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Cheap flights from Chicago to Seattle
Round-trip
Economy
Flight information for Chicago to Seattle
(CHI to SEA)
Find info about flight duration, direct flights, and airports for your flight from Chicago to Seattle
| Best Price Found | $159 | The best flight deal from Chicago to Seattle found on momondo in the last 72 hours is $159 |
| Fastest flight time | 4h 30m | The fastest flight from Chicago to Seattle takes 4h 30m |
| Direct flights | Tu, We, Th and Fr | Direct flights go from Chicago to Seattle on Tuesday, Wednesday, Thursday and Friday. The only airline offering direct flights is 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 from Chicago to Seattle?
August
The cheapest time of year to fly to Seattle from Chicago is August. Most expensive is December
What is the cheapest day to depart Chicago for Seattle?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly from Chicago to Seattle?
in the afternoon
Chicago to Seattle flights are approximately 9% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Seattle from Chicago?
Frontier
Frontier, Sun Country Air, and Spirit Airlines are the most popular carriers operating from Chicago to Seattle
What is the cheapest Chicago to Seattle flight 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
How far in advance should you book Chicago to Seattle flights?
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
United Airlines![United Airlines]()
Jun 7![United Airlines]()
Jun 11
ORD3:40 pmChicago O'Hare Intl
4h 29m
SEA8:09 pmSeattle/Tacoma Intl
SEA7:55 pmSeattle/Tacoma Intl
4h 03m
ORD11:58 pmChicago O'Hare Intl
Multiple Airlines![Multiple Airlines]()
Jun 4![Multiple Airlines]()
Jun 20
ORD3:25 pmChicago O'Hare Intl
4h 34m
SEA7:59 pmSeattle/Tacoma Intl
SEA2:00 pmSeattle/Tacoma Intl
3h 59m
ORD5:59 pmChicago 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
Best airlines flying from Chicago to Seattle
Compare and see reviews for airlines that fly from Chicago to Seattle with momondo
AirlineFree CancellationPrice
PriceFrom $86
Free Cancellation
Reviews
Pros: Accommodated to an earlier flight without questions asked.
Cons: Always been a delight!
1 / 10
PriceFrom $86
Free Cancellation
Reviews
Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.
1 / 10
PriceFrom $90
Free Cancellation
Reviews
Pros: everything
Cons: nono
1 / 10
PriceFrom $92
Free Cancellation
Reviews
Cons: Everything is ok
1 / 10
PriceFrom $94
Free Cancellation
Reviews
Cons: Too many of the passengers were out of control
1 / 10
PriceFrom $105
Free Cancellation
Reviews
Pros: Yes made sure mask was in place
Cons: No
1 / 10
Which airlines flying from Chicago to Seattle/Tacoma Intl have COVID-19 safety policies in place?
Many airlines have put safety measures in place to reduce the spread of COVID-19. One is Alaska Airlines. Usage of HEPA filters, scheduled sanitation, enhanced cleaning of aircrafts, pre-flight testing, and mask policies are some of the implemented practices made by airlines to help keep you safe as you depart from Chicago to Seattle/Tacoma Intl. Keep in mind that policies will vary by airline.
Are airlines flying from Chicago to Seattle/Tacoma Intl offering flexible cancellation due to COVID-19?
To ease the stress of booking flights, some of our airline partners flying from Chicago to Seattle/Tacoma Intl are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: Delta, Alaska Airlines, and United Airlines.
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
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