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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 €377 and round-trip from €685. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Nov 10 | Korean Air
      €377 €618
      39% off
      39% off
      €618 €377
    • Cheapest
      SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Korean Air
      €377 €618
      39% off
      39% off
      €618 €377
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      €384 €618
      38% off
      38% off
      €618 €384
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      €405
      34% off
      €618 €405
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Thu, Nov 26 | EVA Air
      €417
      33% off
      €618 €417
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Tue, Nov 10 | EVA Air
      €418
      32% off
      €618 €418
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Mon, Nov 9 | EVA Air
      €418
      32% off
      €618 €418
    • SEA 10:25 AM
      32h 25m
      1 stop
      CNX 9:50 AM
      Seattle - Chiang Mai | Mon, Nov 2 | Cathay Pacific
      €421
      32% off
      €618 €421
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Thu, Nov 5 | EVA Air
      €436
      28% off
      €618 €436
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Normal Airline
      Find more flights
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    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 8 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Tue, Dec 15 | Korean Air
      €685 €962
      28% off
      28% off
      €962 €685
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 16 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Mon, Nov 23 | Korean Air
      €686 €962
      28% off
      28% off
      €962 €686
    • 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 | Fri, Nov 13 | Korean Air
      €686 €962
      28% off
      28% off
      €962 €686
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 15 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sat, Nov 21 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Dec 4 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Wed, Dec 9 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Korean Air
      CNX 12:20 AM
      28h 50m
      1 stop
      SEA 2:10 PM
      Chiang Mai - Seattle | Mon, Dec 7 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Dec 5 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sat, Dec 12 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 19 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Thu, Nov 26 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Wed, Nov 18 | Korean Air
      CNX 12:20 AM
      23h 45m
      1 stop
      SEA 9:05 AM
      Chiang Mai - Seattle | Sat, Nov 21 | Korean Air
      €702
      27% off
      €962 €702
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Normal Airline
      CNX 3:00 PM
      6h
      Nonstop
      SEA 4:00 PM
      Chiang Mai - Seattle | Sun, Nov 1 | Normal Airline
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    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Korean Air
      €382 €1,551
      75% off
      75% off
      €1,551 €382
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      €384 €1,551
      75% off
      75% off
      €1,551 €384
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      €405 €1,551
      74% off
      74% off
      €1,551 €405
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 25 | EVA Air
      €420
      73% off
      €1,551 €420
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 13 | Korean Air
      €435
      72% off
      €1,551 €435
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sat, Nov 7 | EVA Air
      €451
      71% off
      €1,551 €451
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      €457
      71% off
      €1,551 €457
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Fri, Oct 30 | EVA Air
      €497
      68% off
      €1,551 €497
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      €499
      68% off
      €1,551 €499
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Fri, Oct 30 | 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
      €662 €2,165
      69% off
      69% off
      €2,165 €662
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 8 | Delta Air Lines
      €729 €2,165
      66% off
      66% off
      €2,165 €729
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 13 | Delta Air Lines
      €908 €2,165
      57% off
      57% off
      €2,165 €908
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 22 | Delta Air Lines
      €910
      57% off
      €2,165 €910
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Dec 14 | Delta Air Lines
      €913
      57% off
      €2,165 €913
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 24 | Delta Air Lines
      €979
      55% off
      €2,165 €979
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 15 | Delta Air Lines
      €1,010
      53% off
      €2,165 €1,010
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Delta Air Lines
      €1,028
      53% off
      €2,165 €1,028
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 6 | Delta Air Lines
      €1,068
      51% off
      €2,165 €1,068
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Normal Airline
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    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      €384 €1,551
      75% off
      75% off
      €1,551 €384
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Fri, Oct 30 | EVA Air
      €497 €1,551
      68% off
      68% off
      €1,551 €497
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      €499 €1,551
      68% off
      68% off
      €1,551 €499
    • SEA 1:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Delta Air Lines
      €529
      66% off
      €1,551 €529
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      €542
      65% off
      €1,551 €542
    • SEA 1:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Korean Air
      €564
      64% off
      €1,551 €564
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      €719
      54% off
      €1,551 €719
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Delta Air Lines
      €1,132
      27% off
      €1,551 €1,132
    • SEA 1:00 PM
      17h 25m
      1 stop
      CNX 2:00 PM
      Seattle - Chiang Mai | Fri, Oct 30 | 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 €377) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From €377
Delta Air Lines
From €405
Hainan Airlines
From €410
EVA Air
From €417
Philippine Airlines
From €420
China Airlines
From €438
STARLUX Airlines
From €440
Cathay Pacific
From €450
Singapore Airlines
From €456
Air Canada
From €467

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. JX031

    Seattle-Tacoma International Airport

    12:45 AM

    SEA

    13h 10m

    Nonstop

    4:55 AM

    TPE

    S M T W T F S
    Search

  10. JX751

    Taiwan Taoyuan International Airport

    1:05 PM

    TPE

    3h 55m

    Nonstop

    4:00 PM

    CNX

    - M - W - F -

  11. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  12. PR740

    Ninoy Aquino International Airport

    6:25 AM

    MNL

    3h 30m

    Nonstop

    8:55 AM

    BKK

    S M T W T F S

  13. FD3445

    Don Mueang International Airport

    2:35 PM

    DMK

    1h 20m

    Nonstop

    3:55 PM

    CNX

    S M T W T F S

  14. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  15. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  16. VZ108

    Suvarnabhumi Airport

    3:50 PM

    BKK

    1h 25m

    Nonstop

    5:15 PM

    CNX

    S M T W T F S

  17. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    S M T - T F -
    Search

  18. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  19. AS1364

    Seattle-Tacoma International Airport

    12:40 PM

    SEA

    2h 17m

    Nonstop

    2:57 PM

    SFO

    - M - - - F -
    Search

  20. CI003

    San Francisco International Airport

    3:00 AM

    SFO

    13h 30m

    Nonstop

    7:30 AM

    TPE

    S M T W T F S

  21. CI851

    Taiwan Taoyuan International Airport

    7:30 AM

    TPE

    3h 50m

    Nonstop

    10:20 AM

    CNX

    S M T W T F S

  22. HU496

    Seattle-Tacoma International Airport

    11:20 AM

    SEA

    13h 30m

    Nonstop

    3:50 PM

    PEK

    - M - - - F -
    Search

  23. HU7995

    Beijing Capital International Airport

    7:00 PM

    PEK

    5h 25m

    Nonstop

    11:25 PM

    BKK

    - - - - T - S

  24. VZ114

    Suvarnabhumi Airport

    7:35 AM

    BKK

    1h 25m

    Nonstop

    9:00 AM

    CNX

    S M T W T F 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 €377
Cheapest return ticket price €685

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 €377, and round-trip fares start from €685. 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 €563. 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.