BKK - IAD

$522 Find Cheap Flights from Bangkok to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$803
Typical prices: $1,108-$1,234
Multiple Airlines
Tue 10/30Tue 11/6
BKK - IAD • 2 stops
Cheapest one-way
$522
Typical prices: $663-$1,060
Thai Airways
Wed 10/24
BKK - IAD • 1 stop
Nonstop 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 travelers who book at least 15 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 12% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Jeddah King Abdulaziz Intl (JED)
Cheapest • Avg $929 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 43m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Bangkok to Dulles Intl

Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
2:30 pm - 10:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
30h 35m2 stops Krabi Abu Dhabi Zayed Intl
Multiple Airlines Logo
11:35 pm - 9:25 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 50m1 stop Incheon Intl
$803Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
SAUDIA Logo
3:20 pm - 2:50 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
34h 30m1 stop Jeddah King Abdulaziz Intl
SAUDIA Logo
5:50 pm - 1:40 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 50m1 stop Riyadh King Khaled Intl
$819SAUDIA
Tue, Oct 20 - Sat, Oct 31
United Airlines Logo
9:35 am - 10:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 30m1 stop Tokyo Haneda
United Airlines Logo
5:29 pm - 11:30 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 01m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
$1,022United Airlines
Tue, Oct 20 - Sat, Oct 31
United Airlines Logo
9:35 am - 10:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 30m1 stop Tokyo Haneda
United Airlines Logo
8:23 am - 5:10 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 47m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,022United Airlines
Mon, Dec 21 - Tue, Jan 12
ANA Logo
10:25 pm - 9:10 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
22h 45m1 stop Tokyo Haneda
ANA Logo
12:49 pm - 6:30 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
29h 41m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,033ANA
Sun, Nov 1 - Sun, Nov 8
ANA Logo
10:25 pm - 3:40 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
29h 15m1 stop Tokyo Haneda
ANA Logo
8:23 am - 10:50 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 27m2 stops Chicago O'Hare Intl Tokyo Narita
$1,052ANA
Sun, Jan 31 - Wed, Feb 24
Qatar Airways Logo
3:00 am - 3:55 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 55m1 stop Doha Hamad Intl
Qatar Airways Logo
8:05 pm - 6:40 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 35m1 stop Doha Hamad Intl
$1,117Qatar Airways
Wed, Nov 18 - Sun, Nov 29
Qatar Airways Logo
8:15 am - 3:55 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
43h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
8:05 pm - 7:25 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
35h 20m1 stop Doha Hamad Intl
$1,133Qatar Airways
Thu, Oct 29 - Mon, Nov 2
Korean Air Logo
1:05 am - 10:50 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 45m1 stop Incheon Intl
Korean Air Logo
11:50 am - 12:20 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
24h 30m1 stop Incheon Intl
$1,147Korean Air
Sun, Oct 4 - Wed, Dec 2
Korean Air Logo
1:35 am - 11:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 30m1 stop Incheon Intl
Korean Air Logo
7:26 am - 10:00 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 34m2 stops Minneapolis St Paul Incheon Intl
$1,411Korean Air
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 from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport with more confidence.

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

Friday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport, it is 5% cheaper than the average day. Monday is the most expensive day with flight prices 2% higher than average. Based on deals found by KAYAK users in the last 12 months.

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 $1,035 round-trip.
•January ($1,230) and February ($1,213) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 18% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 24% 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

January

Cheapest flight

$522
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Bangkok to Dulles Intl

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

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

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

  • 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).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • 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:

    • Doha Hamad Intl (DOH) - 46% of one-stop connections
    • Incheon Intl (ICN) - 31% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 8% of one-stop connections
    • Dubai Intl (DXB) - 5% 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 Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 8% on the Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at $1,115 round-trip on average, while Monday is the most expensive at $1,202, a difference of $87. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $1,171. Book 15 weeks before departure for the lowest fares.

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

    A nonstop flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 8,792 miles.

  • 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 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 $861, which is 12% above the typical average for this route.

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

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 21h 43m, compared with 22h 02m via Istanbul (IST) and 22h 14m via Dubai Intl (DXB).

  • 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 car rental 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 $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Round-trip flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport range from $1,108 to $1,234, with an average of $1,171 over the past 12 months. Anything below $1,108 counts as a good deal.

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 can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $1,115 - about $87 less than Monday (7% 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 24% 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 $1,035 round-trip in that month - typically $195 less than the most expensive month, which is January (based on the last 12 months).

More options for your flight from Bangkok to Dulles Intl

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

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