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Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport flight

Explore the cheapest one-way and round-trip flights from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport over the next 90 days, with one-way fares from THB 11,820 and round-trip from THB 21,640. Based on Trip.com's latest 7-day flight data.

      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Tue, Nov 10 | Singapore Airlines
        BKK 3:45 PM
        30h 20m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Thu, Nov 12 | Singapore Airlines
        THB 21,640 THB 33,680
        36% off
        36% off
        THB 33,680 THB 21,640
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Tue, Nov 17 | Singapore Airlines
        BKK 12:00 PM
        34h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Thu, Nov 19 | Singapore Airlines
        THB 21,650 THB 33,680
        36% off
        36% off
        THB 33,680 THB 21,650
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Fri, Nov 13 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        THB 21,910 THB 33,680
        35% off
        35% off
        THB 33,680 THB 21,910
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sat, Nov 28 | Singapore Airlines
        BKK 8:00 PM
        26h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        THB 22,210
        34% off
        THB 33,680 THB 22,210
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sun, Nov 29 | Singapore Airlines
        BKK 6:10 PM
        27h 55m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        THB 22,210
        34% off
        THB 33,680 THB 22,210
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 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
        THB 22,740
        32% off
        THB 33,680 THB 22,740
      • SEA 8:40 AM
        41h 20m
        1 stop
        BKK 5:00 PM
        Seattle - Bangkok | Sun, Nov 15 | Singapore Airlines
        BKK 9:15 PM
        24h 50m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        THB 22,850
        32% off
        THB 33,680 THB 22,850
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Tue, Dec 1 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Mon, Dec 7 | Singapore Airlines
        THB 22,950
        32% off
        THB 33,680 THB 22,950
      • SEA 8:40 AM
        38h 55m
        1 stop
        BKK 2:35 PM
        Seattle - Bangkok | Fri, Nov 27 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        THB 24,150
        28% off
        THB 33,680 THB 24,150
      • SEA 8:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Sat, Nov 14 | Singapore Airlines
        BKK 12:00 PM
        34h 5m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        THB 24,230
        28% off
        THB 33,680 THB 24,230
      • SEA 9:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Tue, Oct 27 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Nov 3 | Singapore Airlines
        THB 24,400
        28% off
        THB 33,680 THB 24,400
      • SEA 8:40 AM
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Wed, Nov 11 | Singapore Airlines
        BKK 9:40 AM
        36h 25m
        1 stop
        SEA 7:05 AM
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        THB 24,580
        27% off
        THB 33,680 THB 24,580
      • 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
        43h 5m
        1 stop
        BKK 6:45 PM
        Seattle - Bangkok | Sat, Nov 28 | Singapore Airlines
        THB 11,820 THB 18,840
        37% off
        37% off
        THB 18,840 THB 11,820
      • SEA 8:40 AM
        20h 20m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sun, Nov 29 | Singapore Airlines
        THB 11,920 THB 18,840
        37% off
        37% off
        THB 18,840 THB 11,920
      • SEA 12:50 PM
        34h 25m
        1 stop
        BKK 1:15 PM
        Seattle - Bangkok | Mon, Oct 12 | Korean Air
        THB 12,970 THB 18,840
        31% off
        31% off
        THB 18,840 THB 12,970
      • SEA 12:10 AM
        31h 55m
        1 stop
        BKK 10:05 PM
        Seattle - Bangkok | Mon, Oct 12 | Asiana Airlines
        THB 13,100
        30% off
        THB 18,840 THB 13,100
      • SEA 12:50 PM
        34h 45m
        1 stop
        BKK 1:35 PM
        Seattle - Bangkok | Mon, Oct 19 | Korean Air
        THB 13,330
        28% off
        THB 18,840 THB 13,330
      • SEA 11:00 AM
        21h 5m
        1 stop
        BKK 11:05 PM
        Seattle - Bangkok | Thu, Nov 5 | Korean Air
        THB 13,330
        28% off
        THB 18,840 THB 13,330
      • SEA 11:00 AM
        35h 25m
        1 stop
        BKK 1:25 PM
        Seattle - Bangkok | Tue, Nov 10 | Korean Air
        THB 13,380
        28% off
        THB 18,840 THB 13,380
      • SEA 12:10 AM
        22h 15m
        1 stop
        BKK 1:25 PM
        Seattle - Bangkok | Wed, Nov 11 | Korean Air
        THB 13,460
        28% off
        THB 18,840 THB 13,460
      • SEA 12:10 AM
        30h 50m
        1 stop
        BKK 10:00 PM
        Seattle - Bangkok | Tue, Nov 10 | Asiana Airlines
        THB 13,530
        28% off
        THB 18,840 THB 13,530
      • SEA 10:20 AM
        37h
        1 stop
        BKK 2:20 PM
        Seattle - Bangkok | Tue, Dec 1 | Hainan Airlines
        THB 13,600
        28% off
        THB 18,840 THB 13,600
      • SEA 10:20 AM
        37h
        1 stop
        BKK 2:20 PM
        Seattle - Bangkok | Sat, Nov 28 | Hainan Airlines
        THB 13,660
        27% off
        THB 18,840 THB 13,660
      • SEA 10:05 AM
        33h 35m
        1 stop
        BKK 10:40 AM
        Seattle - Bangkok | Thu, Nov 26 | Hainan Airlines
        THB 13,750
        27% off
        THB 18,840 THB 13,750
      • SEA 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Seattle - Bangkok | Tue, Oct 13 | Normal Airline
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Displayed flight fares from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month for one-way flights from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport?

Data is based on average one-way flight prices from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport, the best time to buy is in April, with an average price of THB 13,950. You’ll want to avoid June, when the average price can reach as high as THB 31,360.

THB 31,360
THB 22,655
THB 13,950
THB 5,245
    Cheapest
  • THB 15,210
    Oct
  • THB 14,450
    Nov
  • THB 26,150
    Dec
  • THB 15,680
    Jan
  • THB 16,210
    Feb
  • THB 15,990
    Mar
  • THB 13,950
    Apr
  • THB 18,350
    May
  • THB 31,360
    Jun
  • THB 18,000
    Jul
  • THB 23,640
    Aug
  • THB 13,980
    Sep

What’s the cheapest month to fly round-trip from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, September is typically the cheapest month to find flights from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport, with an average price of THB 26,850. In contrast, December is usually the most expensive month, with average fares reaching THB 48,040.

THB 48,040
THB 37,445
THB 26,850
THB 16,255
    Cheapest
  • THB 29,860
    Oct
  • THB 26,900
    Nov
  • THB 48,040
    Dec
  • THB 27,230
    Jan
  • THB 27,300
    Feb
  • THB 30,780
    Mar
  • THB 29,560
    Apr
  • THB 32,590
    May
  • THB 39,880
    Jun
  • THB 34,050
    Jul
  • THB 30,500
    Aug
  • THB 26,850
    Sep

What is the cheapest day of the week to fly from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport is Sunday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

THB 24,280
THB 20,080
THB 15,880
THB 11,680
    Cheapest
  • THB 17,970
    Mon
  • THB 16,370
    Tue
  • THB 17,500
    Wed
  • THB 17,920
    Thu
  • THB 21,240
    Fri
  • THB 24,280
    Sat
  • THB 15,880
    Sun

Which airline offers the cheapest flights from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport?

The cheapest airline flying from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport is Alaska Airlines (from THB 10,800) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From THB 10,800
Singapore Airlines
From THB 11,820
Korean Air
From THB 12,970
Asiana Airlines
From THB 13,100
Hainan Airlines
From THB 13,600
China Airlines
From THB 13,860
Philippine Airlines
From THB 13,900
Delta Air Lines
From THB 13,930
United Airlines
From THB 14,000
Japan Airlines
From THB 14,060

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What is the flight schedule from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. 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 Intl. Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  2. KE651

    Incheon Intl. Airport

    5:40 PM

    ICN

    5h 30m

    Nonstop

    9:10 PM

    BKK

    S M T W T F S

  3. SQ027

    Seattle Tacoma Intl. Airport

    9:55 AM

    SEA

    16h 45m

    Nonstop

    5:40 PM

    SIN

    - M - W T F S
    Search

  4. SQ720

    Changi Airport

    6:30 PM

    SIN

    2h 30m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  5. KE048

    Seattle Tacoma Intl. Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  6. KE657

    Incheon Intl. Airport

    9:00 AM

    ICN

    6h

    Nonstop

    1:00 PM

    BKK

    S M T W T F S

  7. KE042

    Seattle Tacoma Intl. Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  8. KE659

    Incheon Intl. Airport

    7:00 PM

    ICN

    5h 55m

    Nonstop

    10:55 PM

    BKK

    S M T W T F S

  9. KE048

    Seattle Tacoma Intl. Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  10. KE651

    Incheon Intl. Airport

    5:40 PM

    ICN

    5h 30m

    Nonstop

    9:10 PM

    BKK

    S M T W T F S

  11. OZ271

    Seattle Tacoma Intl. Airport

    12:25 AM

    SEA

    11h 48m

    Nonstop

    4:13 AM

    ICN

    S - - - - - -
    Search

  12. OZ741

    Incheon Intl. Airport

    6:05 PM

    ICN

    5h 55m

    Nonstop

    10:00 PM

    BKK

    S M T W T F S

  13. SQ027

    Seattle Tacoma Intl. Airport

    9:55 AM

    SEA

    16h 45m

    Nonstop

    5:40 PM

    SIN

    - M - W T F S
    Search

  14. SQ706

    Changi Airport

    6:40 AM

    SIN

    2h 25m

    Nonstop

    8:05 AM

    BKK

    S M T W T F S

  15. KE048

    Seattle Tacoma Intl. Airport

    12:55 AM

    SEA

    12h 20m

    Nonstop

    5:15 AM

    ICN

    - M T - T F -
    Search

  16. KE659

    Incheon Intl. Airport

    7:00 PM

    ICN

    5h 55m

    Nonstop

    10:55 PM

    BKK

    S M T W T F S

  17. HU446

    Seattle Tacoma Intl. Airport

    11:05 AM

    SEA

    14h 25m

    Nonstop

    4:30 PM

    CKG

    - - - W - - -
    Search

  18. HU423

    Chongqing Jiangbei Intl. Airport

    7:55 AM

    CKG

    3h 20m

    Nonstop

    10:15 AM

    BKK

    S M T W T F S

  19. KE042

    Seattle Tacoma Intl. Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  20. KE657

    Incheon Intl. Airport

    9:00 AM

    ICN

    6h

    Nonstop

    1:00 PM

    BKK

    S M T W T F S
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About Seattle Tacoma Intl. Airport and Suvarnabhumi Intl. Airport

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

Flight distance 12,000.72 km
Cheapest one-way ticket price THB 11,820
Cheapest return ticket price THB 21,640

FAQs for Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. 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 Intl. Airport to Suvarnabhumi Intl. Airport currently start from THB 11,820, and round-trip fares start from THB 21,640. The current lowest fare is a Singapore Airlines flight departing on Sat, Nov 28; 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 Intl. Airport to Suvarnabhumi Intl. Airport is THB 21,250. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle Tacoma Intl. Airport and Suvarnabhumi Intl. 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.