What is the cheapest airline that flies from Bangkok to Washington, D.C. Dulles Intl?

Air China and IndiGo are the most popular carriers operating from Bangkok to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Korean Air, Qatar Airways and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Bangkok according to our data. Korean Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Bangkok to Washington, D.C. Dulles Intl Airport?

As of December 2025, there are 5 operators available to choose from for flights from Bangkok to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Bangkok to Washington, D.C. Dulles Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$641 Cheap Flights from Bangkok to Washington, D.C. Dulles Intl Airport in 2025/26

Q: What is the typical price of a round-trip flight between Bangkok and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,134 to $1,692. The lowest price recently found on this route was $949.

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10:10 am - 7:20 pm

BKK

IAD

45h 10m2 stops

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

$949Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

10:50 am - 7:20 pm

BKK

IAD

44h 30m2 stops

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

$983Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

10:10 am - 7:20 pm

BKK

IAD

45h 10m2 stops

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

$990Multiple Airlines

Tue, Feb 17 - Wed, Feb 25

9:25 am - 9:05 am

BKK

IAD

35h 40m1 stop

2:35 pm - 5:55 am

IAD

BKK

27h 20m1 stop

$1,003Etihad Airways

Wed, Feb 4 - Wed, Feb 11

10:10 am - 7:20 pm

BKK

IAD

45h 10m2 stops

9:15 pm - 9:05 pm

IAD

BKK

35h 50m2 stops

$1,004IndiGo

Mon, Feb 2 - Mon, Feb 9

1:20 pm - 4:26 pm

BKK

IAD

39h 06m2 stops

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

$1,021Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

10:50 am - 7:20 pm

BKK

IAD

44h 30m2 stops

9:15 pm - 9:05 pm

IAD

BKK

35h 50m2 stops

$1,031IndiGo

Wed, Feb 4 - Wed, Feb 11

2:40 am - 5:05 pm

BKK

IAD

49h 25m2 stops

7:01 pm - 4:20 pm

IAD

BKK

34h 19m2 stops

$1,036Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

11:55 pm - 3:49 pm

BKK

IAD

51h 54m2 stops

9:45 am - 6:30 am

IAD

BKK

32h 45m2 stops

$1,047Air Canada

Wed, Feb 4 - Wed, Feb 11

10:10 am - 7:20 pm

BKK

IAD

45h 10m2 stops

9:15 pm - 7:50 pm

IAD

BKK

34h 35m2 stops

$1,049IndiGo

Tue, Feb 17 - Wed, Feb 25

Etihad Airways flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best Etihad Airways deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets

Etihad Airways

Feb 4

BKK9:25 amBangkok Suvarnabhumi

35h 40m

1 stop

IAD9:05 amWashington, D.C. Dulles Intl

Feb 11

IAD2:35 pmWashington, D.C. Dulles Intl

27h 20m

1 stop

BKK5:55 amBangkok Suvarnabhumi

$1,003

Find similar

Etihad Airways

Apr 21

BKK3:15 amBangkok Suvarnabhumi

41h 30m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

Apr 28

IAD3:35 pmWashington, D.C. Dulles Intl

21h 15m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

$1,127

Find similar

Etihad Airways

Apr 25

BKK9:10 amBangkok Suvarnabhumi

35h 35m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

May 2

IAD3:35 pmWashington, D.C. Dulles Intl

27h 55m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$1,146

Find similar

IndiGo flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best IndiGo deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets

IndiGo

Feb 4

BKK10:50 amBangkok Suvarnabhumi

44h 30m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

Feb 11

IAD9:15 pmWashington, D.C. Dulles Intl

35h 50m

2 stops

BKK9:05 pmBangkok Suvarnabhumi

$1,031

Find similar

IndiGo

Feb 17

BKK10:10 amBangkok Suvarnabhumi

45h 10m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

Feb 25

IAD9:15 pmWashington, D.C. Dulles Intl

34h 35m

2 stops

BKK7:50 pmBangkok Suvarnabhumi

$1,049

Find similar

IndiGo

Jan 1

BKK10:50 amBangkok Suvarnabhumi

44h 30m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

Jan 15

IAD1:30 pmWashington, D.C. Dulles Intl

43h 35m

2 stops

BKK9:05 pmBangkok Suvarnabhumi

$1,904

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Bangkok to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/2

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Mon 2/9

2:35 pm-11:25 pm

1 stop20h 50m

$949

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/2

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Mon 2/9

2:35 pm-11:25 pm

1 stop20h 50m

$983

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 2/17

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Wed 2/25

2:35 pm-11:25 pm

1 stop20h 50m

$990

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

9:25 am-9:05 am

1 stop35h 40m

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-5:55 am

1 stop27h 20m

$1,003

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/2

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Mon 2/9

9:15 pm-9:05 pm

2 stops35h 50m

$1,004

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

1:20 pm-4:26 pm

2 stops39h 06m

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-11:25 pm

1 stop20h 50m

$1,021

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Wed 2/11

9:15 pm-9:05 pm

2 stops35h 50m

$1,031

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/21

2:40 am-5:05 pm

2 stops49h 25m

Washington, D.C. Dulles Intl

Tue 4/28

7:01 pm-4:20 pm

2 stops34h 19m

$1,036

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

11:55 pm-3:49 pm

2 stops51h 54m

Washington, D.C. Dulles Intl

Wed 2/11

9:45 am-6:30 am

2 stops32h 45m

$1,047

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 2/17

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Wed 2/25

9:15 pm-7:50 pm

2 stops34h 35m

$1,049

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangkok to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Bangkok and Washington, D.C. Dulles Intl Airport?

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

In general, July is the cheapest month to fly from Bangkok to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,029. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,043.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,053. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to Washington, D.C. Dulles Intl Airport for around $1,303.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Bangkok in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,134 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,234 on average. Flights to Washington, D.C. Dulles Intl Airport from Bangkok in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Bangkok for as low as $1,011 on momondo.

Cheap Bangkok to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to Washington, D.C. Dulles Intl Airport

Fastest flight time	24h 55m
Direct flights	None

The fastest flight from Bangkok to Washington, D.C. Dulles Intl Airport takes 24h 55m

There are no direct flights from Bangkok to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Bangkok to Washington, D.C. Dulles Intl Airport.

Search flight deals

How far is Bangkok to Washington, D.C. Dulles Intl by plane?
A flight from Bangkok to Washington, D.C. Dulles Intl will travel around 8786.6 mi. Typically, this will take 24h 55m by plane in normal conditions.
When did momondo last update prices for flights from Bangkok to Washington, D.C. Dulles Intl Airport?
Prices for flights from Bangkok to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Bangkok to Washington, D.C. Dulles Intl Airport?
As of December 2025, there are 5 operators available to choose from for flights from Bangkok to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Bangkok to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Bangkok to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Bangkok to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $992	Free Cancellation	Rating 7.4 9,103 reviews	Search United Airlines flights
ANA	PriceFrom $1,011	Free Cancellation	Rating 8.4 1,034 reviews	Search ANA flights
Korean Air	PriceFrom $1,033	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.4 3,686 reviews	Search Qatar Airways flights
Emirates	PriceFrom $1,392	Free Cancellation	Rating 8.1 3,441 reviews	Search Emirates flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Harpers Ferry

Rockville

Gaithersburg

Reston

Manassas

Sterling

Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Washington, D.C.?

It is quick and easy to find Bangkok to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Bangkok to Washington, D.C. with flexible booking policies on momondo?

Flights from Bangkok to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Bangkok to Washington, D.C.?

Once you have performed a search for Bangkok to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bangkok to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Bangkok. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Wed 1/21

Wed 1/28

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Cheap flights from Bangkok to Washington, D.C. from $641

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Washington, D.C. departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Etihad Airways flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best Etihad Airways deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets

IndiGo flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best IndiGo deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Bangkok to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bangkok to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Bangkok and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest airline that flies from Bangkok to Washington, D.C. Dulles Intl?

Air China and IndiGo are the most popular carriers operating from Bangkok to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Cheap Bangkok to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

How far is Bangkok to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Bangkok to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Bangkok to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Bangkok to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Bangkok to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Bangkok to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Washington, D.C.?

Can I find flights from Bangkok to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Bangkok to Washington, D.C.?

I’m not ready to book a flight from Bangkok to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo