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

There are many flights that can get you from Washington, D.C. to Southeast Asia in 29h 46m. Fly via Etihad Airways, Turkish Airlines, or Korean Air to get the fastest option. There are 8797 mi between Washington, D.C. and Southeast Asia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Washington, D.C. to Southeast Asia one-way?

One-way options have recently been found by users for as low as $418 on Turkish Airlines. Other airlines that offer cheap prices include China Airlines from $498 and Japan Airlines from $504 one-way.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular routes from Washington, D.C. to Southeast Asia?

When deciding which route to take from Washington, D.C. to Southeast Asia consider Washington, D.C. Dulles Intl - Bangkok Suvarnabhumi, Baltimore/Washington - Bangkok Suvarnabhumi or Washington, D.C. Reagan-National - Bangkok Suvarnabhumi as they are the most popular.

What are the most popular airlines that fly from Washington, D.C. to Southeast Asia?

When booking a flight from Washington, D.C. to Southeast Asia, you may want to consider flying on IndiGo, American Airlines or Air Canada as they are the most popular for this route.

Can I find deals for flights from Washington, D.C. to Southeast Asia that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Southeast Asia.

Can I find deals for business class flights from Washington, D.C. to Southeast Asia?

Yes. Cheapflights offers flight deals from Washington, D.C. to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$382+ Cheap Flights from Washington, D.C. to Southeast Asia

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Cheap flight deals from Washington, D.C. to Southeast Asia

Round-trip from	$791 (Mytrip)
One-way from	$382 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,084

From Washington, D.C. (WAS) to Southeast Asia

Search Deals

One-way flight from Washington, D.C. (WAS) to Southeast Asia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from Washington, D.C. to Southeast Asia

Cheapest flights from Washington, D.C. to Southeast Asia
Explore the most affordable flight options available from Washington, D.C. to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Fri 10/315:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Tue 11/1110:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/16

$791

Mon 11/35:35 amBWI - BKK

2 stops27h 50mMultiple Airlines

Sun 11/1610:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/16

$798

Mon 11/35:35 amBWI - BKK

2 stops27h 50mMultiple Airlines

Thu 11/610:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/14

$806

Tue 10/145:35 amBWI - BKK

2 stops28h 35mMultiple Airlines

Thu 10/2310:45 pmBKK - BWI

3 stops35h 47mMultiple Airlines

Deal found 9/17

$822

Sat 11/15:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Sat 11/810:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/17

$827

Mon 10/275:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Sun 11/910:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/15

$839

Mon 11/178:05 pmIAD - BKK

1 stop29h 00mQatar Airways

Tue 11/252:00 amBKK - IAD

1 stop25h 55mQatar Airways

Deal found 9/17

$850

Wed 10/810:05 pmIAD - BKK

1 stop33h 45mEtihad Airways

Fri 10/177:20 amBKK - IAD

2 stops43h 50mEtihad Airways

Deal found 9/14

$851

Wed 10/1510:05 pmIAD - BKK

2 stops49h 55mEtihad Airways

Sat 10/257:20 amBKK - IAD

2 stops44h 30mEtihad Airways

Deal found 9/15

$852

Tue 9/3010:05 pmIAD - BKK

1 stop38h 50mEtihad Airways

Thu 10/167:20 amBKK - IAD

2 stops43h 50mEtihad Airways

Deal found 9/17

$853

Fri 10/2410:05 pmIAD - BKK

2 stops38h 25mEtihad Airways

Mon 11/107:35 amBKK - IAD

2 stops44h 15mEtihad Airways

Deal found 9/15

$855

Mon 10/1310:05 pmIAD - BKK

2 stops49h 55mEtihad Airways

Wed 10/292:55 amBKK - IAD

1 stop24h 55mEtihad Airways

Deal found 9/15

$857

Best flights from Washington, D.C. to Southeast Asia
Discover carefully curated flight deals from Washington, D.C. to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Fri 10/2410:05 pmIAD - BKK

2 stops38h 25mEtihad Airways

Mon 11/107:35 amBKK - IAD

2 stops44h 15mEtihad Airways

Deal found 9/15

$855

Sat 10/2510:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Tue 12/26:35 amSGN - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/15

$884

Sun 10/269:05 pmIAD - BKK

1 stop28h 10mJetBlue

Sat 11/222:00 amBKK - IAD

1 stop25h 55mJetBlue

Deal found 9/16

$901

Sun 10/269:05 pmIAD - BKK

1 stop28h 10mQatar Airways

Thu 11/278:30 pmBKK - IAD

1 stop23h 50mQatar Airways

Deal found 9/16

$901

Tue 10/286:18 amIAD - BKK

2 stops28h 12mDelta

Tue 11/259:30 pmBKK - IAD

2 stops38h 22mDelta

Deal found 9/16

$929

Wed 12/36:59 amDCA - BKK

2 stops29h 46mKorean Air

Tue 12/169:40 amBKK - DCA

2 stops39h 11mKorean Air

Deal found 9/16

$934

Tue 9/238:30 amDCA - BKK

2 stops28h 25mUnited Airlines

Tue 9/307:00 amBKK - DCA

2 stops25h 37mUnited Airlines

Deal found 9/16

$940

Mon 11/247:08 pmBWI - BKK

2 stops29h 57mMultiple Airlines

Mon 12/155:50 pmBKK - BWI

2 stops23h 50mMultiple Airlines

Deal found 9/16

$1,016

Mon 11/179:45 amDCA - MNL

2 stops36h 35mCathay Pacific

Tue 4/218:20 pmMNL - DCA

2 stops37h 55mCathay Pacific

Deal found 9/15

$1,099

Tue 11/1810:00 amIAD - MNL

2 stops43h 15mEthiopian Air

Sun 12/78:30 pmMNL - IAD

3 stops48h 30mEthiopian Air

Deal found 9/15

$1,200

Wed 10/1510:05 pmIAD - BKK

1 stop22h 15mEtihad Airways

Fri 10/242:55 amBKK - IAD

1 stop24h 15mEtihad Airways

Deal found 9/15

$855

Sat 11/19:05 pmIAD - BKK

1 stop28h 10mJetBlue

Sat 11/153:00 amBKK - IAD

1 stop24h 55mJetBlue

Deal found 9/16

$920

Thu 10/2310:05 pmIAD - BKK

1 stop22h 15mEtihad Airways

Fri 10/312:55 amBKK - IAD

1 stop24h 55mEtihad Airways

Deal found 9/15

$855

Thu 12/47:00 amDCA - BKK

2 stops40h 25mUnited Airlines

Tue 3/179:10 amBKK - DCA

2 stops24h 21mUnited Airlines

Deal found 9/17

$942

Thu 11/69:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Wed 11/266:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/15

$945

Tue 9/236:00 amDCA - BKK

2 stops28h 45mDelta

Sun 10/52:35 amBKK - DCA

2 stops28h 58mDelta

Deal found 9/16

$954

Wed 2/187:00 amBWI - SGN

2 stops28h 20mKorean Air

Sun 6/211:55 pmSGN - BWI

2 stops38h 02mKorean Air

Deal found 9/17

$971

Sun 11/27:38 amBWI - MNL

2 stops37h 17mMultiple Airlines

Thu 11/204:55 pmMNL - BWI

2 stops25h 45mMultiple Airlines

Deal found 9/17

$1,017

Tue 10/2810:10 pmIAD - BKK

2 stops38h 20mEtihad Airways

Mon 11/107:35 amBKK - IAD

2 stops44h 15mEtihad Airways

Deal found 9/15

$855

Thu 11/2712:00 pmDCA - BKK

3 stops35h 25mUnited Airlines

Wed 3/184:55 pmBKK - DCA

3 stops31h 44mUnited Airlines

Deal found 9/15

$944

Thu 10/307:15 amBWI - SGN

2 stops28h 10mDelta

Thu 12/48:00 amSGN - BWI

2 stops28h 13mDelta

Deal found 9/15

$965

Mon 2/237:00 amBWI - SGN

2 stops28h 20mKorean Air

Sun 6/211:55 pmSGN - BWI

2 stops38h 02mKorean Air

Deal found 9/17

$971

Thu 3/59:21 amDCA - MNL

2 stops35h 19mCathay Pacific

Mon 3/98:00 amMNL - DCA

2 stops22h 57mCathay Pacific

Deal found 9/16

$1,099

Sun 10/1210:05 pmIAD - BKK

2 stops49h 55mEtihad Airways

Tue 10/282:55 amBKK - IAD

1 stop24h 55mEtihad Airways

Deal found 9/14

$857

Wed 10/292:51 pmDCA - BKK

3 stops33h 34mUnited Airlines

Mon 11/104:55 pmBKK - DCA

3 stops28h 03mUnited Airlines

Deal found 9/15

$948

Tue 10/286:00 amBWI - SGN

2 stops29h 25mDelta

Thu 12/48:00 amSGN - BWI

2 stops26h 09mDelta

Deal found 9/15

$965

Thu 2/197:00 amBWI - SGN

2 stops28h 20mKorean Air

Sun 6/211:55 pmSGN - BWI

2 stops38h 02mKorean Air

Deal found 9/16

$971

Sun 11/27:43 amIAD - MNL

2 stops37h 12mMultiple Airlines

Thu 11/204:55 pmMNL - IAD

2 stops26h 23mMultiple Airlines

Deal found 9/17

$1,077

Wed 11/199:45 amDCA - MNL

2 stops36h 35mCathay Pacific

Thu 12/115:45 amMNL - DCA

2 stops26h 09mCathay Pacific

Deal found 9/15

$1,099

Wed 10/2910:10 pmIAD - BKK

1 stop22h 00mEtihad Airways

Sun 11/238:50 pmBKK - IAD

1 stop31h 00mEtihad Airways

Deal found 9/16

$865

Last-minute flights from Washington, D.C. to Southeast Asia
Discover last-minute flight deals from Washington, D.C. to Southeast Asia. Data last updated September 17, 2025 and is based on user searches.

Wed 9/1711:00 amIAD - BKK

1 stop21h 20mQatar Airways

Thu 9/259:05 pmBKK - IAD

1 stop29h 35mQatar Airways

Deal found 9/15

$858

Tue 9/3010:05 pmIAD - BKK

1 stop38h 50mEtihad Airways

Thu 10/167:20 amBKK - IAD

2 stops43h 50mEtihad Airways

Deal found 9/17

$853

Mon 10/69:00 pmIAD - BKK

1 stop29h 25mQatar Airways

Sun 11/92:00 amBKK - IAD

1 stop25h 55mQatar Airways

Deal found 9/15

$861

Wed 10/810:05 pmIAD - BKK

1 stop33h 45mEtihad Airways

Fri 10/177:20 amBKK - IAD

2 stops43h 50mEtihad Airways

Deal found 9/14

$851

Mon 10/1310:05 pmIAD - BKK

2 stops49h 55mEtihad Airways

Wed 10/297:35 amBKK - IAD

2 stops44h 15mEtihad Airways

Deal found 9/15

$857

Mon 10/1310:05 pmIAD - BKK

1 stop21h 25mEtihad Airways

Tue 11/47:35 amBKK - IAD

2 stops68h 15mEtihad Airways

Deal found 9/17

$859

Mon 10/135:35 amBWI - SGN

2 stops42h 30mMultiple Airlines

Sun 10/1912:05 amSGN - BWI

2 stops41h 30mMultiple Airlines

Deal found 9/15

$859

Tue 10/145:35 amBWI - BKK

2 stops28h 35mMultiple Airlines

Thu 10/2310:45 pmBKK - BWI

3 stops35h 47mMultiple Airlines

Deal found 9/17

$822

Wed 10/1510:05 pmIAD - BKK

2 stops49h 55mEtihad Airways

Sat 10/257:20 amBKK - IAD

2 stops44h 30mEtihad Airways

Deal found 9/15

$852

Fri 10/2410:05 pmIAD - BKK

2 stops38h 25mEtihad Airways

Mon 11/107:35 amBKK - IAD

2 stops44h 15mEtihad Airways

Deal found 9/15

$855

Mon 10/275:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Sun 11/910:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/15

$839

Fri 10/315:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Tue 11/1110:55 pmBKK - BWI

2 stops32h 24mMultiple Airlines

Deal found 9/16

$791

One-way flights from Washington, D.C. to Southeast Asia
Search for one-way flight options from Washington, D.C. to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Tue 11/118:26 pmBWI - BKK

2 stops36h 59mMultiple Airlines

Deal found 9/16

$382

Sat 11/158:26 pmBWI - BKK

2 stops36h 59mMultiple Airlines

Deal found 9/16

$386

Mon 10/135:35 amBWI - BKK

2 stops52h 35mMultiple Airlines

Deal found 9/16

$389

Sun 11/98:26 pmBWI - BKK

2 stops36h 59mMultiple Airlines

Deal found 9/16

$394

Mon 11/35:35 amBWI - MNL

1 stop35h 05mMultiple Airlines

Deal found 9/17

$399

Mon 10/205:35 amBWI - MNL

1 stop25h 05mMultiple Airlines

Deal found 9/16

$400

Mon 11/106:00 amBWI - MNL

1 stop34h 40mMultiple Airlines

Deal found 9/15

$402

Mon 10/135:35 amBWI - MNL

1 stop25h 05mMultiple Airlines

Deal found 9/17

$405

Mon 10/65:35 amBWI - MNL

1 stop25h 05mMultiple Airlines

Deal found 9/15

$406

Thu 11/138:26 pmBWI - BKK

2 stops36h 59mMultiple Airlines

Deal found 9/16

$410

Mon 10/275:35 amBWI - BKK

2 stops28h 50mMultiple Airlines

Deal found 9/14

$411

Fri 11/146:00 amBWI - BKK

2 stops51h 25mMultiple Airlines

Deal found 9/16

$413

Cheapflights 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

Fri 10/24

10:05 pm-11:30 pm

2 stops38h 25m

Bangkok Suvarnabhumi

Mon 11/10

7:35 am-3:50 pm

2 stops44h 15m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 10/15

10:05 pm-7:20 am

1 stop22h 15m

Bangkok Suvarnabhumi

Fri 10/24

2:55 am-4:10 pm

1 stop24h 15m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 10/23

10:05 pm-7:20 am

1 stop22h 15m

Bangkok Suvarnabhumi

Fri 10/31

2:55 am-4:50 pm

1 stop24h 55m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 10/28

10:10 pm-11:30 pm

2 stops38h 20m

Bangkok Suvarnabhumi

Mon 11/10

7:35 am-3:50 pm

2 stops44h 15m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 10/12

10:05 pm-11:00 am

2 stops49h 55m

Bangkok Suvarnabhumi

Tue 10/28

2:55 am-4:50 pm

1 stop24h 55m

$857

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 10/29

10:10 pm-7:10 am

1 stop22h 00m

Bangkok Suvarnabhumi

Sun 11/23

8:50 pm-3:50 pm

1 stop31h 00m

$865

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sat 10/25

10:10 pm-4:55 am

1 stop43h 45m

Ho Chi Minh City

Tue 12/2

6:35 am-7:15 pm

1 stop24h 40m

$884

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 10/26

9:05 pm-12:15 pm

1 stop28h 10m

Bangkok Suvarnabhumi

Sat 11/22

2:00 am-3:55 pm

1 stop25h 55m

$901

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 10/26

9:05 pm-12:15 pm

1 stop28h 10m

Bangkok Suvarnabhumi

Thu 11/27

8:30 pm-8:20 am

1 stop23h 50m

$901

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 11/1

9:05 pm-12:15 pm

1 stop28h 10m

Bangkok Suvarnabhumi

Sat 11/15

3:00 am-3:55 pm

1 stop24h 55m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results

...

Best time to book a flight from Washington, D.C. to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Southeast Asia

What is the cheapest month to book a flight from Washington, D.C. to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Southeast Asia (average of $900). Flying from Washington, D.C. to Southeast Asia in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to YJX?

When flying from Washington, D.C. to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Southeast Asia

Peruse reviews from past customers who have flown with Korean Air, Qatar Airways, and United Airlines from Washington, D.C. to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,140 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Qatar Airways

7.4

Good

3,622 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

United Airlines

7.4

Good

8,926 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Turkish Airlines

7.3

Good

3,965 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Philippine Airlines

7.2

Good

911 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

How long is the flight from Washington, D.C. to Southeast Asia?
There are many flights that can get you from Washington, D.C. to Southeast Asia in 29h 46m. Fly via Etihad Airways, Turkish Airlines, or Korean Air to get the fastest option. There are 8797 mi between Washington, D.C. and Southeast Asia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Washington, D.C. to Southeast Asia one-way?
One-way options have recently been found by users for as low as $418 on Turkish Airlines. Other airlines that offer cheap prices include China Airlines from $498 and Japan Airlines from $504 one-way.
What are the most popular routes from Washington, D.C. to Southeast Asia?
When deciding which route to take from Washington, D.C. to Southeast Asia consider Washington, D.C. Dulles Intl - Bangkok Suvarnabhumi, Baltimore/Washington - Bangkok Suvarnabhumi or Washington, D.C. Reagan-National - Bangkok Suvarnabhumi as they are the most popular.
Can I find deals for flights from Washington, D.C. to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Southeast Asia.
Can I find deals for business class flights from Washington, D.C. to Southeast Asia?
Yes. Cheapflights offers flight deals from Washington, D.C. to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Southeast Asia?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Southeast Asia (average of $900). Flying from Washington, D.C. to Southeast Asia in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Washington, D.C. to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$118	Average$160	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$162	Average$267	FlexibilityNo cancel fee	On-time62%
Air China	Cheapest$565	Average$865	FlexibilityNo cancel fee	On-time67%
Air Canada	Cheapest$756	Average$1,300	FlexibilityNo cancel fee	On-time67%
Cathay Pacific	Cheapest$763	Average$1,297	FlexibilityNo cancel fee	On-time72%
SAUDIA	Cheapest$823	Average$1,005	FlexibilityNo cancel fee	On-time86%
Singapore Airlines	Cheapest$846	Average$1,425	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$877	Average$1,397	FlexibilityNo cancel fee	On-time71%
China Airlines	Cheapest$947	Average$1,305	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$996	Average$1,426	FlexibilityNo cancel fee	On-time74%

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$382+ Cheap flights from Washington, D.C. (WAS) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Southeast Asia with Cheapflights

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Cheap flight deals from Washington, D.C. to Southeast Asia

Keep the following information in mind while searching for Washington, D.C. to Southeast Asia flight deals. Data was last updated September 17, 2025.

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Find flight deals from Washington, D.C. to Southeast Asia

Cheapest flights from Washington, D.C. to Southeast AsiaExplore the most affordable flight options available from Washington, D.C. to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Washington, D.C. to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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Best time to book a flight from Washington, D.C. to Southeast Asia

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Everything you need to know about your flight from Washington, D.C. to Southeast Asia

What is the cheapest month to book a flight from Washington, D.C. to Southeast Asia?

What is the cheapest time of day to fly from WAS to YJX?

Find hourly flight availability from Washington, D.C. to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Reviews of airlines servicing Southeast Asia

Peruse reviews from past customers who have flown with Korean Air, Qatar Airways, and United Airlines from Washington, D.C. to Southeast Asia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines to fly from Washington, D.C. to Southeast Asia one-way?

What are the most popular routes from Washington, D.C. to Southeast Asia?

Can I find deals for flights from Washington, D.C. to Southeast Asia that include hotel bookings?

How can I find direct flights from Washington, D.C. to Southeast Asia?

Can I find deals for business class flights from Washington, D.C. to Southeast Asia?

What is the cheapest month to book a flight from Washington, D.C. to Southeast Asia?

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Alternative routes for Washington, D.C. to Southeast Asia

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Cheapest flights from Washington, D.C. to Southeast Asia
Explore the most affordable flight options available from Washington, D.C. to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.