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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 IDR 6,326,200 and round-trip from IDR 11,857,800. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Seattle to Bangkok 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 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 IDR 7,551,800. Try to avoid June, when prices are highest, averaging around IDR 16,972,600.

IDR 16,972,600
IDR 12,262,200
IDR 7,551,800
IDR 2,841,400
    Cheapest
  • IDR 7,817,800
    Nov
  • IDR 14,153,200
    Dec
  • IDR 8,487,000
    Jan
  • IDR 8,773,200
    Feb
  • IDR 8,653,700
    Mar
  • IDR 7,551,800
    Apr
  • IDR 9,932,400
    May
  • IDR 16,972,600
    Jun
  • IDR 9,741,400
    Jul
  • IDR 12,796,300
    Aug
  • IDR 7,564,600
    Sep
  • IDR 11,209,700
    Oct

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 IDR 14,530,900. In contrast, December is typically the most expensive month, with average prices reaching IDR 26,003,700.

IDR 26,003,700
IDR 20,267,300
IDR 14,530,900
IDR 8,794,500
    Cheapest
  • IDR 14,558,500
    Nov
  • IDR 26,003,700
    Dec
  • IDR 14,739,500
    Jan
  • IDR 14,777,900
    Feb
  • IDR 16,658,800
    Mar
  • IDR 16,000,800
    Apr
  • IDR 17,638,300
    May
  • IDR 21,587,400
    Jun
  • IDR 18,432,600
    Jul
  • IDR 16,509,800
    Aug
  • IDR 14,530,900
    Sep
  • IDR 15,301,700
    Oct

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.

IDR 13,600,400
IDR 11,099,100
IDR 8,597,800
IDR 6,096,500
    Cheapest
  • IDR 9,724,600
    Mon
  • IDR 8,802,500
    Tue
  • IDR 9,673,900
    Wed
  • IDR 9,724,400
    Thu
  • IDR 11,343,600
    Fri
  • IDR 13,600,400
    Sat
  • IDR 8,597,800
    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 Korean Air (from IDR 6,982,400) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From IDR 6,982,400
Hainan Airlines
From IDR 7,240,000
Asiana Airlines
From IDR 7,340,300
Philippine Airlines
From IDR 7,603,400
Singapore Airlines
From IDR 7,603,400
EVA Air
From IDR 7,866,400
Cathay Pacific
From IDR 8,050,800
United Airlines
From IDR 8,105,000
China Airlines
From IDR 8,115,800
All Nippon Airways
From IDR 8,302,900

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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. SQ027

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    S M T W T F S
    Search
  2. SQ720

    6:35 PM

    SIN

    2h 25m

    Nonstop

    8:00 PM

    BKK

    S M T W T F S
  3. PR125

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S
    Search
  4. PR740

    6:40 AM

    MNL

    3h 40m

    Nonstop

    9:20 AM

    BKK

    S M T W T F S
  5. HU496

    10:20 AM

    SEA

    13h 30m

    Nonstop

    3:50 PM

    PEK

    - M - - - F -
    Search
  6. HU7995

    7:00 PM

    PEK

    5h 25m

    Nonstop

    11:25 PM

    BKK

    - M - - - F -
  7. KE042

    11:00 AM

    SEA

    11h 55m

    Nonstop

    3:55 PM

    ICN

    S M T W T F S
    Search
  8. KE659

    8:15 PM

    ICN

    6h 5m

    Nonstop

    12:20 AM

    BKK

    S M T W T F S
  9. SQ027

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    S M T W T F S
    Search
  10. SQ706

    7:05 AM

    SIN

    2h 25m

    Nonstop

    8:30 AM

    BKK

    S M T W T F S
  11. HU446

    10:05 AM

    SEA

    15h

    Nonstop

    5:05 PM

    CKG

    - - - W - - -
    Search
  12. HU446

    6:55 PM

    CKG

    2h 5m

    Nonstop

    9:00 PM

    HAK

    - - - - T - -
  13. HU7939

    8:40 AM

    HAK

    2h 25m

    Nonstop

    10:05 AM

    BKK

    S - - - T F S
  14. HU446

    10:05 AM

    SEA

    15h

    Nonstop

    5:05 PM

    CKG

    - - - W - - -
    Search
  15. HU423

    8:05 AM

    CKG

    3h 40m

    Nonstop

    10:45 AM

    BKK

    S M T W T F S
  16. SQ027

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    S M T W T F S
    Search
  17. SQ722

    10:50 AM

    SIN

    2h 30m

    Nonstop

    12:20 PM

    BKK

    S M T W T F S
  18. HU496

    10:20 AM

    SEA

    13h 30m

    Nonstop

    3:50 PM

    PEK

    - M - - - F -
    Search
  19. HU429

    10:00 AM

    PEK

    5h 20m

    Nonstop

    2:20 PM

    BKK

    S M T W T F S
  20. SQ027

    8:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    S M T W T F S
    Search
  21. SQ710

    1:05 PM

    SIN

    2h 30m

    Nonstop

    2:35 PM

    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 IDR 6,982,400
Cheapest return ticket price IDR 11,857,800

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 IDR 6,982,400, and round-trip fares start from IDR 11,857,800. The current lowest fare is a Korean Air flight departing on Wed, Nov 18; 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 IDR 12,405,600. 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.

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.