What airlines fly to Southeast Asia?

ANA, United Airlines and Korean Air 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 31% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 25 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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 9h 40m and 10h 25m, respectively.

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

Etihad Airways, Japan Airlines, and Air Canada are the most popular carriers operating from Washington, D.C. to Southeast Asia

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 April 2026, there are 25 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.

$436 Cheap Flights from Washington, D.C. to Southeast Asia in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$835Etihad Airways

Sun, May 10 - Mon, Jun 1

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

$837AIR PREMIA

Fri, Aug 7 - Sun, Aug 30

5:54 pm - 9:35 am

IAD

MNL

27h 41m

2 stops

4:50 pm - 5:40 am

MNL

IAD

24h 50m

2 stops

$965China Airlines

Mon, Sep 14 - Mon, Sep 28

12:58 pm - 6:20 am

IAD

MNL

29h 22m

2 stops

9:25 am - 8:25 pm

MNL

IAD

23h 00m

2 stops

$971Air Canada

Mon, Sep 7 - Mon, Sep 21

4:20 pm - 6:20 am

DCA

MNL

26h 00m

2 stops

9:25 am - 8:00 pm

MNL

DCA

22h 35m

2 stops

$971Air Canada

Mon, Sep 7 - Mon, Sep 21

5:00 pm - 3:50 pm

DCA

MNL

34h 50m

2 stops

4:50 pm - 8:00 pm

MNL

DCA

39h 10m

2 stops

$977China Airlines

Tue, Sep 15 - Tue, Sep 22

1:50 am - 11:40 am

IAD

SGN

22h 50m

1 stop

3:45 pm - 10:00 pm

SGN

IAD

41h 15m

1 stop

$997EVA Air

Mon, Aug 31 - Tue, Sep 29

1:50 am - 9:55 am

IAD

SGN

21h 05m

1 stop

3:45 pm - 9:55 pm

SGN

IAD

41h 10m

1 stop

$1,002EVA Air

Mon, Aug 31 - Thu, Oct 29

9:00 pm - 11:15 am

IAD

DPS

26h 15m

1 stop

12:35 am - 6:10 pm

DPS

IAD

29h 35m

1 stop

$1,080Qatar Airways

Sun, Apr 26 - Sat, May 2

11:00 am - 8:25 am

IAD

DPS

33h 25m

1 stop

1:05 pm - 4:05 pm

DPS

IAD

39h 00m

2 stops

$1,108Qatar Airways

Fri, Apr 24 - Sat, May 2

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

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

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

BKK12:20 pmBangkok Suvarnabhumi

Apr 22

BKK2:05 amBangkok Suvarnabhumi

25h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$991

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

BKK6:20 amBangkok Suvarnabhumi

Apr 16

BKK1:45 amBangkok Suvarnabhumi

25h 20m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$1,004

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

BKK12:20 pmBangkok Suvarnabhumi

Apr 16

BKK2:30 amBangkok Suvarnabhumi

26h 40m

1 stop

IAD6:10 pmWashington, D.C. Dulles Intl

$1,006

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

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

Singapore Airlines

Sep 1

DCA9:30 amWashington, D.C. Reagan-National

39h 50m

2 stops

BKK12:20 pmBangkok Suvarnabhumi

Sep 14

BKK3:30 pmBangkok Suvarnabhumi

39h 30m

2 stops

DCA8:00 pmWashington, D.C. Reagan-National

$941

Singapore Airlines

Sep 24

DCA9:30 amWashington, D.C. Reagan-National

42h 10m

2 stops

MNL3:40 pmManila Ninoy Aquino Intl

Oct 15

MNL2:00 pmManila Ninoy Aquino Intl

42h 00m

2 stops

DCA8:00 pmWashington, D.C. Reagan-National

$967

Singapore Airlines

Sep 1

DCA9:30 amWashington, D.C. Reagan-National

39h 50m

2 stops

BKK12:20 pmBangkok Suvarnabhumi

Sep 14

BKK3:30 pmBangkok Suvarnabhumi

39h 30m

2 stops

DCA8:00 pmWashington, D.C. Reagan-National

$969

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

Cheapest round-trip

Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 5/10

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Mon 6/1

9:00 pm-9:45 am

1 stop23h 45m

$835

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 8/7

1:20 pm-9:10 pm

1 stop44h 50m

Bangkok Suvarnabhumi

Sun 8/30

10:45 pm-10:50 am

1 stop23h 05m

$837

Washington, D.C.Manila

IAD - MNL

IADMNL

Washington, D.C. Dulles Intl

Mon 9/14

5:54 pm-9:35 am

2 stops27h 41m

Manila Ninoy Aquino Intl

Mon 9/28

4:50 pm-5:40 am

2 stops24h 50m

$965

Washington, D.C.Manila

IAD - MNL

IADMNL

Washington, D.C. Dulles Intl

Mon 9/7

12:58 pm-6:20 am

2 stops29h 22m

Manila Ninoy Aquino Intl

Mon 9/21

9:25 am-8:25 pm

2 stops23h 00m

$971

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Mon 9/7

4:20 pm-6:20 am

2 stops26h 00m

Manila Ninoy Aquino Intl

Mon 9/21

9:25 am-8:00 pm

2 stops22h 35m

$971

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Tue 9/15

5:00 pm-3:50 pm

2 stops34h 50m

Manila Ninoy Aquino Intl

Tue 9/22

4:50 pm-8:00 pm

2 stops39h 10m

$977

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-11:40 am

1 stop22h 50m

Ho Chi Minh City

Tue 9/29

3:45 pm-10:00 pm

1 stop41h 15m

$997

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-9:55 am

1 stop21h 05m

Ho Chi Minh City

Thu 10/29

3:45 pm-9:55 pm

1 stop41h 10m

$1,002

Washington, D.C.Denpasar

IAD - DPS

IADDPS

Washington, D.C. Dulles Intl

Sun 4/26

9:00 pm-11:15 am

1 stop26h 15m

Denpasar Bali Ngurah Rai

Sat 5/2

12:35 am-6:10 pm

1 stop29h 35m

$1,080

Washington, D.C.Denpasar

IAD - DPS

IADDPS

Washington, D.C. Dulles Intl

Fri 4/24

11:00 am-8:25 am

1 stop33h 25m

Denpasar Bali Ngurah Rai

Sat 5/2

1:05 pm-4:05 pm

2 stops39h 00m

$1,108

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 $944. If you don’t want to visit Southeast Asia in September, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $967.

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 $1,086 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 $969 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	21h 20m
Direct flights	None

The fastest flight from Washington, D.C. to Southeast Asia takes 21h 20m

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

Frequently asked questions about flying from Washington, D.C. to Southeast Asia

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 April 2026, there are 25 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 A320-100/200, representing 11.92% of all bookings. The subsequent popular models are Airbus A320neo at 11.29%, Boeing 777 at 11.11%, and Airbus A321neo at 7.86%.

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 $114	Free Cancellation	Rating 6.3 8,578 reviews	Search Spirit Airlines flights
Singapore Airlines	PriceFrom $219	Free Cancellation	Rating 8.2 1,487 reviews	Search Singapore Airlines flights
Air China	PriceFrom $424	Free Cancellation	Rating 7.3 145 reviews	Search Air China flights
JetBlue	PriceFrom $512	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Delta	PriceFrom $535	Free Cancellation	Rating 7.9 8,372 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $625	Free Cancellation	Rating 8.9 295 reviews	Search STARLUX Airlines flights
Asiana Airlines	PriceFrom $632	Free Cancellation	Rating 8.1 509 reviews	Search Asiana Airlines flights
Philippine Airlines	PriceFrom $705	Free Cancellation	Rating 7.3 979 reviews	Search Philippine Airlines flights
Air Canada	PriceFrom $749	Free Cancellation	Rating 7.1 10,884 reviews	Search Air Canada flights
Cathay Pacific	PriceFrom $763	Free Cancellation	Rating 7.6 1,239 reviews	Search Cathay Pacific 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.