What airlines fly to Southeast Asia?

ANA, Korean Air and United Airlines are the top three most popular airlines that fly to Southeast Asia from Washington, D.C. according to our data. ANA is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 26 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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

IndiGo, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Southeast Asia

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

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Southeast Asia, then you can expect flight times to average 17h 52m and 19h 30m, respectively.

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

Prices for flights from Washington, D.C. to Southeast Asia were last updated today.

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

As of December 2025, there are 26 operators available to choose from for flights from Washington, D.C. to Southeast Asia.

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

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 Washington, D.C. to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$302 Cheap Flights from Washington, D.C. to Southeast Asia in 2025/26

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Find the cheapest flights from Washington, D.C. to Southeast Asia

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 6:30 am

IAD

BKK

27h 55m1 stop

9:10 am - 9:45 am

BKK

IAD

35h 35m1 stop

$875Etihad Airways

Thu, Apr 30 - Sun, May 31

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

10:00 am - 10:05 am

BKK

IAD

59h 05m2 stops

$877Etihad Airways

Mon, Feb 16 - Wed, Mar 11

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

8:55 am - 9:05 am

BKK

IAD

36h 10m1 stop

$880Etihad Airways

Sun, Jan 18 - Mon, Feb 2

2:35 pm - 11:25 pm

IAD

BKK

20h 50m1 stop

7:35 pm - 9:05 am

BKK

IAD

49h 30m2 stops

$882Etihad Airways

Fri, Jan 16 - Mon, Feb 16

8:05 pm - 12:15 pm

IAD

BKK

28h 10m1 stop

9:15 am - 3:40 pm

BKK

IAD

41h 25m1 stop

$883Qatar Airways

Sat, Feb 28 - Wed, Apr 1

8:00 am - 9:50 pm

BWI

SGN

49h 50m2 stops

11:05 pm - 9:21 pm

SGN

BWI

34h 16m2 stops

$889United Airlines

Wed, Jan 14 - Wed, Jan 21

10:40 am - 7:25 pm

IAD

BKK

20h 45m1 stop

8:15 am - 3:55 pm

BKK

IAD

43h 40m1 stop

$889Qatar Airways

Sun, Jan 18 - Sun, Feb 1

10:05 am - 9:50 pm

BWI

SGN

47h 45m2 stops

7:30 am - 10:25 pm

SGN

BWI

26h 55m3 stops

$892United Airlines

Thu, Jan 15 - Thu, Jan 22

6:59 am - 12:55 am

DCA

BKK

29h 56m2 stops

11:15 pm - 1:53 pm

BKK

DCA

26h 38m2 stops

$934Korean Air

Mon, Jan 19 - Tue, Feb 3

9:40 pm - 4:10 pm

IAD

SGN

31h 30m1 stop

10:05 pm - 7:45 pm

SGN

IAD

32h 40m1 stop

$956Turkish Airlines

Tue, Apr 7 - Tue, Apr 28

Etihad Airways flights from Washington, D.C. to Southeast Asia

Our best Etihad Airways deals on Washington, D.C. to Southeast Asia flight tickets

Etihad Airways

Apr 30

IAD3:35 pmWashington, D.C. Dulles Intl

27h 55m

1 stop

BKK6:30 amBangkok Suvarnabhumi

May 31

BKK9:10 amBangkok Suvarnabhumi

35h 35m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$875

Find similar

Etihad Airways

Feb 16

IAD2:35 pmWashington, D.C. Dulles Intl

20h 50m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

Mar 11

BKK10:00 amBangkok Suvarnabhumi

59h 05m

2 stops

IAD10:05 amWashington, D.C. Dulles Intl

$877

Find similar

Etihad Airways

Jan 18

IAD2:35 pmWashington, D.C. Dulles Intl

20h 50m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

Feb 2

BKK8:55 amBangkok Suvarnabhumi

36h 10m

1 stop

IAD9:05 amWashington, D.C. Dulles Intl

$880

Find similar

Turkish Airlines flights from Washington, D.C. to Southeast Asia

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

Turkish Airlines

Feb 15

IAD1:30 pmWashington, D.C. Dulles Intl

31h 10m

1 stop

BKK8:40 amBangkok Suvarnabhumi

Feb 28

BKK5:50 amBangkok Suvarnabhumi

41h 55m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$910

Find similar

Turkish Airlines

Feb 15

IAD1:30 pmWashington, D.C. Dulles Intl

39h 00m

1 stop

SGN4:30 pmHo Chi Minh City

Apr 7

SGN10:05 pmHo Chi Minh City

24h 30m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$954

Find similar

Turkish Airlines

Jan 15

IAD1:30 pmWashington, D.C. Dulles Intl

39h 30m

1 stop

SGN5:00 pmHo Chi Minh City

Jan 29

SGN10:15 pmHo Chi Minh City

33h 05m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$972

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 4/30

3:35 pm-6:30 am

1 stop27h 55m

Bangkok Suvarnabhumi

Sun 5/31

9:10 am-9:45 am

1 stop35h 35m

$875

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 2/16

2:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

Wed 3/11

10:00 am-10:05 am

2 stops59h 05m

$877

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 1/18

2:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

Mon 2/2

8:55 am-9:05 am

1 stop36h 10m

$880

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 1/16

2:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

Mon 2/16

7:35 pm-9:05 am

2 stops49h 30m

$882

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 2/28

8:05 pm-12:15 pm

1 stop28h 10m

Bangkok Suvarnabhumi

Wed 4/1

9:15 am-3:40 pm

1 stop41h 25m

$883

BaltimoreHo Chi Minh City

BWI - SGN

BWISGN

Baltimore/Washington

Wed 1/14

8:00 am-9:50 pm

2 stops49h 50m

Ho Chi Minh City

Wed 1/21

11:05 pm-9:21 pm

2 stops34h 16m

$889

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 1/18

10:40 am-7:25 pm

1 stop20h 45m

Bangkok Suvarnabhumi

Sun 2/1

8:15 am-3:55 pm

1 stop43h 40m

$889

BaltimoreHo Chi Minh City

BWI - SGN

BWISGN

Baltimore/Washington

Thu 1/15

10:05 am-9:50 pm

2 stops47h 45m

Ho Chi Minh City

Thu 1/22

7:30 am-10:25 pm

3 stops26h 55m

$892

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 1/19

6:59 am-12:55 am

2 stops29h 56m

Bangkok Suvarnabhumi

Tue 2/3

11:15 pm-1:53 pm

2 stops26h 38m

$934

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 4/7

9:40 pm-4:10 pm

1 stop31h 30m

Ho Chi Minh City

Tue 4/28

10:05 pm-7:45 pm

1 stop32h 40m

$956

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 Southeast Asia

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 Southeast Asia?

The month of September is, on average, the cheapest month to fly to Southeast Asia from Washington, D.C., with most prices found around $963. If you don’t want to visit Southeast Asia in September, then you should wait until October to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,025.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from Washington, D.C. to Southeast Asia is on a Saturday when prices can be found for as low as $1,182. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,353. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

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

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Southeast Asia when you can find flight prices for as low as $1,113. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,342. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $1,162 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Washington, D.C. for as low as $1,052 on momondo.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Southeast Asia.

Cheap Washington, D.C. to Southeast Asia flight deals and tips

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

Fastest flight time	20h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Southeast Asia takes 20h 45m

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

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Southeast Asia?
Prices for flights from Washington, D.C. to Southeast Asia were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Southeast Asia?
As of December 2025, there are 26 operators available to choose from for flights from Washington, D.C. to Southeast Asia.
How old do you have to be to fly from Washington, D.C. to Southeast Asia?
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 Washington, D.C. to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Southeast Asia is Airbus A320neo, representing 12.96% of all bookings. The subsequent popular models are Airbus A320-100/200 at 8.55%, Boeing 777 at 8.17%, and Airbus A321neo at 8.13%.

Best airlines flying from Washington, D.C. to Southeast Asia

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $118	Free Cancellation	Rating 6.3 8,189 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $162	Free Cancellation	Rating 5.8 3,080 reviews	Search Frontier flights
JetBlue	PriceFrom $512	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Air China	PriceFrom $565	Free Cancellation	Rating 7.1 129 reviews	Search Air China flights
Philippine Airlines	PriceFrom $652	Free Cancellation	Rating 7.3 943 reviews	Search Philippine Airlines flights
Air Canada	PriceFrom $671	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
Air India	PriceFrom $702	Free Cancellation	Rating 5.5 2,952 reviews	Search Air India flights
China Airlines	PriceFrom $763	Free Cancellation	Rating 8.3 792 reviews	Search China Airlines flights
Cathay Pacific	PriceFrom $763	Free Cancellation	Rating 7.6 1,095 reviews	Search Cathay Pacific flights
Etihad Airways	PriceFrom $787	Free Cancellation	Rating 7.4 1,333 reviews	Search Etihad Airways flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Southeast Asia 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 Southeast Asia that suits you.

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

Yes. All flights to Southeast Asia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Southeast Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Southeast Asia from Washington, D.C.. 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 Southeast Asia 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

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Popular cities in Southeast Asia

Flights to New Yorkfrom $45

Flights to Londonfrom $355

Flights to Bangkokfrom $525

Flights to Tokyofrom $458

Flights to Los Angelesfrom $48

Flights to Parisfrom $339

Flights to Copenhagenfrom $361

Flights to Istanbulfrom $422

Flights to Manilafrom $521

Flights to Romefrom $321

Flights to Miamifrom $49

Flights to Chicagofrom $58

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Chicago O'Hare Intl

Flights from Baltimore/Washington to Detroit Metropolitan Wayne County

Cheap flights from Washington, D.C. to Southeast Asia from $302

Big names and deals

Big names and deals

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Filter for what you want

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Trusted and free

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Find the cheapest flights from Washington, D.C. to Southeast Asia

Cheap round-trip flights

Cheap one-way flights

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Etihad Airways flights from Washington, D.C. to Southeast Asia

Our best Etihad Airways deals on Washington, D.C. to Southeast Asia flight tickets

Turkish Airlines flights from Washington, D.C. to Southeast Asia

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

momondo Fare Finder

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

See travel insights to Southeast Asia from

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

What is the cheapest month to fly to Southeast Asia?

What is the cheapest day to depart on your flight to Southeast Asia?

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

How far in advance should I book a flight to Southeast Asia?

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Southeast Asia.

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

IndiGo, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Southeast Asia

What airlines fly to Southeast Asia?

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

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Southeast Asia, then you can expect flight times to average 17h 52m and 19h 30m, respectively.

Cheap Washington, D.C. to Southeast Asia flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to Southeast Asia?

What is the most popular plane model from Washington, D.C. to Southeast Asia?

Best airlines flying from Washington, D.C. to Southeast Asia

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

Why use momondo?

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

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

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

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

An easier way to manage your Southeast Asia 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 Southeast Asia

Popular cities in Southeast Asia

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