Trip.com
>
Flights
>
Thailand
>
Flights to Bangkok
>
Washington D.C. to Bangkok flight
>
Dulles International Airport to Suvarnabhumi Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Suvarnabhumi Airport over the next 90 days, with one-way fares from S$ 519 and round-trip from S$ 1,103. Based on Trip.com's latest 7-day flight data.

      • IAD 13:15
        23h 20m
        1 stop
        BKK 23:35
        Washington D.C. - Bangkok | Sun, Sep 13 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Sat, Sep 19 | Korean Air
        S$ 1,103 S$ 1,226
        10% off
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Sat, Sep 12 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Sat, Sep 19 | Korean Air
        S$ 1,103 S$ 1,226
        10% off
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Thu, Sep 10 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Wed, Sep 16 | Korean Air
        S$ 1,103 S$ 1,226
        10% off
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        37h 20m
        1 stop
        BKK 13:35
        Washington D.C. - Bangkok | Fri, Sep 11 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Fri, Sep 18 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        23h 20m
        1 stop
        BKK 23:35
        Washington D.C. - Bangkok | Wed, Sep 9 | Korean Air
        BKK 23:30
        22h 35m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Tue, Sep 15 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        37h 20m
        1 stop
        BKK 13:35
        Washington D.C. - Bangkok | Thu, Sep 24 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Wed, Sep 30 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Sat, Sep 26 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Sat, Oct 3 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Sun, Sep 27 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Sat, Oct 3 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Mon, Sep 28 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Sun, Oct 4 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Tue, Sep 29 | Korean Air
        BKK 23:30
        22h 35m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Tue, Oct 6 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Tue, Sep 22 | Korean Air
        BKK 21:40
        24h 25m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Mon, Sep 28 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • IAD 13:15
        24h 50m
        1 stop
        BKK 01:05
        Washington D.C. - Bangkok | Wed, Sep 23 | Korean Air
        BKK 23:30
        22h 35m
        1 stop
        IAD 11:05
        Bangkok - Washington D.C. | Tue, Sep 29 | Korean Air
        S$ 1,103
        10% off
        S$ 1,226 S$ 1,103
      • WAS 13:00
        17h 25m
        1 stop
        BKK 14:00
        Washington D.C. - Bangkok | Mon, Aug 24 | Normal Airline
        BKK 15:00
        6h
        Direct
        WAS 16:00
        Bangkok - Washington D.C. | Wed, Aug 26 | Normal Airline
        Find more flights
        Find more flights
      • IAD 13:20
        44h 50m
        1 stop
        BKK 21:10
        Washington D.C. - Bangkok | Tue, Aug 25 | Air Premia
        S$ 519 S$ 625
        17% off
        17% off
        S$ 625 S$ 519
      • IAD 13:20
        44h 50m
        1 stop
        BKK 21:10
        Washington D.C. - Bangkok | Sun, Aug 23 | Air Premia
        S$ 519 S$ 625
        17% off
        17% off
        S$ 625 S$ 519
      • IAD 15:10
        21h 45m
        1 stop
        BKK 23:55
        Washington D.C. - Bangkok | Sat, Sep 26 | Etihad Airways
        S$ 521 S$ 625
        17% off
        17% off
        S$ 625 S$ 521
      • IAD 15:10
        21h 45m
        1 stop
        BKK 23:55
        Washington D.C. - Bangkok | Tue, Sep 29 | Etihad Airways
        S$ 522
        16% off
        S$ 625 S$ 522
      • IAD 15:10
        40h
        1 stop
        BKK 18:10
        Washington D.C. - Bangkok | Tue, Sep 1 | Etihad Airways
        S$ 522
        16% off
        S$ 625 S$ 522
      • IAD 15:10
        40h
        1 stop
        BKK 18:10
        Washington D.C. - Bangkok | Sat, Sep 12 | Etihad Airways
        S$ 527
        16% off
        S$ 625 S$ 527
      • IAD 15:10
        40h
        1 stop
        BKK 18:10
        Washington D.C. - Bangkok | Thu, Sep 24 | Etihad Airways
        S$ 527
        16% off
        S$ 625 S$ 527
      • IAD 15:10
        40h
        1 stop
        BKK 18:10
        Washington D.C. - Bangkok | Wed, Sep 23 | Etihad Airways
        S$ 560
        10% off
        S$ 625 S$ 560
      • IAD 15:10
        28h 35m
        1 stop
        BKK 06:45
        Washington D.C. - Bangkok | Fri, Sep 4 | Etihad Airways
        S$ 560
        10% off
        S$ 625 S$ 560
      • IAD 15:10
        28h 35m
        1 stop
        BKK 06:45
        Washington D.C. - Bangkok | Fri, Sep 18 | Etihad Airways
        S$ 560
        10% off
        S$ 625 S$ 560
      • IAD 15:10
        34h
        1 stop
        BKK 12:10
        Washington D.C. - Bangkok | Tue, Sep 8 | Etihad Airways
        S$ 562
        10% off
        S$ 625 S$ 562
      • IAD 15:10
        21h 45m
        1 stop
        BKK 23:55
        Washington D.C. - Bangkok | Thu, Oct 1 | Etihad Airways
        S$ 562
        10% off
        S$ 625 S$ 562
      • WAS 13:00
        17h 25m
        1 stop
        BKK 14:00
        Washington D.C. - Bangkok | Mon, Aug 24 | Normal Airline
        Find more flights
        Find more flights

Flight prices from Dulles International Airport to Suvarnabhumi Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Trip.com Price Insights: Flights from Dulles International Airport to Suvarnabhumi Airport

Which month has the cheapest one-way flights from Dulles International Airport to Suvarnabhumi Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from Dulles International Airport to Suvarnabhumi Airport.

Based on Trip.com data from the past 12 months, the cheapest one-way flights from Dulles International Airport to Suvarnabhumi Airport are usually in August, with an average price of S$ 683. December sees the highest fares, around S$ 1,397.

S$ 1,397
S$ 1,040
S$ 683
S$ 326
  • S$ 683
    Aug
  • S$ 834
    Sep
  • S$ 711
    Oct
  • S$ 714
    Nov
  • S$ 1,397
    Dec
  • S$ 791
    Jan
  • S$ 782
    Feb
  • S$ 846
    Mar
  • S$ 864
    Apr
  • S$ 828
    May
  • S$ 1,197
    Jun
  • S$ 808
    Jul

Which day of the week has the cheapest flights from Dulles International Airport to Suvarnabhumi Airport?

The data is based on Trip.com data from the past 12 months and shows the average fares by each day of the week from Dulles International Airport to Suvarnabhumi Airport.

Based on Trip.com data from the past 12 months, the cheapest day for flights from Dulles International Airport to Suvarnabhumi Airport is Wednesday, with average prices lower than other days. Try to avoid departing on Saturday, as fares are typically the highest.

S$ 1,067
S$ 924
S$ 781
S$ 638
    Cheapest
  • S$ 893
    Mon
  • S$ 904
    Tue
  • S$ 781
    Wed
  • S$ 995
    Thu
  • S$ 811
    Fri
  • S$ 1,067
    Sat
  • S$ 892
    Sun

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

The cheapest airline flying from Dulles International Airport to Suvarnabhumi Airport is Air Premia (from S$ 519) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From S$ 519
Etihad Airways
From S$ 521
American Airlines
From S$ 563
Korean Air
From S$ 579
Qatar Airways
From S$ 586
Air Canada
From S$ 594
Air China
From S$ 632
Delta Air Lines
From S$ 640
Jetblue Airways
From S$ 671
Saudia
From S$ 684

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. EY006

    Dulles International Airport

    15:10

    IAD

    13h 5m

    Direct

    12:15

    AUH

    S M T W T F S
    Search

  2. EY400

    Zayed International Airport

    14:15

    AUH

    6h 35m

    Direct

    23:50

    BKK

    S M T W T F S

  3. EY006

    Dulles International Airport

    15:10

    IAD

    13h 5m

    Direct

    12:15

    AUH

    S M T W T F S
    Search

  4. EY402

    Zayed International Airport

    21:10

    AUH

    6h 35m

    Direct

    06:45

    BKK

    S M T W T F S

  5. AA2617

    Dulles International Airport

    06:52

    IAD

    3h 18m

    Direct

    09:10

    DFW

    S M T W T F S
    Search

  6. AA061

    Dallas Fort Worth International Airport

    11:15

    DFW

    13h 45m

    Direct

    15:00

    NRT

    S M T W T F S

  7. AA8411

    Narita International Airport

    18:25

    NRT

    6h 35m

    Direct

    23:00

    BKK

    S M T W T F S

  8. EY006

    Dulles International Airport

    15:10

    IAD

    13h 5m

    Direct

    12:15

    AUH

    S M T W T F S
    Search

  9. EY404

    Zayed International Airport

    02:30

    AUH

    6h 40m

    Direct

    12:10

    BKK

    S M T W T F S

  10. EY006

    Dulles International Airport

    15:10

    IAD

    13h 5m

    Direct

    12:15

    AUH

    S M T W T F S
    Search

  11. EY406

    Zayed International Airport

    08:35

    AUH

    6h 35m

    Direct

    18:10

    BKK

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

About Dulles International Airport and Suvarnabhumi Airport

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

Flight distance 14,173.96km
Cheapest one-way ticket price S$ 519
Cheapest return ticket price S$ 1,103

FAQs for Dulles 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 24km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22km, by taxi about 40 minutes.

Popular Destinations & Recommendations

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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.