - Alaska Airlines

from $67

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HA - Hawaiian Airlines

from $63

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Connecting Flights

There are 286 flights with layovers on the route. The fastest connecting flight is HA6833 by Hawaiian Airlines takes 5h 42m and the cheapest is HA6538 by Hawaiian Airlines for $67.

UA - United Airlines

from $108

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AS - Alaska Airlines

from $99

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F9 - Frontier Airlines

from $78

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SY - Sun Country Airlines

from $104

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TK - Turkish Airlines

from $1282

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HA - Hawaiian Airlines

from $92

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NK - Spirit Airlines

from $67

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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 $63
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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 7 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.
To find a plane ticket, please select dates.