$350 Find Cheap Flights from Washington, D.C. to Vietnam

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Vietnam departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Vietnam

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Washington, D.C. to Vietnam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Vietnam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Vietnam

Sun, Nov 23 - Sun, Dec 7
Korean Air Logo
11:50 am - 11:10 amIAD-HAN
35h 20m1 stop
Korean Air Logo
11:05 pm - 9:50 amHAN-IAD
22h 45m1 stop
$825Korean Air
Find Deal
Wed, Nov 26 - Sun, Dec 7
Korean Air Logo
11:50 am - 9:45 pmIAD-HAN
21h 55m1 stop
Korean Air Logo
12:20 pm - 9:50 amHAN-IAD
33h 30m1 stop
$855Korean Air
Find Deal
Thu, Dec 4 - Tue, Dec 30
Turkish Airlines Logo
9:15 pm - 4:55 amIAD-SGN
43h 40m1 stop
Turkish Airlines Logo
6:35 am - 7:20 pmSGN-IAD
24h 45m1 stop
$899Turkish Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 26
United Airlines Logo
10:05 pm - 10:55 pmIAD-SGN
36h 50m2 stops
United Airlines Logo
11:05 pm - 9:10 amSGN-IAD
22h 05m1 stop
$900United Airlines
Find Deal
Tue, Apr 21 - Wed, Jun 17
ANA Logo
12:10 pm - 9:55 pmIAD-SGN
22h 45m1 stop
ANA Logo
11:15 pm - 10:05 amSGN-IAD
21h 50m1 stop
$904ANA
Find Deal
Thu, Jan 8 - Thu, Jan 29
Turkish Airlines Logo
9:15 pm - 4:55 amIAD-SGN
43h 40m1 stop
Turkish Airlines Logo
6:35 am - 11:45 amSGN-IAD
41h 10m1 stop
$906Turkish Airlines
Find Deal
Mon, Mar 16 - Mon, Apr 13
United Airlines Logo
12:15 pm - 9:50 pmIAD-SGN
22h 35m1 stop
United Airlines Logo
7:00 am - 9:05 pmSGN-IAD
25h 05m2 stops
$909United Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 8
ANA Logo
8:15 am - 11:05 pmIAD-HAN
50h 50m2 stops
ANA Logo
12:25 am - 10:10 amHAN-IAD
20h 45m1 stop
$962ANA
Find Deal
Mon, Mar 16 - Mon, Apr 13
Emirates Logo
5:00 pm - 9:30 pmDCA-DAD
41h 30m3 stops
Emirates Logo
11:30 pm - 10:16 pmDAD-DCA
33h 46m3 stops
$1,538Emirates
Find Deal
Fri, Mar 20 - Mon, Apr 13
Emirates Logo
5:00 pm - 9:30 pmDCA-DAD
41h 30m3 stops
Emirates Logo
11:30 pm - 10:16 pmDAD-DCA
33h 46m3 stops
$1,588Emirates
Find Deal
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Vietnam flights

Get data-powered insights and trends into flights from Washington, D.C. to Vietnam to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. to Vietnam?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Vietnam, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Vietnam is September, when tickets cost $964 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,507 and $1,489 respectively.

What’s the cheapest day of the week to fly from Washington, D.C. to Vietnam?

The average price of all round-trip flights from Washington, D.C. to Vietnam clicked on KAYAK for each day over the last 12 months.

For Washington, D.C. to Vietnam, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Vietnam back to Washington, D.C., the best deals are generally found on Thursday, with Friday being the most expensive.

How far in advance should I book a flight from Washington, D.C. to Vietnam?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Vietnam, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Vietnam, you should book around 2 weeks before departure, which saves you about 12% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonAugust
Cheapest flight$350
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from Baltimore to Ho Chi Minh City

FAQs - booking Vietnam flights

  • Are there any direct flights from Washington, D.C. to Vietnam?

    Given the long distance, there are no direct flights along this route. However, you can find several flights with only one layover if you start your trip from Washington Dulles (IAD). From here, you can fly with Qatar Airways featuring a stop in Doha (DOH), or on Korean Air with a layover in Seoul (ICN). If you plan to fly into Da Nang (DAD), or out of Regan National Airport (DCA), your flight will likely have an additional stop along the way.

  • Do I need a visa to fly from Washington, D.C. to Vietnam?

    U.S. citizens visiting Vietnam must secure a valid visa, available as an eVisa for up to 90 days, either single or multiple entry. Ensure your U.S. passport remains valid for six months, with two blank pages. You can apply and pay for the visa online. The processing time typically takes between 3 to 7 business days.

  • Which airport should I fly into if I want to visit Ha Long Bay?

    The towering limestone cliffs of Ha Long Bay are one of the most popular destinations in the country. Fly into Noi Bai Airport (Hanoi) from Washington, D.C. to visit Ha Long Bay. From Hanoi, you can easily access Ha Long Bay by road or a short additional flight. This airport also has some of the most direct and affordable flights from Washington Dulles Airport (IAD).

  • What is the most environmentally friendly way to fly from Washington, D.C. to Vietnam?

    Choosing a flight with the least number of stops is the easiest way to minimize your carbon footprint when flying. When you choose Korean Air for this flight, you are not only on the most direct flight but also helping further their Green SkyPass Project, which addresses environmental issues by planting forests to achieve carbon neutrality.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington, D.C. to Vietnam is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington, D.C. to Vietnam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington, D.C. to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Vietnam?

    The cheapest time of day to fly to Vietnam is generally at night, when round-trip flights cost $1,220 on average. Morning departures are around 10% cheaper than evening flights, on average. The most expensive time of day to fly to Vietnam is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,525.

Top tips for finding cheap flights to Vietnam

  • From Washington, D.C., you can depart for Vietnam via Dulles International Airport (IAD) or Reagan National Airport (DCA). Both offer convenient connections, with Dulles often serving more international flights, while Reagan provides proximity and ease for domestic travelers.
  • Vietnam has three primary international airports: Hanoi Noi Bai (HAN) in the north, Da Nang (DAD) centrally located, and Ho Chi Minh City (SGN) in the south. Choose your arrival based on your travel itinerary and where you plan to spend most of your trip.
  • Given a flight duration of over 20 hours, it might be a good idea to upgrade your ticket for more comfort onboard and added convenience at the airport. Utilize Cathay Pacific's Upgrade Bid feature to set your desired price for moving up to the next class, allowing you to enjoy added travel luxuries at a discounted rate.
  • Some flights along this route might have a different airport for the arrival and destination. For example, your flight could leave Dulles Airport (IAD) but return to Regan National Airport (DCA). These flights will be highlighted within the KAYAK search results.
  • Many flights bound for Da Nang feature a self-transfer, meaning that during your layover, you’ll need to collect your bags, check in for the next flight, and pass through security again. Ensure you have enough time to do all of this and make it to your next flight on time.

Reviews of the top 5 airlines serving from Washington, D.C. to Vietnam

 
Need help choosing which airline to fly with from Washington, D.C. to Vietnam? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1155 reviews
8.5Boarding
8.3Comfort
8.7Crew
8.1Food
8.2Entertainment
Airline reviews

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

10.0 ExcellentAnonymous, Oct 2025IAD - ICN
Read more Korean Air reviews

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

This flight was a superior flight in all regards. Extremely pleasant experience.

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Not many people, so you can lay down on two seats

The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

Checking in via an alliance partner, even a foreign one should get TSA Precheck printed on your boarding pass. The paper copy issued by ANA didn’t show it. I couldn’t get my digital copy due to some technical issue arising because I checked in with ANA. The kiosks at SFO similarly threw an error. The only way I could have gotten a new copy of my boarding pass was from the UA counter and lines were nearly as long as TSA so I bit the bullet and went through the regular TSA line. If UA wants my business, they need to improve that process.

Suite lounge in Honolulu is very exclusive and boarding from the lounge into the plane is unique. First suites were huge and comfortable. Japanese meal is like a high end omakase meal. All the staff were very kind and provided sophisticated service. Fast Track upon landing was appreciated but not needed this time because immigration was so empty and easy.

I like the service very much. The food just okay but maybe different culture who like, who don't like.

Everything was excellent. Only the fish entree in the Japanese meal was overcooked and quite dry but everything else was great

Warm the bread. Movies: better choices to include Chinese movies options or some of the older winners of flim festival

Almost 6 hours of delay with over 12 gate changes. Flight was supposed to depart around 6 and instead depart after 12am. No accommodations were offered than some snacks closer to midnight when the crew was planning to throw away some snacks.

The crew was very nice and polite. They made sure everybody got their meal and drinks. Even the economy class had a very adequate leg room for someone that is over 6 foot tall.

Purchased WiFi was slow to non functional. Staff was not personable or friendly. Seats were cramped. Boarding took long but I expected that.

Luckily I just tried to sleep. But the entertainment system was awkward to operate. I hate all this stuff with apps and adding it to your phone and all. It is a nuisance. I would prefer a good magazine or newspaper in the pocket in front of me or available.

One of the best 14 hour flights I've ever had. Crew was friendly throughout which can be difficult on longer flights. The crew being kind and respectful is very important for me. Plane felt clean and I was able to get some well needed uninterrupted sleep. I put them slightly above Cathay Pacific as far as cleanliness the only down side was a lack of entertainment selections, but hey I am an American taking a trip on a Japanese airline so I cannot complain. Thank you ANA and the Tokyo airport all very friendly. Will see you soon

I lost my lock from my luggage, I don’t know someone took something from my bag.

Except for the uncleaned tray, and the delay in serving food for our section (which may have been due to the location of our row) everything else was good. The crew were very professional and responded to our requests promptly throughout the flight. We as a family were not disappointed by Emirates.

It was great, a little more leg room would have been better particularly since we were in premium economy

The boarding process was smooth and the stewardesses were nice. Some delays with drinks at the end of the flight, but no issues.

Thay crew was so nice.Air hostess il ham was so nice.my mom was little scray with airplan turbulence she help us alot.

Seat 💺 was all the way on last row. Food was okay .

Charged for internet that never really worked. The food selection was just ok.

Boarding, seats, entertainment and service were all great. Food was great except for the fact that there were too many sweet items.

The entire crew went above and beyond. This was our first flight with our 3 month old, and they were accommodating and friendly. The crew is attentive and marks a HIGE difference to the regular runs with Avianca and LATAM.

Business class on this plane was adequate, service, amenities, swag, and crew was amazing!

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

We were given vouchers we couldn’t use with a 5.5 hour delay

I fly UAL 7-8 times per year. This flight was not up to snuff because it boarded very late "due to unexpected delays in restocking the plane" and yet Flight Aware showed the plane had landed some 10 hours earlier--so I think they could have planned accordingly. The FA's were nice but harried. The video system had to be rebooted 3-4 times. The food service was rather abrupt; they forgot my row and when I asked for my meal, they brought it with some impatience. Overall, the flight was fine, but the little details made it feel somewhat mundane and hurried.

My flight was canceled 1 minute before boarding. The customer service was owful, no one could tell us what was going happened. I spent 30hrs instead of 15 from Washington DC to Brussels. No apologie or help

Boeing 777 is a bad choice for a such a long flight.

The staff at IST airport could have been more helpful. Too much wasted time and the plane from IST to KHI was just horrible. The plane was not clean and smelled bad!

This is my 2nd time with the Turkish airline. Would definitely recommend. In stability we connected to Indiago would not recommend, very cramped seating. No inflight entertainment..service was inferior.

I wouldn't know what the flight was like. AI canceled my flight reservation!! There's no way to speak to an actual human to fix the issue! NEVER AGAIN! ALWAYS BOOK YOUR FLIGHT DIRECTLY WITH THE AIRLINE NEVER GO THROUGH KAYAK OR JUSTFLY.COM!!

Paying extra for premium seats was wasted. Turkish Airlines takes 2 seats for bassinet. The lady next to me had a baby with bassinet Bassinet was in front of my seat

Rude staff. I would avoid using the word racist but definitely partially or discriminatory. My 72 yrs old mother who is also disabled was traveling on this flight. She was the second passenger boarded to the plane. The First elderly couple ahead of my mother were allowed to use the airplane bathroom but my mother was denied entry stating it was for safety reasons. My mother objected the the couple in front of her were allowed but hostess still stated that due to the flight safety reasons she can’t use it. Even my mother explained that he is using blood pressure medication that’s why she have to use the restroom frequently but the crew continued arguing her. At one point the Mae attendent even suggested that if that’s the case my mother can urinate in her seat. The level of disrespect against an elderly lady is beyond my comprehension. This matter will be taken to the social media to shame the employees involved.

my experience was great with Turkish airlines . the problem i encountered was with kayak booking. When I booked . it showed that im allowed a bag . and when I got to the airport, i had to pay $165 for one bag.

Not up to Business Class standards. Two of the three toilets were out of order. The hostesses were aware and didn’t show any responsible act to do something. Food quality was not what we expect from Turkish hospitality. Overall we were not impressed and disappointed.

During mid flight, try to get a flight attendant to help I couldn’t find one Otherwise, everything was perfect

Everything you need to know for your flight from Washington, D.C. to Vietnam

Cabin class types available on flights to Vietnam

Cabin classes available on flights to Vietnam. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.