Southeast Asia

$501+ Cheap flights from Reagan-National (DCA) 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BKK
May 6 — May 131
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Cheap flight deals from Reagan-National to Southeast Asia

Keep the following information in mind while searching for Reagan-National to Southeast Asia flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$994
(StudentUniverse)

One-way from

$501
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,464
Provider with most accurate pricing for Washington, D.C. (WAS)-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Manila Ninoy Aquino Intl flights.
From Washington, D.C. Reagan-National to Southeast Asia
One-way flight from Washington, D.C. Reagan-National to Southeast Asia
Highest demand for flights based on searches. 6% potential increase in price ($95 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from Reagan-National to Southeast Asia

Cheapest flights from Reagan-National to Southeast Asia
Explore the most affordable flight options available from Reagan-National to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:55 amDCA - BKK
2 stops24h 55mCathay Pacific
Wed 5/2112:30 pmBKK - DCA
2 stops31h 59mCathay Pacific
Deal found 4/29$994
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Thu 5/16:59 amDCA - SIN
2 stops60h 06mAir Canada
Wed 5/146:15 amSIN - DCA
2 stops45h 34mAir Canada
Deal found 4/30$1,038
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:30 pmDCA - BKK
2 stops28h 20mMultiple Airlines
Tue 2/105:50 pmBKK - DCA
2 stops34h 25mMultiple Airlines
Deal found 4/30$1,063
This oojo deal was found by Cheapflights users on 4/30. 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.
Sun 5/410:00 pmDCA - HKT
2 stops49h 50mCathay Pacific
Wed 7/166:20 pmHKT - DCA
2 stops39h 51mCathay Pacific
Deal found 4/30$1,065
This Flysmarter deal was found by Cheapflights users on 4/30. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:55 amDCA - SIN
2 stops29h 35mMultiple Airlines
Tue 5/208:00 amSIN - DCA
2 stops25h 34mMultiple Airlines
Deal found 4/30$1,066
This oojo deal was found by Cheapflights users on 4/30. 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 9/25:06 pmDCA - BKK
2 stops32h 04mChina Airlines
Wed 9/245:30 pmBKK - DCA
2 stops35h 29mChina Airlines
Deal found 4/30$1,077
This Kissandfly.com deal was found by Cheapflights users on 4/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:54 amDCA - SIN
2 stops35h 51mCathay Pacific
Tue 5/131:50 amSIN - DCA
2 stops29h 17mCathay Pacific
Deal found 4/30$1,097
This Air Canada deal was found by Cheapflights users on 4/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:35 pmDCA - SGN
2 stops44h 40mAir Canada
Thu 10/237:00 amSGN - DCA
2 stops43h 51mAir Canada
Deal found 4/29$1,100
This China Airlines deal was found by Cheapflights users on 4/29. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:06 pmDCA - SGN
2 stops36h 14mMultiple Airlines
Mon 9/292:05 amSGN - DCA
2 stops50h 54mMultiple Airlines
Deal found 4/29$1,103
This oojo deal was found by Cheapflights users on 4/30. 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 9/105:06 pmDCA - SGN
2 stops31h 34mEVA Air
Tue 9/231:50 amSGN - DCA
2 stops27h 09mEVA Air
Deal found 4/30$1,104
This Cathay Pacific deal was found by Cheapflights users on 4/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/211:54 amDCA - SGN
2 stops35h 11mCathay Pacific
Sun 6/111:05 amSGN - DCA
2 stops43h 02mCathay Pacific
Deal found 4/30$1,113
This oojo deal was found by Cheapflights users on 4/30. 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 10/18:59 amDCA - SGN
2 stops29h 06mChina Airlines
Wed 10/810:50 amSGN - DCA
2 stops45h 05mChina Airlines
Deal found 4/30$1,121

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Southeast Asia that are best for you.

Fly from

Reagan-National

Fly to

Southeast Asia

Route

Depart

Return

Price

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 5/6

11:55 am-11:50 pm

2 stops24h 55m

Bangkok Suvarnabhumi

Wed 5/21

12:30 pm-9:29 am

2 stops31h 59m

$994

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 10/1

4:35 pm-7:05 am

2 stops50h 30m

Singapore Changi

Wed 10/15

6:15 am-9:51 pm

2 stops27h 36m

$1,038

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Sun 5/4

10:00 pm-10:50 am

2 stops49h 50m

Phuket City

Wed 7/16

6:20 pm-11:11 pm

2 stops39h 51m

$1,065

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Sun 9/28

4:35 pm-12:15 am

2 stops44h 40m

Ho Chi Minh City

Thu 10/23

7:00 am-3:51 pm

2 stops43h 51m

$1,100

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 8/26

5:06 pm-4:20 pm

2 stops36h 14m

Ho Chi Minh City

Mon 9/29

2:05 am-5:59 pm

2 stops50h 54m

$1,103

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 9/10

5:06 pm-11:40 am

2 stops31h 34m

Ho Chi Minh City

Tue 9/23

1:50 am-5:59 pm

2 stops27h 09m

$1,104

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 10/1

8:59 am-1:05 am

2 stops29h 06m

Ho Chi Minh City

Wed 10/8

10:50 am-8:55 pm

2 stops45h 05m

$1,121

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Sun 5/4

8:10 am-10:05 pm

2 stops25h 55m

Manila Ninoy Aquino Intl

Mon 5/19

1:10 am-2:53 pm

2 stops25h 43m

$1,123

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Wed 5/7

8:59 am-10:50 pm

2 stops49h 51m

Manila Ninoy Aquino Intl

Wed 5/21

5:45 am-8:59 pm

2 stops27h 14m

$1,129

Washington, D.C.Manila

DCA - MNL

DCAMNL

Washington, D.C. Reagan-National

Sat 5/10

6:35 pm-3:50 pm

2 stops33h 15m

Manila Ninoy Aquino Intl

Tue 5/27

4:00 am-4:44 pm

2 stops48h 44m

$1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from Reagan-National to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Reagan-National 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. Reagan-National Airport to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Southeast Asia (average of $955). Flying from Washington, D.C. Reagan-National Airport to Southeast Asia in December is currently the most expensive (average of $1,574). 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 DCA to YJX?

Find hourly flight availability from Reagan-National 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Southeast Asia as you normally would.

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 May 1, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan 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.

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Southeast Asia one-way?

    To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at $501. China Airlines flights start at $593 while deals on Air Canada start at $602 one-way.

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

  • Can I find deals for flights from Reagan-National to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Southeast Asia?

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

  • Can I find deals for business class flights from Reagan-National to Southeast Asia?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Southeast Asia (average of $955). Flying from Washington, D.C. Reagan-National Airport to Southeast Asia in December is currently the most expensive (average of $1,574). 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

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Alternative routes for Reagan-National to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Reagan-National to Southeast Asia

Discover the top 10 airlines that operate flights from Reagan-National 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$978Average$1,218FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$980Average$1,238FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,012Average$1,049FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,018Average$1,518FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,021Average$1,140FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,026Average$1,924FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$1,063Average$1,267FlexibilityNo cancel feeOn-time72%
ANACheapest$1,105Average$1,226FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,167Average$1,553FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$1,282Average$1,775FlexibilityNo cancel feeOn-time60%

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