Cheap Flights from Seattle, WA to Chicago, IL from $330

Return flight: Chicago – Seattle
Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 9 direct and 51 connecting flights from Seattle to Chicago. You can compare airfare deals from 6 airlines and multiple travel sites from $330, 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.

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 23:45 from 3 Seattle airports and arrive 05:00 to 23:45 to 7 Chicago airports. Average flight time is 4h 8m.

  • The fastest flight 4h
  • Average flight time 4h 8m
  • The earliest flight 05:00
  • The latest flight 23:45
  • Distance 1732 ml

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 $330. The fastest direct flight takes 4h and the fastest connecting – 6h 9m.
Price Departure Arrival Flight Duration Airline Flight
from $330
Find flight
17:50
Seattle
Seattle-Tacoma Intl
 23:50
Chicago
O'Hare International
 4h 0m Alaska Airlines
AS538
from $355
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17:50
Seattle
Seattle-Tacoma Intl
 23:50
Chicago
O'Hare International
 4h 0m Hawaiian Airlines
HA6819
from $378
Find flight
10:58
Seattle
Seattle-Tacoma Intl
 17:05
Chicago
O'Hare International
 4h 7m United Airlines
UA2467
from $340
Find flight
12:41
Seattle
Seattle-Tacoma Intl
 23:37
Chicago
O'Hare International
 8h 56m
layover
1h 41m - San Diego
 Alaska Airlines
AS621
AS1493
from $360
Find flight
12:41
Seattle
Seattle-Tacoma Intl
 23:37
Chicago
O'Hare International
 8h 56m
layover
1h 41m - San Diego
 Hawaiian Airlines
HA6871
HA7493
from $491
Find flight
22:00
Seattle
Seattle-Tacoma Intl
 23:25+1 день
Chicago
O'Hare International
 23h 25m
layover
3h 14m - Guadalajara
10h 5m - Mexico City
 Volaris
Y41851
Y4141
VB186
from $498
Find flight
09:30
Seattle
Seattle-Tacoma Intl
 20:20+1 день
Chicago
O'Hare International
 32h 50m
layover
12h 0m - Mexico City
4h 20m - Bogota
 Aeromexico
AM495
AV45
AV262
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 27, 2026

The cheapest months to travel to Chicago are january (from 330 $).

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $330. This airfare is for economy class on one-way AS538 flight by Alaska Airlines for January 14, 2026 which leaves Seattle-Tacoma Intl in Seattle at 17:50 am and arrives at Chicago O'Hare International at 23:50.

Economy class
$330
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Business class
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First class
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Flight Schedule Seattle (Washington) to Chicago (Illinois)

05:00 — 13:24
6h 24m flight time
Find flight
from$388
05:00 — 08:48 Seattle — Denver
UA397 United Airlines
52m stop
09:40 — 13:24 Denver — Chicago
UA2329 United Airlines
05:00 — 14:50
7h 50m flight time
Find flight
from$388
05:00 — 08:48 Seattle — Denver
UA397 United Airlines
2h 27m stop
11:15 — 14:50 Denver — Chicago
UA2865 United Airlines
07:00 — 13:08
4h 8m flight time
Find flight
from$378
Seattle — Chicago
UA747 United Airlines
08:30 — 14:38
4h 8m flight time
Find flight
from$330
Seattle — Chicago
AS265 Alaska Airlines
08:30 — 14:38
4h 8m flight time
Find flight
from$355
Seattle — Chicago
HA6845 Hawaiian Airlines
10:32 — 23:37
11h 5m flight time
Find flight
from$340
10:32 — 13:19 Seattle — San Diego
AS650 Alaska Airlines
3h 51m stop
17:10 — 23:37 San Diego — Chicago
AS1493 Alaska Airlines
10:32 — 23:37
11h 5m flight time
Find flight
from$360
10:32 — 13:19 Seattle — San Diego
HA6875 Hawaiian Airlines
3h 51m stop
17:10 — 23:37 San Diego — Chicago
HA7493 Hawaiian Airlines
10:58 — 17:05
4h 7m flight time
Find flight
from$378
Seattle — Chicago
UA2467 United Airlines
11:00 — 17:10
4h 10m flight time
Find flight
from$330
Seattle — Chicago
AS410 Alaska Airlines
11:00 — 17:10
4h 10m flight time
Find flight
from$355
Seattle — Chicago
HA6817 Hawaiian Airlines
12:41 — 23:37
8h 56m flight time
Find flight
from$340
12:41 — 15:29 Seattle — San Diego
AS621 Alaska Airlines
1h 41m stop
17:10 — 23:37 San Diego — Chicago
AS1493 Alaska Airlines
12:41 — 23:37
8h 56m flight time
Find flight
from$360
12:41 — 15:29 Seattle — San Diego
HA6871 Hawaiian Airlines
1h 41m stop
17:10 — 23:37 San Diego — Chicago
HA7493 Hawaiian Airlines
14:10 — 20:17
4h 7m flight time
Find flight
from$378
Seattle — Chicago
UA2340 United Airlines
17:50 — 23:50
4h flight time
Find flight
from$330
Seattle — Chicago
AS538 Alaska Airlines
17:50 — 23:50
4h flight time
Find flight
from$355
Seattle — Chicago
HA6819 Hawaiian Airlines
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 and arrival times - local. Updated on January 27, 2026.

Popular Airlines on the Route

The flight Seattle — Chicago is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 11 departures per week at the price of from $ 330 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1000.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is AS538 by Alaska Airlines takes 4h and the cheapest is AS538 by Alaska Airlines for $330.

  • AS - Alaska Airlines
    from $330
    Find
  • HA - Hawaiian Airlines
    from $355
    Find
  • UA - United Airlines
    from $378
    Find
See more direct flights

Connecting Flights

There are 51 flights with layovers on the route. The fastest connecting flight is HA6555 by Hawaiian Airlines takes 6h 9m and the cheapest is AS538 by Alaska Airlines for $340.

  • AS - Alaska Airlines
    from $340
    Find
  • HA - Hawaiian Airlines
    from $360
    Find
  • Y4 - Volaris
    from $491
    Find
  • UA - United Airlines
    from $388
    Find
  • AM - Aeromexico
    from $498
    Find
  • WS - WestJet
    from $781
    Find
See more connecting flights

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
    Find
  • Seattle-Tacoma Intl-SEA
    from $330
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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.

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.

How to book a plane ticket yourself?

How to book an air 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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