$286+ Cheap flights from Washington to Vietnam
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Washington to Vietnam with Cheapflights
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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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Cheapest flights from Washington to VietnamExplore the most affordable flight options available from Washington to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Washington to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This oojo deal was found by Cheapflights users on 9/5. 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.
Tue 10/2010:15 am -
1 stop33h 40m
Wed 10/2811:45 am -
1 stop34h 20m
Deal found 9/5![Singapore Airlines logo]()
$671
This oojo deal was found by Cheapflights users on 9/2. 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 10/1110:15 am -
1 stop41h 15m
Fri 10/1611:55 am -
1 stop34h 50m
Deal found 9/2![Singapore Airlines logo]()
$730
This Justfly.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/2212:10 am -
1 stop32h 40m
Thu 11/1912:10 am -
1 stop28h 45m
Deal found 9/4![Asiana Airlines logo]()
$740
This FlightHub deal was found by Cheapflights users on 9/8. 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.
Sun 11/812:10 am -
1 stop19h 50m
Sun 1/1712:10 pm -
1 stop16h 45m
Deal found 9/8![Asiana Airlines logo]()
$748
This oojo deal was found by Cheapflights users on 9/3. 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.
Tue 11/178:40 am -
1 stop23h 20m
Mon 12/77:55 pm -
1 stop26h 10m
Deal found 9/3![Singapore Airlines logo]()
$750
This Gotogate deal was found by Cheapflights users on 9/6. 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.
Tue 9/2212:10 am -
1 stop32h 40m
Mon 9/2812:05 pm -
1 stop17h 10m
Deal found 9/6![Asiana Airlines logo]()
$751
This Gotogate deal was found by Cheapflights users on 9/3. 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 10/1812:10 am -
1 stop32h 40m
Sun 11/812:10 am -
1 stop28h 45m
Deal found 9/3![Asiana Airlines logo]()
$752
This oojo deal was found by Cheapflights users on 9/4. 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 12/28:40 am -
1 stop23h 20m
Tue 12/225:55 am -
1 stop40h 10m
Deal found 9/4![Singapore Airlines logo]()
$754
This Trip.com deal was found by Cheapflights users on 9/7. 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.
Tue 10/131:15 am -
1 stop18h 25m
Sun 10/255:15 pm -
1 stop15h 55m
Deal found 9/7![China Airlines logo]()
$755
This Trip.com deal was found by Cheapflights users on 9/3. 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.
Tue 11/2412:10 am -
1 stop19h 50m
Sat 12/512:10 am -
1 stop28h 45m
Deal found 9/3![Asiana Airlines logo]()
$757
This oojo deal was found by Cheapflights users on 9/4. 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 11/2312:10 am -
1 stop31h 40m
Sat 2/1312:10 am -
1 stop28h 45m
Deal found 9/4![Asiana Airlines logo]()
$759
This Flightnetwork deal was found by Cheapflights users on 9/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:50 pm -
1 stop33h 45m
Wed 10/2811:40 pm -
1 stop24h 25m
Deal found 9/6![Korean Air logo]()
$763
Best flights from Washington to VietnamDiscover carefully curated flight deals from Washington to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Washington to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Korean Air deal was found by Cheapflights users on 9/6. 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 2/147:20 am -
2 stops38h 30m
Thu 2/182:05 pm -
1 stop34h 00m
Deal found 9/6![Korean Air logo]()
$801
This STARLUX Airlines deal was found by Cheapflights users on 9/7. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2111:45 pm -
1 stop19h 45m
Thu 2/1111:40 am -
1 stop18h 25m
Deal found 9/7![STARLUX Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 11/2912:28 pm -
2 stops43h 27m
Tue 1/197:30 am -
3 stops28h 42m
Deal found 9/7![United Airlines logo]()
$820
This Asiana Airlines deal was found by Cheapflights users on 9/7. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1712:10 am -
1 stop19h 50m
Thu 2/1112:10 am -
1 stop28h 45m
Deal found 9/7![Asiana Airlines logo]()
$836
This China Airlines deal was found by Cheapflights users on 9/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:10 am -
1 stop25h 15m
Thu 11/510:25 am -
1 stop22h 45m
Deal found 9/6![China Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 9/5. 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 11/512:30 pm -
1 stop31h 40m
Sat 11/1411:05 pm -
1 stop27h 46m
Deal found 9/5![Delta logo]()
$886
This Justfly.com deal was found by Cheapflights users on 9/5. 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 11/37:01 am -
2 stops27h 44m
Wed 11/112:45 am -
2 stops35h 33m
Deal found 9/5![Multiple Airlines logo]()
$967
This FlightHub deal was found by Cheapflights users on 9/6. 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.
Sat 11/78:08 am -
2 stops31h 47m
Tue 11/178:55 am -
2 stops53h 05m
Deal found 9/6![Qatar Airways logo]()
$991
This Singapore Airlines deal was found by Cheapflights users on 9/3. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 am -
1 stop35h 50m
Thu 10/2912:15 pm -
1 stop33h 50m
Deal found 9/3![Singapore Airlines logo]()
$1,199
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:49 pm -
2 stops58h 06m
Fri 1/228:45 pm -
2 stops56h 30m
Deal found 9/3![Vietnam Airlines logo]()
$1,330
This STARLUX Airlines deal was found by Cheapflights users on 9/7. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1911:45 pm -
1 stop19h 45m
Mon 2/811:40 am -
1 stop18h 25m
Deal found 9/7![STARLUX Airlines logo]()
$811
This Korean Air deal was found by Cheapflights users on 9/3. 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 9/225:40 pm -
2 stops38h 30m
Tue 9/297:30 am -
2 stops27h 09m
Deal found 9/3![Korean Air logo]()
$812
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 1/226:57 am -
2 stops23h 53m
Mon 2/111:05 pm -
1 stop29h 15m
Deal found 9/3![United Airlines logo]()
$842
This Korean Air deal was found by Cheapflights users on 9/5. 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 9/287:15 am -
2 stops26h 00m
Sat 10/247:30 am -
2 stops26h 57m
Deal found 9/5![Korean Air logo]()
$812
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 1/316:29 am -
2 stops25h 26m
Sun 3/1411:05 pm -
1 stop29h 15m
Deal found 9/7![United Airlines logo]()
$842
This Korean Air deal was found by Cheapflights users on 9/3. 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 1/112:30 pm -
2 stops42h 20m
Thu 2/47:55 am -
2 stops27h 36m
Deal found 9/3![Korean Air logo]()
$818
This oojo deal was found by Cheapflights users on 9/4. 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 1/45:38 pm -
2 stops24h 37m
Thu 3/410:25 am -
2 stops27h 08m
Deal found 9/4![China Airlines logo]()
$991
This Delta deal was found by Cheapflights users on 9/7. 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 1/149:40 am -
2 stops34h 30m
Tue 2/211:05 pm -
2 stops32h 54m
Deal found 9/7![Delta logo]()
$992
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:30 am -
2 stops27h 45m
Thu 10/298:40 am -
2 stops24h 30m
Deal found 9/7![Multiple Airlines logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/16:15 am -
2 stops25h 40m
Mon 2/111:05 pm -
1 stop29h 15m
Deal found 9/3![United Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/86:29 am -
2 stops25h 26m
Wed 3/3111:15 pm -
1 stop29h 10m
Deal found 9/4![United Airlines logo]()
$842
This Korean Air deal was found by Cheapflights users on 9/7. 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 11/254:36 pm -
2 stops38h 09m
Sun 12/612:20 pm -
1 stop35h 45m
Deal found 9/7![Korean Air logo]()
$845
This oojo deal was found by Cheapflights users on 9/8. 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.
Tue 11/109:32 pm -
2 stops43h 33m
Wed 1/208:40 am -
2 stops27h 10m
Deal found 9/8![Multiple Airlines logo]()
$1,039
This Delta deal was found by Cheapflights users on 9/6. 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.
Wed 1/205:55 pm -
2 stops36h 30m
Wed 2/1711:05 pm -
1 stop25h 00m
Deal found 9/6![Delta logo]()
$1,047
This Korean Air deal was found by Cheapflights users on 9/8. 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 11/105:57 pm -
2 stops36h 48m
Tue 11/1712:20 pm -
1 stop35h 45m
Deal found 9/8![Korean Air logo]()
$845
This Delta deal was found by Cheapflights users on 9/6. 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 1/265:55 pm -
2 stops36h 30m
Tue 2/1611:05 pm -
2 stops30h 42m
Deal found 9/6![Delta logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 9/6. 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 1/215:00 am -
2 stops28h 15m
Mon 3/2211:05 pm -
2 stops38h 33m
Deal found 9/6![United Airlines logo]()
$874
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:33 pm -
2 stops44h 32m
Fri 10/239:05 pm -
2 stops50h 24m
Deal found 9/3![Multiple Airlines logo]()
$1,095
This Korean Air deal was found by Cheapflights users on 9/4. 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 11/15:45 pm -
2 stops50h 25m
Tue 11/1711:05 pm -
1 stop25h 00m
Deal found 9/4![Korean Air logo]()
$857
This United Airlines deal was found by Cheapflights users on 9/4. 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 1/115:00 am -
2 stops28h 15m
Mon 4/57:00 am -
3 stops42h 24m
Deal found 9/4![United Airlines logo]()
$888
Last-minute flights from Washington to VietnamDiscover last-minute flight deals from Washington to Vietnam. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Vietnam. Data last updated September 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Thu 9/1712:10 am -
1 stop20h 50m
Mon 9/2812:05 pm -
1 stop17h 10m
Deal found 9/3![Asiana Airlines logo]()
$772
This Gotogate deal was found by Cheapflights users on 9/6. 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.
Tue 9/2212:10 am -
1 stop32h 40m
Mon 9/2812:05 pm -
1 stop17h 10m
Deal found 9/6![Asiana Airlines logo]()
$751
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:15 am -
1 stop25h 05m
Sat 10/1011:20 am -
1 stop21h 55m
Deal found 9/5![Multiple Airlines logo]()
$767
This Asiana Airlines deal was found by Cheapflights users on 9/4. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:10 am -
1 stop32h 40m
Sun 11/112:10 am -
1 stop28h 45m
Deal found 9/4![Asiana Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 9/2. 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 10/1110:15 am -
1 stop41h 15m
Fri 10/1611:55 am -
1 stop34h 50m
Deal found 9/2![Singapore Airlines logo]()
$730
This Trip.com deal was found by Cheapflights users on 9/7. 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.
Tue 10/131:15 am -
1 stop18h 25m
Sun 10/255:15 pm -
1 stop15h 55m
Deal found 9/7![China Airlines logo]()
$755
This FlightHub deal was found by Cheapflights users on 9/3. 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 10/1312:10 am -
1 stop32h 40m
Thu 10/2212:10 am -
1 stop29h 05m
Deal found 9/3![Asiana Airlines logo]()
$768
This Gotogate deal was found by Cheapflights users on 9/3. 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 10/1812:10 am -
1 stop32h 40m
Sun 11/812:10 am -
1 stop28h 45m
Deal found 9/3![Asiana Airlines logo]()
$752
This oojo deal was found by Cheapflights users on 9/5. 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.
Tue 10/2010:15 am -
1 stop33h 40m
Wed 10/2811:45 am -
1 stop34h 20m
Deal found 9/5![Singapore Airlines logo]()
$671
This Flightnetwork deal was found by Cheapflights users on 9/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:50 pm -
1 stop33h 45m
Wed 10/2811:40 pm -
1 stop24h 25m
Deal found 9/6![Korean Air logo]()
$763
This Justfly.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/2212:10 am -
1 stop32h 40m
Thu 11/1912:10 am -
1 stop28h 45m
Deal found 9/4![Asiana Airlines logo]()
$740
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 am -
1 stop18h 50m
Sat 11/711:20 am -
1 stop21h 50m
Deal found 9/6![Multiple Airlines logo]()
$773
One-way flights from Washington to VietnamSearch for one-way flight options from Washington to Vietnam. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Washington to Vietnam. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This oojo deal was found by Cheapflights users on 9/3. 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.
Fri 2/268:40 am -
1 stop39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Singapore Airlines logo]()
$286
This oojo deal was found by Cheapflights users on 9/3. 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.
Fri 2/268:40 am -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Singapore Airlines logo]()
$312
This FlightHub deal was found by Cheapflights users on 9/5. 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 2/178:40 am -
1 stop43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Singapore Airlines logo]()
$316
This oojo deal was found by Cheapflights users on 9/6. 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 2/138:40 am -
1 stop43h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Singapore Airlines logo]()
$318
This oojo deal was found by Cheapflights users on 9/6. 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 2/138:40 am -
1 stop39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Singapore Airlines logo]()
$322
This oojo deal was found by Cheapflights users on 9/3. 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 10/1912:10 am -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Asiana Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Thu 9/1712:10 am -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Asiana Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/1412:10 am -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Asiana Airlines logo]()
$391
This FlightHub deal was found by Cheapflights users on 9/4. 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 9/1512:10 am -
1 stop32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Asiana Airlines logo]()
$392
This oojo deal was found by Cheapflights users on 9/3. 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.
Tue 11/312:10 am -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Asiana Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 1/178:40 am -
2 stops55h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 2/268:40 am -
2 stops55h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$400
Find flight deals from Washington to Vietnam
Keep the following information in mind while searching for Washington to Vietnam flight deals. Data was last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $669 (oojo) |
One-way from | $286 (oojo) |
Popular in | December |
Cheapest in | April |
Average price | $765 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Washington to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Sun 1/17
12:40 pm-11:50 pm
1 stop20h 10m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$408
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Tue 12/8
12:30 pm-11:50 pm
1 stop20h 20m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$408
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Thu 11/26
12:30 pm-11:50 pm
1 stop20h 20m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$408
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Thu 11/26
11:00 am-11:50 pm
1 stop21h 50m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$410
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Thu 11/26
6:00 am-10:55 pm
2 stops25h 55m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$414
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Thu 11/5
6:00 am-10:55 pm
2 stops25h 55m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$414
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Tue 12/8
3:21 pm-10:25 pm
2 stops40h 04m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$415
SeattleHo Chi Minh City
SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City
SEASGN
Seattle/Tacoma Intl
Wed 2/17
12:00 pm-11:50 pm
2 stops44h 50m
Ho Chi Minh City
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$416
SeattleHanoi
SEA Seattle/Tacoma Intl - HAN Hanoi Noibai
SEAHAN
Seattle/Tacoma Intl
Mon 11/2
7:16 am-9:45 pm
2 stops23h 29m
Hanoi Noibai
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$440
SeattleHanoi
SEA Seattle/Tacoma Intl - HAN Hanoi Noibai
SEAHAN
Seattle/Tacoma Intl
Wed 11/25
5:57 pm-11:10 am
2 stops26h 13m
Hanoi Noibai
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$441
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Washington with our price prediction graph.
SEA-SGN
GEG-SGN
SEA-HAN
PDX-DAD
SEA-DAD
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 to Vietnam
USWA-VN0
SEA-SGN
GEG-SGN
SEA-HAN
PDX-DAD
What is the cheapest month to book a flight from State of Washington to Vietnam?
Currently, April is the cheapest month in which you can book a flight from State of Washington to Vietnam (average of $762). Flying from State of Washington to Vietnam in December is currently the most expensive (average of $1,312). 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 State of Washington to Vietnam?
The price you pay for your flight from State of Washington to Vietnam may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Washington 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 to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
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 to Vietnam by cabin class
Find flights from Washington to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Vietnam flights
Browse other Washington and Vietnam flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Vietnam
Find the right flight back to Washington after your stay in Vietnam
Washington to Vietnam flights
Consider these flights traveling from Washington to Vietnam.
Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
Top 10 airlines flying from Washington to Vietnam
Discover the top 10 airlines that operate flights from Washington 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$889 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$432 | Average$799 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$493 | Average$737 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$808 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$603 | Average$775 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$610 | Average$927 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$614 | Average$848 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$616 | Average$788 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$651 | Average$796 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$670 | Average$1,197 | FlexibilityNo cancel fee | On-time79% |