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Seattle-Tacoma International Airport to Chiang Mai International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Chiang Mai International Airport over the next 90 days, with one-way fares from US$419 and round-trip from US$762. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 10 | Korean Air
      US$419 US$551
      24% off
      24% off
      US$551 US$419
    • Cheapest
      SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Korean Air
      US$419 US$551
      24% off
      24% off
      US$551 US$419
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      US$423 US$551
      23% off
      23% off
      US$551 US$423
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      US$425
      23% off
      US$551 US$425
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      US$450
      18% off
      US$551 US$450
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Delta Air Lines
      US$454
      18% off
      US$551 US$454
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Thu, Nov 26 | EVA Air
      US$465
      16% off
      US$551 US$465
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Mon, Nov 9 | EVA Air
      US$466
      15% off
      US$551 US$466
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      US$471
      15% off
      US$551 US$471
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Dec 2 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sun, Dec 6 | Korean Air
      US$762 US$879
      13% off
      13% off
      US$879 US$762
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 10 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Tue, Nov 17 | Korean Air
      US$763 US$879
      13% off
      13% off
      US$879 US$763
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sat, Nov 7 | Korean Air
      US$763 US$879
      13% off
      13% off
      US$879 US$763
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sun, Nov 15 | Korean Air
      US$781
      11% off
      US$879 US$781
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Nov 28 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Thu, Dec 3 | Korean Air
      US$782
      11% off
      US$879 US$782
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 27 | Korean Air
      CNX 12:20 AM
      28h 50m
      1 stop
      SEA 2:10 PM
      Chiang Mai - Seattle | Tue, Dec 1 | Korean Air
      US$782
      11% off
      US$879 US$782
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 29 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sun, Dec 6 | Korean Air
      US$782
      11% off
      US$879 US$782
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 13 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Fri, Nov 20 | Korean Air
      US$782
      11% off
      US$879 US$782
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 12 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sun, Nov 15 | Korean Air
      US$782
      11% off
      US$879 US$782
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sat, Oct 31 | Normal Airline
      CNX 3:00 PM
      6h
      Nonstop
      SEA 4:00 PM
      Chiang Mai - Seattle | Mon, Nov 2 | Normal Airline
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      Find more flights
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      US$423 US$1,257
      66% off
      66% off
      US$1,257 US$423
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      US$425 US$1,257
      66% off
      66% off
      US$1,257 US$425
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Korean Air
      US$425 US$1,257
      66% off
      66% off
      US$1,257 US$425
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      US$450
      64% off
      US$1,257 US$450
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 25 | EVA Air
      US$467
      63% off
      US$1,257 US$467
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      US$471
      63% off
      US$1,257 US$471
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 13 | Korean Air
      US$484
      61% off
      US$1,257 US$484
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sat, Nov 7 | EVA Air
      US$507
      60% off
      US$1,257 US$507
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      US$509
      60% off
      US$1,257 US$509
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sat, Oct 31 | Normal Airline
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      Find more flights
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Dec 26 | Delta Air Lines
      US$736 US$1,977
      63% off
      63% off
      US$1,977 US$736
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 8 | Delta Air Lines
      US$811 US$1,977
      59% off
      59% off
      US$1,977 US$811
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 13 | Delta Air Lines
      US$1,011 US$1,977
      49% off
      49% off
      US$1,977 US$1,011
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 22 | Delta Air Lines
      US$1,012
      49% off
      US$1,977 US$1,012
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Dec 14 | Delta Air Lines
      US$1,016
      49% off
      US$1,977 US$1,016
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 24 | Delta Air Lines
      US$1,090
      45% off
      US$1,977 US$1,090
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 15 | Delta Air Lines
      US$1,124
      43% off
      US$1,977 US$1,124
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Delta Air Lines
      US$1,144
      42% off
      US$1,977 US$1,144
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 6 | Delta Air Lines
      US$1,189
      40% off
      US$1,977 US$1,189
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sat, Oct 31 | Normal Airline
      Find more flights
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    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      US$423 US$1,257
      66% off
      66% off
      US$1,257 US$423
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      US$425 US$1,257
      66% off
      66% off
      US$1,257 US$425
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      US$471 US$1,257
      63% off
      63% off
      US$1,257 US$471
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      US$509
      60% off
      US$1,257 US$509
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Fri, Oct 30 | EVA Air
      US$513
      59% off
      US$1,257 US$513
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      US$554
      56% off
      US$1,257 US$554
    • SEA 1:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Delta Air Lines
      US$555
      56% off
      US$1,257 US$555
    • SEA 1:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Korean Air
      US$599
      52% off
      US$1,257 US$599
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Delta Air Lines
      US$1,118
      11% off
      US$1,257 US$1,118
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sat, Oct 31 | Normal Airline
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Displayed flight fares from Seattle to Chiang Mai are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Chiang Mai International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Chiang Mai International Airport is Korean Air (from US$419) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From US$419
Frontier Airlines
From US$449
Delta Air Lines
From US$450
EVA Air
From US$465
Philippine Airlines
From US$467
Cathay Pacific
From US$472
Hainan Airlines
From US$479
STARLUX Airlines
From US$494
Singapore Airlines
From US$507
China Airlines
From US$509

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to Chiang Mai International Airport?

Check the schedule for flights from Seattle to Chiang Mai and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL197

    Seattle-Tacoma International Airport

    1:05 PM

    SEA

    10h 45m

    Nonstop

    4:50 PM

    ICN

    S M T W T F S
    Search

  2. DL7924

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  3. BR025

    Seattle-Tacoma International Airport

    1:30 AM

    SEA

    12h 30m

    Nonstop

    5:00 AM

    TPE

    S M T W T F S
    Search

  4. BR257

    Taiwan Taoyuan International Airport

    7:40 AM

    TPE

    3h 45m

    Nonstop

    10:25 AM

    CNX

    S M T W T F S

  5. BR023

    Seattle-Tacoma International Airport

    12:30 AM

    SEA

    12h 30m

    Nonstop

    4:00 AM

    TPE

    - M - W - F -
    Search

  6. BR257

    Taiwan Taoyuan International Airport

    7:40 AM

    TPE

    3h 45m

    Nonstop

    10:25 AM

    CNX

    S M T W T F S

  7. KE042

    Seattle-Tacoma International Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  8. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  9. KE3083

    Seattle-Tacoma International Airport

    7:20 AM

    SEA

    2h 23m

    Nonstop

    9:43 AM

    SFO

    S M T W T F S
    Search

  10. KE024

    San Francisco International Airport

    12:40 PM

    SFO

    12h 40m

    Nonstop

    5:20 PM

    ICN

    S M T W T F S

  11. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  12. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    S M T - T F -
    Search

  13. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  14. SQ027

    Seattle-Tacoma International Airport

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    - M T W T F S
    Search

  15. SQ720

    Singapore Changi Airport

    6:35 PM

    SIN

    2h 25m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  16. FD4100

    Suvarnabhumi Airport

    7:05 AM

    BKK

    1h 20m

    Nonstop

    8:25 AM

    CNX

    S M T W T F S

  17. SQ027

    Seattle-Tacoma International Airport

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    - M T W T F S
    Search

  18. SQ720

    Singapore Changi Airport

    6:35 PM

    SIN

    2h 25m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  19. VZ114

    Suvarnabhumi Airport

    7:35 AM

    BKK

    1h 25m

    Nonstop

    9:00 AM

    CNX

    S M T W T F S

  20. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  21. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  22. VZ118

    Suvarnabhumi Airport

    8:35 PM

    BKK

    1h 25m

    Nonstop

    10:00 PM

    CNX

    S M T - - - S

  23. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  24. PR740

    Ninoy Aquino International Airport

    6:25 AM

    MNL

    3h 30m

    Nonstop

    8:55 AM

    BKK

    S M T W T F S

  25. VZ118

    Suvarnabhumi Airport

    8:35 PM

    BKK

    1h 25m

    Nonstop

    10:00 PM

    CNX

    S M T - - - S
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About Seattle-Tacoma International Airport and Chiang Mai International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Chiang Mai International Airport (CNX) — including location, terminals, transportation, and travel tips.

Flight distance 11,592.66 km
Cheapest one-way ticket price US$419
Cheapest return ticket price US$762

FAQs for Seattle-Tacoma International Airport to Chiang Mai International Airport Flights

  • 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 3 km. It takes about 20 minutes by taxi.
  • The closest airport to Chiang Mai International Airport (CNX) is Lampang Airport. The distance is around 78 km.
  • One-way flights from Seattle-Tacoma International Airport to Chiang Mai International Airport currently start from US$419, and round-trip fares start from US$762. The current lowest fare is a Korean Air flight departing on Tue, Nov 10; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Chiang Mai International Airport is US$690. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle-Tacoma International Airport and Chiang Mai International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.