Flights from Seattle to Chicago

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Seattle to Chicago flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Chicago by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
07 Aug
SEA
4:36 pm
Seattle/Tacoma Intl airport
4h 01m
10:37 pm
ORD
Chicago O'Hare Intl airport
Spirit Airlines
14 Aug
ORD
4:50 pm
Chicago O'Hare Intl airport
4h 27m
7:17 pm
SEA
Seattle/Tacoma Intl airport
149 USD
Spirit Airlines
Spirit Airlines
13 Aug
SEA
4:36 pm
Seattle/Tacoma Intl airport
4h 01m
10:37 pm
ORD
Chicago O'Hare Intl airport
Spirit Airlines
20 Aug
ORD
10:20 am
Chicago O'Hare Intl airport
12h 04m
1 Stop
8:24 pm
SEA
Seattle/Tacoma Intl airport
150 USD
Spirit Airlines
Spirit Airlines
14 Aug
SEA
4:36 pm
Seattle/Tacoma Intl airport
4h 01m
10:37 pm
ORD
Chicago O'Hare Intl airport
Spirit Airlines
20 Aug
ORD
3:20 am
Chicago O'Hare Intl airport
7h 56m
1 Stop
9:16 am
SEA
Seattle/Tacoma Intl airport
150 USD
American Airlines
American Airlines
14 Oct
SEA
10:25 am
Seattle/Tacoma Intl airport
3h 43m
4:08 pm
ORD
Chicago O'Hare Intl airport
American Airlines
15 Oct
ORD
2:00 am
Chicago O'Hare Intl airport
4h 29m
4:29 am
SEA
Seattle/Tacoma Intl airport
163 USD
American Airlines
American Airlines
22 Oct
SEA
8:05 am
Seattle/Tacoma Intl airport
3h 43m
1:48 pm
ORD
Chicago O'Hare Intl airport
American Airlines
26 Oct
ORD
2:00 am
Chicago O'Hare Intl airport
4h 29m
4:29 am
SEA
Seattle/Tacoma Intl airport
163 USD
American Airlines
American Airlines
09 Oct
SEA
10:25 am
Seattle/Tacoma Intl airport
3h 43m
4:08 pm
ORD
Chicago O'Hare Intl airport
American Airlines
15 Oct
ORD
1:00 am
Chicago O'Hare Intl airport
4h 40m
3:40 am
SEA
Seattle/Tacoma Intl airport
163 USD

How to get the cheapest flight from Seattle to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
CHEAPEST MONTH TO FLY
May
The cheapest time of year to fly to Chicago from Seattle is May. Most expensive is July
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the evening
Seattle to Chicago flights are approximately 112% more expensive in the morning than in the evening
CHEAPEST AIRLINE
Frontier
Frontier, Sun Country Air, and Spirit Airlines are the most popular carriers operating from Seattle to Chicago
CHEAPEST ROUTE
Seattle/Tacoma Intl - Chicago O'Hare Intl
Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Seattle - Chicago flight prices
CHEAPEST TIME TO BOOK
43 days before
The cheapest time to buy a flight from Seattle to Chicago is approximately 43 days to departure
60
Days before departure
0

Flight information for Seattle to Chicago

Find info about flight duration, direct flights, and airports for your flight from Seattle to Chicago
Fastest flight time
3h 48m
The fastest flight from Seattle to Chicago takes 3h 48m.
Direct flights
Every day
Direct flights go from Seattle to Chicago every day.
Airports in Chicago
3 airports
There are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD)

Alternative routes for Seattle to Chicago

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Portland to Chicago
Fastest flight time
3h 43m
Cheapest price
232 USD

Flights from Seattle to:

Flights to Chicago from:

  • Seattle
  • Washington
  • United States
  • North America