Explore the cheapest one-way and round-trip flights from Suvarnabhumi Airport to Dulles International Airport over the next 90 days, with one-way fares from €359 and round-trip from €682. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Bangkok to Washington D.C. 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 Suvarnabhumi Airport to Dulles International Airport

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

The data is based on the average one-way flight prices on Trip.com for flights from Suvarnabhumi Airport to Dulles International 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 Suvarnabhumi Airport to Dulles International Airport, the best time to book is in September, with an average price of €574. Try to avoid January, when prices are highest, averaging around €1,092.

€1,092
€833
€574
€315
    Cheapest
  • €641
    Nov
  • €708
    Dec
  • €1,092
    Jan
  • €763
    Feb
  • €731
    Mar
  • €697
    Apr
  • €729
    May
  • €670
    Jun
  • €811
    Jul
  • €842
    Aug
  • €574
    Sep
  • €584
    Oct

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

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

Based on Trip.com data from the past 12 months, February is usually the cheapest month to find flights from Suvarnabhumi Airport to Dulles International Airport, with an average price of €1,020. In contrast, January is typically the most expensive month, with average prices reaching €1,587.

€1,587
€1,304
€1,020
€737
    Cheapest
  • €1,103
    Nov
  • €1,411
    Dec
  • €1,587
    Jan
  • €1,020
    Feb
  • €1,394
    Mar
  • €1,537
    Apr
  • €1,221
    May
  • €1,223
    Jun
  • €1,292
    Jul
  • €1,515
    Aug
  • €1,041
    Sep
  • €1,104
    Oct

What is the cheapest day of the week to fly from Suvarnabhumi Airport to Dulles International Airport?

The data is based on the average flight prices on Trip.com from Suvarnabhumi Airport to Dulles International 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 Suvarnabhumi Airport to Dulles International Airport is usually Tuesday, with average fares typically lower than other days. Try to avoid departing on Monday, as prices are usually the highest on that day.

€784
€716
€648
€580
  • €784
    Mon
  • €648
    Tue
  • €704
    Wed
  • €692
    Thu
  • €754
    Fri
  • €741
    Sat
  • €775
    Sun

Which airline offers the cheapest flights from Suvarnabhumi Airport to Dulles International Airport?

The cheapest airline flying from Suvarnabhumi Airport to Dulles International Airport is Etihad Airways (from €359) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Etihad Airways
From €359
Thai Vietjet Air
From €405
Thai AirAsia
From €406
Thai Airways
From €411
Air China
From €421
Bangkok Airways
From €428
Air Premia
From €439
Xiamen Airlines
From €447
Sichuan Airlines
From €448
China Southern Airlines
From €470

Find more flights and airlines

What is the flight schedule from Suvarnabhumi Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule
  1. FD4108

    4:35 PM

    BKK

    1h 20m

    Nonstop

    5:55 PM

    CNX

    S M T W T F S
    Search
  2. EY427

    9:10 AM

    CNX

    6h 55m

    Nonstop

    1:05 PM

    AUH

    S M T W T F S
  3. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

    S M T W T F S
  4. CA980

    1:30 AM

    BKK

    4h 40m

    Nonstop

    7:10 AM

    PEK

    S M T W T F S
    Search
  5. CA817

    6:30 PM

    PEK

    15h 30m

    Nonstop

    9:00 PM

    IAD

    - M - - T - -
  6. EY405

    3:15 PM

    BKK

    6h 50m

    Nonstop

    7:05 PM

    AUH

    S M T W T F S
    Search
  7. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

    S M T W T F S
  8. YP602

    10:45 PM

    BKK

    5h 30m

    Nonstop

    6:15 AM

    ICN

    S M - - T - S
    Search
  9. YP135

    9:05 PM

    ICN

    13h 30m

    Nonstop

    9:35 PM

    IAD

    S - T - T - -
  10. EY403

    8:35 AM

    BKK

    7h

    Nonstop

    12:35 PM

    AUH

    S M T W T F S
    Search
  11. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

    S M T W T F S
  12. TG100

    6:00 AM

    BKK

    1h 20m

    Nonstop

    7:20 AM

    CNX

    S M T W T F S
    Search
  13. EY427

    9:10 AM

    CNX

    6h 55m

    Nonstop

    1:05 PM

    AUH

    S M T W T F S
  14. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

    S M T W T F S
  15. CA886

    3:15 PM

    BKK

    4h 45m

    Nonstop

    9:00 PM

    PEK

    S M T W T F S
    Search
  16. CA817

    6:30 PM

    PEK

    15h 30m

    Nonstop

    9:00 PM

    IAD

    - M - - T - -
  17. VZ104

    10:20 PM

    BKK

    1h 20m

    Nonstop

    11:40 PM

    CNX

    - M - W - F S
    Search
  18. EY427

    9:10 AM

    CNX

    6h 55m

    Nonstop

    1:05 PM

    AUH

    S M T W T F S
  19. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

    S M T W T F S
  20. VZ2106

    7:20 PM

    BKK

    1h 30m

    Nonstop

    8:50 PM

    CNX

    S M T W T F S
    Search
  21. EY427

    9:10 AM

    CNX

    6h 55m

    Nonstop

    1:05 PM

    AUH

    S M T W T F S
  22. EY005

    3:15 AM

    AUH

    14h 45m

    Nonstop

    9:00 AM

    IAD

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

About Suvarnabhumi Airport and Dulles International Airport

Learn about Suvarnabhumi Airport (BKK) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 14,173.96 km
Cheapest one-way ticket price €359
Cheapest return ticket price €682

FAQs for Suvarnabhumi Airport to Dulles International Airport Flights

  • What are the cheapest flights from Suvarnabhumi Airport to Dulles International Airport?

    One-way flights from Suvarnabhumi Airport to Dulles International Airport currently start from €359, and round-trip fares start from €682. The current lowest fare is a Etihad Airways flight departing on Fri, Nov 13; 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 Suvarnabhumi Airport to Dulles International Airport is €832. Prices may vary depending on the departure date, airline, and availability.
  • Enter Suvarnabhumi Airport and Dulles 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.

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.