BKK - IAD

฿14,930 Find Cheap Flights from Bangkok Suvarnabhumi Airport to Washington Dulles Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿25,975
Typical prices: ฿35,336-฿41,773
Air China, AIR PREMIA
Mon 19/11Tue 27/11
BKK - IAD • 1 stop
Cheapest one-way flight
฿14,930
Typical prices: ฿21,517-฿34,068
AIR PREMIA
Sun 18/2
BKK - IAD • 1 stop
Direct flights
Not available
There are currently no direct flights between Bangkok Suvarnabhumi Airport and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 23% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 9% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Jeddah King Abdulaziz Intl (JED)
Cheapest • Avg ฿31,376 (return)
Istanbul (IST)
Shortest trip • 21h 59m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from Suvarnabhumi to Dulles Intl

Thu 19 Nov - Fri 27 Nov
Multiple Airlines Logo
01:30 - 18:30BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
29h 00m1 stop Beijing Capital
Multiple Airlines Logo
23:35 - 21:25IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 50m1 stop Incheon Intl
฿25,975Multiple Airlines
3+ days ago
Thu 4 Mar - Wed 24 Mar
AIR PREMIA Logo
22:55 - 20:35BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
33h 40m1 stop Incheon Intl
AIR PREMIA Logo
00:35 - 21:25IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 50m1 stop Incheon Intl
฿26,414AIR PREMIA
3+ days ago
Sun 7 Mar - Mon 23 Aug
เอทิฮัดแอร์เวย์ Logo
02:55 - 09:00BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 05m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
15:10 - 07:15IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
29h 05m1 stop Abu Dhabi Zayed Intl
฿34,791เอทิฮัดแอร์เวย์
1 day ago
Sun 7 Mar - Mon 23 Aug
เอทิฮัดแอร์เวย์ Logo
02:55 - 09:00BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 05m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
15:10 - 07:15IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
29h 05m1 stop Abu Dhabi Zayed Intl
฿34,824เอทิฮัดแอร์เวย์
3+ days ago
Tue 10 Nov - Wed 25 Nov
United Airlines Logo
09:10 - 11:52BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
38h 42m2 stops Tokyo Haneda Chicago O'Hare Intl
United Airlines Logo
22:10 - 11:30IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
49h 20m2 stops Los Angeles Hong Kong Intl
฿35,162United Airlines
1 day ago
Sat 23 Jan - Fri 29 Jan
United Airlines Logo
09:10 - 21:18BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
48h 08m2 stops Tokyo Haneda Chicago O'Hare Intl
United Airlines Logo
22:37 - 11:30IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
48h 53m2 stops Los Angeles Hong Kong Intl
฿35,196United Airlines
3+ days ago
Tue 6 Apr - Tue 11 May
ANA Logo
13:55 - 10:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
31h 10m1 stop Tokyo Haneda
ANA Logo
15:35 - 04:35IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda
฿36,176ANA
3+ days ago
Tue 19 Jan - Fri 22 Jan
ANA Logo
14:20 - 13:33BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
59h 13m2 stops Tokyo Haneda Chicago O'Hare Intl
ANA Logo
11:10 - 16:20IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
41h 10m1 stop Tokyo Haneda
฿36,311ANA
3+ days ago
Sun 7 Mar - Mon 9 Aug
Qatar Airways Logo
03:00 - 15:55BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 55m1 stop Doha Hamad Intl
Qatar Airways Logo
21:00 - 06:20IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Doha Hamad Intl
฿41,344Qatar Airways
3+ days ago
Mon 8 Mar - Mon 9 Aug
Qatar Airways Logo
20:35 - 15:55BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
31h 20m1 stop Doha Hamad Intl
Qatar Airways Logo
21:00 - 19:05IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
35h 05m1 stop Doha Hamad Intl
฿42,154Qatar Airways
3+ days ago
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. It's 10% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

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

•March is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport at ฿35,331 return.
•February (฿41,546) and June (฿40,600) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 17% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 23% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

August

Cheapest flight

฿14,930
Beat the crowds with an average 44% drop in travellers.
The most popular month to fly with an average 72% increase in travellers.
One-way flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Suvarnabhumi to Dulles Intl

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

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

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

    Three cabin classes are available on flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

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

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

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl 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 much should I expect to pay for a Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport range from ฿35,336 to ฿41,773, with an average of ฿38,974 over the past 12 months. Anything below ฿35,336 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 6% above the ฿38,974 route average. Book 15 weeks before departure for the lowest fares.

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

    One-way fares from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about ฿43,056, which is 70% above the typical average for this route.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around ฿805 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

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

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

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

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

    • Incheon Intl (ICN) – 32% of one-stop connections
    • Doha Hamad Intl (DOH) – 29% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 12% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 16% on flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. Friday is the cheapest departure day at ฿35,365 return on average, while Saturday is the most expensive at ฿41,614, a difference of ฿6,249.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Istanbul (IST) gives the shortest average 1-stop total travel time of 21h 59m, compared to 22h 14m via Dubai Intl (DXB) and 22h 55m via Taipei City Taiwan Taoyuan Intl (TPE).

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

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

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Vietnam Veterans Memorial and Nationals Park. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl 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 Friday departure and avoid flying on Saturday. On this route, Friday flights average ฿35,365, which is about ฿6,249 less than Saturday fares (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 23% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport trip for March. Fares historically average ฿35,331 return in that month – typically ฿6,215 less than the most expensive month, which is February (based on the last 12 months).

More options for your flight from Suvarnabhumi to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car hire

Car rentals in Washington, D.C.
Hotels in Washington, D.C.