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

Air Canada and Turkish Airlines 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 37% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 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 February 2026, there are 4 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.

$592 Cheap Flights from Bangkok to Washington, D.C. Dulles Intl Airport in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bangkok to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 pm - 7:30 pm

BKK

IAD

35h 00m

1 stop

3:10 pm - 6:15 am

IAD

BKK

28h 05m

1 stop

$904Multiple Airlines

Mon, Mar 9 - Mon, May 4

7:30 pm - 6:30 pm

BKK

IAD

35h 00m

1 stop

3:10 pm - 6:15 am

IAD

BKK

28h 05m

1 stop

$928Multiple Airlines

Thu, Mar 5 - Mon, May 4

1:40 pm - 9:45 am

DMK

IAD

55h 05m

2 stops

1:20 pm - 3:50 pm

IAD

DMK

39h 30m

1 stop

$932Multiple Airlines

Mon, Apr 27 - Mon, Aug 3

1:40 pm - 9:45 am

DMK

IAD

55h 05m

2 stops

1:20 pm - 3:50 pm

IAD

DMK

39h 30m

1 stop

$933Multiple Airlines

Sun, Apr 26 - Mon, Aug 3

5:55 pm - 6:30 pm

BKK

IAD

36h 35m

2 stops

3:10 pm - 11:50 am

IAD

BKK

33h 40m

1 stop

$938Multiple Airlines

Thu, Mar 5 - Mon, May 4

5:55 pm - 7:30 pm

BKK

IAD

36h 35m

2 stops

3:10 pm - 6:10 pm

IAD

BKK

40h 00m

1 stop

$939Multiple Airlines

Mon, Mar 9 - Mon, May 4

10:50 pm - 9:45 am

DMK

IAD

45h 55m

2 stops

1:20 pm - 3:30 pm

IAD

DMK

39h 10m

1 stop

$999Multiple Airlines

Sun, Apr 19 - Wed, Sep 16

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

$1,012AIR PREMIA

Sun, May 10 - Sun, Sep 13

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

$1,013AIR PREMIA

Thu, May 21 - Fri, Jun 5

1:20 am - 2:24 pm

BKK

IAD

48h 04m

2 stops

5:50 pm - 5:05 am

IAD

BKK

48h 15m

2 stops

$1,014Air Canada

Sat, May 9 - Sun, Sep 13

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

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

SAUDIA

May 4

BKK1:50 amBangkok Suvarnabhumi

24h 55m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Aug 29

IAD6:50 pmWashington, D.C. Dulles Intl

31h 50m

1 stop

BKK1:40 pmBangkok Suvarnabhumi

$1,058

SAUDIA

Feb 18

BKK1:15 amBangkok Suvarnabhumi

25h 30m

1 stop

IAD2:45 pmWashington, D.C. Dulles Intl

Feb 28

IAD6:10 pmWashington, D.C. Dulles Intl

41h 20m

1 stop

BKK11:30 pmBangkok Suvarnabhumi

$3,995

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

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

ANA

May 5

BKK7:00 amBangkok Suvarnabhumi

23h 28m

2 stops

IAD7:28 pmWashington, D.C. Dulles Intl

Aug 26

IAD12:15 pmWashington, D.C. Dulles Intl

29h 20m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,091

ANA

Feb 22

BKK10:25 pmBangkok Suvarnabhumi

29h 15m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Mar 1

IAD12:20 pmWashington, D.C. Dulles Intl

40h 00m

1 stop

BKK4:20 pmBangkok Suvarnabhumi

$4,730

ANA

Feb 19

BKK9:10 amBangkok Suvarnabhumi

36h 00m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Feb 28

IAD1:20 pmWashington, D.C. Dulles Intl

47h 00m

2 stops

BKK12:20 amBangkok Suvarnabhumi

$4,774

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 3/9

7:30 pm-7:30 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-6:15 am

1 stop28h 05m

$904

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

7:30 pm-6:30 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-6:15 am

1 stop28h 05m

$928

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 4/27

1:40 pm-9:45 am

2 stops55h 05m

Washington, D.C. Dulles Intl

Mon 8/3

1:20 pm-3:50 pm

1 stop39h 30m

$932

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sun 4/26

1:40 pm-9:45 am

2 stops55h 05m

Washington, D.C. Dulles Intl

Mon 8/3

1:20 pm-3:50 pm

1 stop39h 30m

$933

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

5:55 pm-6:30 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-11:50 am

1 stop33h 40m

$938

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/9

5:55 pm-7:30 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-6:10 pm

1 stop40h 00m

$939

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sun 4/19

10:50 pm-9:45 am

2 stops45h 55m

Washington, D.C. Dulles Intl

Wed 9/16

1:20 pm-3:30 pm

1 stop39h 10m

$999

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 5/10

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Sun 9/13

1:20 pm-9:10 pm

1 stop44h 50m

$1,012

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/21

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Fri 6/5

1:20 pm-9:10 pm

1 stop44h 50m

$1,013

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 5/9

1:20 am-2:24 pm

2 stops48h 04m

Washington, D.C. Dulles Intl

Sun 9/13

5:50 pm-5:05 am

2 stops48h 15m

$1,014

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 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 March is also cheap. Prices for this month can be found on momondo for an average of $1,042.

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 $1,178 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	23h 05m
Direct flights	None

The fastest flight from Bangkok to Washington, D.C. Dulles Intl Airport takes 23h 05m

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 23h 05m 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 February 2026, there are 4 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 $1,039	Free Cancellation	Rating 7.4 9,279 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,065	Free Cancellation	Rating 8.4 1,191 reviews	Search Korean Air flights
ANA	PriceFrom $1,109	Free Cancellation	Rating 8.4 1,090 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,134	Free Cancellation	Rating 7.4 3,731 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Tysons

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Sterling

Fairfax

Linthicum Heights

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 3/14

Sat 3/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

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

Popular cities

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New York John F Kennedy Intl Airportfrom $55

Flights to Newark Airportfrom $52

Flights to New York LaGuardia Airportfrom $55

Flights to Chicago O'Hare Intl Airportfrom $55

Flights to Dallas/Fort Worth Airportfrom $54

Flights to Washington, D.C. Reagan-National Airportfrom $78

Flights to Orlando Airportfrom $52

Flights to Chicago Midway Airportfrom $56

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

Cheap flights from Bangkok to Washington, D.C. from $592

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 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Bangkok to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

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

Our best ANA 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 cheapest month to fly 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?

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

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

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year