$419+ Cheap flights from Washington, D.C. (WAS) 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SGN
Aug 5 — Aug 121
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Vietnam
Keep the following information in mind while searching for Washington, D.C. to Vietnam flight deals. Data was last updated July 31, 2025.
Round-trip from | $782 (FlightHub) |
|---|---|
One-way from | $419 (oojo) |
Popular in | December |
Cheapest in | April |
Average price | $1,495 |
Find flight deals from Washington, D.C. to Vietnam
Cheapest flights from Washington, D.C. to VietnamExplore the most affordable flight options available from Washington, D.C. to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
Explore the most affordable flight options available from Washington, D.C. to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:00 pmIAD - HAN
1 stop25h 55mAir China
Thu 10/21:25 pmHAN - IAD
1 stop41h 05mAir China
Deal found 7/30![Air China logo]()
$782
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:45 amBWI - HAN
2 stops29h 15mMultiple Airlines
Wed 9/101:25 pmHAN - BWI
2 stops28h 36mMultiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$794
This lol.travel deal was found by Cheapflights users on 7/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:30 pmIAD - HAN
2 stops28h 10mKorean Air
Wed 8/2712:00 pmHAN - IAD
2 stops46h 21mKorean Air
Deal found 7/29![Korean Air logo]()
$801
This CrystalTravel deal was found by Cheapflights users on 7/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:50 amIAD - HAN
1 stop22h 10mMultiple Airlines
Tue 11/1811:00 pmHAN - IAD
2 stops32h 11mMultiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$831
This Korean Air deal was found by Cheapflights users on 7/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:35 amDCA - HAN
2 stops26h 00mKorean Air
Wed 9/312:00 pmHAN - DCA
2 stops38h 07mKorean Air
Deal found 7/29![Korean Air logo]()
$832
This oojo deal was found by Cheapflights users on 7/30. 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.
Mon 9/89:40 pmIAD - SGN
1 stop31h 30mTurkish Airlines
Sun 10/510:05 pmSGN - IAD
1 stop24h 40mTurkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$897
This CrystalTravel deal was found by Cheapflights users on 7/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:25 amDCA - SGN
2 stops27h 50mKorean Air
Sun 9/2811:45 pmSGN - DCA
2 stops26h 18mKorean Air
Deal found 7/30![Korean Air logo]()
$912
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amBWI - SGN
2 stops42h 20mMultiple Airlines
Sat 9/2012:05 pmSGN - BWI
2 stops29h 55mMultiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$913
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:15 pmIAD - SGN
1 stop22h 40mANA
Mon 12/1511:05 pmSGN - IAD
1 stop28h 35mANA
Deal found 7/31![ANA logo]()
$919
This oojo deal was found by Cheapflights users on 7/29. 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.
Sun 8/316:09 pmIAD - SGN
2 stops28h 31mChina Airlines
Sat 9/2010:50 amSGN - IAD
2 stops31h 43mChina Airlines
Deal found 7/29![China Airlines logo]()
$929
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:30 amDCA - SGN
2 stops28h 45mANA
Tue 9/3011:15 pmSGN - DCA
2 stops26h 01mANA
Deal found 7/31![ANA logo]()
$935
This oojo deal was found by Cheapflights users on 7/30. 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.
Mon 9/151:30 pmIAD - HAN
1 stop38h 55mTurkish Airlines
Fri 10/311:05 pmHAN - IAD
1 stop23h 40mTurkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$943
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Vietnam that are best for you.
Fly from
Washington, D.C.
Fly to
Vietnam
Route
Depart
Return
Price
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 9/16
11:00 pm-11:55 am
1 stop25h 55m
Hanoi Noibai
Thu 10/2
1:25 pm-7:30 pm
1 stop41h 05m
$782
BaltimoreHanoi
BWI - HAN
BWIHAN
Baltimore/Washington
Sun 8/31
5:45 am-10:00 pm
2 stops29h 15m
Hanoi Noibai
Wed 9/10
1:25 pm-7:01 am
2 stops28h 36m
$794
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Thu 8/14
7:30 pm-10:40 am
2 stops28h 10m
Hanoi Noibai
Wed 8/27
12:00 pm-11:21 pm
2 stops46h 21m
$801
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 11/4
11:50 am-10:00 pm
1 stop22h 10m
Hanoi Noibai
Tue 11/18
11:00 pm-7:11 pm
2 stops32h 11m
$831
Washington, D.C.Hanoi
DCA - HAN
DCAHAN
Washington, D.C. Reagan-National
Thu 8/28
8:35 am-9:35 pm
2 stops26h 00m
Hanoi Noibai
Wed 9/3
12:00 pm-3:07 pm
2 stops38h 07m
$832
Washington, D.C.Ho Chi Minh City
IAD - SGN
IADSGN
Washington, D.C. Dulles Intl
Mon 9/8
9:40 pm-4:10 pm
1 stop31h 30m
Ho Chi Minh City
Sun 10/5
10:05 pm-11:45 am
1 stop24h 40m
$897
Washington, D.C.Ho Chi Minh City
DCA - SGN
DCASGN
Washington, D.C. Reagan-National
Wed 9/17
8:25 am-11:15 pm
2 stops27h 50m
Ho Chi Minh City
Sun 9/28
11:45 pm-3:03 pm
2 stops26h 18m
$912
BaltimoreHo Chi Minh City
BWI - SGN
BWISGN
Baltimore/Washington
Sat 9/13
5:45 am-11:05 am
2 stops42h 20m
Ho Chi Minh City
Sat 9/20
12:05 pm-7:00 am
2 stops29h 55m
$913
Washington, D.C.Ho Chi Minh City
IAD - SGN
IADSGN
Washington, D.C. Dulles Intl
Mon 9/15
12:15 pm-9:55 pm
1 stop22h 40m
Ho Chi Minh City
Mon 12/15
11:05 pm-3:40 pm
1 stop28h 35m
$919
Washington, D.C.Ho Chi Minh City
IAD - SGN
IADSGN
Washington, D.C. Dulles Intl
Sun 8/31
6:09 pm-9:40 am
2 stops28h 31m
Ho Chi Minh City
Sat 9/20
10:50 am-7:33 am
2 stops31h 43m
$929
Showing 1-10 of 60 results
Best time to book a flight from Washington, D.C. to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Washington, D.C. 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. to Vietnam
What is the cheapest month to book a flight from Washington, D.C. to Vietnam?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Vietnam (average of $914). Flying from Washington, D.C. to Vietnam in June is currently the most expensive (average of $1,430). 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 WAS to VN?
Find hourly flight availability from Washington, D.C. 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 July 31, 2025.
When flying from Washington, D.C. to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 July 31, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and ANA from Washington, D.C. to Vietnam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Overall
8.4
Comfort
8.3
Crew
8.6
Boarding
8.4
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDale,May 2025
TPE - SFO
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Washington, D.C. to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Washington, D.C. to Vietnam
Discover the top 10 airlines that operate flights from Washington, D.C. 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 July 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$785 | Average$974 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$859 | Average$1,083 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$884 | Average$1,695 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$893 | Average$1,388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$904 | Average$1,300 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$928 | Average$1,270 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$949 | Average$1,421 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$950 | Average$1,253 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$965 | Average$1,625 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,135 | Average$1,520 | FlexibilityNo cancel fee | On-time74% |