Cheap Flights from Chicago, IL to Seattle, WA from $96

Return flight: Seattle – Chicago
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On Cheapflightsplus.com you will find 7 direct and 204 connecting flights from Chicago to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $96, 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: $96 (one-way), $165 (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 $96. The fastest direct flight takes 4h 40m and the fastest connecting – 5h 52m.
Price Departure Arrival Flight Duration Airline Flight
from $127
Find flight
21:16
Chicago
O'Hare International
 23:59
Seattle
Seattle-Tacoma Intl
 4h 43m United Airlines
UA1001
from $170
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16:05
Chicago
O'Hare International
 18:46
Seattle
Seattle-Tacoma Intl
 4h 41m United Airlines
UA1755
from $301
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06:00
Chicago
O'Hare International
 08:45
Seattle
Seattle-Tacoma Intl
 4h 45m Hawaiian Airlines
HA6303
from $96
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09:20
Chicago
O'Hare International
 18:53
Seattle
Seattle-Tacoma Intl
 11h 33m
layover
3h 58m - San Diego
 Hawaiian Airlines
HA7470
HA6692
from $105
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14:05
Chicago
O'Hare International
 18:48
Seattle
Seattle-Tacoma Intl
 6h 43m
layover
0h 49m - Portland
 Alaska Airlines
AS325
AS1318
from $156
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09:12
Chicago
Midway
 16:25+1 день
Seattle
Seattle-Tacoma Intl
 33h 13m
layover
9h 45m - Fort Walton Beach
14h 4m - Las Vegas
 Allegiant Air
G43081
G4126
NK1681
from $158
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06:40
Chicago
O'Hare International
 16:25+1 день
Seattle
Seattle-Tacoma Intl
 35h 45m
layover
10h 12m - Los Angeles
17h 6m - Las Vegas
 Spirit Airlines
NK1104
NK1052
NK1681
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 17, 2025
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 Arrival Flight Details Flight Duration Price
06:00 — 08:45
06:00 — 08:45 HA6303 Hawaiian Airlines
Chicago — Seattle
4h 45m
Find flight
from$301
06:00 — 08:45
06:00 — 08:45 AS715 Alaska Airlines
Chicago — Seattle
4h 45m
Find flight
from$305
07:00 — 12:52
07:00 — 09:23 AS413 Alaska Airlines
Chicago — Portland
2h 32m stop
11:58 — 12:55 AS2124 Alaska Airlines
Portland — Seattle
7h 52m
including layover
Find flight
from$122
07:10 — 09:50
07:10 — 09:50 UA2038 United Airlines
Chicago — Seattle
4h 40m
Find flight
from$140
09:00 — 11:43
09:00 — 11:43 UA1620 United Airlines
Chicago — Seattle
4h 43m
Find flight
from$129
09:20 — 18:53
09:20 — 11:45 HA7470 Hawaiian Airlines
Chicago — San Diego
3h 58m stop
15:43 — 18:53 HA6692 Hawaiian Airlines
San Diego — Seattle
11h 33m
including layover
Find flight
from$96
09:20 — 18:53
09:20 — 11:45 AS1470 Alaska Airlines
Chicago — San Diego
3h 58m stop
15:43 — 18:53 AS683 Alaska Airlines
San Diego — Seattle
11h 33m
including layover
Find flight
from$105
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
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from$126
14:05 — 18:48
14:05 — 16:41 AS325 Alaska Airlines
Chicago — Portland
49m stop
17:30 — 18:48 AS1318 Alaska Airlines
Portland — Seattle
6h 43m
including layover
Find flight
from$105
14:05 — 20:33
14:09 — 16:35 HA6293 Hawaiian Airlines
Chicago — Portland
2h 50m stop
19:45 — 20:41 HA6395 Hawaiian Airlines
Portland — Seattle
8h 28m
including layover
Find flight
from$119
14:44 — 00:34
+1 day
14:44 — 16:33 F92209 Frontier Airlines
Chicago — Denver
5h 56m stop
22:29 — 00:37 F93405 Frontier Airlines
Denver — Seattle
11h 50m
including layover
Find flight
from$114
16:05 — 18:46
16:05 — 18:46 UA1755 United Airlines
Chicago — Seattle
4h 41m
Find flight
from$170
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$151
21:16 — 23:59
21:16 — 23:59 UA1001 United Airlines
Chicago — Seattle
4h 43m
Find flight
from$127
21:16 — 23:59
21:16 — 23:59 UA2200 United Airlines
Chicago — Seattle
4h 43m
Find flight
from$127
*Departure and arrival times - local. Updated on September 17, 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 22:36 from 7 Chicago airports and arrive 05:00 to 22:36 to 3 Seattle airports. Average flight time is 4h 43m.

  • The fastest flight 4h 40m
  • Average flight time 4h 43m
  • The earliest flight 05:00
  • The latest flight 22:36
  • Distance 1732 ml

The cheapest months to travel to Seattle are november (from 96 $), june (from 114 $), september (from 119 $).

The most expensive months are december (from 170 $), october (from 129 $), august (from 127 $).

What is the lowest airfare Chicago to Seattle?

The cheapest plane ticket found by our users is $96. This airfare is for economy class on one-way HA7470 flight by Hawaiian Airlines for November 19, 2025 which leaves O'Hare International in Chicago at 09:20 am and arrives at Seattle Seattle-Tacoma Intl at 18:53.

Economy class
$96
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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 Alaska Airlines - 32 departures per week at the price of from $ 105 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6628.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is UA2038 by United Airlines takes 4h 40m and the cheapest is HA7470 by Hawaiian Airlines for $127.

  • AS - Alaska Airlines
    from $305
    Find
  • HA - Hawaiian Airlines
    from $301
    Find
  • UA - United Airlines
    from $127
    Find
See more direct flights

Connecting Flights

There are 204 flights with layovers on the route. The fastest connecting flight is AS6834 by Alaska Airlines takes 5h 52m and the cheapest is HA7470 by Hawaiian Airlines for $96.

  • AS - Alaska Airlines
    from $105
    Find
  • F9 - Frontier Airlines
    from $114
    Find
  • SY - Sun Country Airlines
    from $176
    Find
  • TK - Turkish Airlines
    from $1086
    Find
  • HA - Hawaiian Airlines
    from $96
    Find
  • UA - United Airlines
    from $163
    Find
  • G4 - Allegiant Air
    from $156
    Find
  • NK - Spirit Airlines
    from $158
    Find
See more connecting flights

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 $96
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  • Midway-MDW
    from $114
    Find
  • Dupage County-DPA
    Find
  • Chicago FSS-CHI
    Find
  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

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.

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.

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.

    To find a plane ticket, please select dates.

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