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

Qatar Airways and Oman Air are the most popular carriers operating from Thailand to Washington, D.C. Dulles Intl

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

Korean Air, Qatar Airways and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Thailand according to our data. Korean Air is the first choice among our users, with 35% 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 long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Thailand to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Bangkok and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 28h 35m on average. Another popular route from Thailand to Washington, D.C. Dulles Intl Airport is flying from Chiang Mai to Washington, D.C. Dulles Intl Airport, which will take roughly 30h 40m. Keep in mind that layovers or delays could extend your travel time.

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

As of April 2026, there are 5 operators available to choose from for flights from Thailand to Washington, D.C. Dulles Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand 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.

$617 Cheap Flights from Thailand to Washington, D.C. Dulles Intl Airport in 2026

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Recent round-trip flight deals from Thailand to Washington, D.C.

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9:50 am - 12:51 am

BKK

IAD

26h 01m

2 stops

6:00 am - 9:45 pm

IAD

BKK

28h 45m

2 stops

$1,102Delta

Mon, May 25 - Wed, Sep 16

7:45 pm - 6:10 pm

BKK

IAD

33h 25m

1 stop

3:10 pm - 6:45 am

IAD

BKK

28h 35m

1 stop

$1,107Multiple Airlines

Sun, May 3 - Thu, May 7

9:40 pm - 12:15 am

BKK

IAD

37h 35m

2 stops

7:05 am - 12:45 am

IAD

BKK

29h 40m

2 stops

$1,108Delta

Thu, May 7 - Thu, Nov 5

7:40 pm - 6:10 pm

BKK

IAD

33h 30m

1 stop

8:05 pm - 6:25 pm

IAD

BKK

34h 20m

1 stop

$1,110Qatar Airways

Thu, May 7 - Thu, Nov 5

1:55 pm - 1:55 pm

BKK

IAD

35h 00m

2 stops

12:35 pm - 4:35 am

IAD

BKK

29h 00m

1 stop

$1,113ANA

Thu, Aug 27 - Thu, Sep 10

1:20 am - 12:09 am

BKK

IAD

33h 49m

2 stops

8:05 pm - 6:40 am

IAD

BKK

22h 35m

1 stop

$1,114Multiple Airlines

Wed, May 6 - Thu, Nov 5

9:35 am - 3:58 pm

BKK

IAD

41h 23m

2 stops

6:30 am - 4:35 am

IAD

BKK

35h 05m

2 stops

$1,117United Airlines

Wed, Apr 29 - Tue, May 5

9:15 am - 8:45 am

BKK

IAD

34h 30m

1 stop

9:00 pm - 6:20 am

IAD

BKK

22h 20m

1 stop

$1,118Qatar Airways

Wed, Jun 24 - Mon, Sep 7

9:45 pm - 11:05 am

CNX

IAD

24h 20m

1 stop

7:00 am - 8:45 pm

IAD

CNX

26h 45m

2 stops

$1,621Korean Air

Thu, Sep 3 - Mon, Sep 7

9:45 pm - 11:05 am

CNX

IAD

24h 20m

1 stop

7:00 am - 8:45 pm

IAD

CNX

26h 45m

2 stops

$1,629Korean Air

Thu, Sep 3 - Mon, Sep 7

Delta flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

Delta

May 25

BKK9:50 amBangkok Suvarnabhumi

26h 01m

2 stops

IAD12:51 amWashington, D.C. Dulles Intl

Sep 16

IAD6:00 amWashington, D.C. Dulles Intl

28h 45m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

$1,102

Delta

May 7

BKK9:40 pmBangkok Suvarnabhumi

37h 35m

2 stops

IAD12:15 amWashington, D.C. Dulles Intl

Nov 5

IAD7:05 amWashington, D.C. Dulles Intl

29h 40m

2 stops

BKK12:45 amBangkok Suvarnabhumi

$1,108

Delta

Jun 10

BKK9:50 amBangkok Suvarnabhumi

25h 35m

2 stops

IAD12:25 amWashington, D.C. Dulles Intl

Aug 12

IAD7:00 amWashington, D.C. Dulles Intl

29h 35m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

$1,115

Air China flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

Air China

May 11

BKK1:30 amBangkok Suvarnabhumi

29h 00m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

May 19

IAD11:00 pmWashington, D.C. Dulles Intl

32h 20m

1 stop

BKK6:20 pmBangkok Suvarnabhumi

$1,139

Air China

Apr 29

BKK7:15 pmBangkok Suvarnabhumi

59h 15m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

May 5

IAD11:00 pmWashington, D.C. Dulles Intl

31h 05m

2 stops

BKK5:05 pmBangkok Suvarnabhumi

$1,438

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 5/25

9:50 am-12:51 am

2 stops26h 01m

Washington, D.C. Dulles Intl

Wed 9/16

6:00 am-9:45 pm

2 stops28h 45m

$1,102

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 5/3

7:45 pm-6:10 pm

1 stop33h 25m

Washington, D.C. Dulles Intl

Thu 5/7

3:10 pm-6:45 am

1 stop28h 35m

$1,107

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/7

9:40 pm-12:15 am

2 stops37h 35m

Washington, D.C. Dulles Intl

Thu 11/5

7:05 am-12:45 am

2 stops29h 40m

$1,108

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/7

7:40 pm-6:10 pm

1 stop33h 30m

Washington, D.C. Dulles Intl

Thu 11/5

8:05 pm-6:25 pm

1 stop34h 20m

$1,110

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 8/27

1:55 pm-1:55 pm

2 stops35h 00m

Washington, D.C. Dulles Intl

Thu 9/10

12:35 pm-4:35 am

1 stop29h 00m

$1,113

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/6

1:20 am-12:09 am

2 stops33h 49m

Washington, D.C. Dulles Intl

Thu 11/5

8:05 pm-6:40 am

1 stop22h 35m

$1,114

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 4/29

9:35 am-3:58 pm

2 stops41h 23m

Washington, D.C. Dulles Intl

Tue 5/5

6:30 am-4:35 am

2 stops35h 05m

$1,117

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 6/24

9:15 am-8:45 am

1 stop34h 30m

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-6:20 am

1 stop22h 20m

$1,118

Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/3

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Mon 9/7

7:00 am-8:45 pm

2 stops26h 45m

$1,621

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/3

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Mon 9/7

7:00 am-8:45 pm

2 stops26h 45m

$1,629

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 Thailand 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

Other information

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

In general, July is the cheapest month to fly from Thailand 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 $1,017. 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 $1,041.

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 Thailand 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 $1,164 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 Thailand for as low as $809 on momondo.

Can stopping save me money on Thailand to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 42% on your flight if you consider stops on a Thailand to Washington, D.C. Dulles Intl Airport flight.

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

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

Fastest flight time	25h 40m
Direct flights	None

The fastest flight from Thailand to Washington, D.C. Dulles Intl Airport takes 25h 40m

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

Search flight deals

Frequently asked questions about flying from Thailand to Washington, D.C. Dulles Intl Airport

When did momondo last update prices for flights from Thailand to Washington, D.C. Dulles Intl Airport?
Prices for flights from Thailand to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Thailand to Washington, D.C. Dulles Intl Airport?
As of April 2026, there are 5 operators available to choose from for flights from Thailand to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Thailand to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport

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

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.4 1,176 reviews	Search ANA flights
United Airlines	PriceFrom $1,056	Free Cancellation	Rating 7.4 9,595 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,065	Free Cancellation	Rating 8.4 1,208 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Sterling

Manassas

Tysons

Linthicum Heights

Bethesda

Fairfax

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Thailand to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington, D.C. from Thailand which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Thailand. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington, D.C. from Thailand are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Thailand to Washington, D.C. from $617

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to Washington, D.C. departing on 4/28. 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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Delta flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

Air China flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Thailand 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?

Can stopping save me money on Thailand to Washington, D.C. Dulles Intl Airport flights?

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

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

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Thailand to Washington, D.C. Dulles Intl Airport

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

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

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

Why use momondo?

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