$549+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SGN
Jul 22 — Jul 291
Round-trip
1 adult, Economy
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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 June 22, 2026.
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 June 22, 2026.
This oojo deal was found by Cheapflights users on 6/21. 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.
Wed 11/48:05 pm
IAD
- HAN
1 stop28h 15m
Qatar Airways
Wed 11/187:10 pm
HAN
- IAD
1 stop32h 45m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$1,070
This oojo deal was found by Cheapflights users on 6/21. 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 11/110:30 am
IAD
- HAN
1 stop32h 25m
Qatar Airways
Thu 11/127:10 pm
HAN
- IAD
1 stop25h 00m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$1,073
This oojo deal was found by Cheapflights users on 6/18. 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.
Wed 10/282:30 pm
IAD
- HAN
1 stop29h 35m
Turkish Airlines
Thu 11/1210:55 pm
HAN
- IAD
1 stop24h 50m
Turkish Airlines
Deal found 6/18![Turkish Airlines logo]()
$1,094
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 pm
IAD
- HAN
1 stop23h 15m
Qatar Airways
Tue 9/297:30 pm
HAN
- IAD
1 stop31h 10m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$1,097
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:05 pm
IAD
- HAN
1 stop22h 50m
Qatar Airways
Wed 11/117:10 pm
HAN
- IAD
1 stop32h 45m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$1,103
This FlightHub deal was found by Cheapflights users on 6/21. 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 9/157:15 pm
BWI
- SGN
2 stops28h 00m
Multiple Airlines
Wed 10/146:05 pm
SGN
- BWI
2 stops46h 15m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,113
This FlightHub deal was found by Cheapflights users on 6/17. 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.
Wed 9/97:15 pm
BWI
- SGN
2 stops34h 40m
Multiple Airlines
Mon 10/1211:30 am
SGN
- BWI
2 stops28h 50m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,114
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Mon 9/71:15 pm
IAD
- HAN
1 stop21h 20m
Korean Air
Mon 9/2812:05 pm
HAN
- IAD
1 stop34h 00m
Korean Air
Deal found 6/21![Korean Air logo]()
$1,123
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Sun 9/67:15 pm
IAD
- HAN
2 stops39h 20m
Korean Air
Wed 9/3011:10 pm
HAN
- IAD
1 stop22h 55m
Korean Air
Deal found 6/21![Korean Air logo]()
$1,129
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Thu 10/226:12 pm
BWI
- SGN
2 stops29h 03m
Multiple Airlines
Thu 11/1211:40 am
SGN
- BWI
2 stops30h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,133
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am
IAD
- HAN
2 stops41h 25m
Delta
Thu 9/1712:05 pm
HAN
- IAD
2 stops22h 18m
Delta
Deal found 6/19![Delta logo]()
$1,134
This FlightHub deal was found by Cheapflights users on 6/21. 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 8/257:15 pm
BWI
- SGN
2 stops28h 00m
Multiple Airlines
Tue 9/811:30 am
SGN
- BWI
2 stops30h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,137
Best flights from Washington, D.C. to VietnamDiscover carefully curated flight deals from Washington, D.C. to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
Discover carefully curated flight deals from Washington, D.C. to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Wed 9/91:15 pm
IAD
- HAN
1 stop21h 20m
Korean Air
Sun 9/2711:10 pm
HAN
- IAD
1 stop22h 55m
Korean Air
Deal found 6/21![Korean Air logo]()
$1,123
This oojo deal was found by Cheapflights users on 6/20. 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.
Sat 8/156:07 pm
BWI
- DAD
2 stops36h 28m
STARLUX Airlines
Tue 9/156:45 pm
DAD
- BWI
2 stops46h 45m
STARLUX Airlines
Deal found 6/20![STARLUX Airlines logo]()
$1,167
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:15 pm
IAD
- HAN
1 stop34h 20m
Delta
Tue 10/612:05 pm
HAN
- IAD
2 stops39h 31m
Delta
Deal found 6/18![Delta logo]()
$1,180
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:15 pm
IAD
- SGN
1 stop22h 40m
United Airlines
Mon 10/1911:15 pm
SGN
- IAD
1 stop27h 20m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,207
This Turkish Airlines deal was found by Cheapflights users on 6/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 pm
IAD
- SGN
1 stop31h 25m
Turkish Airlines
Mon 10/1210:05 pm
SGN
- IAD
1 stop24h 30m
Turkish Airlines
Deal found 6/19![Turkish Airlines logo]()
$1,219
This FlightHub deal was found by Cheapflights users on 6/18. 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 9/159:30 am
DCA
- HAN
2 stops44h 20m
Multiple Airlines
Tue 10/611:10 am
HAN
- DCA
2 stops43h 50m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,229
This SWISS deal was found by Cheapflights users on 6/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:05 pm
IAD
- SGN
3 stops49h 50m
SWISS
Tue 9/2912:20 pm
SGN
- IAD
2 stops38h 05m
SWISS
Deal found 6/21![SWISS logo]()
$1,315
This Emirates deal was found by Cheapflights users on 6/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:55 am
IAD
- DAD
2 stops47h 55m
Emirates
Wed 8/511:30 pm
DAD
- IAD
2 stops44h 10m
Emirates
Deal found 6/19![Emirates logo]()
$1,597
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:59 am
DCA
- DAD
2 stops27h 51m
Air Canada
Sun 8/911:10 pm
DAD
- DCA
2 stops44h 42m
Air Canada
Deal found 6/18![Air Canada logo]()
$1,765
This Korean Air deal was found by Cheapflights users on 6/18. 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 9/241:15 pm
IAD
- HAN
1 stop34h 20m
Korean Air
Sun 10/412:05 pm
HAN
- IAD
1 stop34h 00m
Korean Air
Deal found 6/18![Korean Air logo]()
$1,123
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:10 am
IAD
- HAN
2 stops27h 25m
Delta
Sun 10/411:10 pm
HAN
- IAD
2 stops26h 08m
Delta
Deal found 6/18![Delta logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:57 pm
DCA
- SGN
3 stops45h 58m
United Airlines
Mon 9/1411:15 pm
SGN
- DCA
2 stops31h 54m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,222
This Turkish Airlines deal was found by Cheapflights users on 6/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 pm
IAD
- HAN
1 stop30h 55m
Turkish Airlines
Mon 9/1410:55 pm
HAN
- IAD
1 stop31h 55m
Turkish Airlines
Deal found 6/21![Turkish Airlines logo]()
$1,233
This Korean Air deal was found by Cheapflights users on 6/17. 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.
Tue 9/298:00 am
IAD
- HAN
2 stops26h 35m
Korean Air
Mon 10/1912:05 pm
HAN
- IAD
1 stop34h 00m
Korean Air
Deal found 6/17![Korean Air logo]()
$1,129
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Sun 10/181:15 pm
IAD
- SGN
1 stop23h 00m
Multiple Airlines
Wed 11/1112:10 am
SGN
- IAD
1 stop21h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,267
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:10 am
IAD
- HAN
2 stops27h 25m
Delta
Sun 9/2011:10 pm
HAN
- IAD
1 stop22h 55m
Delta
Deal found 6/20![Delta logo]()
$1,224
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
IAD
- SGN
2 stops28h 05m
United Airlines
Thu 10/296:00 am
SGN
- IAD
3 stops29h 32m
United Airlines
Deal found 6/21![United Airlines logo]()
$1,230
This Korean Air deal was found by Cheapflights users on 6/20. 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.
Sun 9/61:15 pm
IAD
- HAN
1 stop34h 20m
Korean Air
Sun 9/2011:10 pm
HAN
- IAD
1 stop22h 55m
Korean Air
Deal found 6/20![Korean Air logo]()
$1,173
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:39 am
DCA
- SGN
2 stops25h 31m
Delta
Fri 8/287:30 am
SGN
- DCA
2 stops25h 15m
Delta
Deal found 6/21![Delta logo]()
$1,228
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:59 pm
DCA
- SGN
2 stops44h 16m
United Airlines
Mon 9/2811:15 pm
SGN
- DCA
2 stops30h 54m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,232
This Korean Air deal was found by Cheapflights users on 6/20. 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 9/106:10 am
DCA
- SGN
2 stops30h 05m
Korean Air
Mon 9/1411:45 pm
SGN
- DCA
2 stops25h 25m
Korean Air
Deal found 6/20![Korean Air logo]()
$1,194
This EVA Air deal was found by Cheapflights users on 6/21. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:07 pm
BWI
- DAD
2 stops30h 28m
Multiple Airlines
Tue 9/1512:55 pm
DAD
- BWI
3 stops33h 50m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,492
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:15 am
IAD
- SGN
2 stops26h 50m
United Airlines
Mon 8/247:00 am
SGN
- IAD
2 stops28h 57m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,238
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:59 am
DCA
- SGN
2 stops28h 11m
Delta
Thu 8/2011:45 pm
SGN
- DCA
2 stops28h 43m
Delta
Deal found 6/20![Delta logo]()
$1,278
This Korean Air deal was found by Cheapflights users on 6/19. 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.
Tue 11/1011:50 am
IAD
- SGN
1 stop22h 35m
Korean Air
Tue 11/172:05 pm
SGN
- IAD
1 stop31h 45m
Korean Air
Deal found 6/19![Korean Air logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:30 am
DCA
- SGN
2 stops28h 45m
United Airlines
Thu 10/157:00 am
SGN
- DCA
3 stops35h 49m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,239
This EVA Air deal was found by Cheapflights users on 6/21. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 pm
BWI
- SGN
2 stops26h 45m
Multiple Airlines
Tue 9/153:45 pm
SGN
- BWI
3 stops31h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,507
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:00 am
DCA
- SGN
2 stops27h 10m
Delta
Sat 8/2211:45 pm
SGN
- DCA
2 stops24h 00m
Delta
Deal found 6/21![Delta logo]()
$1,318
This Korean Air deal was found by Cheapflights users on 6/19. 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.
Mon 9/146:00 am
IAD
- SGN
2 stops29h 10m
Korean Air
Wed 10/141:55 pm
SGN
- IAD
1 stop32h 10m
Korean Air
Deal found 6/19![Korean Air logo]()
$1,212
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:10 pm
DCA
- SGN
3 stops39h 55m
United Airlines
Sun 9/2711:15 pm
SGN
- DCA
2 stops26h 08m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,241
Last-minute flights from Washington, D.C. to VietnamDiscover last-minute flight deals from Washington, D.C. to Vietnam. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Vietnam. Data last updated June 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:23 pm
IAD
- SGN
3 stops36h 42m
United Airlines
Sun 7/1211:15 pm
SGN
- IAD
2 stops36h 40m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:20 pm
IAD
- SGN
2 stops36h 45m
United Airlines
Tue 7/1411:15 pm
SGN
- IAD
2 stops28h 15m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,237
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:33 am
IAD
- SGN
2 stops30h 42m
United Airlines
Mon 9/2811:15 pm
SGN
- IAD
1 stop21h 50m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,215
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:23 pm
IAD
- SGN
3 stops36h 42m
United Airlines
Wed 9/3011:15 pm
SGN
- IAD
1 stop21h 50m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
DCA
- SGN
2 stops31h 15m
United Airlines
Mon 9/2811:15 pm
SGN
- DCA
3 stops51h 58m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,225
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Wed 7/812:15 pm
IAD
- SGN
1 stop22h 40m
ANA
Mon 9/2811:15 pm
SGN
- IAD
1 stop21h 50m
ANA
Deal found 6/19![ANA logo]()
$1,230
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:30 am
DCA
- SGN
2 stops27h 45m
United Airlines
Thu 10/157:00 am
SGN
- DCA
2 stops25h 14m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:15 am
IAD
- SGN
2 stops26h 50m
United Airlines
Wed 8/197:00 am
SGN
- IAD
3 stops39h 24m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,236
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:20 pm
IAD
- SGN
2 stops36h 45m
United Airlines
Mon 8/317:00 am
SGN
- IAD
2 stops25h 22m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,223
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:00 am
IAD
- SGN
2 stops28h 05m
United Airlines
Tue 8/257:00 am
SGN
- IAD
2 stops34h 53m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,232
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:10 am
IAD
- SGN
2 stops25h 55m
United Airlines
Thu 8/277:00 am
SGN
- IAD
2 stops34h 53m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,229
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:00 am
IAD
- SGN
2 stops28h 05m
United Airlines
Tue 9/111:15 pm
SGN
- IAD
1 stop21h 50m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,227
One-way flights from Washington, D.C. to VietnamSearch for one-way flight options from Washington, D.C. to Vietnam. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
Search for one-way flight options from Washington, D.C. to Vietnam. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:20 pm
IAD
- HAN
2 stops59h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:59 am
IAD
- DAD
3 stops51h 26m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$557
This FlightHub deal was found by Cheapflights users on 6/21. 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 8/186:07 pm
BWI
- SGN
2 stops29h 08m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$580
This FlightHub deal was found by Cheapflights users on 6/18. 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.
Thu 9/177:50 am
BWI
- SGN
2 stops39h 25m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$595
This Mytrip deal was found by Cheapflights users on 6/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:10 pm
IAD
- DAD
3 stops33h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$595
This Orbitz deal was found by Cheapflights users on 6/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:14 pm
IAD
- HAN
2 stops41h 51m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$600
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Mon 8/106:07 pm
BWI
- SGN
2 stops35h 48m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$604
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:05 pm
IAD
- HAN
1 stop28h 15m
Qatar Airways
Deal found 6/21![Qatar Airways logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:10 pm
IAD
- DAD
2 stops33h 55m
Etihad Airways
Deal found 6/21![Etihad Airways logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:10 pm
IAD
- DAD
2 stops57h 55m
Etihad Airways
Deal found 6/21![Etihad Airways logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:45 am
BWI
- SGN
3 stops44h 40m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$615
This Trip.com deal was found by Cheapflights users on 6/20. 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.
Thu 10/19:00 pm
IAD
- DAD
2 stops35h 45m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$621
Find 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 June 22, 2026.
Round-trip from | $1,073 (oojo) |
|---|---|
One-way from | $549 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,467 |
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 June 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Wed 9/9
1:15 pm-9:35 pm
1 stop21h 20m
Hanoi Noibai
Sun 9/27
11:10 pm-11:05 am
1 stop22h 55m
$1,123
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Thu 9/24
1:15 pm-10:35 am
1 stop34h 20m
Hanoi Noibai
Sun 10/4
12:05 pm-11:05 am
1 stop34h 00m
$1,123
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 9/29
8:00 am-9:35 pm
2 stops26h 35m
Hanoi Noibai
Mon 10/19
12:05 pm-11:05 am
1 stop34h 00m
$1,129
BaltimoreDa Nang
BWI - DAD
BWIDAD
Baltimore/Washington
Sat 8/15
6:07 pm-5:35 pm
2 stops36h 28m
Da Nang
Tue 9/15
6:45 pm-6:30 am
2 stops46h 45m
$1,167
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Sun 9/6
1:15 pm-10:35 am
1 stop34h 20m
Hanoi Noibai
Sun 9/20
11:10 pm-11:05 am
1 stop22h 55m
$1,173
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 9/15
1:15 pm-10:35 am
1 stop34h 20m
Hanoi Noibai
Tue 10/6
12:05 pm-4:36 pm
2 stops39h 31m
$1,180
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Thu 9/24
7:10 am-9:35 pm
2 stops27h 25m
Hanoi Noibai
Sun 10/4
11:10 pm-2:18 pm
2 stops26h 08m
$1,184
Washington, D.C.Ho Chi Minh City
DCA - SGN
DCASGN
Washington, D.C. Reagan-National
Thu 9/10
6:10 am-11:15 pm
2 stops30h 05m
Ho Chi Minh City
Mon 9/14
11:45 pm-2:10 pm
2 stops25h 25m
$1,194
Washington, D.C.Ho Chi Minh City
IAD - SGN
IADSGN
Washington, D.C. Dulles Intl
Tue 11/10
11:50 am-10:25 pm
1 stop22h 35m
Ho Chi Minh City
Tue 11/17
2:05 pm-9:50 am
1 stop31h 45m
$1,204
Washington, D.C.Ho Chi Minh City
IAD - SGN
IADSGN
Washington, D.C. Dulles Intl
Tue 10/6
12:15 pm-9:55 pm
1 stop22h 40m
Ho Chi Minh City
Mon 10/19
11:15 pm-3:35 pm
1 stop27h 20m
$1,207
Showing 1-10 of 60 resultsSorted by cheapest first
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.
IAD-HAN
IAD-DAD
BWI-SGN
BWI-DAD
IAD-SGN
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
WAS-VN0
IAD-HAN
IAD-DAD
BWI-SGN
BWI-DAD
What is the cheapest month to book a flight from Washington, D.C. to Vietnam?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Vietnam (average of $699). Flying from Washington, D.C. to Vietnam in April is currently the most expensive (average of $1,730). 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.
How far ahead should I book a flight from Washington, D.C. to Vietnam?
The price you pay for your flight from Washington, D.C. to Vietnam may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 June 22, 2026.
Read reviews from past customers who have flown EVA Air,Korean Air, andANA 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.
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Food
8.1
Crew
8.7
Boarding
8.4
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
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.
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Alternative routes for Washington, D.C. to Vietnam
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Complete your trip
Complete your trip to Vietnam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington, D.C. to Vietnam by cabin class
Find flights from Washington, D.C. to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Vietnam flights
Browse other Washington, D.C. and Vietnam flight options. Last updated on June 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Vietnam flights
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Consider these flights traveling to Vietnam regions.
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 June 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$443 | Average$920 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$512 | Average$1,865 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$532 | Average$1,252 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$535 | Average$1,341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$747 | Average$1,101 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$818 | Average$1,175 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$839 | Average$1,145 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$856 | Average$1,393 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$877 | Average$1,058 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$877 | Average$1,187 | FlexibilityNo cancel fee | On-time71% |