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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 €375 and round-trip from €683. 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 | Wed, Nov 11 | Korean Air
      €375 €610
      39% off
      39% off
      €610 €375
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 10 | Korean Air
      €376 €610
      38% off
      38% off
      €610 €376
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Korean Air
      €379 €610
      38% off
      38% off
      €610 €379
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      €380
      38% off
      €610 €380
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 10 | Delta Air Lines
      €404
      34% off
      €610 €404
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Delta Air Lines
      €407
      33% off
      €610 €407
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Fri, Nov 27 | EVA Air
      €416
      32% off
      €610 €416
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Tue, Nov 10 | EVA Air
      €417
      32% off
      €610 €417
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Thu, Nov 5 | EVA Air
      €422
      31% off
      €610 €422
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Mon, Dec 7 | Korean Air
      €683 €973
      30% off
      30% off
      €973 €683
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 11 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Wed, Nov 18 | Korean Air
      €684 €973
      30% off
      30% off
      €973 €684
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sun, Nov 8 | Korean Air
      €684 €973
      30% off
      30% off
      €973 €684
    • 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 | Mon, Nov 16 | Korean Air
      €700
      28% off
      €973 €700
    • SEA 12:10 AM
      31h 35m
      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 | Fri, Dec 4 | Korean Air
      €700
      28% off
      €973 €700
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Nov 28 | Korean Air
      CNX 12:20 AM
      28h 50m
      1 stop
      SEA 2:10 PM
      Chiang Mai - Seattle | Wed, Dec 2 | Korean Air
      €700
      28% off
      €973 €700
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 30 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Mon, Dec 7 | Korean Air
      €700
      28% off
      €973 €700
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Nov 14 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sat, Nov 21 | Korean Air
      €700
      28% off
      €973 €700
    • 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 | Mon, Nov 16 | Korean Air
      €700
      28% off
      €973 €700
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Normal Airline
      CNX 3:00 PM
      6h
      Nonstop
      SEA 4:00 PM
      Chiang Mai - Seattle | Tue, Nov 3 | 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
      €379 €1,642
      77% off
      77% off
      €1,642 €379
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      €380 €1,642
      77% off
      77% off
      €1,642 €380
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Korean Air
      €381 €1,642
      77% off
      77% off
      €1,642 €381
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      €404
      75% off
      €1,642 €404
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 25 | EVA Air
      €419
      74% off
      €1,642 €419
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      €422
      74% off
      €1,642 €422
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 13 | Korean Air
      €434
      74% off
      €1,642 €434
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sat, Nov 7 | EVA Air
      €454
      72% off
      €1,642 €454
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      €456
      72% off
      €1,642 €456
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Dec 26 | Delta Air Lines
      €660 €2,189
      70% off
      70% off
      €2,189 €660
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 8 | Delta Air Lines
      €727 €2,189
      67% off
      67% off
      €2,189 €727
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 13 | Delta Air Lines
      €906 €2,189
      59% off
      59% off
      €2,189 €906
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 22 | Delta Air Lines
      €907
      59% off
      €2,189 €907
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Dec 14 | Delta Air Lines
      €910
      57% off
      €2,189 €910
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 24 | Delta Air Lines
      €976
      55% off
      €2,189 €976
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 15 | Delta Air Lines
      €1,007
      54% off
      €2,189 €1,007
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Delta Air Lines
      €1,025
      53% off
      €2,189 €1,025
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 6 | Delta Air Lines
      €1,065
      51% off
      €2,189 €1,065
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      €379 €1,399
      73% off
      73% off
      €1,399 €379
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      €380 €1,399
      73% off
      73% off
      €1,399 €380
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      €422 €1,399
      70% off
      70% off
      €1,399 €422
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      €456
      67% off
      €1,399 €456
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      €506
      64% off
      €1,399 €506
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Delta Air Lines
      €1,007
      28% off
      €1,399 €1,007
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Normal Airline
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      Find more flights

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 €375) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From €375
Frontier Airlines
From €403
Delta Air Lines
From €404
EVA Air
From €416
Philippine Airlines
From €419
Cathay Pacific
From €423
Hainan Airlines
From €429
STARLUX Airlines
From €443
Singapore Airlines
From €454
China Airlines
From €456

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. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    S M T - T F -
    Search

  10. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  11. CX833

    Seattle-Tacoma International Airport

    10:25 AM

    SEA

    14h 20m

    Nonstop

    4:45 PM

    HKG

    S M T W - F -
    Search

  12. CX5756

    Hong Kong International Airport

    7:50 AM

    HKG

    3h

    Nonstop

    9:50 AM

    CNX

    S M T W T F S

  13. SQ027

    Seattle-Tacoma International Airport

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    - M T W T F S
    Search

  14. SQ720

    Singapore Changi Airport

    6:35 PM

    SIN

    2h 25m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  15. FD4100

    Suvarnabhumi Airport

    7:05 AM

    BKK

    1h 20m

    Nonstop

    8:25 AM

    CNX

    S M T W T F S

  16. SQ027

    Seattle-Tacoma International Airport

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    - M T W T F S
    Search

  17. SQ720

    Singapore Changi Airport

    6:35 PM

    SIN

    2h 25m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  18. VZ114

    Suvarnabhumi Airport

    7:35 AM

    BKK

    1h 25m

    Nonstop

    9:00 AM

    CNX

    S M T W T F S

  19. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  20. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  21. VZ118

    Suvarnabhumi Airport

    3:15 PM

    BKK

    1h 25m

    Nonstop

    4:40 PM

    CNX

    S M T W - - S

  22. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  23. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  24. VZ104

    Suvarnabhumi Airport

    5:20 PM

    BKK

    1h 25m

    Nonstop

    6:45 PM

    CNX

    - M - W - F S
Find more flights and airlines

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 €375
Cheapest return ticket price €683

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 €375, and round-trip fares start from €683. The current lowest fare is a Korean Air flight departing on Wed, Nov 11; 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 €618. 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.