Cheap flights from Chicago to Seattle

1 adult
0 bags
Sat 20/8
Sat 27/8

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

Fastest flight time

4h 34m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Seattle

3 airports
The fastest flight from Chicago to Seattle takes 4h 34m
Direct flights go from Chicago to Seattle on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
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?


The cheapest time of year to fly to Seattle from Chicago is February. The most expensive is June.

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

  • How far is Chicago to Seattle/Tacoma Intl by plane?

    Chicago and Seattle/Tacoma Intl are 2787,8 km apart from one another.

Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Chicago.

Flights from Chicago to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Seattle.

Of course. momondo tracks the price of Chicago to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

Here's why travellers choose to use momondo
Flexible Travel
momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.
Expert Insights
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