In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from VN to DCA?

When flying from Vietnam to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Vietnam to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$521+ Flights from Vietnam to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Vietnam to Reagan-National

Best flights from Vietnam to Reagan-National
Discover carefully curated flight deals from Vietnam to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Thu 2/126:00 amSGN - DCA

3 stops29h 59mUnited Airlines

Sat 2/2112:47 pmDCA - SGN

3 stops46h 08mUnited Airlines

Deal found 12/22

$964

Mon 3/301:50 amSGN - DCA

2 stops29h 10mEVA Air

Tue 4/289:59 amDCA - SGN

2 stops38h 41mEVA Air

Deal found 12/22

$972

Mon 3/301:50 amSGN - DCA

2 stops29h 10mMultiple Airlines

Tue 4/289:59 amDCA - SGN

2 stops36h 56mMultiple Airlines

Deal found 12/23

$995

Mon 6/1511:10 pmHAN - DCA

2 stops26h 33mDelta

Mon 7/277:00 amDCA - HAN

2 stops27h 35mDelta

Deal found 12/21

$1,176

Thu 2/511:05 pmSGN - DCA

2 stops31h 36mUnited Airlines

Thu 2/125:05 pmDCA - SGN

3 stops41h 50mUnited Airlines

Deal found 12/21

$985

Mon 6/1511:15 pmSGN - DCA

2 stops32h 28mUnited Airlines

Mon 7/278:00 amDCA - SGN

2 stops26h 55mUnited Airlines

Deal found 12/21

$990

Tue 3/317:00 amSGN - DCA

3 stops37h 59mUnited Airlines

Tue 4/284:11 pmDCA - SGN

3 stops42h 39mUnited Airlines

Deal found 12/22

$1,062

Wed 2/412:25 amHAN - DCA

2 stops31h 07mUnited Airlines

Thu 2/122:45 pmDCA - HAN

2 stops44h 20mUnited Airlines

Deal found 12/22

$1,373

One-way flights from Vietnam to Reagan-National
Search for one-way flight options from Vietnam to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Tue 2/32:40 amSGN - DCA

3 stops50h 19mMultiple Airlines

Deal found 12/22

$521

Tue 3/39:00 amSGN - DCA

3 stops48h 59mMultiple Airlines

Deal found 12/22

$541

Thu 2/510:15 pmSGN - DCA

3 stops54h 44mMultiple Airlines

Deal found 12/22

$548

Sun 3/19:00 amSGN - DCA

3 stops43h 59mMultiple Airlines

Deal found 12/22

$555

Mon 2/161:55 amSGN - DCA

2 stops30h 10mMultiple Airlines

Deal found 12/23

$565

Wed 3/111:55 amSGN - DCA

2 stops29h 10mEVA Air

Deal found 12/22

$568

Thu 2/56:20 pmHAN - DCA

2 stops35h 36mMultiple Airlines

Deal found 12/22

$573

Mon 4/131:50 amSGN - DCA

2 stops29h 10mMultiple Airlines

Deal found 12/21

$590

Wed 2/181:55 amSGN - DCA

2 stops30h 10mMultiple Airlines

Deal found 12/23

$595

Wed 2/181:55 amSGN - DCA

2 stops30h 10mEVA Air

Deal found 12/21

$597

Tue 2/1012:45 pmSGN - DCA

2 stops43h 15mMultiple Airlines

Deal found 12/22

$600

Thu 3/59:35 amHAN - DCA

3 stops46h 30mMultiple Airlines

Deal found 12/22

$601

Find flight deals from Vietnam to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$964 (United Airlines)
One-way from	$521 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$1,212

Provider with most accurate pricing for Ho Chi Minh City-Washington, D.C. (WAS) flight deals.

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From Vietnam to Washington, D.C. Reagan-National

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One-way flight from Vietnam to Washington, D.C. Reagan-National

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Highest demand for flights based on searches. 6% potential increase in price ($86 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Thu 2/12

6:00 am-11:59 pm

3 stops29h 59m

Washington, D.C. Reagan-National

Sat 2/21

12:47 pm-10:55 pm

3 stops46h 08m

$964

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Mon 3/30

1:50 am-8:00 pm

2 stops29h 10m

Washington, D.C. Reagan-National

Tue 4/28

9:59 am-11:40 am

2 stops38h 41m

$972

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Thu 2/5

11:05 pm-6:41 pm

2 stops31h 36m

Washington, D.C. Reagan-National

Thu 2/12

5:05 pm-10:55 pm

3 stops41h 50m

$985

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Mon 6/15

11:15 pm-8:43 pm

2 stops32h 28m

Washington, D.C. Reagan-National

Mon 7/27

8:00 am-9:55 pm

2 stops26h 55m

$990

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Mon 3/30

1:50 am-8:00 pm

2 stops29h 10m

Washington, D.C. Reagan-National

Tue 4/28

9:59 am-9:55 am

2 stops36h 56m

$995

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Tue 3/31

7:00 am-9:59 am

3 stops37h 59m

Washington, D.C. Reagan-National

Tue 4/28

4:11 pm-9:50 pm

3 stops42h 39m

$1,062

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Mon 6/15

11:10 pm-2:43 pm

2 stops26h 33m

Washington, D.C. Reagan-National

Mon 7/27

7:00 am-9:35 pm

2 stops27h 35m

$1,176

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Wed 2/4

12:25 am-7:32 pm

2 stops31h 07m

Washington, D.C. Reagan-National

Thu 2/12

2:45 pm-11:05 pm

2 stops44h 20m

$1,373

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Tue 2/3

2:40 am-4:59 pm

3 stops50h 19m

$521

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Tue 3/3

9:00 am-9:59 pm

3 stops48h 59m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 23 results

Best time to book a flight from Vietnam to Reagan-National

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

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Everything you need to know about your flight from Vietnam to Washington, D.C. Reagan-National Airport

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Related info for your journey

How long is the flight from Vietnam to Washington, D.C. Reagan-National Airport?
A quick flight from Vietnam to Washington, D.C. Reagan-National Airport can take about 26h 33m. United Airlines provides one of the quickest options available for as low as $1,176. The distance between Vietnam and Washington, D.C. Reagan-National Airport is about 8276 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Vietnam to Reagan-National that include hotel bookings?
Yes. In addition to deals on Vietnam to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Vietnam to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to Reagan-National.
Can I find deals for business class flights from Vietnam to Reagan-National?
Yes. Cheapflights offers flight deals from Vietnam to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

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$521+ Cheap flights from Vietnam to Reagan-National (DCA)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vietnam to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Vietnam to Reagan-National

Best flights from Vietnam to Reagan-NationalDiscover carefully curated flight deals from Vietnam to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Discover carefully curated flight deals from Vietnam to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Find flight deals from Vietnam to Reagan-National

Keep the following information in mind while searching for Vietnam to Reagan-National flight deals. Data was last updated December 23, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Vietnam to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Vietnam with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Vietnam to Washington, D.C. Reagan-National Airport

Related info for your journey

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

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

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

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

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Best flights from Vietnam to Reagan-National
Discover carefully curated flight deals from Vietnam to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.