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Washington, D.C.

$479+ Cheap flights from Southeast Asia to Washington, D.C. (WAS)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Southeast Asia to Washington, D.C.

Cheapest flights from Southeast Asia to Washington, D.C.
Explore the most affordable flight options available from Southeast Asia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Booking.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:20 pm
SGN
-
IAD
2 stops55h 10m
Air China
Fri 4/1711:00 pm
IAD
-
SGN
1 stop38h 40m
Air China
Deal found 2/12$679
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:40 am
MNL
-
IAD
1 stop34h 25m
United Airlines
Sun 9/2710:08 am
IAD
-
MNL
2 stops31h 47m
United Airlines
Deal found 2/10$755
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:20 pm
MNL
-
DCA
2 stops23h 55m
United Airlines
Sun 9/277:50 am
DCA
-
MNL
1 stop34h 05m
United Airlines
Deal found 2/10$755
This Air China deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:20 am
MNL
-
IAD
1 stop25h 10m
Air China
Tue 3/1011:00 pm
IAD
-
MNL
1 stop37h 05m
Air China
Deal found 2/12$776
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:20 pm
MNL
-
IAD
2 stops33h 07m
United Airlines
Wed 10/1410:05 am
IAD
-
MNL
1 stop31h 50m
United Airlines
Deal found 2/10$781
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:20 pm
MNL
-
DCA
2 stops26h 05m
United Airlines
Wed 10/1412:40 pm
DCA
-
MNL
2 stops29h 15m
United Airlines
Deal found 2/9$800
This FlightHub deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:30 pm
MNL
-
DCA
2 stops29h 07m
Japan Airlines
Wed 3/117:30 am
DCA
-
MNL
2 stops34h 15m
Japan Airlines
Deal found 2/12$811
This Gurufare deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
MNL
-
DCA
1 stop25h 13m
Multiple Airlines
Wed 9/306:00 pm
DCA
-
MNL
2 stops23h 55m
Multiple Airlines
Deal found 2/10$822
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
MNL
-
IAD
1 stop26h 03m
United Airlines
Wed 9/3010:08 am
IAD
-
MNL
2 stops31h 47m
United Airlines
Deal found 2/10$826
This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:20 pm
MNL
-
IAD
1 stop20h 40m
Multiple Airlines
Wed 9/303:30 pm
IAD
-
MNL
2 stops26h 25m
Multiple Airlines
Deal found 2/10$832
This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
MNL
-
DCA
1 stop25h 13m
ANA
Wed 9/302:00 pm
DCA
-
MNL
2 stops27h 55m
ANA
Deal found 2/10$832
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:20 am
MNL
-
IAD
1 stop25h 10m
Multiple Airlines
Tue 3/107:00 am
IAD
-
MNL
2 stops36h 55m
Multiple Airlines
Deal found 2/12$876

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

Keep the following information in mind while searching for Southeast Asia to Washington, D.C. flight deals. Data was last updated February 13, 2026.

Round-trip from

$679
(Booking.com)

One-way from

$479
(Mytrip)
From Southeast Asia to Washington, D.C. (WAS)
Search Deals
One-way flight from Southeast Asia to Washington, D.C. (WAS)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southeast Asia to Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Southeast Asia to Washington, D.C. that are best for you.

Fly from

Southeast Asia

Fly to

Washington, D.C.

Route

Depart

Return

Price

ManilaWashington, D.C.

MNL - DCA

MNLDCA

Manila Ninoy Aquino Intl

Tue 5/26

12:40 pm-8:06 pm

2 stops43h 26m

Washington, D.C. Reagan-National

Tue 9/1

9:59 am-5:35 pm

2 stops43h 36m

$881

ManilaBaltimore

MNL - BWI

MNLBWI

Manila Ninoy Aquino Intl

Tue 5/26

6:50 pm-6:28 am

2 stops23h 38m

Baltimore/Washington

Tue 9/1

7:10 pm-5:35 pm

2 stops34h 25m

$926

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

5:55 pm-6:30 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-11:50 am

1 stop33h 40m

$938

Kuala LumpurWashington, D.C.

KUL - IAD

KULIAD

Kuala Lumpur Intl

Fri 3/27

10:05 am-12:45 pm

1 stop38h 40m

Washington, D.C. Dulles Intl

Fri 4/3

9:45 pm-7:20 am

1 stop21h 35m

$977

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 5/14

4:45 pm-8:06 pm

2 stops38h 21m

Washington, D.C. Reagan-National

Mon 8/24

9:59 am-11:20 am

2 stops38h 21m

$989

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 4/1

11:10 am-7:50 pm

1 stop44h 40m

Washington, D.C. Dulles Intl

Thu 4/16

9:45 pm-9:30 am

1 stop23h 45m

$997

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/27

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Fri 4/3

9:45 pm-8:45 am

1 stop23h 00m

$1,001

ManilaBaltimore

MNL - BWI

MNLBWI

Manila Ninoy Aquino Intl

Tue 3/17

6:50 pm-6:05 pm

2 stops35h 15m

Baltimore/Washington

Tue 7/21

7:35 pm-11:40 am

2 stops28h 05m

$1,011

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 5/10

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Sun 9/13

1:20 pm-9:10 pm

1 stop44h 50m

$1,012

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 6/8

4:45 pm-6:28 am

2 stops24h 43m

Baltimore/Washington

Wed 7/15

7:35 pm-11:20 am

2 stops28h 45m

$1,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 60 results
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Best time to book a flight from Southeast Asia to Washington, D.C.

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

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

Currently, January is the cheapest month in which you can book a flight from Southeast Asia to Washington, D.C. (average of $651). Flying from Southeast Asia to Washington, D.C. in July is currently the most expensive (average of $970). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated February 13, 2026.
Read reviews from past customers who have flown Korean Air, ANA, and Japan Airlines from Southeast Asia to Washington, D.C.. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,191 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
ANA
8.4
Very good
1,092 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Japan Airlines
8.3
Very good
1,704 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,201 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Philippine Airlines
7.3
Good
955 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Washington, D.C.. 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 Southeast Asia to Washington, D.C.?

    Airlines like EVA Air, Turkish Airlines, and AIR PREMIA fly from Southeast Asia to Washington, D.C. in about 23h 05m. The time it takes to get you to your destination can typically vary by up to 20h 21m. Southeast Asia and Washington, D.C. are separated by a distance of 8792 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for SAUDIA. According to our data, you can fly for as low as $401. Users have also found prices from $436 and $439 on Air China and Korean Air, respectively.

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

    The most popular route from Southeast Asia to Washington, D.C. is Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl. You may also consider Bangkok Suvarnabhumi - Baltimore/Washington or Kuala Lumpur Intl - Washington, D.C. Dulles Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southeast Asia to Washington, D.C. 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 Southeast Asia to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from Southeast Asia to Washington, D.C. (average of $651). Flying from Southeast Asia to Washington, D.C. in July is currently the most expensive (average of $970). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

See prices for flight routes from nearby airports that may be better suited for you.
Hyderabad to Dulles Intl flights
Hyderabad to Reagan-National flights
Haneda to Dulles Intl flights
Incheon Intl to Dulles Intl flights
Mumbai to Dulles Intl flights
Ahmedabad to Dulles Intl flights
New Delhi to Dulles Intl flights
Bangalore to Dulles Intl flights
Mumbai to Reagan-National flights
New Delhi to Reagan-National flights
Bangalore to Reagan-National flights
Lahore to Dulles Intl flights
Chennai to Dulles Intl flights
Chennai to Reagan-National flights
Suvarnabhumi to Dulles Intl flights
Taiwan Taoyuan Intl to Dulles Intl flights
Ahmedabad to Reagan-National flights
Suvarnabhumi to Reagan-National flights
Taiwan Taoyuan Intl to Reagan-National flights
Narita to Dulles Intl flights
Haneda to Reagan-National flights
Narita to Reagan-National flights
Karachi to Dulles Intl flights
Nagpur to Dulles Intl flights
Islamabad to Dulles Intl flights
Capital to Dulles Intl flights
Incheon Intl to Reagan-National flights
Cochin to Dulles Intl flights
Kolkata to Dulles Intl flights
Colombo to Dulles Intl flights
Capital to Reagan-National flights
Dhaka to Dulles Intl flights
Manila to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Hongqiao Intl to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Okinawa to Dulles Intl flights
Lahore to Reagan-National flights
Singapore to Dulles Intl flights
Tbilisi to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Islamabad to Reagan-National flights
Manila to Reagan-National flights
Pu Dong to Reagan-National flights

Top 9 airlines flying from Southeast Asia to Washington, D.C.

Discover the top 9 airlines that operate flights from Southeast Asia to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$802Average$1,077FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$877Average$1,194FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$902Average$1,307FlexibilityNo cancel feeOn-time60%
EVA AirCheapest$941Average$970FlexibilityNo cancel feeOn-time74%
ANACheapest$977Average$1,350FlexibilityNo cancel feeOn-time80%
DeltaCheapest$1,001Average$1,460FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,134Average$1,172FlexibilityNo cancel feeOn-time68%
Japan AirlinesCheapest$1,178Average$1,320FlexibilityNo cancel feeOn-time79%
EmiratesCheapest$1,252Average$1,456FlexibilityNo cancel feeOn-time75%

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