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

Currently, February is the cheapest month in which you can book a flight from Vietnam to Washington, D.C. Reagan-National Airport (average of $278). Flying from Vietnam to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

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 month to fly from Vietnam to Washington, D.C. Reagan-National Airport?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, February can be a great choice for travel to Washington, D.C. Reagan-National Airport. Flights to Washington, D.C. Reagan-National Airport from Vietnam in February are about $1,354 on average during February, but can be found for as low as $977.

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.

$596+ Cheap Flights from Vietnam to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Vietnam to Reagan-National

Round-trip from	$956 (United Airlines)
One-way from	$596 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$1,172

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. 5% potential increase in price ($76 potential increase over avg. RT price).

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

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Average for round-trip flights in September 2025

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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 September 15, 2025.

Wed 10/296:00 amSGN - DCA

3 stops27h 42mUnited Airlines

Wed 11/57:00 amDCA - SGN

2 stops27h 55mUnited Airlines

Deal found 9/14

$964

Tue 12/91:55 amSGN - DCA

2 stops30h 05mEVA Air

Sat 1/179:30 amDCA - SGN

2 stops38h 05mEVA Air

Deal found 9/13

$1,009

Wed 10/295:50 pmSGN - DCA

2 stops37h 10mMultiple Airlines

Wed 11/59:59 amDCA - SGN

2 stops42h 51mMultiple Airlines

Deal found 9/14

$1,012

Wed 10/1511:15 pmSGN - DCA

2 stops27h 36mUnited Airlines

Wed 10/226:00 amDCA - SGN

2 stops28h 55mUnited Airlines

Deal found 9/14

$1,016

Mon 9/221:50 amSGN - DCA

2 stops30h 09mEVA Air

Fri 2/276:35 pmDCA - SGN

2 stops29h 00mEVA Air

Deal found 9/13

$1,029

Wed 10/1512:50 pmSGN - DCA

2 stops43h 24mEVA Air

Wed 10/226:59 pmDCA - SGN

2 stops29h 41mEVA Air

Deal found 9/15

$1,058

Wed 11/1212:35 pmHAN - DCA

2 stops43h 25mEVA Air

Wed 12/39:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 9/14

$1,071

Tue 9/233:45 pmSGN - DCA

2 stops37h 14mMultiple Airlines

Fri 2/276:35 pmDCA - SGN

2 stops27h 30mMultiple Airlines

Deal found 9/13

$1,102

Fri 12/197:50 amSGN - DCA

2 stops24h 55mJapan Airlines

Fri 1/28:00 amDCA - SGN

2 stops26h 25mJapan Airlines

Deal found 9/15

$1,274

Sat 9/206:00 pmHAN - DCA

2 stops58h 59mMultiple Airlines

Mon 10/136:59 pmDCA - HAN

2 stops34h 51mMultiple Airlines

Deal found 9/15

$1,278

Fri 10/36:00 pmHAN - DCA

2 stops38h 14mMultiple Airlines

Fri 10/109:59 amDCA - HAN

2 stops67h 51mMultiple Airlines

Deal found 9/14

$1,357

Fri 9/191:45 amHAN - DCA

2 stops30h 14mPhilippine Airlines

Mon 10/135:21 pmDCA - HAN

2 stops44h 24mPhilippine Airlines

Deal found 9/15

$1,697

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 September 15, 2025.

Sat 2/146:00 amSGN - DCA

3 stops28h 47mUnited Airlines

Sat 2/217:59 pmDCA - SGN

3 stops38h 56mUnited Airlines

Deal found 9/15

$956

Tue 12/91:55 amSGN - DCA

2 stops30h 05mEVA Air

Sat 1/179:30 amDCA - SGN

2 stops38h 05mEVA Air

Deal found 9/13

$1,009

Wed 10/295:50 pmSGN - DCA

2 stops37h 10mMultiple Airlines

Wed 11/59:59 amDCA - SGN

2 stops42h 51mMultiple Airlines

Deal found 9/14

$1,012

Wed 2/1811:55 pmHAN - DCA

2 stops34h 00mJapan Airlines

Sun 2/226:59 amDCA - HAN

2 stops27h 31mJapan Airlines

Deal found 9/13

$1,347

Tue 11/1112:25 amHAN - DCA

2 stops31h 20mAir Canada

Wed 12/38:40 pmDCA - HAN

2 stops38h 25mAir Canada

Deal found 9/14

$1,759

Wed 10/296:00 amSGN - DCA

3 stops27h 42mUnited Airlines

Wed 11/57:00 amDCA - SGN

2 stops27h 55mUnited Airlines

Deal found 9/14

$964

Wed 11/1212:35 pmHAN - DCA

2 stops43h 25mEVA Air

Wed 12/39:59 amDCA - HAN

2 stops37h 36mEVA Air

Deal found 9/14

$1,071

Wed 2/1811:05 pmSGN - DCA

2 stops34h 34mUnited Airlines

Sun 2/228:20 amDCA - SGN

2 stops49h 30mUnited Airlines

Deal found 9/12

$991

Tue 2/1712:25 amHAN - DCA

2 stops44h 26mUnited Airlines

Sun 2/224:07 pmDCA - HAN

2 stops42h 58mUnited Airlines

Deal found 9/14

$1,017

Fri 10/36:00 pmHAN - DCA

2 stops38h 14mMultiple Airlines

Fri 10/109:59 amDCA - HAN

2 stops67h 51mMultiple Airlines

Deal found 9/14

$1,357

Last-minute flights from Vietnam to Reagan-National
Discover last-minute flight deals from Vietnam to Reagan-National. Data last updated September 15, 2025 and is based on user searches.

Fri 9/191:45 amHAN - DCA

2 stops30h 14mPhilippine Airlines

Mon 10/135:21 pmDCA - HAN

2 stops44h 24mPhilippine Airlines

Deal found 9/15

$1,697

Sat 9/206:00 pmHAN - DCA

2 stops58h 59mMultiple Airlines

Mon 10/136:59 pmDCA - HAN

2 stops34h 51mMultiple Airlines

Deal found 9/15

$1,278

Mon 9/221:50 amSGN - DCA

2 stops30h 09mEVA Air

Fri 2/276:35 pmDCA - SGN

2 stops29h 00mEVA Air

Deal found 9/13

$1,029

Tue 9/233:45 pmSGN - DCA

2 stops37h 14mMultiple Airlines

Fri 2/276:35 pmDCA - SGN

2 stops27h 30mMultiple Airlines

Deal found 9/13

$1,102

Fri 10/36:00 pmHAN - DCA

2 stops38h 14mMultiple Airlines

Fri 10/109:59 amDCA - HAN

2 stops67h 51mMultiple Airlines

Deal found 9/14

$1,357

Fri 10/312:40 pmHAN - DCA

2 stops43h 34mSingapore Airlines

Fri 10/109:59 amDCA - HAN

3 stops44h 36mSingapore Airlines

Deal found 9/14

$2,193

Wed 10/1511:15 pmSGN - DCA

2 stops27h 36mUnited Airlines

Wed 10/226:00 amDCA - SGN

2 stops28h 55mUnited Airlines

Deal found 9/14

$1,016

Wed 10/1512:50 pmSGN - DCA

2 stops43h 24mEVA Air

Wed 10/226:59 pmDCA - SGN

2 stops29h 41mEVA Air

Deal found 9/15

$1,058

Wed 10/1511:35 pmSGN - DCA

2 stops33h 16mMultiple Airlines

Wed 10/229:40 amDCA - SGN

3 stops32h 40mMultiple Airlines

Deal found 9/14

$1,387

Wed 10/296:00 amSGN - DCA

3 stops27h 42mUnited Airlines

Wed 11/57:00 amDCA - SGN

2 stops27h 55mUnited Airlines

Deal found 9/14

$964

Wed 10/295:50 pmSGN - DCA

2 stops37h 10mMultiple Airlines

Wed 11/59:59 amDCA - SGN

2 stops42h 51mMultiple Airlines

Deal found 9/14

$1,012

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 September 15, 2025.

Sun 11/239:30 amHAN - DCA

3 stops48h 29mMultiple Airlines

Deal found 9/14

$596

Fri 11/149:00 amHAN - DCA

3 stops44h 58mMultiple Airlines

Deal found 9/15

$603

Tue 2/175:55 pmSGN - DCA

3 stops39h 00mMultiple Airlines

Deal found 9/14

$665

Fri 2/2011:40 amSGN - DCA

2 stops45h 15mMultiple Airlines

Deal found 9/13

$676

Tue 2/245:55 pmSGN - DCA

2 stops35h 37mMultiple Airlines

Deal found 9/14

$677

Mon 12/19:45 pmSGN - DCA

3 stops54h 23mMultiple Airlines

Deal found 9/14

$680

Wed 10/156:25 pmSGN - DCA

3 stops37h 49mMultiple Airlines

Deal found 9/14

$682

Sun 9/211:50 amSGN - DCA

2 stops27h 09mMultiple Airlines

Deal found 9/14

$688

Tue 1/135:50 pmSGN - DCA

2 stops35h 42mChina Airlines

Deal found 9/15

$694

Tue 2/243:45 pmSGN - DCA

2 stops37h 47mEVA Air

Deal found 9/13

$697

Thu 12/185:50 pmSGN - DCA

2 stops38h 49mMultiple Airlines

Deal found 9/14

$703

Tue 3/101:55 amSGN - DCA

2 stops30h 00mMultiple Airlines

Deal found 9/13

$712

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

Sat 2/14

6:00 am-10:47 pm

3 stops28h 47m

Washington, D.C. Reagan-National

Sat 2/21

7:59 pm-10:55 pm

3 stops38h 56m

$956

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Wed 10/29

6:00 am-10:42 pm

3 stops27h 42m

Washington, D.C. Reagan-National

Wed 11/5

7:00 am-10:55 pm

2 stops27h 55m

$964

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Wed 2/18

11:05 pm-9:39 pm

2 stops34h 34m

Washington, D.C. Reagan-National

Sun 2/22

8:20 am-9:50 pm

2 stops49h 30m

$991

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Tue 12/9

1:55 am-8:00 pm

2 stops30h 05m

Washington, D.C. Reagan-National

Sat 1/17

9:30 am-11:35 am

2 stops38h 05m

$1,009

Ho Chi Minh CityWashington, D.C.

SGN - DCA

SGNDCA

Ho Chi Minh City

Wed 10/29

5:50 pm-8:00 pm

2 stops37h 10m

Washington, D.C. Reagan-National

Wed 11/5

9:59 am-4:50 pm

2 stops42h 51m

$1,012

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Tue 2/17

12:25 am-8:51 am

2 stops44h 26m

Washington, D.C. Reagan-National

Sun 2/22

4:07 pm-11:05 pm

2 stops42h 58m

$1,017

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Wed 11/12

12:35 pm-8:00 pm

2 stops43h 25m

Washington, D.C. Reagan-National

Wed 12/3

9:59 am-11:35 am

2 stops37h 36m

$1,071

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

6:59 am-10:30 pm

2 stops27h 31m

$1,347

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Fri 10/3

6:00 pm-9:14 pm

2 stops38h 14m

Washington, D.C. Reagan-National

Fri 10/10

9:59 am-4:50 pm

2 stops67h 51m

$1,357

HanoiWashington, D.C.

HAN - DCA

HANDCA

Hanoi Noibai

Tue 11/11

12:25 am-7:45 pm

2 stops31h 20m

Washington, D.C. Reagan-National

Wed 12/3

8:40 pm-11:05 pm

2 stops38h 25m

$1,759

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 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 28h 47m. United Airlines provides one of the quickest options available for as low as $956. The distance between Vietnam and Washington, D.C. Reagan-National Airport is about 8990 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.
What is the cheapest month to book a flight from Vietnam to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Vietnam to Washington, D.C. Reagan-National Airport (average of $278). Flying from Vietnam to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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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$596+ 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 11/23. 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

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3. Compare prices and book

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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 September 15, 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 September 15, 2025.

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?

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

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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 September 15, 2025.