BKK - IAD

$422 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
$782
Typical prices: $1,054-$1,241
AIR PREMIA
Sun 3/4Sat 3/24
BKK - IAD • 1 stop
Cheapest one-way
$441
Typical prices: $615-$923
AIR PREMIA
Sun 2/4
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 22% compared to booking last minute.
Insights
Insights
When to travel
July
Cheapest • 9% 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)
Istanbul (IST)
Shortest trip • 21h 59m (one-way)
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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

Thu, Mar 4 - Wed, Mar 24
AIR PREMIA Logo
10:55 pm - 8:35 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
33h 40m1 stop Incheon Intl
AIR PREMIA Logo
12:35 am - 9:25 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 50m1 stop Incheon Intl
$782AIR PREMIA
Sat, Dec 19 - Fri, Jan 15
SAUDIA Logo
3:20 pm - 2:45 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 25m1 stop Riyadh King Khaled Intl
SAUDIA Logo
5:50 pm - 1:40 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 50m1 stop Riyadh King Khaled Intl
$861SAUDIA
Sun, Feb 7 - Tue, Feb 23
United Airlines Logo
9:10 am - 9:10 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Tokyo Haneda
United Airlines Logo
12:55 pm - 5:10 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
28h 15m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,036United Airlines
Sun, Feb 7 - Tue, Feb 23
United Airlines Logo
9:10 am - 9:10 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Tokyo Haneda
United Airlines Logo
8:24 am - 11:30 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
39h 06m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
$1,036United Airlines
Mon, Mar 8 - Mon, Aug 23
ANA Logo
2:20 pm - 9:10 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
30h 50m1 stop Tokyo Haneda
ANA Logo
3:35 pm - 4:35 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,066ANA
Mon, Mar 8 - Mon, Aug 23
ANA Logo
10:25 pm - 9:10 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
22h 45m1 stop Tokyo Haneda
ANA Logo
3:35 pm - 4:35 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,066ANA
Mon, Mar 8 - Mon, Aug 9
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
9:00 pm - 7:05 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
35h 05m1 stop Doha Hamad Intl
$1,243Qatar Airways
Mon, Mar 8 - Mon, Aug 9
Qatar Airways Logo
8:35 pm - 3:55 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
31h 20m1 stop Doha Hamad Intl
Qatar Airways Logo
11:00 am - 7:05 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
21h 05m1 stop Doha Hamad Intl
$1,254Qatar Airways
Mon, Mar 8 - Mon, Aug 9
Korean Air Logo
9:50 am - 9:50 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Incheon Intl
Korean Air Logo
1:30 pm - 1:35 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
37h 05m1 stop Incheon Intl
$1,254Korean Air
Mon, Mar 8 - Mon, Aug 23
Korean Air Logo
9:50 am - 9:50 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Incheon Intl
Korean Air Logo
1:30 pm - 1:35 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
37h 05m1 stop Incheon Intl
$1,258Korean 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 with more confidence.

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

Round-trip flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport typically range from $1,054 to $1,241. The lowest price found in the past 5 days was $782, on AIR PREMIA.

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, Sunday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. It’s 3% cheaper than the average day, while Saturday is the most expensive, with prices 7% higher.

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

•July is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport at $1,054 round-trip.
•February ($1,230) and June ($1,202) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 16% 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 22% 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

$441
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 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 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 $1,054 to $1,241, with an average of $1,165 over the past 12 months. Anything below $1,054 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 4% above the $1,165 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 in line with typical prices for this route. Average one-way fares are about $720.

  • 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 averaging $70 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 9% on flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. Sunday is the cheapest departure day at $1,137 round-trip on average, while Saturday is the most expensive at $1,248, a difference of $111.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 Istanbul (IST) gives the shortest average 1-stop total travel time at 21h 59m, compared with 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 12 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 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.

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 Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $1,137, about $111 less than Saturday fares (9% 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 22% 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 July. Fares historically average $1,054 round-trip in that month - typically $176 less than the most expensive month, which is February (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

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