Cheap flights from Washington, D.C. to Southeast Asia from $486

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 Southeast Asia departing on 7/30. 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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Find the cheapest flights from Washington, D.C. to Southeast Asia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:10 pm - 11:50 pm
IAD
-
BKK
21h 40m
1 stop
Etihad Airways Logo
8:45 pm - 9:45 am
BKK
-
IAD
24h 00m
1 stop
$898Etihad Airways
Tue, Sep 1 - Wed, Sep 30
Etihad Airways Logo
3:10 pm - 6:10 pm
IAD
-
BKK
40h 00m
1 stop
Etihad Airways Logo
3:55 pm - 9:45 am
BKK
-
IAD
28h 50m
1 stop
$899Etihad Airways
Mon, Aug 31 - Fri, Oct 2
Qatar Airways Logo
9:00 pm - 7:15 am
IAD
-
BKK
23h 15m
1 stop
Qatar Airways Logo
2:30 am - 3:40 pm
BKK
-
IAD
24h 10m
1 stop
$924Qatar Airways
Mon, Sep 14 - Sun, Sep 20
Qatar Airways Logo
9:00 pm - 12:55 pm
IAD
-
BKK
28h 55m
1 stop
Qatar Airways Logo
8:30 pm - 3:55 pm
BKK
-
IAD
31h 25m
1 stop
$928Qatar Airways
Mon, Aug 31 - Fri, Dec 18
Turkish Airlines Logo
2:30 pm - 5:00 am
IAD
-
SGN
27h 30m
1 stop
Turkish Airlines Logo
6:30 am - 11:45 am
SGN
-
IAD
41h 15m
1 stop
$1,113Turkish Airlines
Tue, Oct 27 - Tue, Nov 10
Turkish Airlines Logo
2:30 pm - 5:00 am
IAD
-
SGN
27h 30m
1 stop
Turkish Airlines Logo
6:30 am - 11:45 am
SGN
-
IAD
41h 15m
1 stop
$1,133Turkish Airlines
Tue, Oct 27 - Tue, Nov 10
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
12:10 pm - 8:40 am
DMK
-
IAD
31h 30m
1 stop
$1,170Emirates
Tue, Sep 8 - Tue, Sep 22
Emirates Logo
10:55 am - 11:10 am
IAD
-
DMK
37h 15m
1 stop
Emirates Logo
12:10 pm - 8:40 am
DMK
-
IAD
31h 30m
1 stop
$1,171Emirates
Sun, Sep 13 - Wed, Sep 23
Cathay Pacific Logo
11:35 am - 12:15 am
DCA
-
MNL
24h 40m
2 stops
Cathay Pacific Logo
8:20 pm - 11:58 pm
MNL
-
DCA
39h 38m
2 stops
$1,209Cathay Pacific
Sun, Aug 9 - Sun, Aug 23
Cathay Pacific Logo
10:16 pm - 9:35 am
DCA
-
MNL
47h 19m
2 stops
Cathay Pacific Logo
12:30 pm - 11:58 pm
MNL
-
DCA
23h 28m
2 stops
$1,215Cathay Pacific
Sun, Aug 9 - Mon, Aug 24

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
Sep 1
IAD3:10 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Sep 30
BKK8:45 pmBangkok Suvarnabhumi
24h 00m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$898
Etihad Airways
Aug 31
IAD3:10 pmWashington, D.C. Dulles Intl
40h 00m
1 stop
BKK6:10 pmBangkok Suvarnabhumi
Oct 2
BKK3:55 pmBangkok Suvarnabhumi
28h 50m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$899
Etihad Airways
Aug 10
IAD3:10 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Oct 27
BKK8:50 pmBangkok Suvarnabhumi
24h 15m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$900

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
Sep 21
IAD9:00 pmWashington, D.C. Dulles Intl
28h 55m
1 stop
BKK12:55 pmBangkok Suvarnabhumi
Sep 27
BKK2:30 amBangkok Suvarnabhumi
24h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$924
Qatar Airways
Aug 31
IAD9:00 pmWashington, D.C. Dulles Intl
28h 55m
1 stop
BKK12:55 pmBangkok Suvarnabhumi
Dec 18
BKK8:30 pmBangkok Suvarnabhumi
31h 25m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$928
Qatar Airways
Nov 4
IAD10:40 amWashington, D.C. Dulles Intl
20h 45m
1 stop
BKK7:25 pmBangkok Suvarnabhumi
Nov 19
BKK2:00 amBangkok Suvarnabhumi
25h 55m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$931

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 31, 2026.
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

Tue 9/1

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Wed 9/30

8:45 pm-9:45 am

1 stop24h 00m

$898

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 8/31

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Fri 10/2

3:55 pm-9:45 am

1 stop28h 50m

$899

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/14

9:00 pm-7:15 am

1 stop23h 15m

Bangkok Suvarnabhumi

Sun 9/20

2:30 am-3:40 pm

1 stop24h 10m

$924

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 8/31

9:00 pm-12:55 pm

1 stop28h 55m

Bangkok Suvarnabhumi

Fri 12/18

8:30 pm-3:55 pm

1 stop31h 25m

$928

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 10/27

2:30 pm-5:00 am

1 stop27h 30m

Ho Chi Minh City

Tue 11/10

6:30 am-11:45 am

1 stop41h 15m

$1,113

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 10/27

2:30 pm-5:00 am

1 stop27h 30m

Ho Chi Minh City

Tue 11/10

6:30 am-11:45 am

1 stop41h 15m

$1,133

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 9/8

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Tue 9/22

12:10 pm-8:40 am

1 stop31h 30m

$1,170

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 9/13

10:55 am-11:10 am

1 stop37h 15m

Bangkok Don Mueang Intl

Wed 9/23

12:10 pm-8:40 am

1 stop31h 30m

$1,171

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Sun 8/9

11:35 am-12:15 am

2 stops24h 40m

Manila Ninoy Aquino Intl

Sun 8/23

8:20 pm-11:58 pm

2 stops39h 38m

$1,209

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Sun 8/9

10:16 pm-9:35 am

2 stops47h 19m

Manila Ninoy Aquino Intl

Mon 8/24

12:30 pm-11:58 pm

2 stops23h 28m

$1,215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Southeast Asia from

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

What is the cheapest month to fly to Southeast Asia?

The month of October is, on average, the cheapest month to fly to Southeast Asia from Washington, D.C., with most prices found around $999. If you don’t want to visit Southeast Asia in October, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,005.

How far in advance should I book a flight from Washington, D.C. 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 $1,082 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 $955 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 13m

Direct flights

None
The fastest flight from Washington, D.C. to Southeast Asia takes 21h 13m
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.

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?

  • 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?

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
Singapore AirlinesPriceFrom $219Free CancellationRating
8.2
1,526 reviews
Search Singapore Airlines flights
Air ChinaPriceFrom $424Free CancellationRating
7.3
152 reviews
Search Air China flights
Asiana AirlinesPriceFrom $498Free CancellationRating
8.1
535 reviews
Search Asiana Airlines flights
JetBluePriceFrom $512Free CancellationRating
7.1
2,983 reviews
Search JetBlue flights
Korean AirPriceFrom $532Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
DeltaPriceFrom $535Free CancellationRating
7.9
8,412 reviews
Search Delta flights
STARLUX AirlinesPriceFrom $625Free CancellationRating
8.9
327 reviews
Search STARLUX Airlines flights
Air CanadaPriceFrom $698Free CancellationRating
7.1
11,107 reviews
Search Air Canada flights
Philippine AirlinesPriceFrom $705Free CancellationRating
7.3
997 reviews
Search Philippine Airlines flights
Turkish AirlinesPriceFrom $748Free CancellationRating
7.4
4,405 reviews
Search Turkish Airlines 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.

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1 adult
Tue 6/30
Tue 7/7

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