Cheap flights from Chicago to Seattle

Round-trip
Economy
Chicago (CHI)
Seattle (SEA)
Wed 10/28
Wed 11/4
Any month
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Flight information for Chicago to Seattle

Find info about flight duration, direct flights, and airports for your flight from Chicago to Seattle
Best Price Found $76 The best flight deal from Chicago to Seattle found on momondo in the last 72 hours is $76
Fastest flight time 4h 32m The fastest flight from Chicago to Seattle takes 4h 32m.
Direct flights Th, Sa and Su Direct flights go from Chicago to Seattle on Thursday, Saturday and Sunday. Airlines offering direct flights are: Korean Air, Delta and Alaska Airlines.
Airports in Seattle 3 airports There are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

How to get the cheapest flight ticket from Chicago to Seattle

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 ticket for your trip
What is the cheapest month to fly to Seattle?
February
The cheapest time of year to fly to Seattle from Chicago is February. Most expensive is December
What is the cheapest day to fly to Seattle?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly to Seattle?
in the afternoon
Chicago to Seattle flights are approximately 18% more expensive in the morning than in the afternoon
What is the cheapest route?
Chicago O'Hare Intl - Seattle/Tacoma Intl
Fly from Chicago O'Hare Intl to Seattle/Tacoma Intl for the best Chicago - Seattle flight prices
When is the cheapest time to book a flight to Seattle?
60 days before
The cheapest time to buy a flight from Chicago to Seattle is approximately 60 days to departure
60
Days before departure
0

Easily compare round-trip flights from Chicago to Seattle

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Seattle by changing tabs
Cheapest
Best
Quickest
Spirit Airlines
Nov 4
ORD
Chicago O'Hare Intl
4h 15m
SEA
Seattle/Tacoma Intl
Nov 9
SEA
Seattle/Tacoma Intl
3h 40m
ORD
Chicago O'Hare Intl
Multiple Airlines
Nov 4
ORD
Chicago O'Hare Intl
4h 15m
SEA
Seattle/Tacoma Intl
Nov 9
SEA
Seattle/Tacoma Intl
22h 43m
1 stop
ORD
Chicago O'Hare Intl
Delta
Oct 29
ORD
Chicago O'Hare Intl
4h 34m
SEA
Seattle/Tacoma Intl
Nov 2
SEA
Seattle/Tacoma Intl
3h 50m
ORD
Chicago O'Hare Intl

Find the cheapest one-way flights from Chicago to Seattle

If you're looking for one-way flights from Chicago to Seattle, view some of our deals below provided by Spirit Airlines and Delta
Cheapest
Best
Quickest
Spirit Airlines
Nov 6
ORD
Chicago O'Hare Intl
4h 15m
SEA
Seattle/Tacoma Intl
Delta
Oct 24
ORD
Chicago O'Hare Intl
4h 34m
SEA
Seattle/Tacoma Intl
Multiple Airlines
Oct 3
ORD
Chicago O'Hare Intl
16h 04m
1 stop
SEA
Seattle/Tacoma Intl

Alternative routes for Chicago to Seattle

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Chicago to Spokane Flights
Fastest flight time
9h 30m
Cheapest price
$214
Chicago to Bellingham Flights
Fastest flight time
6h 44m
Cheapest price
$215

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