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Cheap Flights from Seattle to Chiang Mai starting at S$ 803

Book one-way or return flights from Seattle to Chiang Mai from as little as S$ 803. 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.

Cheapest time to fly from Seattle to Chiang Mai

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Seattle to Chiang Mai

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

Delta Air Lines
From S$ 681
United Airlines
From S$ 732
Alaska Airlines
From S$ 748
Asiana Airlines
From S$ 803
American Airlines
From S$ 806
Eva Air
From S$ 875
Korean Air
From S$ 899
Turkish Airlines
From S$ 911
Singapore Airlines
From S$ 919
Thai Airways
From S$ 971
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Chiang Mai

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

  • Cheapest
    Delta Air Lines
    SEA
    06:15
    42h 30m
    2 transfer
    CNX
    14:45
    Seattle-Tacoma International Airport - Chiang Mai International Airport
    Sun, Apr 21Delta Air Lines
    S$ 681
  • Delta Air Lines
    SEA
    06:15
    42h 30m
    2 transfer
    CNX
    14:45
    Seattle-Tacoma International Airport - Chiang Mai International Airport
    Sun, Apr 21Delta Air Lines
    S$ 681
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Seattle (SEA) to Chiang Mai (CNX) the cheapest?

    Airlines adjust prices for flights from Seattle to Chiang Mai 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 is a flight from Seattle (SEA) to Chiang Mai (CNX) cost?

    According to Trip.com's data, the lowest price is around S$ 2,820.
  • What is the transportation method from the main airport to downtown in Chiang Mai?

    • The distance from Chiang Mai International Airport to downtown is about 3km, by taxi about 20 minutes.
  • How many airports in Chiang Mai?

    There are 1 airports near Chiang Mai: Chiang Mai International Airport.

Find cheapest flight ticket from Seattle to Chiang Mai

Cheapest direct flight price

S$ 802

Cheapest month

March

Peak season for travel

September