Cheap Flights from Seattle, WA to Chicago, IL from $83

Return flight: Chicago – Seattle
Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 38 direct and 358 connecting flights from Seattle to Chicago. You can compare airfare deals from 7 airlines and multiple travel sites from $83, 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 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

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 $83. The fastest direct flight takes 3h 57m and the fastest connecting – 5h 42m.
Price Departure Arrival Flight Duration Airline Flight
from $83
Find flight
00:17
Seattle
Seattle-Tacoma Intl
 06:21
Chicago
O'Hare International
 4h 4m Hawaiian Airlines
HA6538
from $87
Find flight
00:17
Seattle
Seattle-Tacoma Intl
 06:21
Chicago
O'Hare International
 4h 4m Alaska Airlines
AS384
from $115
Find flight
08:03
Seattle
Seattle-Tacoma Intl
 14:13
Chicago
O'Hare International
 4h 10m Hawaiian Airlines
HA6820
from $87
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 $102
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 $125
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 $146
Find flight
06:00
Seattle
Seattle-Tacoma Intl
 06:42+1 день
Chicago
O'Hare International
 22h 42m
layover
4h 11m - Las Vegas
10h 35m - Los Angeles
 Spirit Airlines
NK2626
NK2686
NK2549
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on October 28, 2025

The cheapest months to travel to Chicago are october (from 83 $), september (from 83 $), august (from 84 $).

The most expensive months are february (from 1 324 $), november (from 1 324 $), july (from 89 $).

What is the lowest airfare Seattle to Chicago?

The cheapest plane ticket found by our users is $83. 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
$83
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Business class
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First class
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Flight Schedule Seattle (Washington) to Chicago (Illinois)

00:17 — 06:21
4h 4m flight time
Find flight
from$83
Seattle — Chicago
HA6538 Hawaiian Airlines
00:17 — 06:21
4h 4m flight time
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from$87
Seattle — Chicago
AS384 Alaska Airlines
06:00 — 12:07
4h 7m flight time
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from$84
Seattle — Chicago
HA6816 Hawaiian Airlines
06:00 — 12:07
4h 7m flight time
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from$88
Seattle — Chicago
AS408 Alaska Airlines
07:00 — 13:15
4h 15m flight time
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from$127
Seattle — Chicago
UA2618 United Airlines
08:03 — 14:13
4h 10m flight time
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from$93
Seattle — Chicago
AS890 Alaska Airlines
10:50 — 16:57
4h 7m flight time
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from$93
Seattle — Chicago
AS429 Alaska Airlines
13:45 — 19:42
3h 57m flight time
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from$88
Seattle — Chicago
HA6817 Hawaiian Airlines
14:15 — 20:25
4h 10m flight time
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from$133
Seattle — Chicago
UA2665 United Airlines
15:59 — 22:04
4h 5m flight time
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from$84
Seattle — Chicago
HA6821 Hawaiian Airlines
15:59 — 22:04
4h 5m flight time
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from$87
Seattle — Chicago
AS941 Alaska Airlines
16:19 — 22:23
4h 4m flight time
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from$88
Seattle — Chicago
HA6569 Hawaiian Airlines
17:55 — 23:59
4h 4m flight time
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from$83
Seattle — Chicago
HA6819 Hawaiian Airlines
17:55 — 23:59
4h 4m flight time
Find flight
from$87
Seattle — Chicago
AS538 Alaska Airlines
23:40 — 05:40+1day
4h flight time
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from$84
Seattle — Chicago
HA6815 Hawaiian Airlines
23:40 — 05:40+1day
4h flight time
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from$88
Seattle — Chicago
AS328 Alaska 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 October 28, 2025.

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 Alaska Airlines - 41 departures per week at the price of from $ 87 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6940.

Direct flights

There are 38 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 $83.

  • AS - Alaska Airlines
    from $87
    Find
  • HA - Hawaiian Airlines
    from $83
    Find
  • UA - United Airlines
    from $127
    Find
See more direct flights

Connecting Flights

There are 358 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 $87.

  • AS - Alaska Airlines
    from $123
    Find
  • F9 - Frontier Airlines
    from $102
    Find
  • SY - Sun Country Airlines
    from $134
    Find
  • TK - Turkish Airlines
    from $1324
    Find
  • HA - Hawaiian Airlines
    from $114
    Find
  • UA - United Airlines
    from $139
    Find
  • NK - Spirit Airlines
    from $87
    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
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  • Seattle-Tacoma Intl-SEA
    from $83
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

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.

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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