Cheap Flights from Chicago, IL to Seattle, WA from $102
Return flight: Seattle – Chicago
On Cheapflightsplus.com you will find 6 direct and 169 connecting flights from Chicago to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $102, 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: $102 (one-way), $175 (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 $102. The fastest direct flight takes 4h 40m and the fastest connecting – 5h 52m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $135 | 21:16 Chicago O'Hare International | 23:59 Seattle Seattle-Tacoma Intl | 4h 43m | United Airlines | UA1001 |
| from $137 | 09:00 Chicago O'Hare International | 11:43 Seattle Seattle-Tacoma Intl | 4h 43m | United Airlines | UA1620 |
| from $149 | 07:10 Chicago O'Hare International | 09:50 Seattle Seattle-Tacoma Intl | 4h 40m | United Airlines | UA2038 |
| from $181 | 16:05 Chicago O'Hare International | 18:46 Seattle Seattle-Tacoma Intl | 4h 41m | United Airlines | UA1755 |
| from $320 | 06:00 Chicago O'Hare International | 08:45 Seattle Seattle-Tacoma Intl | 4h 45m | Hawaiian Airlines | HA6303 |
| from $324 | 06:00 Chicago O'Hare International | 08:45 Seattle Seattle-Tacoma Intl | 4h 45m | Alaska Airlines | AS715 |
| from $102 | 09:20 Chicago O'Hare International | 18:53 Seattle Seattle-Tacoma Intl | 11h 33m layover 3h 58m - San Diego | Hawaiian Airlines | HA7470 HA6692 |
| from $111 | 14:05 Chicago O'Hare International | 18:48 Seattle Seattle-Tacoma Intl | 6h 43m layover 0h 49m - Portland | Alaska Airlines | AS325 AS1318 |
| from $111 | 09:20 Chicago O'Hare International | 18:53 Seattle Seattle-Tacoma Intl | 11h 33m layover 3h 58m - San Diego | Alaska Airlines | AS1470 AS683 |
| from $126 | 14:05 Chicago O'Hare International | 20:33 Seattle Seattle-Tacoma Intl | 8h 28m layover 2h 50m - Portland | Hawaiian Airlines | HA6293 HA6395 |
| from $129 | 07:00 Chicago O'Hare International | 12:52 Seattle Seattle-Tacoma Intl | 7h 52m layover 2h 32m - Portland | Alaska Airlines | AS413 AS2124 |
| from $138 | 12:35 Chicago Midway | 18:59 Seattle Seattle-Tacoma Intl | 8h 24m layover 2h 38m - Denver | Frontier Airlines | F92209 F91175 |
| from $143 | 14:44 Chicago Midway | 00:34+1 день Seattle Seattle-Tacoma Intl | 11h 50m layover 5h 56m - Denver | Frontier Airlines | F92209 F93405 |
| from $169 | 07:00 Chicago O'Hare International | 12:52 Seattle Seattle-Tacoma Intl | 7h 52m layover 2h 32m - Portland | Hawaiian Airlines | HA6294 HA6228 |
| from $165 | 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 $168 | 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 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 26, 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 |
|---|---|---|---|---|
|
06:00 — 08:45
|
06:00 — 08:45
HA6303
Hawaiian Airlines
Chicago — Seattle
|
4h 45m |
Find flight
from$320 |
|
|
06:00 — 08:45
|
06:00 — 08:45
AS715
Alaska Airlines
Chicago — Seattle
|
4h 45m |
Find flight
from$324 |
|
|
07:10 — 09:50
|
07:10 — 09:50
UA2038
United Airlines
Chicago — Seattle
|
4h 40m |
Find flight
from$149 |
|
|
09:00 — 11:43
|
09:00 — 11:43
UA1620
United Airlines
Chicago — Seattle
|
4h 43m |
Find flight
from$137 |
|
|
16:05 — 18:46
|
16:05 — 18:46
UA1755
United Airlines
Chicago — Seattle
|
4h 41m |
Find flight
from$181 |
|
|
21:16 — 23:59
|
21:16 — 23:59
UA1001
United Airlines
Chicago — Seattle
|
4h 43m |
Find flight
from$135 |
|
|
05:40 — 00:34
+1 day
|
05:40 — 07:30
F91483
Frontier Airlines
Chicago — Denver
14h 59m stop
22:29 — 00:34
F93405
Frontier Airlines
Denver — Seattle
|
20h 54m including layover |
Find flight
from$209 |
|
|
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$129 |
|
|
08:47 — 13:54
|
08:47 — 10:35
UA2131
United Airlines
Chicago — Denver
1h 15m stop
11:50 — 13:54
UA1424
United Airlines
Denver — Seattle
|
7h 7m including layover |
Find flight
from$230 |
|
|
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$102 |
|
|
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$111 |
|
|
10:35 — 16:15
|
10:35 — 13:25
UA343
United Airlines
Chicago — San Francisco
35m stop
14:00 — 16:15
UA1008
United Airlines
San Francisco — Seattle
|
7h 40m including layover |
Find flight
from$182 |
|
|
10:35 — 18:25
|
10:35 — 13:25
UA343
United Airlines
Chicago — San Francisco
2h 45m stop
16:10 — 18:25
UA2279
United Airlines
San Francisco — Seattle
|
9h 50m including layover |
Find flight
from$182 |
|
|
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$138 |
|
|
13:00 — 20:54
|
13:00 — 15:55
UA2746
United Airlines
Chicago — Washington D.C.
2h stop
17:55 — 20:54
UA326
United Airlines
Washington D.C. — Seattle
|
9h 54m including layover |
Find flight
from$182 |
|
|
13:05 — 20:48
|
13:05 — 16:10
UA1140
United Airlines
Chicago — Washington D.C.
1h 45m stop
17:55 — 20:48
UA326
United Airlines
Washington D.C. — Seattle
|
9h 43m including layover |
Find flight
from$224 |
|
|
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$111 |
|
|
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$126 |
|
|
15:40 — 22:30
|
15:40 — 18:15
UA2124
United Airlines
Chicago — Los Angeles
1h 10m stop
19:25 — 22:30
UA5655
United Airlines
Los Angeles — Seattle
|
8h 50m including layover |
Find flight
from$230 |
|
|
15:55 — 21:17
|
13:55 — 15:45
UA767
United Airlines
Chicago — Denver
1h 35m stop
19:10 — 21:13
UA1729
United Airlines
Denver — Seattle
|
7h 22m including layover |
Find flight
from$182 |
|
|
16:17 — 00:59
+1 day
|
16:17 — 19:07
UA2693
United Airlines
Chicago — San Francisco
3h 37m stop
22:44 — 00:59
UA2462
United Airlines
San Francisco — Seattle
|
10h 42m including layover |
Find flight
from$182 |
|
|
17:56 — 00:56
+1 day
|
17:56 — 20:55
UA2677
United Airlines
Chicago — Washington D.C.
1h 11m stop
22:06 — 00:56
UA716
United Airlines
Washington D.C. — Seattle
|
9h including layover |
Find flight
from$181 |
|
|
18:15 — 23:10
|
18:15 — 20:04
UA1819
United Airlines
Chicago — Denver
1h 1m stop
21:05 — 23:10
UA2651
United Airlines
Denver — Seattle
|
6h 55m including layover |
Find flight
from$182 |
|
|
18:20 — 00:59
+1 day
|
18:20 — 21:09
UA2179
United Airlines
Chicago — San Francisco
1h 46m stop
22:55 — 00:59
UA2400
United Airlines
San Francisco — Seattle
|
8h 39m including layover |
Find flight
from$173 |
|
|
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$183 |
|
|
19:18 — 10:30
+1 day
|
19:18 — 22:06
HA6302
Hawaiian Airlines
Chicago — San Francisco
10h 14m stop
08:20 — 10:30
HA7028
Hawaiian Airlines
San Francisco — Seattle
|
17h 12m including layover |
Find flight
from$186 |
|
|
06:40 — 16:25
+1 day
|
06:40 — 09:08
NK1104
Spirit Airlines
Chicago — Los Angeles
10h 12m stop
21:08 — 22:26
NK1052
Spirit Airlines
Los Angeles — Las Vegas
17h 6m stop
13:40 — 16:25
NK1681
Spirit Airlines
Las Vegas — Seattle
|
35h 45m including layover |
Find flight
from$168 |
|
|
06:40 — 16:25
+1 day
|
06:40 — 09:08
NK1104
Spirit Airlines
Chicago — Los Angeles
7h 42m stop
16:46 — 18:03
NK1550
Spirit Airlines
Los Angeles — Las Vegas
19h 37m stop
13:40 — 16:25
NK1681
Spirit Airlines
Las Vegas — Seattle
|
35h 45m including layover |
Find flight
from$168 |
|
|
17:49 — 16:25
+1 day
|
16:26 — 18:47
NK2168
Spirit Airlines
Chicago — New Orleans
59m stop
20:09 — 22:07
NK1282
Spirit Airlines
New Orleans — Las Vegas
14h 31m stop
13:40 — 16:25
NK1681
Spirit Airlines
Las Vegas — Seattle
|
24h 36m including layover |
Find flight
from$183 |
|
*Departure and arrival times - local. Updated on July 26, 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 102 $), june (from 121 $), september (from 126 $).
The most expensive months are december (from 181 $), august (from 138 $), october (from 137 $).
What is the lowest airfare Chicago to Seattle?
The cheapest plane ticket found by our users is $102. 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
$102
Business class
?
First class
?
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 - 68 departures per week at the price of from $ 135 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 7043.
Direct flights
There are 6 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 $135.
- from $135Find
- AS - Alaska Airlinesfrom $324Find
- HA - Hawaiian Airlinesfrom $320Find
See more direct flights
Connecting Flights
There are 169 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 $102.
- from $173Find
- AS - Alaska Airlinesfrom $111Find
- F9 - Frontier Airlinesfrom $138Find
- SY - Sun Country Airlinesfrom $187Find
- TK - Turkish Airlinesfrom $2012Find
- HA - Hawaiian Airlinesfrom $102Find
- G4 - Allegiant Airfrom $165Find
- NK - Spirit Airlinesfrom $168Find
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 $102Find
- Midway-MDWfrom $138Find
- 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 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.
- from $508Find
- from $74Find
- from $76Find
- from $62Find
- from $66Find
- from $70Find
- from $66Find
- from $61Find
- from $65Find
- from $61Find
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.
- from $60Find
- from $72Find
- from $73Find
- from $61Find
- from $79Find
- from $73Find
- from $76Find
- from $60Find
- from $59Find
- from $74Find
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.