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$495+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Nov 12 — Nov 191
Tue 11/12
Tue 11/19
1 adult, Economy
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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 November 7, 2024.

This FareScan deal was found by Cheapflights users on 11/6. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/122:00 pmIAD - SGN
1 stop38h 30mTurkish Airlines
Wed 12/1110:15 pmSGN - IAD
1 stop25h 30mTurkish Airlines
Deal found 11/6$999
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/242:00 pmIAD - MNL
1 stop39h 10mTurkish Airlines
Tue 12/35:25 amMNL - IAD
1 stop43h 20mTurkish Airlines
Deal found 11/6$1,005
This IEagle deal was found by Cheapflights users on 11/6. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2411:50 amIAD - MNL
1 stop34h 10mKorean Air
Mon 12/22:20 amMNL - IAD
1 stop20h 30mKorean Air
Deal found 11/6$1,039
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Tue 11/262:00 pmIAD - BKK
1 stop26h 40mTurkish Airlines
Tue 12/1710:00 amBKK - IAD
1 stop45h 30mTurkish Airlines
Deal found 11/6$1,065
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:00 pmBWI - MNL
2 stops28h 00mMultiple Airlines
Wed 12/1111:20 pmMNL - BWI
2 stops32h 04mMultiple Airlines
Deal found 11/6$1,085
This Expedia deal was found by Cheapflights users on 11/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/75:28 pmIAD - MNL
2 stops43h 42mMultiple Airlines
Thu 11/144:55 pmMNL - IAD
2 stops36h 20mMultiple Airlines
Deal found 11/7$1,088
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:30 amBWI - BKK
2 stops34h 35mMultiple Airlines
Thu 12/121:55 amBKK - BWI
3 stops34h 40mMultiple Airlines
Deal found 11/6$1,094
This oojo deal was found by Cheapflights users on 11/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/136:42 amDCA - MNL
2 stops26h 53mCathay Pacific
Tue 11/265:45 amMNL - DCA
2 stops23h 40mCathay Pacific
Deal found 11/7$1,097
This Gotogate deal was found by Cheapflights users on 11/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/242:00 pmIAD - BKK
1 stop37h 10mMultiple Airlines
Mon 12/98:35 amBKK - IAD
2 stops38h 48mMultiple Airlines
Deal found 11/6$1,109
This oojo deal was found by Cheapflights users on 11/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/125:28 pmIAD - SGN
2 stops37h 07mCathay Pacific
Wed 12/117:35 pmSGN - IAD
2 stops32h 35mCathay Pacific
Deal found 11/6$1,110
This oojo deal was found by Cheapflights users on 11/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/264:35 pmIAD - BKK
2 stops43h 35mAir China
Mon 12/97:30 pmBKK - IAD
1 stop30h 40mAir China
Deal found 11/7$1,114
This Orbitz deal was found by Cheapflights users on 11/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/109:10 amDCA - MNL
2 stops28h 00mMultiple Airlines
Tue 11/124:55 pmMNL - DCA
2 stops41h 04mMultiple Airlines
Deal found 11/6$1,116

Find flights from Washington, D.C. to Southeast Asia within your budget

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, Cheapflights users made 2,537,365 searches. Data last updated November 7, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 4/1

11:15 am-7:40 am

1 stop33h 25m

$527

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Mon 12/9

6:10 pm-6:45 am

3 stops48h 35m

$527

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 1/19

1:30 pm-4:40 am

1 stop27h 10m

$545

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 2/4

9:30 pm-11:35 pm

1 stop38h 05m

$547

Washington, D.C.Manila

IAD - MNL

IADMNL

Washington, D.C. Dulles Intl

Thu 11/14

5:28 pm-9:40 am

2 stops27h 12m

$591

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 3/12

8:18 am-12:20 am

2 stops29h 02m

$593

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 3/26

2:30 pm-4:10 pm

2 stops38h 40m

$596

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 1/28

9:00 am-5:00 pm

2 stops44h 00m

$622

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 1/12

7:35 pm-4:50 pm

2 stops33h 15m

$651

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 11/18

7:15 pm-1:45 pm

2 stops30h 30m

$682

Flights are sorted by cheapest first

Deals found on 11/6

Showing 1-10 of 60 results
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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.

Travel insights for flights from Washington, D.C. to Southeast Asia

Get recent, data-driven insights about flights from Washington, D.C. to Southeast Asia including ideal travel times, pricing trends, and more.

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 $979). Flying from Washington, D.C. to Southeast Asia in June is currently the most expensive (average of $1,585). 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?

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 November 7, 2024.

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.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

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.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated November 7, 2024.
Get a feel of what it's like to fly with Qatar Airways, Ethiopian Air and Air Canada from Washington, D.C. to Southeast Asia by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
832 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.4
Very good
481 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,456 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
782 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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.

  • 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 $495 on Turkish Airlines. Other airlines that offer cheap prices include Etihad Airways from $547 and Cathay Pacific from $591 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, Washington, D.C. Reagan-National - Bangkok Suvarnabhumi or Baltimore/Washington - 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 $979). Flying from Washington, D.C. to Southeast Asia in June is currently the most expensive (average of $1,585). 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.

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to Southeast Asia

Discover the top 10 airlines that operate flights from Washington, D.C. to Southeast Asia. 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 2,537,365 searches. Data last updated November 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$1,185FlexibilityNo cancel feeOn-time71%
Air IndiaCheapest$778Average$990FlexibilityNo cancel feeOn-timeN/A
Air ChinaCheapest$829Average$1,014FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$884Average$1,218FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$896Average$1,479FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$904Average$1,692FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$934Average$1,786FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$936Average$1,190FlexibilityNo cancel feeOn-time75%
Cathay PacificCheapest$950Average$1,343FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$989Average$1,208FlexibilityNo cancel feeOn-time62%
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