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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 direct
        ORD17:00
        4h 49m
        Nonstop
        SEA19:49
        Wed, Dec 11|Chicago - Seattle|Alaska Airlines
        CAD 50CAD 485
        90% OFF
        90% OFF
        CAD 485CAD 50
      • ORD09:55
        4h 48m
        Nonstop
        SEA12:43
        Wed, Dec 11|Chicago - Seattle|American Airlines
        CAD 58CAD 485
        88% OFF
        88% OFF
        CAD 485CAD 58
      • ORD06:00
        4h 44m
        Nonstop
        SEA08:44
        Mon, Nov 25|Chicago - Seattle|Alaska Airlines
        CAD 61CAD 485
        88% OFF
        88% OFF
        CAD 485CAD 61
      • ORD06:20
        4h 38m
        Nonstop
        SEA08:58
        Thu, Nov 14|Chicago - Seattle|Alaska Airlines
        CAD 61
        CAD 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
      • ORD20:35
        4h 50m
        Nonstop
        SEA23:25
        Thu, Nov 14|Chicago - Seattle|American Airlines
        CAD 69
        CAD 69
      • ORD09:57
        4h 41m
        Nonstop
        SEA12:38
        Tue, Nov 19|Chicago - Seattle|American Airlines
        CAD 70
        CAD 70
      • ORD20:30
        5h 1m
        Nonstop
        SEA23:31
        Wed, Jan 1|Chicago - Seattle|American Airlines
        CAD 318
        CAD 318
      • ORD07:00
        4h 38m
        Nonstop
        SEA09:38
        Tue, Nov 12|Chicago - Seattle|Alaska Airlines
        CAD 436
        CAD 436
      • CHI13:00
        3h 5m
        Nonstop
        SEA14:00
        Tue, Nov 19|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.

American Airlines
From CAD 58
Frontier Airlines
From CAD 68
Spirit Airlines
From CAD 93
Delta Air Lines
From CAD 116
Sun Country Airlines
From CAD 156
Southwest Airlines
From CAD 176
Alaska Airlines
From CAD 230
United Airlines
From CAD 368

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
    Frontier Airlines
    MDW
    22:27
    16h 43m
    1 transfer
    SEA
    13:10
    Midway International Airport - Seattle-Tacoma International Airport
    Wed, Jan 1Frontier Airlines
    CAD 68
  • 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 230
  • 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 230
    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 49
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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