Cheap Flights from Seattle, WA to Chicago, IL from $129
On Cheapflightsplus.com you will find 6 connecting flights from Seattle to Chicago. You can compare airfare deals from 2 airlines and multiple travel sites from $129, 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.
Find One-Way and Round-Trip Seattle to Chicago Flight Deals
Best Flights from Seattle to Chicago Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $129 | 17:30 Seattle Seattle-Tacoma Intl | 06:03+1 день Chicago O'Hare International | 10h 33m layover 4h 36m - Las Vegas | Spirit Airlines | NK1682 NK1053 |
from $155 | 17:30 Seattle Seattle-Tacoma Intl | 08:55+1 день Chicago O'Hare International | 13h 25m layover 1h 31m - Las Vegas 1h 28m - Miami | Spirit Airlines | NK1682 NK954 NK1986 |
from $462 | 18:28 Seattle Seattle-Tacoma Intl | 17:10+1 день Chicago O'Hare International | 20h 42m layover 11h 21m - Minneapolis 1h 17m - Dallas | Sun Country Airlines | SY286 SY503 NK1634 |
Flight Schedule Seattle (Washington) to Chicago (Illinois)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
17:30 — 06:03
+1 day
|
17:30 — 19:58
NK1682
Spirit Airlines
Seattle — Las Vegas
4h 36m stop
00:34 — 06:03
NK1053
Spirit Airlines
Las Vegas — Chicago
|
10h 33m including layover |
Find flight
from$129 |
|
17:30 — 08:55
+1 day
|
17:30 — 19:58
NK1682
Spirit Airlines
Seattle — Las Vegas
1h 31m stop
21:29 — 05:12
NK954
Spirit Airlines
Las Vegas — Miami
1h 28m stop
06:40 — 08:55
NK1986
Spirit Airlines
Miami — Chicago
|
13h 25m including layover |
Find flight
from$155 |
|
17:30 — 16:11
+1 day
|
17:30 — 19:58
NK1682
Spirit Airlines
Seattle — Las Vegas
2h 2m stop
22:00 — 05:38
NK1661
Spirit Airlines
Las Vegas — Miami
7h 57m stop
13:35 — 16:11
NK1102
Spirit Airlines
Miami — Chicago
|
20h 41m including layover |
Find flight
from$167 |
|
17:30 — 15:31
+1 day
|
17:30 — 19:58
NK1682
Spirit Airlines
Seattle — Las Vegas
4h 54m stop
00:52 — 08:21
NK1372
Spirit Airlines
Las Vegas — Orlando
5h 2m stop
13:23 — 15:31
NK1369
Spirit Airlines
Orlando — Chicago
|
20h 1m including layover |
Find flight
from$189 |
|
18:28 — 17:10
+1 day
|
18:28 — 23:45
SY286
Sun Country Airlines
Seattle — Minneapolis
11h 21m stop
11:06 — 13:39
SY503
Sun Country Airlines
Minneapolis — Dallas
1h 17m stop
14:56 — 17:10
NK1634
Spirit Airlines
Dallas — Chicago
|
20h 42m including layover |
Find flight
from$462 |
|
18:28 — 15:31
+1 day
|
17:57 — 23:17
SY286
Sun Country Airlines
Seattle — Minneapolis
7h 33m stop
07:18 — 11:31
SY341
Sun Country Airlines
Minneapolis — Orlando
1h 52m stop
13:23 — 15:31
NK1369
Spirit Airlines
Orlando — Chicago
|
19h 3m including layover |
Find flight
from$476 |
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 17:30 to 18:28 from 3 Seattle airports and arrive 17:30 to 18:28 to 7 Chicago airports. Average flight time is 19h 32m.
- The fastest flight 10h 33m
- Average flight time 19h 32m
- The earliest flight 17:30
- The latest flight 18:28
- Distance 1732 ml
The cheapest months to travel to Chicago are august (from 129 $), july (from 130 $).
What is the lowest airfare Seattle to Chicago?
The cheapest plane ticket found by our users is $129. This airfare is for economy class on one-way NK1682 flight by Spirit Airlines for August 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 17:30 am and arrives at Chicago O'Hare International at 06:03.
Popular Airlines on the Route
The flight Seattle — Chicago is served by 2 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Sun Country Airlines - 2 departures per week at the price of from $ 462 . And the most expensive tickets are offered by Sun Country Airlines airline - from $ 476.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 6 flights with layovers on the route. The fastest connecting flight is NK1682 by Spirit Airlines takes 10h 33m and the cheapest is NK1682 by Spirit Airlines for $129.
- SY - Sun Country Airlinesfrom $462Find
- NK - Spirit Airlinesfrom $129Find
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-BFIFind
- Seattle-Tacoma Intl-SEAfrom $129Find
- Kenmore Air Harbor SPB-LKEFind
Chicago airports
- O'Hare International-ORDFind
- Midway-MDWFind
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Airplanes
There are flights to Chicago from Seattle by 2 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
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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.
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