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$475+ Cheap flights from Reagan-National (DCA) to Vietnam

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SGN
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
1 adult, Economy
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Find flight deals from Reagan-National to Vietnam

Cheapest flights from Reagan-National to Vietnam
Explore the most affordable flight options available from Reagan-National to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 12, 2025.

This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/278:00 amDCA - SGN
2 stops44h 50mChina Airlines
mar. 12/165:50 pmSGN - DCA
2 stops38h 10mChina Airlines
Deal found 11/12$921
This oojo deal was found by Cheapflights users on 11/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/119:59 amDCA - SGN
2 stops42h 51mChina Airlines
mar. 11/185:50 pmSGN - DCA
2 stops38h 10mChina Airlines
Deal found 11/10$927
This oojo deal was found by Cheapflights users on 11/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/149:59 amDCA - SGN
2 stops36h 01mChina Airlines
dom. 11/165:50 pmSGN - DCA
2 stops38h 10mChina Airlines
Deal found 11/10$938
This China Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 11/129:59 amDCA - SGN
2 stops42h 51mMultiple Airlines
mié. 11/265:50 pmSGN - DCA
2 stops57h 09mMultiple Airlines
Deal found 11/11$945
This Expedia deal was found by Cheapflights users on 11/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/119:59 amDCA - SGN
2 stops36h 01mMultiple Airlines
mar. 11/185:50 pmSGN - DCA
2 stops38h 10mMultiple Airlines
Deal found 11/10$966
This United Airlines deal was found by Cheapflights users on 11/10. 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.
mar. 11/186:00 amDCA - SGN
2 stops27h 50mUnited Airlines
mié. 12/107:30 amSGN - DCA
2 stops24h 05mUnited Airlines
Deal found 11/10$973
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/234:34 pmDCA - SGN
3 stops42h 21mUnited Airlines
dom. 11/3011:05 pmSGN - DCA
2 stops29h 51mUnited Airlines
Deal found 11/12$974
This oojo deal was found by Cheapflights users on 11/11. 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.
jue. 11/139:45 amDCA - SGN
2 stops36h 50mCathay Pacific
jue. 12/257:15 amSGN - DCA
2 stops27h 44mCathay Pacific
Deal found 11/11$976
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/167:59 pmDCA - SGN
3 stops38h 56mUnited Airlines
mar. 11/257:30 amSGN - DCA
2 stops39h 59mUnited Airlines
Deal found 11/12$985
This United Airlines deal was found by Cheapflights users on 11/11. 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.
mar. 11/187:00 amDCA - SGN
2 stops26h 50mUnited Airlines
mié. 11/266:00 amSGN - DCA
3 stops28h 09mUnited Airlines
Deal found 11/11$986
This United Airlines deal was found by Cheapflights users on 11/11. 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.
jue. 11/137:00 amDCA - SGN
2 stops29h 15mUnited Airlines
mar. 11/256:00 amSGN - DCA
3 stops26h 45mUnited Airlines
Deal found 11/11$989
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:36 amDCA - HAN
2 stops25h 54mAmerican Airlines
lun. 12/1511:55 pmHAN - DCA
2 stops33h 05mAmerican Airlines
Deal found 11/10$1,001

Cheap flight deals from Reagan-National to Vietnam

Keep the following information in mind while searching for Reagan-National to Vietnam flight deals. Data was last updated noviembre 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$915
(oojo)

One-way from

$475
(Expedia)

Popular in

June

Cheapest in

September

Average price

$1,026
Provider with most accurate pricing for Washington, D.C. (WAS)-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ho Chi Minh City flights.
Search Deals
From Washington, D.C. Reagan-National to Vietnam
Search Deals
One-way flight from Washington, D.C. Reagan-National to Vietnam
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($276 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Vietnam 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 noviembre 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Vietnam that are best for you.

Fly from

Reagan-National

Fly to

Vietnam

Route

Depart

Return

Price

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

dom. 11/23

4:34 pm-10:55 pm

3 stops42h 21m

Ho Chi Minh City

dom. 11/30

11:05 pm-4:56 pm

2 stops29h 51m

$974

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mar. 3/24

6:00 am-10:55 pm

3 stops29h 55m

Ho Chi Minh City

mié. 4/15

11:15 pm-9:06 pm

2 stops32h 51m

$974

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mar. 1/27

6:00 am-12:15 am

2 stops30h 15m

Ho Chi Minh City

mar. 2/10

7:30 am-7:32 pm

2 stops24h 02m

$976

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mar. 1/27

6:00 am-12:15 am

2 stops30h 15m

Ho Chi Minh City

mié. 2/11

7:30 am-7:13 pm

2 stops23h 43m

$976

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mié. 1/28

7:00 am-12:15 am

2 stops29h 15m

Ho Chi Minh City

jue. 2/12

7:30 am-7:35 pm

2 stops24h 05m

$976

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mar. 3/24

7:00 am-10:55 pm

2 stops28h 55m

Ho Chi Minh City

jue. 4/16

7:00 am-9:06 pm

2 stops25h 06m

$981

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mié. 2/11

4:28 pm-10:55 pm

3 stops42h 27m

Ho Chi Minh City

mar. 3/17

6:00 am-8:19 am

3 stops37h 19m

$985

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mié. 3/25

6:00 am-10:55 pm

3 stops29h 55m

Ho Chi Minh City

mié. 4/1

7:00 am-10:48 pm

3 stops26h 48m

$985

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

mar. 3/31

7:50 am-9:50 pm

2 stops27h 00m

Ho Chi Minh City

mar. 4/28

7:00 am-11:59 pm

3 stops27h 59m

$994

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

jue. 12/4

8:36 am-10:30 pm

2 stops25h 54m

Hanoi Noibai

lun. 12/15

11:55 pm-9:00 pm

2 stops33h 05m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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

Have a flexible travel schedule? Discover the best time to fly to Vietnam 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 Vietnam

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Vietnam (average of $574). Flying from Washington, D.C. Reagan-National Airport to Vietnam in May is currently the most expensive (average of $1,252). 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 VN?

Find hourly flight availability from Reagan-National to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 12, 2025.

When flying from Washington, D.C. Reagan-National Airport to Vietnam, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 30% versus a flight at noon.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated noviembre 12, 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, and Cathay Pacific from Washington, D.C. Reagan-National Airport to Vietnam by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,003 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,003 reviews
ANA
8.4
Very good
1,003 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,610 reviews
ANA
8.4
Very good
1,003 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Cathay Pacific
7.6
Good
1,058 reviews
ANA
8.4
Very good
1,003 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,015 reviews
ANA
8.4
Very good
1,003 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Vietnam. 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. Reagan-National Airport to Vietnam?

    United Airlines, American Airlines, and Delta can get you from Washington, D.C. Reagan-National Airport to Vietnam in just under 25h 54m. Your travel time can differ by up to 16h 27m. Airlines will cover a distance of 8276 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Vietnam one-way?

    $511 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on ANA and Japan Airlines, with prices starting from $523 and $528, respectively.

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

    When deciding which route to take from Washington, D.C. Reagan-National Airport to Vietnam consider Washington, D.C. Reagan-National - Ho Chi Minh City, Washington, D.C. Reagan-National - Hanoi Noibai or Washington, D.C. Reagan-National - Da Nang as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Vietnam 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 Vietnam?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Vietnam (average of $574). Flying from Washington, D.C. Reagan-National Airport to Vietnam in May is currently the most expensive (average of $1,252). 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 Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Incheon Intl flights
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Reagan-National to Ahmedabad flights
Reagan-National to Hongqiao Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Ho Chi Minh City flights
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Baltimore to Ho Chi Minh City flights
Baltimore to Ahmedabad flights
Dulles Intl to Hong Kong flights
Baltimore to Taiwan Taoyuan Intl flights
Dulles Intl to Pu Dong flights
Reagan-National to Chennai flights
Dulles Intl to Kathmandu flights
Reagan-National to Hong Kong flights

Top 4 airlines flying from Reagan-National to Vietnam

Discover the top 4 airlines that operate flights from Reagan-National to Vietnam. 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 noviembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$974Average$1,198FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$985Average$1,183FlexibilityNo cancel feeOn-time69%
ANACheapest$1,041Average$1,312FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$1,082Average$1,310FlexibilityNo cancel feeOn-time79%

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