Trip.com
>
Flights
>
Flights to Thailand
>
Flights to Bangkok
>
Seattle to Bangkok flight
>
Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport flight

Search for flights from Seattle to Bangkok and check out affordable one-way and round-trip options.

      • SEA 10:15 AM
        42h 45m
        1 stop
        BKK 7:00 PM
        Seattle - Bangkok | Tue, Sep 15 | Singapore Airlines
        BKK 9:20 AM
        37h 25m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Mon, Sep 21 | Singapore Airlines
        $706 $892
        21% off
        21% off
        $892 $706
      • SEA 10:15 AM
        36h 5m
        1 stop
        BKK 12:20 PM
        Seattle - Bangkok | Thu, Sep 17 | Singapore Airlines
        BKK 9:20 AM
        37h 25m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Wed, Sep 23 | Singapore Airlines
        $760 $892
        15% off
        15% off
        $892 $760
      • SEA 10:15 AM
        38h
        1 stop
        BKK 2:15 PM
        Seattle - Bangkok | Sun, Sep 20 | Singapore Airlines
        BKK 3:30 PM
        31h 15m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Sat, Sep 26 | Singapore Airlines
        $780 $892
        13% off
        13% off
        $892 $780
      • SEA 10:15 AM
        34h 45m
        1 stop
        BKK 11:00 AM
        Seattle - Bangkok | Sun, Sep 13 | Singapore Airlines
        BKK 9:15 PM
        25h 30m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Fri, Sep 18 | Singapore Airlines
        $790
        11% off
        $892 $790
      • SEA 10:15 AM
        36h 5m
        1 stop
        BKK 12:20 PM
        Seattle - Bangkok | Fri, Sep 18 | Singapore Airlines
        BKK 9:20 AM
        37h 25m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Wed, Sep 23 | Singapore Airlines
        $806
        10% off
        $892 $806
      • SEA 10:15 AM
        36h 5m
        1 stop
        BKK 12:20 PM
        Seattle - Bangkok | Sat, Sep 19 | Singapore Airlines
        BKK 9:20 AM
        37h 25m
        1 stop
        SEA 8:45 AM
        Bangkok - Seattle | Thu, Sep 24 | Singapore Airlines
        $813
        9% off
        $892 $813
      • SEA 11:10 PM
        23h
        1 stop
        BKK 12:10 PM
        Seattle - Bangkok | Wed, Sep 2 | Philippine Airlines
        BKK 11:40 PM
        34h 25m
        1 stop
        SEA 8:05 PM
        Bangkok - Seattle | Tue, Sep 8 | Philippine Airlines
        $821
        8% off
        $892 $821
      • SEA 11:10 PM
        29h 20m
        1 stop
        BKK 6:30 PM
        Seattle - Bangkok | Wed, Sep 9 | Philippine Airlines
        BKK 10:20 AM
        23h 45m
        1 stop
        SEA 8:05 PM
        Bangkok - Seattle | Wed, Sep 16 | Philippine Airlines
        $821
        8% off
        $892 $821
      • SEA 1:20 PM
        21h 45m
        1 stop
        BKK 1:05 AM
        Seattle - Bangkok | Sat, Aug 29 | Korean Air
        BKK 2:35 AM
        22h 5m
        1 stop
        SEA 10:40 AM
        Bangkok - Seattle | Sat, Sep 5 | Korean Air
        $822
        8% off
        $892 $822
      • SEA 1:05 PM
        18h 40m
        1 stop
        BKK 9:45 PM
        Seattle - Bangkok | Sat, Aug 29 | Delta Air Lines
        BKK 11:30 PM
        28h 7m
        1 stop
        SEA 1:37 PM
        Bangkok - Seattle | Sat, Sep 5 | Delta Air Lines
        $829
        7% off
        $892 $829
      • SEA 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Seattle - Bangkok | Fri, Jul 24 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Bangkok - Seattle | Sun, Jul 26 | Normal Airline
        Find more flights
        Find more flights
      • SEA 10:15 AM
        19h 45m
        1 stop
        BKK 8:00 PM
        Seattle - Bangkok | Sun, Aug 30 | Singapore Airlines
        $279 $417
        33% off
        33% off
        $417 $279
      • SEA 10:15 AM
        42h 45m
        1 stop
        BKK 7:00 PM
        Seattle - Bangkok | Thu, Sep 3 | Singapore Airlines
        $281 $417
        33% off
        33% off
        $417 $281
      • SEA 10:15 AM
        41h
        1 stop
        BKK 5:15 PM
        Seattle - Bangkok | Sun, Sep 6 | Singapore Airlines
        $281 $417
        33% off
        33% off
        $417 $281
      • SEA 10:15 AM
        41h
        1 stop
        BKK 5:15 PM
        Seattle - Bangkok | Sat, Aug 29 | Singapore Airlines
        $354
        15% off
        $417 $354
      • SEA 12:55 AM
        32h 25m
        1 stop
        BKK 11:20 PM
        Seattle - Bangkok | Wed, Sep 2 | Asiana Airlines
        $372
        11% off
        $417 $372
      • SEA 10:15 AM
        42h 45m
        1 stop
        BKK 7:00 PM
        Seattle - Bangkok | Sun, Sep 13 | Singapore Airlines
        $376
        10% off
        $417 $376
      • SEA 10:15 AM
        42h 45m
        1 stop
        BKK 7:00 PM
        Seattle - Bangkok | Tue, Sep 15 | Singapore Airlines
        $376
        10% off
        $417 $376
      • SEA 12:55 AM
        32h 25m
        1 stop
        BKK 11:20 PM
        Seattle - Bangkok | Fri, Aug 7 | Asiana Airlines
        $376
        10% off
        $417 $376
      • SEA 10:15 AM
        42h 45m
        1 stop
        BKK 7:00 PM
        Seattle - Bangkok | Fri, Aug 21 | Singapore Airlines
        $377
        10% off
        $417 $377
      • SEA 11:10 PM
        33h 30m
        1 stop
        BKK 10:40 PM
        Seattle - Bangkok | Wed, Sep 16 | Philippine Airlines
        $387
        7% off
        $417 $387
      • SEA 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Seattle - Bangkok | Fri, Jul 24 | Normal Airline
        Find more flights
        Find more flights

airport_to_airport.flight_disclaimer

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 $412. You’ll want to avoid June, when the average price can reach as high as $925.

$925
$669
$412
$156
    Cheapest
  • $450
    Jul
  • $479
    Aug
  • $419
    Sep
  • $438
    Oct
  • $427
    Nov
  • $772
    Dec
  • $463
    Jan
  • $479
    Feb
  • $472
    Mar
  • $412
    Apr
  • $542
    May
  • $925
    Jun

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, November is typically the cheapest month to find flights from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport, with an average price of $794. In contrast, December is usually the most expensive month, with average fares reaching $1,418.

$1,418
$1,106
$794
$482
    Cheapest
  • $1,101
    Jul
  • $850
    Aug
  • $870
    Sep
  • $880
    Oct
  • $794
    Nov
  • $1,418
    Dec
  • $804
    Jan
  • $806
    Feb
  • $908
    Mar
  • $872
    Apr
  • $962
    May
  • $1,177
    Jun

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 Friday, as ticket prices are usually the highest that day.

$609
$539
$469
$399
    Cheapest
  • $524
    Mon
  • $482
    Tue
  • $508
    Wed
  • $540
    Thu
  • $609
    Fri
  • $553
    Sat
  • $469
    Sun

Selected Airlines from Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport

See which airlines fly from Seattle to Bangkok. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Singapore Airlines
From $279
Asiana Airlines
From $372
Philippine Airlines
From $387
Korean Air
From $395
Alaska Airlines
From $413
Hainan Airlines
From $413
China Airlines
From $423
Delta Air Lines
From $426
Japan Airlines
From $431
United Airlines
From $431

Find more flights and airlines

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. SQ027

    Seattle Tacoma Intl. Airport

    10:15 AM

    SEA

    16h 20m

    Nonstop

    5:35 PM

    SIN

    - M - W T F S
    Search

  2. SQ720

    Changi Airport

    6:30 PM

    SIN

    2h 30m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S

  3. AS119

    Seattle Tacoma Intl. Airport

    1:35 PM

    SEA

    11h 55m

    Nonstop

    5:30 PM

    ICN

    S - T W T F S
    Search

  4. KE659

    Incheon Intl. Airport

    7:45 PM

    ICN

    5h 50m

    Nonstop

    11:35 PM

    BKK

    S M T W T F S

  5. AS119

    Seattle Tacoma Intl. Airport

    1:35 PM

    SEA

    11h 55m

    Nonstop

    5:30 PM

    ICN

    S - T W T F S
    Search

  6. KE655

    Incheon Intl. Airport

    8:50 PM

    ICN

    6h 5m

    Nonstop

    12:55 AM

    BKK

    S M T W T F S

  7. KE042

    Seattle Tacoma Intl. Airport

    1:20 PM

    SEA

    11h 20m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  8. KE655

    Incheon Intl. Airport

    8:50 PM

    ICN

    6h 5m

    Nonstop

    12:55 AM

    BKK

    S M T W T F S

  9. OZ271

    Seattle Tacoma Intl. Airport

    12:55 AM

    SEA

    11h 50m

    Nonstop

    4:45 AM

    ICN

    S M T - T F -
    Search

  10. OZ741

    Incheon Intl. Airport

    7:35 PM

    ICN

    5h 45m

    Nonstop

    11:20 PM

    BKK

    S M T W T F S

  11. PR125

    Seattle Tacoma Intl. Airport

    11:55 PM

    SEA

    13h 30m

    Nonstop

    4:25 AM

    MNL

    - M T W T - S
    Search

  12. PR732

    Ninoy Aquino Intl. Airport

    7:20 PM

    MNL

    3h 30m

    Nonstop

    9:50 PM

    BKK

    S M - W T F S

  13. KE042

    Seattle Tacoma Intl. Airport

    1:20 PM

    SEA

    11h 20m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  14. KE657

    Incheon Intl. Airport

    9:45 AM

    ICN

    5h 50m

    Nonstop

    1:35 PM

    BKK

    S M T W T F S

  15. HU496

    Seattle Tacoma Intl. Airport

    10:20 AM

    SEA

    13h 30m

    Nonstop

    3:50 PM

    PEK

    - M - - - F -
    Search

  16. HU429

    Beijing Capital Intl. Airport

    8:15 AM

    PEK

    5h 5m

    Nonstop

    12:20 PM

    BKK

    S M T W T F S

  17. SQ027

    Seattle Tacoma Intl. Airport

    10:15 AM

    SEA

    16h 20m

    Nonstop

    5:35 PM

    SIN

    - M - W T F S
    Search

  18. SQ712

    Changi Airport

    3:45 PM

    SIN

    2h 30m

    Nonstop

    5:15 PM

    BKK

    S M T W T F S

  19. SQ027

    Seattle Tacoma Intl. Airport

    10:15 AM

    SEA

    16h 20m

    Nonstop

    5:35 PM

    SIN

    - M - W T F S
    Search

  20. SQ714

    Changi Airport

    5:30 PM

    SIN

    2h 30m

    Nonstop

    7:00 PM

    BKK

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

Seattle Tacoma Intl. Airport to Suvarnabhumi Intl. Airport Flights Info

Flight distance 12,000.72 km
Cheapest one-way ticket price $279
Cheapest return ticket price $706

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.

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.