Cheap Flights from Chicago to Seattle from CAD 71️ 2024

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Find Chicago to Seattle flights starting at CAD 71.

Book one-way or return flights from Chicago to Seattle from as little as CAD 71. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Chicago to Seattle? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Chicago to Seattle. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Chicago to Seattle

View airlines operating flights from Chicago to Seattle. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines

From CAD 71

Allegiant Air

From CAD 153

United Airlines

From CAD 156

Southwest Airlines

From CAD 164

Sun Country Airlines

From CAD 168

Frontier Airlines

From CAD 274

Spirit Airlines

From CAD 299

Jetblue Airways

From CAD 306

Delta Air Lines

From CAD 385

American Airlines

From CAD 390

ANA airlines

Find more flights and airlines

Alternative Routes for Chicago to Seattle Flights

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Chicago to Seattle.

Cheapest
RFD
21:54
13h 26m
1 transfer
SEA
09:20
Chicago Rockford International Airport - Seattle-Tacoma International Airport
Fri, May 3Allegiant Air
CAD 153
MDW
05:30
16h 17m
1 transfer
SEA
19:47
Midway International Airport - Seattle-Tacoma International Airport
Wed, May 1Frontier Airlines
CAD 274
ORD
06:10
4h 36m
Direct
SEA
08:46
O'Hare International Airport - Seattle-Tacoma International Airport
Wed, May 1Delta Air Lines
CAD 385
ORD
06:10
4h 36m
Direct
SEA
08:46
O'Hare International Airport - Seattle-Tacoma International Airport
Wed, May 1Delta Air Lines
CAD 385
Find More Flights

How do I find the cheapest flights?

When are flight tickets from Chicago (CHI) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Chicago to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Chicago (CHI) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around CAD 381.
How long is the flight from Chicago (CHI) to Seattle (SEA)?
It takes about 4 hours 42 minutes to fly from Chicago (CHI) to Seattle (SEA).
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
What are the most popular airlines that fly from Chicago (CHI) to Seattle (SEA)?
Airlines with flights from Chicago (CHI) to Seattle (SEA): Alaska Airlines, Air Tahiti Nui, American Airlines, United Airlines, Qatar Airways, Southwest Airlines, Royal Jordanian, Austrian Airlines, Lufthansa, Malaysia Airlines, Swiss Airlines, Turkish Airlines and Brussels Airlines.
What's the most popular airline for direct flights from Chicago (CHI) to Seattle (SEA)?
Delta Air Lines operates 1 direct flights from Chicago (CHI) to Seattle (SEA).
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle-Tacoma International Airport.

How to find a cheap flight from Chicago to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Seattle. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information for Chicago to Seattle Flights

Cheapest direct flight price	CAD 71
Cheapest return ticket price	CAD 125
Cheapest month	December
Peak season for travel	October
Flight distance	2,785.86km
Average flight time	4 hours 42 minutes
Popular airline	American Airlines