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.

$496+ Cheap Flights from Vietnam to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Vietnam to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Vietnam to Reagan-National

Cheapest flights from Vietnam to Reagan-National
Explore the most affordable flight options available from Vietnam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

Sat 12/2012:25 amHAN - DCA

2 stops47h 33mUnited Airlines

Wed 1/216:00 amDCA - HAN

2 stops29h 05mUnited Airlines

Deal found 11/3

$970

Wed 11/126:20 pmHAN - DCA

2 stops37h 40mEVA Air

Wed 12/39:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 11/3

$1,061

Mon 11/101:55 amSGN - DCA

2 stops30h 05mMultiple Airlines

Wed 11/266:46 pmDCA - SGN

2 stops39h 14mMultiple Airlines

Deal found 11/1

$1,071

Wed 11/126:20 pmHAN - DCA

2 stops35h 38mMultiple Airlines

Wed 12/36:59 pmDCA - HAN

2 stops58h 16mMultiple Airlines

Deal found 11/2

$1,087

Sun 12/215:30 pmHAN - DCA

2 stops40h 29mMultiple Airlines

Wed 1/219:59 amDCA - HAN

2 stops36h 36mMultiple Airlines

Deal found 11/3

$1,185

Tue 11/1111:35 pmSGN - DCA

2 stops29h 19mJapan Airlines

Wed 11/266:30 amDCA - SGN

2 stops27h 45mJapan Airlines

Deal found 11/1

$1,331

Fri 12/1911:45 pmSGN - DCA

2 stops33h 00mJapan Airlines

Fri 1/26:30 amDCA - SGN

2 stops35h 25mJapan Airlines

Deal found 11/3

$1,406

Thu 12/181:55 amSGN - DCA

2 stops28h 02mMultiple Airlines

Fri 1/29:59 amDCA - SGN

2 stops36h 06mMultiple Airlines

Deal found 11/2

$1,445

Thu 12/181:55 amSGN - DCA

2 stops30h 44mEVA Air

Fri 1/29:59 amDCA - SGN

2 stops36h 06mEVA Air

Deal found 11/3

$1,494

Wed 12/176:20 pmHAN - DCA

2 stops38h 19mEVA Air

Wed 12/249:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 11/2

$1,507

Thu 11/66:00 amSGN - DCA

2 stops22h 52mUnited Airlines

Thu 11/67:00 pmDCA - SGN

3 stops39h 55mUnited Airlines

Deal found 11/1

$1,527

Tue 11/113:00 amHAN - DCA

2 stops30h 30mQatar Airways

Wed 12/36:10 amDCA - HAN

2 stops25h 35mQatar Airways

Deal found 11/2

$1,686

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 November 3, 2025.

Wed 2/1811:05 pmSGN - DCA

2 stops34h 31mUnited Airlines

Sun 2/228:20 amDCA - SGN

2 stops27h 55mUnited Airlines

Deal found 11/1

$953

Wed 3/183:45 pmSGN - DCA

2 stops39h 56mMultiple Airlines

Wed 4/225:30 pmDCA - SGN

2 stops29h 25mMultiple Airlines

Deal found 11/2

$1,032

Wed 2/1811:55 pmHAN - DCA

2 stops34h 00mJapan Airlines

Sun 2/227:30 amDCA - HAN

2 stops27h 00mJapan Airlines

Deal found 11/1

$1,347

Wed 12/176:20 pmHAN - DCA

2 stops38h 19mEVA Air

Wed 12/249:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 11/2

$1,507

Sat 12/2012:25 amHAN - DCA

2 stops47h 33mUnited Airlines

Wed 1/216:00 amDCA - HAN

2 stops29h 05mUnited Airlines

Deal found 11/3

$970

Sun 12/215:30 pmHAN - DCA

2 stops40h 29mMultiple Airlines

Wed 1/219:59 amDCA - HAN

2 stops36h 36mMultiple Airlines

Deal found 11/3

$1,185

Tue 2/1712:25 amHAN - DCA

2 stops30h 47mUnited Airlines

Sun 2/227:00 amDCA - HAN

2 stops28h 05mUnited Airlines

Deal found 11/2

$1,131

Fri 12/1911:45 pmSGN - DCA

2 stops33h 00mJapan Airlines

Fri 1/26:30 amDCA - SGN

2 stops35h 25mJapan Airlines

Deal found 11/3

$1,406

Wed 3/186:00 amSGN - DCA

3 stops28h 59mUnited Airlines

Wed 4/227:00 amDCA - SGN

2 stops27h 55mUnited Airlines

Deal found 11/2

$1,167

Thu 12/181:55 amSGN - DCA

2 stops28h 02mMultiple Airlines

Fri 1/29:59 amDCA - SGN

2 stops36h 06mMultiple Airlines

Deal found 11/2

$1,445

Wed 12/176:15 pmHAN - DCA

3 stops35h 50mMultiple Airlines

Wed 12/246:59 amDCA - HAN

2 stops35h 31mMultiple Airlines

Deal found 11/2

$1,710

Tue 12/1612:25 amHAN - DCA

2 stops31h 10mUnited Airlines

Wed 12/244:17 pmDCA - HAN

2 stops42h 48mUnited Airlines

Deal found 11/2

$1,925

Last-minute flights from Vietnam to Reagan-National
Discover last-minute flight deals from Vietnam to Reagan-National. Data last updated November 3, 2025 and is based on user searches.

Thu 11/66:00 amSGN - DCA

2 stops22h 52mUnited Airlines

Thu 11/67:00 pmDCA - SGN

3 stops39h 55mUnited Airlines

Deal found 11/1

$1,527

Mon 11/101:55 amSGN - DCA

2 stops30h 05mMultiple Airlines

Wed 11/266:46 pmDCA - SGN

2 stops39h 14mMultiple Airlines

Deal found 11/1

$1,071

Tue 11/1111:35 pmSGN - DCA

2 stops29h 19mJapan Airlines

Wed 11/266:30 amDCA - SGN

2 stops27h 45mJapan Airlines

Deal found 11/1

$1,331

Tue 11/113:00 amHAN - DCA

2 stops30h 30mQatar Airways

Wed 12/36:10 amDCA - HAN

2 stops25h 35mQatar Airways

Deal found 11/2

$1,686

Wed 11/126:20 pmHAN - DCA

2 stops37h 40mEVA Air

Wed 12/39:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 11/3

$1,061

Wed 11/126:20 pmHAN - DCA

2 stops35h 38mMultiple Airlines

Wed 12/36:59 pmDCA - HAN

2 stops58h 16mMultiple Airlines

Deal found 11/2

$1,087

Wed 12/176:20 pmHAN - DCA

2 stops38h 19mEVA Air

Wed 12/249:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 11/2

$1,507

Thu 12/181:55 amSGN - DCA

2 stops28h 02mMultiple Airlines

Fri 1/29:59 amDCA - SGN

2 stops36h 06mMultiple Airlines

Deal found 11/2

$1,445

Thu 12/181:55 amSGN - DCA

2 stops30h 44mEVA Air

Fri 1/29:59 amDCA - SGN

2 stops36h 06mEVA Air

Deal found 11/3

$1,494

Fri 12/1911:45 pmSGN - DCA

2 stops33h 00mJapan Airlines

Fri 1/26:30 amDCA - SGN

2 stops35h 25mJapan Airlines

Deal found 11/3

$1,406

Sat 12/2012:25 amHAN - DCA

2 stops47h 33mUnited Airlines

Wed 1/216:00 amDCA - HAN

2 stops29h 05mUnited Airlines

Deal found 11/3

$970

Sun 12/215:30 pmHAN - DCA

2 stops40h 29mMultiple Airlines

Wed 1/219:59 amDCA - HAN

2 stops36h 36mMultiple Airlines

Deal found 11/3

$1,185

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 November 3, 2025.

Mon 3/94:10 pmSGN - DCA

3 stops36h 22mMultiple Airlines

Deal found 11/1

$496

Mon 3/93:45 pmHAN - DCA

3 stops36h 47mMultiple Airlines

Deal found 11/1

$517

Tue 12/29:00 amSGN - DCA

3 stops43h 59mMultiple Airlines

Deal found 11/1

$525

Wed 3/113:45 pmHAN - DCA

3 stops36h 47mMultiple Airlines

Deal found 11/1

$552

Wed 12/35:00 amSGN - DCA

3 stops52h 59mMultiple Airlines

Deal found 11/2

$567

Tue 2/175:50 pmSGN - DCA

2 stops39h 05mMultiple Airlines

Deal found 11/1

$572

Thu 3/1211:55 amSGN - DCA

3 stops40h 37mMultiple Airlines

Deal found 11/1

$575

Tue 3/101:55 amSGN - DCA

2 stops30h 00mMultiple Airlines

Deal found 11/1

$576

Sun 11/91:55 amSGN - DCA

2 stops30h 05mMultiple Airlines

Deal found 11/1

$587

Mon 11/171:55 amSGN - DCA

2 stops30h 05mMultiple Airlines

Deal found 11/1

$591

Thu 3/121:55 amSGN - DCA

2 stops26h 37mMultiple Airlines

Deal found 11/1

$595

Thu 3/1211:45 amHAN - DCA

3 stops40h 47mMultiple Airlines

Deal found 11/1

$599

Cheap flight deals from Vietnam to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$953 (United Airlines)
One-way from	$496 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$1,506

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

Search Deals

Provider most trusted by Cheapflights users for Ho Chi Minh City-Washington, D.C. (WAS) flights.

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

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

Wed 2/18

11:05 pm-9:36 pm

2 stops34h 31m

Washington, D.C. Reagan-National

Sun 2/22

8:20 am-12:15 am

2 stops27h 55m

$953

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Sat 12/20

12:25 am-11:58 am

2 stops47h 33m

Washington, D.C. Reagan-National

Wed 1/21

6:00 am-11:05 pm

2 stops29h 05m

$970

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Wed 3/18

3:45 pm-8:41 pm

2 stops39h 56m

Washington, D.C. Reagan-National

Wed 4/22

5:30 pm-9:55 am

2 stops29h 25m

$1,032

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Tue 2/17

12:25 am-7:12 pm

2 stops30h 47m

Washington, D.C. Reagan-National

Sun 2/22

7:00 am-11:05 pm

2 stops28h 05m

$1,131

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Wed 3/18

6:00 am-11:59 pm

3 stops28h 59m

Washington, D.C. Reagan-National

Wed 4/22

7:00 am-9:55 pm

2 stops27h 55m

$1,167

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Sun 12/21

5:30 pm-9:59 pm

2 stops40h 29m

Washington, D.C. Reagan-National

Wed 1/21

9:59 am-10:35 am

2 stops36h 36m

$1,185

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Wed 2/18

11:55 pm-9:55 pm

2 stops34h 00m

Washington, D.C. Reagan-National

Sun 2/22

7:30 am-10:30 pm

2 stops27h 00m

$1,347

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Fri 12/19

11:45 pm-8:45 pm

2 stops33h 00m

Washington, D.C. Reagan-National

Fri 1/2

6:30 am-5:55 am

2 stops35h 25m

$1,406

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Thu 12/18

1:55 am-5:57 pm

2 stops28h 02m

Washington, D.C. Reagan-National

Fri 1/2

9:59 am-10:05 am

2 stops36h 06m

$1,445

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Wed 12/17

6:20 pm-8:39 pm

2 stops38h 19m

Washington, D.C. Reagan-National

Wed 12/24

9:59 am-11:35 am

2 stops37h 36m

$1,507

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 28 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.

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

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 34h. United Airlines provides one of the quickest options available for as low as $1,347. 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

Alexandria

Tysons

Woodbridge

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fairfax

Fredericksburg

Falls Church

Linthicum Heights

Manassas

Laurel

Towson

National Harbor

Waldorf

Bowie

Largo

McLean

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$496+ 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 3/9. 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

Find flight deals from Vietnam to Reagan-National

Cheapest flights from Vietnam to Reagan-NationalExplore the most affordable flight options available from Vietnam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

Explore the most affordable flight options available from Vietnam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

Cheap 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 November 3, 2025.

Most accurate provider

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?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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 Vietnam to Reagan-National

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Vietnam to Reagan-National
Explore the most affordable flight options available from Vietnam to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.