How long is the flight from Washington, D.C. to Thailand?

The flight from Washington, D.C. to Thailand depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Bangkok Suvarnabhumi Airport (the most popular airport in Thailand), then the flight time is 24h 35m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Bangkok Suvarnabhumi Airport, then the average flight time is 26h 46m.

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

Turkish Airlines, IndiGo, and American Airlines are the most popular carriers operating from Washington, D.C. to Thailand

What airlines fly to Thailand?

Qatar Airways, Turkish Airlines and Etihad Airways are the top three most popular airlines that fly to Thailand from Washington, D.C. according to our data. Qatar Airways is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 21 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Thailand?

Prices for flights from Washington, D.C. to Thailand are updated daily.

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

The number of operators available for flights from Washington, D.C. to Thailand is 21 as of August 2025.

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

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 Washington, D.C. to Thailand.

What documentation or ID do you need to fly to Thailand?

The travel and health documents you'll need for your trip to Thailand may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$388 Cheap Flights from Washington, D.C. to Thailand in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

5:45 am - 10:25 pmBWI-BKK

29h 40m2 stops

11:20 pm - 7:01 amBKK-BWI

42h 41m2 stops

$738

Find Deal

Sat, Sep 13 - Tue, Sep 30

5:45 am - 10:25 pmBWI-BKK

29h 40m2 stops

11:20 pm - 7:01 amBKK-BWI

42h 41m2 stops

$786

Find Deal

Fri, Sep 12 - Fri, Sep 19

5:35 am - 10:25 pmBWI-BKK

29h 50m2 stops

1:30 pm - 10:28 amBKK-BWI

31h 58m3 stops

$795

Find Deal

Tue, Oct 14 - Tue, Oct 21

1:30 pm - 5:15 amIAD-BKK

28h 45m1 stop

6:45 am - 11:45 amBKK-IAD

40h 00m1 stop

$879Turkish Airlines

Find Deal

Fri, Sep 5 - Wed, Oct 1

1:30 pm - 4:20 amIAD-BKK

26h 50m1 stop

5:50 am - 7:15 pmBKK-IAD

25h 25m1 stop

$881Turkish Airlines

Find Deal

Sun, Jan 18 - Wed, Feb 4

9:10 pm - 5:55 amIAD-BKK

20h 45m1 stop

2:55 am - 4:05 pmBKK-IAD

25h 10m1 stop

$883Etihad Airways

Find Deal

Mon, Feb 16 - Sat, Feb 28

10:05 pm - 11:55 pmIAD-BKK

38h 50m1 stop

8:55 am - 4:10 pmBKK-IAD

42h 15m1 stop

$887Etihad Airways

Find Deal

Wed, Sep 3 - Tue, Sep 16

9:00 pm - 2:05 pmIAD-HKT

30h 05m2 stops

8:25 pm - 3:40 pmHKT-IAD

30h 15m1 stop

$1,037Qatar Airways

Find Deal

Wed, Sep 17 - Mon, Sep 22

9:00 pm - 6:50 pmIAD-HKT

34h 50m1 stop

7:50 pm - 4:55 pmHKT-IAD

32h 05m2 stops

$1,040Qatar Airways

Find Deal

Tue, Oct 21 - Thu, Oct 30

2:54 pm - 12:00 pmBWI-HKT

34h 06m2 stops

7:55 pm - 10:58 pmHKT-BWI

38h 03m2 stops

$1,895Emirates

Find Deal

Thu, Sep 18 - Thu, Sep 25

Singapore Airlines flights from Washington, D.C. to Thailand

Our best Singapore Airlines deals on Washington, D.C. to Thailand flight tickets

Singapore Airlines

Jan 14

BWI6:55 pmBaltimore/Washington

37h 05m

2 stops

BKK8:00 pmBangkok Suvarnabhumi

Feb 25

BKK9:10 pmBangkok Suvarnabhumi

32h 45m

2 stops

BWI5:55 pmBaltimore/Washington

$856

Find similar

Singapore Airlines

Nov 24

BWI7:08 pmBaltimore/Washington

36h 52m

2 stops

BKK8:00 pmBangkok Suvarnabhumi

Feb 2

BKK9:10 pmBangkok Suvarnabhumi

32h 45m

2 stops

BWI5:55 pmBaltimore/Washington

$858

Find similar

Singapore Airlines

Jan 14

IAD6:55 pmWashington, D.C. Dulles Intl

48h 55m

2 stops

HKT7:50 amPhuket City

Jan 21

HKT8:15 pmPhuket City

33h 40m

2 stops

IAD5:55 pmWashington, D.C. Dulles Intl

$884

Find similar

Turkish Airlines flights from Washington, D.C. to Thailand

Our best Turkish Airlines deals on Washington, D.C. to Thailand flight tickets

Turkish Airlines

Sep 5

IAD1:30 pmWashington, D.C. Dulles Intl

28h 45m

1 stop

BKK5:15 amBangkok Suvarnabhumi

Oct 1

BKK6:45 amBangkok Suvarnabhumi

40h 00m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$879

Find similar

Turkish Airlines

Jan 18

IAD1:30 pmWashington, D.C. Dulles Intl

26h 50m

1 stop

BKK4:20 amBangkok Suvarnabhumi

Feb 4

BKK5:50 amBangkok Suvarnabhumi

25h 25m

1 stop

IAD7:15 pmWashington, D.C. Dulles Intl

$881

Find similar

Turkish Airlines

Dec 1

IAD1:30 pmWashington, D.C. Dulles Intl

31h 10m

1 stop

BKK8:40 amBangkok Suvarnabhumi

Dec 15

BKK5:50 amBangkok Suvarnabhumi

41h 55m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$886

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Sat 9/13

5:45 am-10:25 pm

2 stops29h 40m

Bangkok Suvarnabhumi

Tue 9/30

11:20 pm-7:01 am

2 stops42h 41m

$738

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Fri 9/12

5:45 am-10:25 pm

2 stops29h 40m

Bangkok Suvarnabhumi

Fri 9/19

11:20 pm-7:01 am

2 stops42h 41m

$786

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Tue 10/14

5:35 am-10:25 pm

2 stops29h 50m

Bangkok Suvarnabhumi

Tue 10/21

1:30 pm-10:28 am

3 stops31h 58m

$795

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 9/5

1:30 pm-5:15 am

1 stop28h 45m

Bangkok Suvarnabhumi

Wed 10/1

6:45 am-11:45 am

1 stop40h 00m

$879

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 1/18

1:30 pm-4:20 am

1 stop26h 50m

Bangkok Suvarnabhumi

Wed 2/4

5:50 am-7:15 pm

1 stop25h 25m

$881

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 2/16

9:10 pm-5:55 am

1 stop20h 45m

Bangkok Suvarnabhumi

Sat 2/28

2:55 am-4:05 pm

1 stop25h 10m

$883

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 9/3

10:05 pm-11:55 pm

1 stop38h 50m

Bangkok Suvarnabhumi

Tue 9/16

8:55 am-4:10 pm

1 stop42h 15m

$887

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 9/17

9:00 pm-2:05 pm

2 stops30h 05m

Phuket City

Mon 9/22

8:25 pm-3:40 pm

1 stop30h 15m

$1,037

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 10/21

9:00 pm-6:50 pm

1 stop34h 50m

Phuket City

Thu 10/30

7:50 pm-4:55 pm

2 stops32h 05m

$1,040

BaltimorePhuket City

BWI - HKT

BWIHKT

Baltimore/Washington

Thu 9/18

2:54 pm-12:00 pm

2 stops34h 06m

Phuket City

Thu 9/25

7:55 pm-10:58 pm

2 stops38h 03m

$1,895

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 Washington, D.C. to Thailand

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 Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Washington, D.C., with most prices found around $1,011. If you are unable to visit Thailand during the month of September, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $1,062.

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand is on a Saturday when prices can be found for as low as $1,182. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,353.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,113 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Thailand is in the morning when prices are around $1,342.

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,232 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Washington, D.C. for as low as $1,009 on momondo.

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

You could potentially save up to 10% on your flight if you consider stops on a Washington, D.C. to Thailand flight.

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

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Thailand?
Prices for flights from Washington, D.C. to Thailand are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Thailand?
The number of operators available for flights from Washington, D.C. to Thailand is 21 as of August 2025.
How old do you have to be to fly from Washington, D.C. to Thailand?
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 Washington, D.C. to Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents you'll need for your trip to Thailand may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Thailand

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

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $565	Free Cancellation	Rating 7.3 95 reviews	Search Air China flights
SAUDIA	PriceFrom $590	Free Cancellation	Rating 7.4 626 reviews	Search SAUDIA flights
Air India	PriceFrom $700	Free Cancellation	Rating 5.5 2,929 reviews	Search Air India flights
Korean Air	PriceFrom $741	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
ANA	PriceFrom $896	Free Cancellation	Rating 8.4 936 reviews	Search ANA flights
Etihad Airways	PriceFrom $912	Free Cancellation	Rating 7.4 1,233 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $915	Free Cancellation	Rating 7.3 3,949 reviews	Search Turkish Airlines flights
Delta	PriceFrom $928	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
Alaska Airlines	PriceFrom $936	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $939	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Thailand for you.

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

All flight searches from Washington, D.C. to Thailand on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Washington, D.C. and Thailand by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Thailand now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thailand and let you know when they change.

An easier way to manage your Thailand trip

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Find better results for your trip to Thailand

Popular cities in Thailand

Flights to Bangkokfrom $511

Flights to Phuket Cityfrom $512

Flights to Chiang Maifrom $662

Flights to Ko Samuifrom $707

Flights to Krabifrom $829

Flights to Surat Thanifrom $1,321

Flights to Chiang Raifrom $985

Flights to Udon Thanifrom $990

Flights to Khon Kaenfrom $955

Flights to Hat Yaifrom $1,266

Flights to Ubon Ratchathanifrom $806

Flights to Tratfrom $1,014

Washington, D.C. flight routes

Washington, D.C. Dulles Intl to Valparaiso Destin-Ft Walton Beach

Washington, D.C. Dulles Intl to Savannah/Hilton Head

Baltimore/Washington to Detroit Metropolitan Wayne County

Washington, D.C. Dulles Intl to Nashville Intl

Washington, D.C. Dulles Intl to South Bend/Michiana

Washington, D.C. Reagan-National to New York John F Kennedy Intl

Cheap flights from Washington, D.C. to Thailand from $388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Thailand departing on 11/4. 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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Big names and deals

Filter for what you want

Filter for what you want

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

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Singapore Airlines flights from Washington, D.C. to Thailand

Our best Singapore Airlines deals on Washington, D.C. to Thailand flight tickets

Turkish Airlines flights from Washington, D.C. to Thailand

Our best Turkish Airlines deals on Washington, D.C. to Thailand flight tickets

momondo Fare Finder

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

See travel insights to Thailand from

How to get the cheapest flight ticket from Washington, D.C. to Thailand

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

What is the cheapest month to fly to Thailand?

What is the cheapest day to depart on your flight to Thailand?

What is the cheapest time of day to depart on your flight to Thailand?

How far in advance should I book a flight to Thailand?

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

You could potentially save up to 10% on your flight if you consider stops on a Washington, D.C. to Thailand flight.

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

Turkish Airlines, IndiGo, and American Airlines are the most popular carriers operating from Washington, D.C. to Thailand

What airlines fly to Thailand?

How long is the flight from Washington, D.C. to Thailand?

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

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

Direct flights

When did momondo last update prices for flights from Washington, D.C. to Thailand?

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

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

What documentation or ID do you need to fly to Thailand?

Best airlines flying from Washington, D.C. to Thailand

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

Why use momondo?

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

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

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

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

An easier way to manage your Thailand 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 Thailand

Popular cities in Thailand

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