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

One way Round trip

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On Cheapflightsplus.com you will find 16 direct and 225 connecting flights from Chicago to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $65, 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: $65 (one-way), $111 (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 $65. The fastest direct flight takes 4h 27m and the fastest connecting – 5h 52m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $65 Find flight	06:00 Chicago O'Hare International	08:27 Seattle Seattle-Tacoma Intl	4h 27m	Hawaiian Airlines	HA6300
from $65 Find flight	06:20 Chicago O'Hare International	08:50 Seattle Seattle-Tacoma Intl	4h 30m	Hawaiian Airlines	HA6301
from $65 Find flight	15:20 Chicago O'Hare International	17:52 Seattle Seattle-Tacoma Intl	4h 32m	Hawaiian Airlines	HA6297
from $68 Find flight	06:00 Chicago O'Hare International	08:27 Seattle Seattle-Tacoma Intl	4h 27m	Alaska Airlines	AS891
from $69 Find flight	06:20 Chicago O'Hare International	08:50 Seattle Seattle-Tacoma Intl	4h 30m	Alaska Airlines	AS942
from $69 Find flight	15:20 Chicago O'Hare International	17:52 Seattle Seattle-Tacoma Intl	4h 32m	Alaska Airlines	AS407
from $69 Find flight	17:45 Chicago O'Hare International	20:17 Seattle Seattle-Tacoma Intl	4h 32m	Alaska Airlines	AS337
from $98 Find flight	17:45 Chicago O'Hare International	20:17 Seattle Seattle-Tacoma Intl	4h 32m	Hawaiian Airlines	HA6296
from $100 Find flight	21:16 Chicago O'Hare International	23:59 Seattle Seattle-Tacoma Intl	4h 43m	United Airlines	UA1001
from $125 Find flight	12:55 Chicago O'Hare International	15:32 Seattle Seattle-Tacoma Intl	4h 37m	United Airlines	UA1485
from $70 Find flight	06:00 Chicago O'Hare International	14:10 Seattle Seattle-Tacoma Intl	10h 10m layover 4h 3m - Denver	Frontier Airlines	F91483 F91175
from $77 Find flight	07:00 Chicago O'Hare International	14:20 Seattle Seattle-Tacoma Intl	9h 20m layover 3h 55m - Portland	Alaska Airlines	AS413 AS1016
from $93 Find flight	08:20 Chicago O'Hare International	15:04 Seattle Seattle-Tacoma Intl	8h 44m layover 0h 40m - San Diego	Hawaiian Airlines	HA6158 HA4781
from $94 Find flight	14:07 Chicago O'Hare International	20:35 Seattle Seattle-Tacoma Intl	8h 28m layover 2h 58m - Portland	Hawaiian Airlines	HA6293 HA6395
from $96 Find flight	14:44 Chicago Midway	23:42 Seattle Seattle-Tacoma Intl	10h 58m layover 5h 3m - Denver	Frontier Airlines	F92209 F94545
from $99 Find flight	06:00 Chicago O'Hare International	15:53 Seattle Seattle-Tacoma Intl	11h 53m layover 5h 16m - Las Vegas	Spirit Airlines	NK183 NK781

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 03, 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
06:00 — 08:27	06:00 — 08:27 HA6300 Hawaiian Airlines Chicago — Seattle	4h 27m	Find flight from$65
06:00 — 08:27	06:00 — 08:27 AS891 Alaska Airlines Chicago — Seattle	4h 27m	Find flight from$68
06:20 — 08:50	06:20 — 08:50 HA6301 Hawaiian Airlines Chicago — Seattle	4h 30m	Find flight from$65
06:20 — 08:50	06:20 — 08:50 AS942 Alaska Airlines Chicago — Seattle	4h 30m	Find flight from$69
07:10 — 09:43	07:10 — 09:43 UA1005 United Airlines Chicago — Seattle	4h 33m	Find flight from$102
08:45 — 11:31	08:45 — 11:31 UA1620 United Airlines Chicago — Seattle	4h 46m	Find flight from$102
12:55 — 15:32	12:55 — 15:32 UA1485 United Airlines Chicago — Seattle	4h 37m	Find flight from$125
13:08 — 15:45	13:08 — 15:45 UA1160 United Airlines Chicago — Seattle	4h 37m	Find flight from$102
15:20 — 17:52	15:20 — 17:52 HA6297 Hawaiian Airlines Chicago — Seattle	4h 32m	Find flight from$65
15:20 — 17:52	15:20 — 17:52 AS407 Alaska Airlines Chicago — Seattle	4h 32m	Find flight from$69
16:10 — 18:49	16:10 — 18:49 UA2278 United Airlines Chicago — Seattle	4h 39m	Find flight from$102
17:45 — 20:17	17:45 — 20:17 AS337 Alaska Airlines Chicago — Seattle	4h 32m	Find flight from$69
17:45 — 20:17	17:45 — 20:17 HA6296 Hawaiian Airlines Chicago — Seattle	4h 32m	Find flight from$98
19:59 — 22:39	19:59 — 22:39 UA2211 United Airlines Chicago — Seattle	4h 40m	Find flight from$101
21:16 — 23:59	21:16 — 23:59 UA1001 United Airlines Chicago — Seattle	4h 43m	Find flight from$100
21:16 — 23:59	21:16 — 23:59 UA2200 United Airlines Chicago — Seattle	4h 43m	Find flight from$101
07:00 — 14:20	07:00 — 09:25 AS413 Alaska Airlines Chicago — Portland 3h 55m stop 13:20 — 14:20 AS1016 Alaska Airlines Portland — Seattle	9h 20m including layover	Find flight from$77
07:20 — 20:44	07:00 — 08:49 F91483 Frontier Airlines Chicago — Denver 9h 23m stop 21:36 — 23:44 F94545 Frontier Airlines Denver — Seattle	15h 24m including layover	Find flight from$96
08:20 — 15:04	08:20 — 11:20 HA6158 Hawaiian Airlines Chicago — San Diego 40m stop 12:00 — 15:04 HA4781 Hawaiian Airlines San Diego — Seattle	8h 44m including layover	Find flight from$93
08:20 — 17:34	08:20 — 11:20 HA6158 Hawaiian Airlines Chicago — San Diego 3h 10m stop 14:30 — 17:34 HA6536 Hawaiian Airlines San Diego — Seattle	11h 14m including layover	Find flight from$93
12:35 — 18:59	14:44 — 16:33 F92209 Frontier Airlines Chicago — Denver 2h 38m stop 16:08 — 18:15 F91175 Frontier Airlines Denver — Seattle	8h 24m including layover	Find flight from$102
13:04 — 17:49	13:04 — 14:46 UA622 United Airlines Chicago — Denver 1h 4m stop 15:50 — 17:49 UA1254 United Airlines Denver — Seattle	6h 45m including layover	Find flight from$128
14:07 — 20:35	14:09 — 16:35 HA6293 Hawaiian Airlines Chicago — Portland 2h 58m stop 19:45 — 20:41 HA6395 Hawaiian Airlines Portland — Seattle	8h 28m including layover	Find flight from$94
14:44 — 23:42	14:44 — 16:36 F92209 Frontier Airlines Chicago — Denver 5h 3m stop 21:36 — 23:44 F94545 Frontier Airlines Denver — Seattle	10h 58m including layover	Find flight from$96
16:10 — 22:15	16:10 — 18:33 UA2331 United Airlines Chicago — Los Angeles 49m stop 19:22 — 22:15 UA684 United Airlines Los Angeles — Seattle	8h 5m including layover	Find flight from$129
18:20 — 00:59 +1 day	18:20 — 21:09 UA2179 United Airlines Chicago — San Francisco 1h 46m stop 22:55 — 00:59 UA2110 United Airlines San Francisco — Seattle	8h 39m including layover	Find flight from$128
18:21 — 22:59	18:21 — 20:12 UA2394 United Airlines Chicago — Denver 48m stop 21:00 — 22:59 UA2651 United Airlines Denver — Seattle	6h 38m including layover	Find flight from$129
19:18 — 08:04 +1 day	19:18 — 22:06 HA6302 Hawaiian Airlines Chicago — San Francisco 7h 54m stop 06:00 — 08:04 HA7023 Hawaiian Airlines San Francisco — Seattle	14h 46m including layover	Find flight from$120
22:15 — 15:03 +1 day	21:02 — 23:07 NK2179 Spirit Airlines Chicago — Las Vegas 11h 57m stop 11:40 — 14:25 NK2327 Spirit Airlines Las Vegas — Seattle	18h 48m including layover	Find flight from$112
09:12 — 16:25 +1 day	09:12 — 11:23 G43081 Allegiant Air Chicago — Fort Walton Beach 9h 45m stop 21:08 — 23:36 G4126 Allegiant Air Fort Walton Beach — Las Vegas 14h 4m stop 13:40 — 16:25 NK1681 Spirit Airlines Las Vegas — Seattle	33h 13m including layover	Find flight from$123

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

*Departure and arrival times - local. Updated on July 3, 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 05:00 to 23:45 from 7 Chicago airports and arrive 05:00 to 23:45 to 3 Seattle airports. Average flight time is 4h 33m.

The fastest flight 4h 27m
Average flight time 4h 33m
The earliest flight 05:00
The latest flight 23:45
Distance 1732 ml

The cheapest months to travel to Seattle are october (from 87 $), september (from 87 $), august (from 88 $).

The most expensive months are december (from 196 $), january (from 172 $), june (from 119 $).

What is the lowest airfare Chicago to Seattle?

The cheapest plane ticket found by our users is $65. This airfare is for economy class on one-way HA6300 flight by Hawaiian Airlines for October 7, 2025 which leaves O'Hare International in Chicago at 06:00 am and arrives at Seattle Seattle-Tacoma Intl at 08:27.

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 Chicago — Seattle is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by United Airlines - 90 departures per week at the price of from $ 100 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 5259.

Direct flights

There are 16 nonstop flights on the route. The fastest direct flight is HA6300 by Hawaiian Airlines takes 4h 27m and the cheapest is HA6300 by Hawaiian Airlines for $65.

UA - United Airlines

from $100

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AS - Alaska Airlines

from $68

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HA - Hawaiian Airlines

from $65

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Connecting Flights

There are 225 flights with layovers on the route. The fastest connecting flight is AS6834 by Alaska Airlines takes 5h 52m and the cheapest is HA6300 by Hawaiian Airlines for $70.

UA - United Airlines

from $109

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AS - Alaska Airlines

from $77

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F9 - Frontier Airlines

from $70

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SY - Sun Country Airlines

from $147

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TK - Turkish Airlines

from $813

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HA - Hawaiian Airlines

from $93

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NK - Spirit Airlines

from $99

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G4 - Allegiant Air

from $123

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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 $65
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Midway-MDW

from $96
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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 8 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

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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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