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

One way Round trip

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On Cheapflightsplus.com you will find 16 direct and 264 connecting flights from Chicago to Seattle. You can compare airfare deals from 10 airlines and multiple travel sites from $67, book and save on cheap plane tickets and last minute offers. Also check out CHI-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to Seattle 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 Chicago to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Chicago to Seattle with the lowest price of $67. The fastest direct flight takes 4h 37m and the fastest connecting – 6h 15m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $150 Find flight	17:54 Chicago O'Hare International	20:35 Seattle Seattle-Tacoma Intl	4h 41m	Alaska Airlines	AS353
from $167 Find flight	19:59 Chicago O'Hare International	22:42 Seattle Seattle-Tacoma Intl	4h 43m	United Airlines	UA2211
from $176 Find flight	10:00 Chicago O'Hare International	12:43 Seattle Seattle-Tacoma Intl	4h 43m	Alaska Airlines	AS462
from $190 Find flight	19:55 Chicago O'Hare International	22:46 Seattle Seattle-Tacoma Intl	4h 51m	United Airlines	UA2850
from $253 Find flight	16:05 Chicago O'Hare International	18:45 Seattle Seattle-Tacoma Intl	4h 40m	United Airlines	UA2278
from $306 Find flight	09:20 Chicago O'Hare International	12:08 Seattle Seattle-Tacoma Intl	4h 48m	United Airlines	UA1605
from $312 Find flight	08:00 Chicago O'Hare International	10:37 Seattle Seattle-Tacoma Intl	4h 37m	Alaska Airlines	AS329
from $1249 Find flight	23:59 Chicago O'Hare International	02:45+1 день Seattle Seattle-Tacoma Intl	4h 46m	United Airlines	UA1381
from $67 Find flight	07:25 Chicago O'Hare International	13:34 Seattle Seattle-Tacoma Intl	8h 9m layover 1h 58m - Denver	Frontier Airlines	F93173 F91175
from $67 Find flight	07:15 Chicago Midway	13:34 Seattle Seattle-Tacoma Intl	8h 19m layover 2h 19m - Denver	Frontier Airlines	F92209 F91175
from $67 Find flight	18:13 Chicago Midway	08:15+1 день Seattle Seattle-Tacoma Intl	16h 2m layover 10h 0m - Denver	Frontier Airlines	F91227 F91175
from $71 Find flight	12:44 Chicago Midway	18:32 Seattle Seattle-Tacoma Intl	7h 48m layover 0h 44m - Las Vegas	Frontier Airlines	F92329 F92407
from $71 Find flight	18:36 Chicago O'Hare International	08:50+1 день Seattle Seattle-Tacoma Intl	16h 14m layover 9h 0m - Las Vegas	Frontier Airlines	F92145 F92407
from $89 Find flight	14:01 Chicago Midway	20:52 Seattle Seattle-Tacoma Intl	8h 51m layover 1h 26m - Phoenix	Frontier Airlines	F91735 F93973
from $91 Find flight	18:48 Chicago O'Hare International	08:37+1 день Seattle Seattle-Tacoma Intl	15h 49m layover 10h 3m - Denver	Frontier Airlines	F91483 F91175
from $147 Find flight	21:53 Chicago O'Hare International	11:55+1 день Seattle Seattle-Tacoma Intl	16h 2m layover 9h 5m - Las Vegas	Spirit Airlines	NK330 NK413

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 24, 2025

Flight Schedule Chicago (Illinois) to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from Chicago to Seattle. 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 — 09:38	07:00 — 09:38 AS333 Alaska Airlines Chicago — Seattle	4h 38m	Find flight from$162
08:00 — 10:37	08:00 — 10:37 AS329 Alaska Airlines Chicago — Seattle	4h 37m	Find flight from$312
09:00 — 11:44	09:00 — 11:44 UA1705 United Airlines Chicago — Seattle	4h 44m	Find flight from$312
09:20 — 12:08	09:20 — 12:08 UA1605 United Airlines Chicago — Seattle	4h 48m	Find flight from$306
09:20 — 12:08	09:20 — 12:08 UA2005 United Airlines Chicago — Seattle	4h 48m	Find flight from$323
10:00 — 12:43	10:00 — 12:43 AS462 Alaska Airlines Chicago — Seattle	4h 43m	Find flight from$176
10:35 — 13:22	10:35 — 13:22 UA2849 United Airlines Chicago — Seattle	4h 47m	Find flight from$167
13:05 — 15:45	13:05 — 15:45 AS335 Alaska Airlines Chicago — Seattle	4h 40m	Find flight from$312
13:30 — 16:16	13:30 — 16:16 UA1485 United Airlines Chicago — Seattle	4h 46m	Find flight from$168
14:00 — 16:48	14:00 — 16:48 UA337 United Airlines Chicago — Seattle	4h 48m	Find flight from$272
16:05 — 18:45	16:05 — 18:45 UA2278 United Airlines Chicago — Seattle	4h 40m	Find flight from$253
17:54 — 20:35	17:54 — 20:35 AS353 Alaska Airlines Chicago — Seattle	4h 41m	Find flight from$150
19:19 — 22:00	19:19 — 22:00 AS421 Alaska Airlines Chicago — Seattle	4h 41m	Find flight from$312
19:55 — 22:46	19:55 — 22:46 UA2850 United Airlines Chicago — Seattle	4h 51m	Find flight from$190
19:59 — 22:42	19:59 — 22:42 UA2211 United Airlines Chicago — Seattle	4h 43m	Find flight from$167
23:59 — 02:45 +1 day	23:59 — 02:45 UA1381 United Airlines Chicago — Seattle	4h 46m	Find flight from$1249
06:00 — 21:05	18:00 — 20:02 F91483 Frontier Airlines Chicago — Denver 11h 2m stop 17:17 — 19:27 F93405 Frontier Airlines Denver — Seattle	17h 5m including layover	Find flight from$163
06:05 — 16:31	06:05 — 08:33 F91887 Frontier Airlines Chicago — Dallas 5h 53m stop 14:26 — 16:31 F94065 Frontier Airlines Dallas — Seattle	12h 26m including layover	Find flight from$92
07:15 — 13:34	06:05 — 07:51 F92209 Frontier Airlines Chicago — Denver 2h 19m stop 06:00 — 08:15 F91175 Frontier Airlines Denver — Seattle	8h 19m including layover	Find flight from$67
07:25 — 13:34	10:57 — 12:46 F93173 Frontier Airlines Chicago — Denver 1h 58m stop 06:00 — 08:15 F91175 Frontier Airlines Denver — Seattle	8h 9m including layover	Find flight from$67
08:45 — 16:00	08:45 — 11:19 UA1584 United Airlines Chicago — Los Angeles 1h 46m stop 13:05 — 16:00 UA2390 United Airlines Los Angeles — Seattle	9h 15m including layover	Find flight from$202
08:45 — 15:45	08:45 — 11:33 UA1387 United Airlines Chicago — San Francisco 1h 52m stop 13:25 — 15:45 UA593 United Airlines San Francisco — Seattle	9h including layover	Find flight from$204
09:45 — 19:27	06:05 — 07:51 F92209 Frontier Airlines Chicago — Denver 5h 44m stop 17:56 — 20:06 F93405 Frontier Airlines Denver — Seattle	11h 42m including layover	Find flight from$163
10:55 — 17:37	10:55 — 12:51 NK183 Spirit Airlines Chicago — Las Vegas 2h 6m stop 14:57 — 17:37 NK781 Spirit Airlines Las Vegas — Seattle	8h 42m including layover	Find flight from$174
11:32 — 18:37	11:32 — 14:19 F91735 Frontier Airlines Chicago — Phoenix 2h 11m stop 16:30 — 18:37 F91723 Frontier Airlines Phoenix — Seattle	9h 5m including layover	Find flight from$110
12:21 — 19:28	10:57 — 12:46 F93173 Frontier Airlines Chicago — Denver 3h 7m stop 17:56 — 20:06 F93405 Frontier Airlines Denver — Seattle	9h 7m including layover	Find flight from$85
12:44 — 18:32	12:43 — 15:07 F92329 Frontier Airlines Chicago — Las Vegas 44m stop 06:00 — 08:57 F92407 Frontier Airlines Las Vegas — Seattle	7h 48m including layover	Find flight from$71
13:39 — 00:15 +1 day	13:39 — 15:45 NK150 Spirit Airlines Chicago — Las Vegas 5h 43m stop 21:28 — 00:15 NK181 Spirit Airlines Las Vegas — Seattle	12h 36m including layover	Find flight from$174
14:00 — 22:30	14:00 — 16:38 UA2661 United Airlines Chicago — Los Angeles 2h 52m stop 19:30 — 22:30 UA1657 United Airlines Los Angeles — Seattle	10h 30m including layover	Find flight from$202
14:01 — 20:52	14:01 — 17:10 F91735 Frontier Airlines Chicago — Phoenix 1h 26m stop 18:36 — 20:52 F93973 Frontier Airlines Phoenix — Seattle	8h 51m including layover	Find flight from$89
15:35 — 22:30	15:35 — 18:13 UA2669 United Airlines Chicago — Los Angeles 1h 17m stop 19:30 — 22:30 UA1657 United Airlines Los Angeles — Seattle	8h 55m including layover	Find flight from$202
15:35 — 22:30	15:35 — 18:14 UA1732 United Airlines Chicago — Los Angeles 1h 11m stop 19:30 — 22:30 UA1875 United Airlines Los Angeles — Seattle	8h 55m including layover	Find flight from$204
16:44 — 07:15 +1 day	16:44 — 18:35 F92003 Frontier Airlines Chicago — Denver 10h 29m stop 05:04 — 07:15 F91175 Frontier Airlines Denver — Seattle	16h 31m including layover	Find flight from$91
16:44 — 19:28 +1 day	16:44 — 18:35 F92003 Frontier Airlines Chicago — Denver 22h 43m stop 17:18 — 19:28 F93405 Frontier Airlines Denver — Seattle	28h 44m including layover	Find flight from$91
17:50 — 23:09	17:50 — 19:40 UA2370 United Airlines Chicago — Denver 1h 24m stop 21:04 — 23:09 UA2651 United Airlines Denver — Seattle	7h 19m including layover	Find flight from$204
18:13 — 08:15 +1 day	18:13 — 20:00 F91227 Frontier Airlines Chicago — Denver 10h stop 06:00 — 08:15 F91175 Frontier Airlines Denver — Seattle	16h 2m including layover	Find flight from$67
18:36 — 08:50 +1 day	18:36 — 21:00 F92145 Frontier Airlines Chicago — Las Vegas 9h stop 06:00 — 08:57 F92407 Frontier Airlines Las Vegas — Seattle	16h 14m including layover	Find flight from$71
21:53 — 11:55 +1 day	21:10 — 23:20 NK330 Spirit Airlines Chicago — Las Vegas 9h 5m stop 09:04 — 11:55 NK413 Spirit Airlines Las Vegas — Seattle	16h 2m including layover	Find flight from$147

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

*Departure and arrival times - local. Updated on April 24, 2025

Flight Information

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

Distance between Chicago and Seattle is 2786 miles. Time difference between the cities is 2h. Airplanes depart 00:48 to 23:59 from 7 Chicago airports and arrive 00:48 to 23:59 to 3 Seattle airports. Average flight time is 4h 44m.

The fastest flight 4h 37m
Average flight time 4h 44m
The earliest flight 00:48
The latest flight 23:59
Distance 1732 ml

The cheapest months to travel to Seattle are november (from 67 $), december (from 71 $), january (from 89 $).

The most expensive months are february (from 92 $), january (from 89 $), december (from 71 $).

What is the lowest airfare Chicago to Seattle?

The cheapest plane ticket found by our users is $67. This airfare is for economy class on one-way F93173 flight by Frontier Airlines for December 13, 2024 which leaves O'Hare International in Chicago at 07:25 am and arrives at Seattle Seattle-Tacoma Intl at 13:34.

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 Chicago — Seattle is served by 10 regular airlines and 7 low-cost airlines. Most of the flights on this route are operated by United Airlines - 150 departures per week at the price of from $ 167 . And the most expensive tickets are offered by United Airlines airline - from $ 1249.

Direct flights

There are 16 nonstop flights on the route. The fastest direct flight is AS329 by Alaska Airlines takes 4h 37m and the cheapest is F93173 by Frontier Airlines for $150.

UA - United Airlines

from $167

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AS - Alaska Airlines

from $150

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Connecting Flights

There are 264 flights with layovers on the route. The fastest connecting flight is AS325 by Alaska Airlines takes 6h 15m and the cheapest is F93173 by Frontier Airlines for $67.

UA - United Airlines

from $202

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AS - Alaska Airlines

from $183

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F9 - Frontier Airlines

from $67

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PD - Porter Airlines

from $550

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SY - Sun Country Airlines

from $188

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Y4 - Volaris

from $479

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VB - VivaAerobus

from $447

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AM - Aeromexico

from $512

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NK - Spirit Airlines

from $147

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TS - Air Transat

from $603

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Airports

You can fly from Chicago to Seattle from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

O'Hare International-ORD

from $67
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Midway-MDW

from $67
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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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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from Chicago by 10 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Chicago

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

Chicago — Las Vegas

from $508

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Chicago — New York

from $74

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Chicago — Atlanta

from $76

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Chicago — Orlando

from $62

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Chicago — Miami

from $66

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Chicago — Dallas

from $70

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Chicago — Houston

from $66

Find
Chicago — Boston

from $61

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Chicago — Phoenix

from $65

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Chicago — Denver

from $61

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Top International Destinations from Chicago

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.

Chicago — London

from $60

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Chicago — Cancun

from $72

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Chicago — Toronto

from $73

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Chicago — Paris

from $61

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Chicago — Rome

from $79

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Chicago — Hyderabad

from $73

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Chicago — Mexico City

from $76

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Chicago — Tokyo

from $60

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Chicago — Dublin

from $59

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Chicago — Mumbai

from $74

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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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