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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 AU$596 and round-trip from AU$1,083. 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 | Mon, Nov 16 | Korean Air
      AU$596 AU$921
      35% off
      35% off
      AU$921 AU$596
    • Cheapest
      SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 15 | Korean Air
      AU$596 AU$921
      35% off
      35% off
      AU$921 AU$596
    • SEA 12:10 AM
      31h 35m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 8 | Korean Air
      AU$602 AU$921
      35% off
      35% off
      AU$921 AU$602
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Korean Air
      AU$607
      34% off
      AU$921 AU$607
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 15 | Delta Air Lines
      AU$640
      31% off
      AU$921 AU$640
    • SEA 1:10 AM
      19h 15m
      1 stop
      CNX 10:25 AM
      Seattle - Chiang Mai | Sun, Nov 1 | China Airlines
      AU$653
      28% off
      AU$921 AU$653
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Dec 2 | EVA Air
      AU$660
      28% off
      AU$921 AU$660
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Mon, Nov 16 | EVA Air
      AU$661
      28% off
      AU$921 AU$661
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 15 | EVA Air
      AU$661
      28% off
      AU$921 AU$661
    • 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 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
      AU$1,083 AU$1,522
      28% off
      28% off
      AU$1,522 AU$1,083
    • 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
      AU$1,085 AU$1,522
      28% off
      28% off
      AU$1,522 AU$1,085
    • 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
      AU$1,085 AU$1,522
      28% off
      28% off
      AU$1,522 AU$1,085
    • 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
      AU$1,110
      27% off
      AU$1,522 AU$1,110
    • 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
      AU$1,111
      27% off
      AU$1,522 AU$1,111
    • 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
      AU$1,111
      27% off
      AU$1,522 AU$1,111
    • 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
      AU$1,111
      27% off
      AU$1,522 AU$1,111
    • 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
      AU$1,111
      27% off
      AU$1,522 AU$1,111
    • 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
      AU$1,111
      27% off
      AU$1,522 AU$1,111
    • 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
      AU$604 AU$2,180
      72% off
      72% off
      AU$2,180 AU$604
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Tue, Nov 3 | Korean Air
      AU$607 AU$2,180
      72% off
      72% off
      AU$2,180 AU$607
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Nov 9 | Delta Air Lines
      AU$640 AU$2,180
      71% off
      71% off
      AU$2,180 AU$640
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 25 | EVA Air
      AU$664
      70% off
      AU$2,180 AU$664
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Nov 13 | Korean Air
      AU$688
      68% off
      AU$2,180 AU$688
    • SEA 11:30 PM
      20h 5m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sat, Nov 7 | EVA Air
      AU$714
      67% off
      AU$2,180 AU$714
    • SEA 11:00 AM
      20h 45m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Nov 5 | Delta Air Lines
      AU$723
      67% off
      AU$2,180 AU$723
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      AU$788
      64% off
      AU$2,180 AU$788
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      AU$858
      61% off
      AU$2,180 AU$858
    • 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 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sat, Dec 26 | Delta Air Lines
      AU$1,046 AU$3,425
      69% off
      69% off
      AU$3,425 AU$1,046
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 8 | Delta Air Lines
      AU$1,152 AU$3,425
      66% off
      66% off
      AU$3,425 AU$1,152
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 13 | Delta Air Lines
      AU$1,436 AU$3,425
      57% off
      57% off
      AU$3,425 AU$1,436
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 22 | Delta Air Lines
      AU$1,440
      57% off
      AU$3,425 AU$1,440
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Mon, Dec 14 | Delta Air Lines
      AU$1,443
      57% off
      AU$3,425 AU$1,443
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 24 | Delta Air Lines
      AU$1,548
      55% off
      AU$3,425 AU$1,548
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Tue, Dec 15 | Delta Air Lines
      AU$1,597
      53% off
      AU$3,425 AU$1,597
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Thu, Dec 3 | Delta Air Lines
      AU$1,625
      53% off
      AU$3,425 AU$1,625
    • SEA 12:35 PM
      19h 10m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Dec 6 | Delta Air Lines
      AU$1,690
      51% off
      AU$3,425 AU$1,690
    • 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
      AU$607 AU$2,180
      72% off
      72% off
      AU$2,180 AU$607
    • SEA 1:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Fri, Oct 30 | Delta Air Lines
      AU$768 AU$2,180
      65% off
      65% off
      AU$2,180 AU$768
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Sun, Nov 1 | EVA Air
      AU$788 AU$2,180
      64% off
      64% off
      AU$2,180 AU$788
    • SEA 11:00 AM
      20h 55m
      1 stop
      CNX 10:55 PM
      Seattle - Chiang Mai | Wed, Nov 4 | Korean Air
      AU$858
      61% off
      AU$2,180 AU$858
    • SEA 1:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Fri, Oct 30 | EVA Air
      AU$938
      56% off
      AU$2,180 AU$938
    • SEA 12:10 AM
      19h 25m
      1 stop
      CNX 10:35 AM
      Seattle - Chiang Mai | Wed, Nov 4 | EVA Air
      AU$1,137
      48% off
      AU$2,180 AU$1,137
    • SEA 12:30 PM
      19h 15m
      1 stop
      CNX 10:45 PM
      Seattle - Chiang Mai | Sun, Nov 1 | Delta Air Lines
      AU$1,591
      27% off
      AU$2,180 AU$1,591
    • 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 AU$596) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From AU$596
Delta Air Lines
From AU$640
China Airlines
From AU$653
Hainan Airlines
From AU$657
EVA Air
From AU$660
Philippine Airlines
From AU$668
STARLUX Airlines
From AU$696
Singapore Airlines
From AU$720
Air Canada
From AU$738
Cathay Pacific
From AU$758

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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

    7:30 AM

    TPE

    4h 5m

    Nonstop

    10:35 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

    7:30 AM

    TPE

    4h 5m

    Nonstop

    10:35 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. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  10. PR740

    Ninoy Aquino International Airport

    6:25 AM

    MNL

    3h 30m

    Nonstop

    8:55 AM

    BKK

    S M T W T F S

  11. FD3445

    Don Mueang International Airport

    2:35 PM

    DMK

    1h 20m

    Nonstop

    3:55 PM

    CNX

    S M T W T F S

  12. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search

  13. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  14. VZ108

    Suvarnabhumi Airport

    3:50 PM

    BKK

    1h 25m

    Nonstop

    5:15 PM

    CNX

    S M T W T F S

  15. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    S M T - T F -
    Search

  16. KE683

    Incheon International Airport

    6:45 PM

    ICN

    6h

    Nonstop

    10:45 PM

    CNX

    S M T W T F S

  17. AS1364

    Seattle-Tacoma International Airport

    12:40 PM

    SEA

    2h 17m

    Nonstop

    2:57 PM

    SFO

    - M - - - F -
    Search

  18. CI003

    San Francisco International Airport

    3:00 AM

    SFO

    13h 30m

    Nonstop

    7:30 AM

    TPE

    S M T W T F S

  19. CI851

    Taiwan Taoyuan International Airport

    7:30 AM

    TPE

    3h 50m

    Nonstop

    10:20 AM

    CNX

    S M T W T F S

  20. HU496

    Seattle-Tacoma International Airport

    11:20 AM

    SEA

    13h 30m

    Nonstop

    3:50 PM

    PEK

    - M - - - F -
    Search

  21. HU7995

    Beijing Capital International Airport

    7:00 PM

    PEK

    5h 25m

    Nonstop

    11:25 PM

    BKK

    - - T - T - S

  22. VZ114

    Suvarnabhumi Airport

    7:35 AM

    BKK

    1h 25m

    Nonstop

    9:00 AM

    CNX

    S M T W T F S

  23. CX833

    Seattle-Tacoma International Airport

    10:25 AM

    SEA

    14h 20m

    Nonstop

    4:45 PM

    HKG

    S M T W - F -
    Search

  24. CX5756

    Hong Kong International Airport

    7:50 AM

    HKG

    3h

    Nonstop

    9:50 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 AU$596
Cheapest return ticket price AU$1,083

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 AU$596, and round-trip fares start from AU$1,083. The current lowest fare is a Korean Air flight departing on Mon, Nov 16; 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 AU$891. 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.