IAD - BKK

฿12,981 Find Cheap Flights from Washington Dulles Airport to Bangkok Suvarnabhumi Airport – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿26,489
Typical prices: ฿30,309-฿43,519
ซาอุเดียแอร์ไลน์
Thu 1/11Sun 11/11
IAD - BKK • 1 stop
Cheapest one-way flight
฿12,981
Typical prices: ฿15,738-฿23,563
เอทิฮัดแอร์เวย์
Sat 13/10
IAD - BKK • 1 stop
Direct flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Bangkok Suvarnabhumi Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travellers who book at least 17 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 12% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Beijing Capital (PEK)
Cheapest • Avg ฿29,857 (return)
Vancouver Intl (YVR)
Shortest trip • 22h 28m (one-way)
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Insights
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We hope you enjoy your trip to Bangkok Suvarnabhumi Airport!
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Flight Deals

Cheap Flights from Dulles Intl to Suvarnabhumi (IAD-BKK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dulles Intl to Suvarnabhumi

Sun 1 Nov - Wed 11 Nov
ซาอุเดียแอร์ไลน์ Logo
17:50 - 13:40IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 50m1 stop Riyadh King Khaled Intl
ซาอุเดียแอร์ไลน์ Logo
15:20 - 13:50BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
34h 30m1 stop Jeddah King Abdulaziz Intl
฿26,489ซาอุเดียแอร์ไลน์
Mon 15 Feb - Tue 23 Feb
เอทิฮัดแอร์เวย์ Logo
14:35 - 07:15IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
28h 40m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
19:55 - 09:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 10m1 stop Abu Dhabi Zayed Intl
฿29,257เอทิฮัดแอร์เวย์
Mon 25 Jan - Mon 8 Feb
เอทิฮัดแอร์เวย์ Logo
14:35 - 23:20IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
20h 45m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
08:30 - 09:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 35m1 stop Abu Dhabi Zayed Intl
฿29,257เอทิฮัดแอร์เวย์
Thu 1 Oct - Thu 15 Oct
Qatar Airways Logo
11:05 - 20:25IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Doha Hamad Intl
Qatar Airways Logo
02:30 - 15:40BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 10m1 stop Doha Hamad Intl
฿29,290Qatar Airways
Tue 10 Nov - Tue 1 Dec
Korean Air Logo
11:50 - 13:25IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
37h 35m1 stop Incheon Intl
Korean Air Logo
23:15 - 17:33BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
30h 18m2 stops Incheon Intl New York John F Kennedy Intl
฿29,356Korean Air
Wed 20 Jan - Wed 3 Feb
Korean Air Logo
11:50 - 00:20IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
24h 30m1 stop Incheon Intl
Korean Air Logo
21:40 - 09:50BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 10m1 stop Incheon Intl
฿29,422Korean Air
Wed 13 Jan - Wed 27 Jan
Korean Air Logo
11:50 - 23:05IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
23h 15m1 stop Incheon Intl
Korean Air Logo
01:05 - 17:30BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
28h 25m2 stops Incheon Intl New York John F Kennedy Intl
฿29,488Korean Air
Thu 5 Nov - Tue 10 Nov
เตอร์กิชแอร์ไลน์ Logo
14:30 - 04:30IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 00m1 stop Istanbul
เตอร์กิชแอร์ไลน์ Logo
06:10 - 11:45BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
41h 35m1 stop Istanbul
฿32,782เตอร์กิชแอร์ไลน์
Mon 9 Nov - Thu 12 Nov
เตอร์กิชแอร์ไลน์ Logo
13:30 - 04:20IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 50m1 stop Istanbul
เตอร์กิชแอร์ไลน์ Logo
22:10 - 11:45BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 35m1 stop Istanbul
฿33,276เตอร์กิชแอร์ไลน์
Sat 21 Nov - Wed 25 Nov
เตอร์กิชแอร์ไลน์ Logo
21:20 - 04:30IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
43h 10m1 stop Istanbul
เตอร์กิชแอร์ไลน์ Logo
06:10 - 19:25BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 15m1 stop Istanbul
฿34,034เตอร์กิชแอร์ไลน์
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport with more confidence.

How much is a return flight from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

Return flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport start at ฿26,489. Prices are below average for this route right now, with typical return fares ranging from ฿30,309 to ฿43,519. The lowest price found in the past 5 days was ฿26,489 on ซาอุเดียแอร์ไลน์.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

Sunday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport and is 7% cheaper than the average day. Saturday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

  • September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport at ฿30,871 return.
  • December (฿60,029) and June (฿42,469) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 94% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport are cheapest 17 weeks before departure. Booking in this window typically costs about 17% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flights

Low season

August

Cheapest flight

฿12,981
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly (71% more expensive on average)
Flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport

When to book flights from Dulles Intl to Suvarnabhumi

Are your dates flexible? Find out the best times to travel from Dulles Intl to Suvarnabhumi based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What is the most suitable means of transport to the city center from BKK airport?

    The Airport Rail Link is both the quickest and most cost-effective method to go from the airport to the heart of Bangkok. Follow the signs that direct you to the railway station which is situated on the ground level of the building's basement.

  • Are there car rental companies at BKK airport?

    There are a number of local and international automobile rental companies located at Bangkok Suvarnabhumi Airport. Some of these companies include Avis, Budget, Europcar, and Chic Car Rent. The rental cars are situated in close proximity to the parking lot at BKK airport.

  • Is there a place to sleep at Dulles airport?

    At Washington Dulles International Airport, Sleepbox has installed sixteen pods that are offered for rent on an hourly basis. They are located in the A concourse. The quickest and most convenient way to find them is by taking the train to concourse A. Proceed forward to the escalator and the Sleepbox will be on the right side of the stairs

  • Are there parking services at IAD airport?

    Long-term parking options at Dulles International Airport include the terminal daily lot, garages 1 and 2, economy lot, and valet parking. You also have the option to reserve a parking place in advance at an off-site long-term parking facility. This establishment has daily rates as low as $6 and provides free shuttle service to and from the airport.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    Flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Bangkok Suvarnabhumi (BKK).

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    Only Economy class is available on flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport most commonly connect through:

    • Doha Hamad Intl (DOH) – 39% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 26% of one-stop connections
    • Istanbul (IST) – 11% of one-stop connections
    • Incheon Intl (ICN) – 10% of one-stop connections

    Doha Hamad Intl (DOH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    On the Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport route, being flexible with your departure day can save you up to 16%. Sunday is the cheapest day at ฿32,980 return on average, while Saturday is the most expensive at ฿39,042 – a ฿6,062 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Bangkok Suvarnabhumi Airport?

    Some of the most popular sights in Bangkok Suvarnabhumi Airport are Victory Monument, Thammasat University, and Centralworld. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 12% above the route average of ฿35,075. Book 17 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    A direct flight from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport takes 0h 00m, covering 22,770 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport are currently in line with typical prices for this route. Average one-way fares are about ฿19,353.

  • How much time can I save by choosing a different stopover airport from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time of 22h 28m, compared to 22h 37m via Dubai Intl (DXB) and 22h 38m via Taipei City Taiwan Taoyuan Intl (TPE).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Bangkok Suvarnabhumi Airport?

    Bangkok Suvarnabhumi Airport is 11 hours ahead of Washington, D.C. Dulles Intl Airport (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Bangkok Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car hire companies, with daily rates starting from around ฿442 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flight?

    Return flights from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport range from ฿30,309 to ฿43,519, with an average of ฿35,075 over the past 12 months. Anything below ฿30,309 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure instead of Saturday. On this route, Sunday flights average ฿32,980 – about ฿6,062 less than Saturday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 17% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport trip for September. Fares historically average ฿30,871 return in that month – typically ฿29,158 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Suvarnabhumi Airport.
    - Regency Bangkok Suvarnabhumi Airpor
    - Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
    - Suvarnabhumi Ville Airport Hotel
  • Make use of the lounges available at both the Dulles International Airport (IAD) and the Suvarnabhumi Airport (BKK). They may be found in both airports and offer charging areas, internet access, and showers.
  • At IAD airport, there are a total of eight designated rooms for nursing parents. These rooms are spread out over the airport and are intended to provide privacy and comfort for nursing parents. You can find them on the arrivals level just across from the baggage claim numbers 2, 6, 11, and 14.
  • There are several pet relief areas at Dulles International Airport. Two of these areas are situated outside the terminal (before security), while the other two are located on the concourses (post-security).
  • After passing through immigration and customs at BKK airport, you will find that the airport terminal is dotted with ATMs. There is a charge of 220 baht associated with each withdrawal. Except for Citibank and AEON, all of the Thai banks have the same fee structure. Citibank withdrawals are free for Citibank cardholders. At Bangkok's Suvarnabhumi Airport, there are a number of currency exchange kiosks that are open all day, every day. These booths are located near the arrivals area. Upon arrival, you will have the opportunity to exchange part of your foreign currency for Thai baht. This will allow you to pay for the cab ride to your accommodation.
  • If a passenger needs wheelchair assistance through the airport, they are recommended to make a request for one when booking or at least 24 hours before their scheduled arrival time. There are no additional fees for using the wheelchair service that Bangkok Airways provides.

More options for your flight from Dulles Intl to Suvarnabhumi

Complete your trip to Suvarnabhumi with a hotel stay or car hire

Car rentals in Bangkok
Hotels in Bangkok