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Flights from Chicago to Seattle
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Find Chicago to Seattle flights starting at CAD 50.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        ORD17:00
        4h 49m
        Nonstop
        SEA19:49
        Wed, Dec 11|Chicago - Seattle|Alaska Airlines
        CAD 50CAD 570
        91% OFF
        91% OFF
        CAD 570CAD 50
      • ORD09:55
        4h 48m
        Nonstop
        SEA12:43
        Wed, Dec 11|Chicago - Seattle|American Airlines
        CAD 58CAD 570
        90% OFF
        90% OFF
        CAD 570CAD 58
      • ORD06:00
        4h 44m
        Nonstop
        SEA08:44
        Mon, Nov 25|Chicago - Seattle|Alaska Airlines
        CAD 61CAD 570
        89% OFF
        89% OFF
        CAD 570CAD 61
      • ORD07:00
        4h 38m
        Nonstop
        SEA09:38
        Tue, Nov 19|Chicago - Seattle|Alaska Airlines
        CAD 62
        CAD 62
      • ORD20:25
        4h 50m
        Nonstop
        SEA23:15
        Thu, Dec 5|Chicago - Seattle|American Airlines
        CAD 63
        CAD 63
      • ORD20:30
        5h 1m
        Nonstop
        SEA23:31
        Wed, Jan 1|Chicago - Seattle|American Airlines
        CAD 65
        CAD 65
      • ORD09:57
        4h 41m
        Nonstop
        SEA12:38
        Tue, Nov 19|Chicago - Seattle|American Airlines
        CAD 70
        CAD 70
      • ORD06:20
        4h 38m
        Nonstop
        SEA08:58
        Thu, Nov 14|Chicago - Seattle|Alaska Airlines
        CAD 424
        CAD 424
      • ORD20:35
        4h 50m
        Nonstop
        SEA23:25
        Thu, Nov 14|Chicago - Seattle|American Airlines
        CAD 467
        CAD 467
      • ORD07:00
        7h 50m
        1 stop
        SEA12:50
        Wed, Jan 1|Chicago - Seattle|Alaska Airlines
        CAD 43
        CAD 43
      • CHI13:00
        3h 5m
        Nonstop
        SEA14:00
        Thu, Nov 21|Chicago - Seattle|Alaska Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest time to fly from Chicago to Seattle?

We monitor flight fares to help you find the best deals effortlessly

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

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines
From CAD 43
American Airlines
From CAD 58
United Airlines
From CAD 74
Spirit Airlines
From CAD 95
Delta Air Lines
From CAD 114
Sun Country Airlines
From CAD 157
Southwest Airlines
From CAD 176
Frontier Airlines
From CAD 266
Jetblue Airways
From CAD 362

Find more flights and airlines

Alternative Routes for Chicago to Seattle Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Chicago to Seattle.

  • Cheapest
    Alaska Airlines
    ORD
    07:00
    7h 50m
    1 transfer
    SEA
    12:50
    O'Hare International Airport - Seattle-Tacoma International Airport
    Wed, Jan 1Alaska Airlines
    CAD 43
  • Frontier Airlines
    MDW
    22:27
    16h 43m
    1 transfer
    SEA
    13:10
    Midway International Airport - Seattle-Tacoma International Airport
    Wed, Jan 1Frontier Airlines
    CAD 266
  • Frontier Airlines
    MDW
    22:27
    16h 43m
    1 transfer
    SEA
    13:10
    Midway International Airport - Seattle-Tacoma International Airport
    Wed, Jan 1Frontier Airlines
    CAD 266
    Find More Flights

FAQ

  • 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 294.

  • How long is the flight from Chicago (CHI) to Seattle (SEA)?

    It takes about 4 hours 44 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.
    • The distance from Lake Union Sea Plane Base to downtown is about 2km, by taxi about 20 minutes.

  • What are the most popular airlines that fly from Chicago (CHI) to Seattle (SEA)?

  • 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)?

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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
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 priceCAD 42
Cheapest return ticket priceCAD 115
Off-season travel monthNovember
Peak season for travelAugust
Flight distance2,785.86km
Average flight time4 hours 44 minutes
Popular airlineAmerican Airlines

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