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Seattle-Tacoma International Airport to Suvarnabhumi Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport over the next 90 days, with one-way fares from NZD 608 and round-trip from NZD 1,150. Based on Trip.com's latest 7-day flight data.

      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sat, Nov 14 | Singapore Airlines
        BKK 3:45 PM
        30h 20m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Mon, Nov 16 | Singapore Airlines
        NZD 1,150 NZD 1,791
        36% off
        36% off
        NZD 1,791 NZD 1,150
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sat, Nov 21 | Singapore Airlines
        BKK 12:00 PM
        34h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Mon, Nov 23 | Singapore Airlines
        NZD 1,151 NZD 1,791
        36% off
        36% off
        NZD 1,791 NZD 1,151
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Tue, Nov 17 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Nov 21 | Singapore Airlines
        NZD 1,164 NZD 1,791
        35% off
        35% off
        NZD 1,791 NZD 1,164
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Wed, Dec 2 | Singapore Airlines
        BKK 8:00 PM
        26h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Dec 5 | Singapore Airlines
        NZD 1,180
        34% off
        NZD 1,791 NZD 1,180
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Thu, Dec 3 | Singapore Airlines
        BKK 6:10 PM
        27h 55m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Dec 5 | Singapore Airlines
        NZD 1,180
        34% off
        NZD 1,791 NZD 1,180
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Thu, Nov 19 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Mon, Nov 23 | Singapore Airlines
        NZD 1,200
        33% off
        NZD 1,791 NZD 1,200
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Sun, Dec 6 | Singapore Airlines
        BKK 8:00 PM
        26h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Wed, Dec 9 | Singapore Airlines
        NZD 1,209
        32% off
        NZD 1,791 NZD 1,209
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sat, Dec 5 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Fri, Dec 11 | Singapore Airlines
        NZD 1,220
        32% off
        NZD 1,791 NZD 1,220
      • SEA 8:40 AM
        38h 55m
        1 stop
        BKK 2:35 PM
        Seattle - Bangkok | Tue, Dec 1 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Dec 5 | Singapore Airlines
        NZD 1,283
        28% off
        NZD 1,791 NZD 1,283
      • SEA 8:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Wed, Nov 18 | Singapore Airlines
        BKK 12:00 PM
        34h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Nov 21 | Singapore Airlines
        NZD 1,288
        28% off
        NZD 1,791 NZD 1,288
      • SEA 9:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Sat, Oct 31 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Nov 7 | Singapore Airlines
        NZD 1,297
        28% off
        NZD 1,791 NZD 1,297
      • SEA 8:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Sun, Nov 15 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Sat, Nov 21 | Singapore Airlines
        NZD 1,307
        27% off
        NZD 1,791 NZD 1,307
      • SEA 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Seattle - Bangkok | Tue, Oct 13 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Bangkok - Seattle | Thu, Oct 15 | Normal Airline
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      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Wed, Dec 2 | Singapore Airlines
        NZD 608 NZD 1,003
        39% off
        39% off
        NZD 1,003 NZD 608
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Thu, Dec 3 | Singapore Airlines
        NZD 633 NZD 1,003
        37% off
        37% off
        NZD 1,003 NZD 633
      • SEA 10:20 AM
        37h
        1 stop
        BKK 2:20 PM
        Seattle - Bangkok | Wed, Dec 2 | Hainan Airlines
        NZD 703 NZD 1,003
        30% off
        30% off
        NZD 1,003 NZD 703
      • SEA 11:00 AM
        35h 25m
        1 stop
        BKK 1:25 PM
        Seattle - Bangkok | Sat, Nov 14 | Korean Air
        NZD 711
        28% off
        NZD 1,003 NZD 711
      • SEA 11:00 AM
        35h 25m
        1 stop
        BKK 1:25 PM
        Seattle - Bangkok | Thu, Nov 26 | Korean Air
        NZD 712
        28% off
        NZD 1,003 NZD 712
      • SEA 11:00 AM
        22h 45m
        1 stop
        BKK 12:45 AM
        Seattle - Bangkok | Tue, Dec 1 | Korean Air
        NZD 713
        28% off
        NZD 1,003 NZD 713
      • SEA 11:00 AM
        22h 45m
        1 stop
        BKK 12:45 AM
        Seattle - Bangkok | Wed, Nov 18 | Korean Air
        NZD 713
        28% off
        NZD 1,003 NZD 713
      • SEA 12:10 AM
        30h 50m
        1 stop
        BKK 10:00 PM
        Seattle - Bangkok | Wed, Nov 18 | Asiana Airlines
        NZD 718
        28% off
        NZD 1,003 NZD 718
      • SEA 12:10 AM
        30h 50m
        1 stop
        BKK 10:00 PM
        Seattle - Bangkok | Tue, Dec 1 | Asiana Airlines
        NZD 718
        28% off
        NZD 1,003 NZD 718
      • SEA 12:10 AM
        30h 50m
        1 stop
        BKK 10:00 PM
        Seattle - Bangkok | Sat, Nov 14 | Asiana Airlines
        NZD 719
        28% off
        NZD 1,003 NZD 719
      • SEA 10:20 AM
        37h
        1 stop
        BKK 2:20 PM
        Seattle - Bangkok | Sat, Nov 21 | Hainan Airlines
        NZD 722
        28% off
        NZD 1,003 NZD 722
      • SEA 10:20 AM
        37h
        1 stop
        BKK 2:20 PM
        Seattle - Bangkok | Sat, Nov 28 | Hainan Airlines
        NZD 732
        27% off
        NZD 1,003 NZD 732
      • SEA 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Seattle - Bangkok | Tue, Oct 13 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to Suvarnabhumi Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport

Which month has the lowest one-way flight price from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Seattle-Tacoma International Airport to Suvarnabhumi Airport, the best time to book is in April, with an average price of NZD 742. Try to avoid June, when prices are highest, averaging around NZD 1,667.

NZD 1,667
NZD 1,205
NZD 742
NZD 280
    Cheapest
  • NZD 808
    Oct
  • NZD 768
    Nov
  • NZD 1,390
    Dec
  • NZD 834
    Jan
  • NZD 862
    Feb
  • NZD 850
    Mar
  • NZD 742
    Apr
  • NZD 975
    May
  • NZD 1,667
    Jun
  • NZD 957
    Jul
  • NZD 1,257
    Aug
  • NZD 743
    Sep

Which month is the cheapest for round-trip flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, September is usually the cheapest month to find flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport, with an average price of NZD 1,427. In contrast, December is typically the most expensive month, with average prices reaching NZD 2,553.

NZD 2,553
NZD 1,990
NZD 1,427
NZD 864
    Cheapest
  • NZD 1,587
    Oct
  • NZD 1,430
    Nov
  • NZD 2,553
    Dec
  • NZD 1,447
    Jan
  • NZD 1,451
    Feb
  • NZD 1,636
    Mar
  • NZD 1,571
    Apr
  • NZD 1,732
    May
  • NZD 2,120
    Jun
  • NZD 1,810
    Jul
  • NZD 1,621
    Aug
  • NZD 1,427
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the average flight prices on Trip.com from Seattle-Tacoma International Airport to Suvarnabhumi Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Seattle-Tacoma International Airport to Suvarnabhumi Airport is usually Sunday, with average fares typically lower than other days. Try to avoid departing on Saturday, as prices are usually the highest on that day.

NZD 1,291
NZD 1,068
NZD 844
NZD 621
    Cheapest
  • NZD 955
    Mon
  • NZD 870
    Tue
  • NZD 930
    Wed
  • NZD 953
    Thu
  • NZD 1,129
    Fri
  • NZD 1,291
    Sat
  • NZD 844
    Sun

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

The cheapest airline flying from Seattle-Tacoma International Airport to Suvarnabhumi Airport is Alaska Airlines (from NZD 574) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From NZD 574
Singapore Airlines
From NZD 628
Korean Air
From NZD 682
Asiana Airlines
From NZD 714
Hainan Airlines
From NZD 726
China Airlines
From NZD 737
Philippine Airlines
From NZD 739
Delta Air Lines
From NZD 740
United Airlines
From NZD 744
Japan Airlines
From NZD 748

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. KE042

    Seattle-Tacoma International Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  2. KE651

    Incheon International Airport

    5:40 PM

    ICN

    5h 30m

    Nonstop

    9:10 PM

    BKK

    S M T W T F S

  3. SQ027

    Seattle-Tacoma International Airport

    9:55 AM

    SEA

    16h 45m

    Nonstop

    5:40 PM

    SIN

    - M - W T F S
    Search

  4. SQ720

    Singapore Changi Airport

    6:30 PM

    SIN

    2h 30m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  5. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  6. KE657

    Incheon International Airport

    9:00 AM

    ICN

    6h

    Nonstop

    1:00 PM

    BKK

    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. KE659

    Incheon International Airport

    7:00 PM

    ICN

    5h 55m

    Nonstop

    10:55 PM

    BKK

    S M T W T F S

  9. PR125

    Seattle-Tacoma International Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    - M - W T - S
    Search

  10. PR730

    Ninoy Aquino International Airport

    9:45 AM

    MNL

    3h 20m

    Nonstop

    12:05 PM

    BKK

    S M T W T F S

  11. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  12. KE651

    Incheon International Airport

    5:40 PM

    ICN

    5h 30m

    Nonstop

    9:10 PM

    BKK

    S M T W T F S

  13. OZ271

    Seattle-Tacoma International Airport

    12:25 AM

    SEA

    11h 48m

    Nonstop

    4:13 AM

    ICN

    S - - - - - -
    Search

  14. OZ741

    Incheon International Airport

    6:05 PM

    ICN

    5h 55m

    Nonstop

    10:00 PM

    BKK

    S M T W T F S

  15. SQ027

    Seattle-Tacoma International Airport

    9:55 AM

    SEA

    16h 45m

    Nonstop

    5:40 PM

    SIN

    - M - W T F S
    Search

  16. SQ706

    Singapore Changi Airport

    6:40 AM

    SIN

    2h 25m

    Nonstop

    8:05 AM

    BKK

    S M T W T F S

  17. KE048

    Seattle-Tacoma International Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  18. KE659

    Incheon International Airport

    7:00 PM

    ICN

    5h 55m

    Nonstop

    10:55 PM

    BKK

    S M T W T F S

  19. HU446

    Seattle-Tacoma International Airport

    11:05 AM

    SEA

    14h 25m

    Nonstop

    4:30 PM

    CKG

    - - - W - - -
    Search

  20. HU423

    Chongqing Jiangbei International Airport

    7:55 AM

    CKG

    3h 20m

    Nonstop

    10:15 AM

    BKK

    S M T W T F S
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About Seattle-Tacoma International Airport and Suvarnabhumi Airport

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

Flight distance 12,000.72 km
Cheapest one-way ticket price NZD 608
Cheapest return ticket price NZD 1,150

FAQs for Seattle-Tacoma International Airport to Suvarnabhumi Airport Flights

  • What is the transportation method from the main airport to downtown in Bangkok?

    • The distance from Suvarnabhumi Airport to downtown is about 24 km. It takes about 40 minutes by taxi.
    • The distance from Don Mueang International Airport to downtown is about 22 km. It takes about 40 minutes by taxi.
  • One-way flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport currently start from NZD 608, and round-trip fares start from NZD 1,150. The current lowest fare is a Singapore Airlines flight departing on Wed, Dec 2; 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 Suvarnabhumi Airport is NZD 1,129. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle-Tacoma International Airport and Suvarnabhumi 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.