Cheap Flights from Chicago, IL to Seattle, WA from $84
Return flight: Seattle – Chicago
On Cheapflightsplus.com you will find 5 direct and 42 connecting flights from Chicago to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $84, 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: $84 (one-way), $144 (round-trip).
Direct flights
Check prices for return flight
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 $84. The fastest direct flight takes 4h 40m and the fastest connecting – 6h 32m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $138 | 17:54 Chicago O'Hare International | 20:35 Seattle Seattle-Tacoma Intl | 4h 41m | Alaska Airlines | AS353 |
| from $154 | 19:59 Chicago O'Hare International | 22:42 Seattle Seattle-Tacoma Intl | 4h 43m | United Airlines | UA2211 |
| from $162 | 10:00 Chicago O'Hare International | 12:43 Seattle Seattle-Tacoma Intl | 4h 43m | Alaska Airlines | AS462 |
| from $233 | 16:05 Chicago O'Hare International | 18:45 Seattle Seattle-Tacoma Intl | 4h 40m | United Airlines | UA2278 |
| from $287 | 09:00 Chicago O'Hare International | 11:44 Seattle Seattle-Tacoma Intl | 4h 44m | United Airlines | UA1705 |
| from $84 | 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 $85 | 06:05 Chicago Midway | 16:31 Seattle Seattle-Tacoma Intl | 12h 26m layover 5h 53m - Dallas | Frontier Airlines | F91887 F94065 |
| from $101 | 11:32 Chicago Midway | 18:37 Seattle Seattle-Tacoma Intl | 9h 5m layover 2h 11m - Phoenix | Frontier Airlines | F91735 F91723 |
| from $160 | 10:55 Chicago O'Hare International | 17:37 Seattle Seattle-Tacoma Intl | 8h 42m layover 2h 6m - Las Vegas | Spirit Airlines | NK183 NK781 |
| from $160 | 06:45 Chicago O'Hare International | 23:10 Seattle Seattle-Tacoma Intl | 18h 25m layover 11h 15m - Los Angeles | Spirit Airlines | NK467 NK804 |
| from $200 | 13:55 Chicago O'Hare International | 22:00 Seattle Seattle-Tacoma Intl | 10h 5m layover 2h 22m - Los Angeles | United Airlines | UA378 UA684 |
| from $232 | 16:05 Chicago O'Hare International | 09:02+1 день Seattle Seattle-Tacoma Intl | 18h 57m layover 13h 16m - Portland | Alaska Airlines | AS413 AS910 |
| from $233 | 16:05 Chicago O'Hare International | 07:12+1 день Seattle Seattle-Tacoma Intl | 17h 7m layover 11h 26m - Portland | Alaska Airlines | AS413 AS124 |
| from $229 | 13:14 Chicago O'Hare International | 23:10 Seattle Seattle-Tacoma Intl | 11h 56m layover 0h 49m - Las Vegas 3h 3m - Los Angeles | Spirit Airlines | NK188 NK1495 NK804 |
| from $229 | 06:45 Chicago O'Hare International | 17:37 Seattle Seattle-Tacoma Intl | 12h 52m layover 2h 56m - Los Angeles 1h 33m - Las Vegas | Spirit Airlines | NK467 NK712 NK781 |
| from $234 | 06:45 Chicago O'Hare International | 17:37 Seattle Seattle-Tacoma Intl | 12h 52m layover 1h 33m - Los Angeles 2h 57m - Las Vegas | Spirit Airlines | NK467 NK1724 NK781 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 01, 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 | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
09:00 — 11:44
|
09:00 — 11:44
UA1705
United Airlines
Chicago — Seattle
|
4h 44m |
Find flight
from$287 |
|
|
10:00 — 12:43
|
10:00 — 12:43
AS462
Alaska Airlines
Chicago — Seattle
|
4h 43m |
Find flight
from$162 |
|
|
16:05 — 18:45
|
16:05 — 18:45
UA2278
United Airlines
Chicago — Seattle
|
4h 40m |
Find flight
from$233 |
|
|
17:54 — 20:35
|
17:54 — 20:35
AS353
Alaska Airlines
Chicago — Seattle
|
4h 41m |
Find flight
from$138 |
|
|
19:59 — 22:42
|
19:59 — 22:42
UA2211
United Airlines
Chicago — Seattle
|
4h 43m |
Find flight
from$154 |
|
|
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$85 |
|
|
06:45 — 23:10
|
06:45 — 09:07
NK467
Spirit Airlines
Chicago — Los Angeles
11h 15m stop
20:22 — 23:10
NK804
Spirit Airlines
Los Angeles — Seattle
|
18h 25m including layover |
Find flight
from$160 |
|
|
08:45 — 18:29
|
08:45 — 11:33
UA1387
United Airlines
Chicago — San Francisco
4h 30m stop
16:32 — 18:52
UA2603
United Airlines
San Francisco — Seattle
|
11h 44m including layover |
Find flight
from$306 |
|
|
08:45 — 00:55
+1 day
|
08:45 — 11:40
UA1387
United Airlines
Chicago — San Francisco
10h 55m stop
22:35 — 00:55
UA1743
United Airlines
San Francisco — Seattle
|
18h 10m including layover |
Find flight
from$358 |
|
|
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$160 |
|
|
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$101 |
|
|
11:53 — 22:17
|
11:53 — 15:08
UA2488
United Airlines
Chicago — Newark
3h 50m stop
18:58 — 22:17
UA2044
United Airlines
Newark — Seattle
|
12h 24m including layover |
Find flight
from$394 |
|
|
12:45 — 21:01
|
12:45 — 14:36
UA1491
United Airlines
Chicago — Denver
4h 21m stop
19:05 — 21:11
UA299
United Airlines
Denver — Seattle
|
10h 16m including layover |
Find flight
from$282 |
|
|
13:55 — 22:00
|
14:00 — 16:38
UA378
United Airlines
Chicago — Los Angeles
2h 22m stop
19:30 — 22:30
UA684
United Airlines
Los Angeles — Seattle
|
10h 5m including layover |
Find flight
from$200 |
|
|
14:35 — 22:45
|
14:35 — 16:28
UA1588
United Airlines
Chicago — Denver
4h 16m stop
20:44 — 22:45
UA2651
United Airlines
Denver — Seattle
|
10h 10m including layover |
Find flight
from$344 |
|
|
14:35 — 21:01
|
14:35 — 16:28
UA1588
United Airlines
Chicago — Denver
2h 32m stop
19:00 — 21:01
UA299
United Airlines
Denver — Seattle
|
8h 26m including layover |
Find flight
from$394 |
|
|
15:40 — 22:00
|
15:40 — 18:25
UA1310
United Airlines
Chicago — Los Angeles
39m stop
19:04 — 22:00
UA684
United Airlines
Los Angeles — Seattle
|
8h 20m including layover |
Find flight
from$347 |
|
|
16:05 — 09:02
+1 day
|
16:05 — 18:44
AS413
Alaska Airlines
Chicago — Portland
13h 16m stop
08:00 — 09:02
AS910
Alaska Airlines
Portland — Seattle
|
18h 57m including layover |
Find flight
from$232 |
|
|
18:48 — 08:37
+1 day
|
18:00 — 20:02
F91483
Frontier Airlines
Chicago — Denver
10h 3m stop
06:00 — 08:15
F91175
Frontier Airlines
Denver — Seattle
|
15h 49m including layover |
Find flight
from$84 |
|
|
20:02 — 09:49
+1 day
|
20:05 — 21:58
UA767
United Airlines
Chicago — Denver
9h 48m stop
07:50 — 09:59
UA204
United Airlines
Denver — Seattle
|
15h 47m including layover |
Find flight
from$288 |
|
|
21:38 — 09:49
+1 day
|
21:38 — 23:30
UA1748
United Airlines
Chicago — Denver
8h 16m stop
07:46 — 09:49
UA204
United Airlines
Denver — Seattle
|
14h 11m including layover |
Find flight
from$358 |
|
|
01:00 — 19:57
|
01:00 — 05:41
AM689
Aeromexico
Chicago — Mexico City
5h 19m stop
11:00 — 12:24
Y4154
Volaris
Mexico City — Guadalajara
4h 11m stop
16:35 — 19:57
Y41850
Volaris
Guadalajara — Seattle
|
20h 57m including layover |
Find flight
from$513 |
|
|
01:15 — 19:57
|
01:15 — 05:50
VB187
VivaAerobus
Chicago — Mexico City
5h 10m stop
11:00 — 12:24
Y4154
Volaris
Mexico City — Guadalajara
4h 11m stop
16:35 — 19:57
Y41850
Volaris
Guadalajara — Seattle
|
20h 42m including layover |
Find flight
from$547 |
|
|
07:20 — 17:37
|
07:20 — 09:33
NK824
Spirit Airlines
Chicago — Dallas
1h 30m stop
11:03 — 11:58
NK3711
Spirit Airlines
Dallas — Las Vegas
2h 59m stop
14:57 — 17:37
NK781
Spirit Airlines
Las Vegas — Seattle
|
12h 17m including layover |
Find flight
from$249 |
|
|
12:58 — 00:55
+1 day
|
12:58 — 15:35
UA2440
United Airlines
Chicago — Los Angeles
3h 31m stop
19:06 — 20:40
UA1743
United Airlines
Los Angeles — San Francisco
1h 55m stop
22:35 — 00:55
UA1743
United Airlines
San Francisco — Seattle
|
13h 57m including layover |
Find flight
from$249 |
|
|
13:14 — 23:10
|
13:14 — 15:10
NK188
Spirit Airlines
Chicago — Las Vegas
49m stop
15:59 — 17:19
NK1495
Spirit Airlines
Las Vegas — Los Angeles
3h 3m stop
20:22 — 23:10
NK804
Spirit Airlines
Los Angeles — Seattle
|
11h 56m including layover |
Find flight
from$229 |
|
|
15:40 — 00:55
+1 day
|
15:40 — 18:25
UA1310
United Airlines
Chicago — Los Angeles
41m stop
19:06 — 20:40
UA1743
United Airlines
Los Angeles — San Francisco
1h 55m stop
22:35 — 00:55
UA1743
United Airlines
San Francisco — Seattle
|
11h 15m including layover |
Find flight
from$249 |
|
*Departure and arrival times - local. Updated on March 1, 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 01:00 to 21:38 from 7 Chicago airports and arrive 01:00 to 21:38 to 3 Seattle airports. Average flight time is 4h 43m.
- The fastest flight 4h 40m
- Average flight time 4h 43m
- The earliest flight 01:00
- The latest flight 21:38
- Distance 1732 ml
The cheapest months to travel to Seattle are november (from 84 $), february (from 85 $), january (from 165 $).
The most expensive months are december (from 233 $), january (from 165 $), february (from 85 $).
What is the lowest airfare Chicago to Seattle?
The cheapest plane ticket found by our users is $84. This airfare is for economy class on one-way F91483 flight by Frontier Airlines for February 21, 2025 which leaves O'Hare International in Chicago at 18:48 am and arrives at Seattle Seattle-Tacoma Intl at 08:37.
Economy class
$84
Business class
?
First class
?
Popular Airlines on the Route
The flight Chicago — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 26 departures per week at the price of from $ 154 . And the most expensive tickets are offered by VivaAerobus airline - from $ 547.
Direct flights
There are 5 nonstop flights on the route. The fastest direct flight is UA2278 by United Airlines takes 4h 40m and the cheapest is F91483 by Frontier Airlines for $138.
- from $154Find
- AS - Alaska Airlinesfrom $138Find
See more direct flights
Connecting Flights
There are 42 flights with layovers on the route. The fastest connecting flight is AS413 by Alaska Airlines takes 6h 32m and the cheapest is F91483 by Frontier Airlines for $84.
- from $200Find
- AS - Alaska Airlinesfrom $232Find
- F9 - Frontier Airlinesfrom $84Find
- VB - VivaAerobusfrom $443Find
- AM - Aeromexicofrom $513Find
- NK - Spirit Airlinesfrom $160Find
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-ORDfrom $84Find
- Midway-MDWfrom $85Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from Chicago by 6 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.
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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.
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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.
To find a plane ticket, please select dates.