$409+ Cheap flights from Seattle (SEA) 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Vietnam with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Seattle to VietnamExplore the most affordable flight options available from Seattle to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
Explore the most affordable flight options available from Seattle to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This oojo deal was found by Cheapflights users on 6/27. 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
SEA
- DAD
1 stop33h 40m
Singapore Airlines
Sat 11/711:50 am
DAD
- SEA
1 stop34h 20m
Singapore Airlines
Deal found 6/27![Singapore Airlines logo]()
$706
This oojo deal was found by Cheapflights users on 6/24. 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 10/310:15 am
SEA
- DAD
1 stop39h 40m
Singapore Airlines
Thu 10/1511:55 am
DAD
- SEA
1 stop34h 50m
Singapore Airlines
Deal found 6/24![Singapore Airlines logo]()
$760
This oojo deal was found by Cheapflights users on 6/27. 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 9/1611:10 pm
SEA
- DAD
1 stop26h 10m
Philippine Airlines
Wed 9/304:30 pm
DAD
- SEA
1 stop17h 35m
Philippine Airlines
Deal found 6/27![Philippine Airlines logo]()
$820
This oojo deal was found by Cheapflights users on 6/25. 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 11/1612:10 am
SEA
- HAN
1 stop21h 00m
Asiana Airlines
Tue 11/241:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 6/25![Asiana Airlines logo]()
$838
This FlightHub deal was found by Cheapflights users on 6/25. 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 8/3112:10 am
SEA
- HAN
1 stop22h 05m
Asiana Airlines
Mon 9/71:25 pm
HAN
- SEA
1 stop15h 50m
Asiana Airlines
Deal found 6/25![Asiana Airlines logo]()
$839
This Gotogate deal was found by Cheapflights users on 6/24. 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 8/1612:10 am
SEA
- HAN
1 stop22h 05m
Asiana Airlines
Sun 8/3011:30 pm
HAN
- SEA
1 stop30h 15m
Asiana Airlines
Deal found 6/24![Asiana Airlines logo]()
$840
This Gotogate deal was found by Cheapflights users on 6/25. 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.
Mon 9/712:10 am
SEA
- HAN
1 stop22h 05m
Asiana Airlines
Thu 9/171:25 pm
HAN
- SEA
1 stop15h 50m
Asiana Airlines
Deal found 6/25![Asiana Airlines logo]()
$853
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/171:20 pm
SEA
- HAN
1 stop18h 15m
Korean Air
Sun 8/3011:10 pm
HAN
- SEA
2 stops31h 03m
Korean Air
Deal found 6/24![Korean Air logo]()
$859
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Tue 10/1312:50 pm
SEA
- HAN
1 stop18h 45m
Korean Air
Wed 10/2111:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 6/25![Korean Air logo]()
$860
This KAYAK deal was found by Cheapflights users on 6/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:10 pm
SEA
- HAN
1 stop35h 35m
Philippine Airlines
Mon 9/211:45 am
HAN
- SEA
1 stop32h 20m
Philippine Airlines
Deal found 6/29![Philippine Airlines logo]()
$862
This oojo deal was found by Cheapflights users on 6/25. 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.
Thu 8/611:10 pm
SEA
- DAD
1 stop24h 00m
Philippine Airlines
Tue 9/82:10 pm
DAD
- SEA
1 stop19h 55m
Philippine Airlines
Deal found 6/25![Philippine Airlines logo]()
$887
This oojo deal was found by Cheapflights users on 6/26. 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 10/207:05 pm
SEA
- DAD
2 stops26h 00m
Multiple Airlines
Sat 11/711:50 am
DAD
- SEA
1 stop34h 20m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$945
Best flights from Seattle to VietnamDiscover carefully curated flight deals from Seattle to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from Seattle to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This Asiana Airlines deal was found by Cheapflights users on 6/28. 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.
Mon 11/212:10 am
SEA
- HAN
1 stop21h 00m
Asiana Airlines
Thu 11/51:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 6/28![Asiana Airlines logo]()
$879
This Korean Air deal was found by Cheapflights users on 6/29. 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 9/1012:50 pm
SEA
- HAN
1 stop18h 45m
Korean Air
Tue 9/2212:05 pm
HAN
- SEA
2 stops22h 37m
Korean Air
Deal found 6/29![Korean Air logo]()
$890
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/237:35 pm
SEA
- HAN
2 stops36h 40m
United Airlines
Fri 9/1111:35 pm
HAN
- SEA
2 stops35h 08m
United Airlines
Deal found 6/24![United Airlines logo]()
$947
This United deal was found by Cheapflights users on 6/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:46 am
SEA
- HAN
2 stops23h 29m
Multiple Airlines
Sun 10/1111:35 pm
HAN
- SEA
1 stop28h 50m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,019
This Delta deal was found by Cheapflights users on 6/26. 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 11/511:00 am
SEA
- HAN
1 stop33h 10m
Delta
Sat 11/1412:20 pm
HAN
- SEA
2 stops24h 34m
Delta
Deal found 6/26![Delta logo]()
$1,046
This KAYAK deal was found by Cheapflights users on 6/26. 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 7/3110:15 am
SEA
- CXR
1 stop41h 50m
Singapore Airlines
Fri 8/2812:10 pm
CXR
- SEA
1 stop34h 35m
Singapore Airlines
Deal found 6/26![Singapore Airlines logo]()
$1,715
This Korean Air deal was found by Cheapflights users on 6/28. 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.
Fri 8/147:16 am
SEA
- HAN
2 stops24h 19m
Korean Air
Mon 9/2111:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 6/28![Korean Air logo]()
$925
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/27:11 am
SEA
- HAN
2 stops25h 04m
United Airlines
Sun 10/1111:35 pm
HAN
- SEA
2 stops53h 58m
United Airlines
Deal found 6/26![United Airlines logo]()
$955
This Korean Air deal was found by Cheapflights users on 6/27. 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.
Fri 8/147:16 am
SEA
- HAN
2 stops24h 19m
Korean Air
Sat 9/1911:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 6/27![Korean Air logo]()
$965
This United Airlines deal was found by Cheapflights users on 6/28. 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 11/255:28 pm
SEA
- SGN
3 stops38h 27m
United Airlines
Wed 12/911:05 pm
SGN
- SEA
1 stop29h 15m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,024
This Gotogate deal was found by Cheapflights users on 6/26. 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.
Wed 7/2210:45 am
SEA
- CXR
2 stops23h 50m
Multiple Airlines
Wed 8/121:35 am
CXR
- SEA
2 stops26h 47m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,170
This Delta deal was found by Cheapflights users on 6/27. 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 8/15:50 pm
SEA
- PQC
2 stops39h 00m
Delta
Sat 8/2912:10 am
PQC
- SEA
2 stops30h 27m
Delta
Deal found 6/27![Delta logo]()
$1,177
This Korean Air deal was found by Cheapflights users on 6/25. 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 11/511:00 am
SEA
- HAN
1 stop33h 10m
Korean Air
Sat 11/1411:05 pm
HAN
- SEA
1 stop24h 55m
Korean Air
Deal found 6/25![Korean Air logo]()
$998
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 11/147:35 pm
SEA
- SGN
3 stops36h 20m
United Airlines
Thu 11/2611:05 pm
SGN
- SEA
1 stop29h 15m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,024
This Delta deal was found by Cheapflights users on 6/24. 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 9/15:51 pm
SEA
- DAD
2 stops37h 14m
Delta
Sat 9/1910:55 pm
DAD
- SEA
2 stops36h 50m
Delta
Deal found 6/24![Delta logo]()
$1,179
This Korean Air deal was found by Cheapflights users on 6/28. 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 8/51:20 pm
SEA
- SGN
1 stop19h 55m
Korean Air
Sat 8/2911:45 pm
SGN
- SEA
1 stop25h 15m
Korean Air
Deal found 6/28![Korean Air logo]()
$1,012
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 am
SEA
- SGN
3 stops25h 05m
United Airlines
Wed 9/167:00 am
SGN
- SEA
2 stops23h 14m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,029
This Mytrip deal was found by Cheapflights users on 6/25. 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.
Sun 8/97:00 am
SEA
- HPH
3 stops34h 20m
Multiple Airlines
Sun 8/163:40 pm
HPH
- SEA
2 stops33h 20m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,280
This Delta deal was found by Cheapflights users on 6/26. 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 8/15:50 pm
SEA
- DAD
2 stops37h 15m
Delta
Mon 8/3110:55 pm
DAD
- SEA
2 stops38h 24m
Delta
Deal found 6/26![Delta logo]()
$1,204
This Korean Air deal was found by Cheapflights users on 6/27. 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.
Sat 10/177:32 am
SEA
- SGN
2 stops25h 43m
Korean Air
Sat 11/72:05 pm
SGN
- SEA
1 stop33h 55m
Korean Air
Deal found 6/27![Korean Air logo]()
$1,018
This United Airlines deal was found by Cheapflights users on 6/24. 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 10/218:29 pm
SEA
- SGN
3 stops35h 36m
United Airlines
Sat 10/3111:05 pm
SGN
- SEA
1 stop29h 15m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,030
This Mytrip deal was found by Cheapflights users on 6/26. 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.
Sun 8/97:00 am
SEA
- PQC
3 stops36h 00m
Multiple Airlines
Sun 8/168:10 am
PQC
- SEA
2 stops25h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,285
This Korean Air deal was found by Cheapflights users on 6/27. 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.
Sat 8/14:25 pm
SEA
- SGN
2 stops40h 50m
Korean Air
Tue 8/2511:45 pm
SGN
- SEA
2 stops36h 00m
Korean Air
Deal found 6/27![Korean Air logo]()
$1,029
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 10/177:25 pm
SEA
- SGN
3 stops36h 40m
United Airlines
Thu 4/1511:15 pm
SGN
- SEA
1 stop29h 10m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,030
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:20 am
SEA
- CXR
2 stops25h 45m
Delta
Wed 8/1912:20 am
CXR
- SEA
1 stop27h 17m
Delta
Deal found 6/29![Delta logo]()
$1,287
This Korean Air deal was found by Cheapflights users on 6/27. 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 11/107:20 am
SEA
- SGN
2 stops24h 05m
Korean Air
Thu 11/1211:50 pm
SGN
- SEA
2 stops35h 41m
Korean Air
Deal found 6/27![Korean Air logo]()
$1,029
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 10/176:30 am
SEA
- SGN
2 stops25h 35m
United Airlines
Sat 11/77:30 am
SGN
- SEA
2 stops23h 57m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,031
This Delta deal was found by Cheapflights users on 6/24. 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.
Fri 8/77:20 am
SEA
- DAD
2 stops23h 45m
Delta
Sat 8/223:55 pm
DAD
- SEA
2 stops40h 49m
Delta
Deal found 6/24![Delta logo]()
$1,304
This Booking.com deal was found by Cheapflights users on 6/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:36 pm
SEA
- CXR
3 stops38h 09m
Multiple Airlines
Thu 8/2012:30 pm
CXR
- SEA
2 stops21h 20m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,481
This Korean Air deal was found by Cheapflights users on 6/26. 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 9/112:50 pm
SEA
- DAD
1 stop18h 15m
Korean Air
Sat 9/1910:55 pm
DAD
- SEA
2 stops36h 50m
Korean Air
Deal found 6/26![Korean Air logo]()
$1,083
Last-minute flights from Seattle to VietnamDiscover last-minute flight deals from Seattle to Vietnam. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Vietnam. Data last updated June 29, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/25. 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.
Wed 7/111:10 pm
SEA
- DAD
1 stop26h 10m
Philippine Airlines
Wed 7/84:30 pm
DAD
- SEA
1 stop17h 35m
Philippine Airlines
Deal found 6/25![Philippine Airlines logo]()
$981
This Ovago deal was found by Cheapflights users on 6/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 am
SEA
- HAN
2 stops27h 15m
ANA
Wed 7/2211:35 pm
HAN
- SEA
2 stops32h 57m
ANA
Deal found 6/26![ANA logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/95:00 am
SEA
- HAN
2 stops27h 15m
United Airlines
Tue 7/2111:35 pm
HAN
- SEA
2 stops28h 55m
United Airlines
Deal found 6/24![United Airlines logo]()
$901
This Mytrip deal was found by Cheapflights users on 6/24. 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 7/94:30 pm
SEA
- HAN
1 stop39h 45m
ANA
Tue 7/2111:35 pm
HAN
- SEA
2 stops37h 35m
ANA
Deal found 6/24![ANA logo]()
$931
This FlightHub deal was found by Cheapflights users on 6/25. 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 7/94:30 pm
SEA
- SGN
1 stop39h 25m
ANA
Thu 7/1611:15 pm
SGN
- SEA
1 stop29h 10m
ANA
Deal found 6/25![ANA logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/106:00 am
SEA
- SGN
2 stops25h 55m
United Airlines
Fri 8/711:15 pm
SGN
- SEA
1 stop29h 10m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/108:45 am
SEA
- SGN
2 stops25h 30m
United Airlines
Wed 7/1511:15 pm
SGN
- SEA
2 stops31h 05m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 7/116:00 am
SEA
- SGN
2 stops26h 05m
United Airlines
Wed 7/1511:15 pm
SGN
- SEA
2 stops33h 32m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,030
This Justfly.com deal was found by Cheapflights users on 6/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:45 am
SEA
- SGN
2 stops25h 30m
ANA
Tue 9/811:15 pm
SGN
- SEA
1 stop29h 10m
ANA
Deal found 6/29![ANA logo]()
$1,027
This Expedia deal was found by Cheapflights users on 6/28. 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.
Sun 7/195:45 am
SEA
- SGN
2 stops28h 30m
Multiple Airlines
Sun 11/2212:10 am
SGN
- SEA
1 stop28h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/195:15 am
SEA
- SGN
3 stops26h 50m
United Airlines
Mon 11/2311:05 pm
SGN
- SEA
1 stop29h 15m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,024
This Mytrip deal was found by Cheapflights users on 6/28. 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.
Tue 7/284:30 pm
SEA
- SGN
1 stop39h 25m
Multiple Airlines
Mon 8/3111:50 pm
SGN
- SEA
2 stops29h 25m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,016
One-way flights from Seattle to VietnamSearch for one-way flight options from Seattle to Vietnam. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from Seattle to Vietnam. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This oojo deal was found by Cheapflights users on 6/28. 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 9/2311:10 pm
SEA
- DAD
1 stop26h 10m
Philippine Airlines
Deal found 6/28![Philippine Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/2311:10 pm
SEA
- HAN
1 stop24h 05m
Philippine Airlines
Deal found 6/28![Philippine Airlines logo]()
$411
This oojo deal was found by Cheapflights users on 6/28. 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.
Thu 9/101:35 pm
SEA
- HAN
1 stop18h 25m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$428
This oojo deal was found by Cheapflights users on 6/28. 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 10/281:40 pm
SEA
- HAN
1 stop18h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$432
This FlightHub deal was found by Cheapflights users on 6/26. 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 8/1712:10 am
SEA
- HAN
1 stop22h 05m
Asiana Airlines
Deal found 6/26![Asiana Airlines logo]()
$433
This oojo deal was found by Cheapflights users on 6/25. 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.
Thu 11/1212:10 am
SEA
- HAN
1 stop21h 00m
Asiana Airlines
Deal found 6/25![Asiana Airlines logo]()
$434
This FlightHub deal was found by Cheapflights users on 6/24. 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 10/2712:10 am
SEA
- HAN
1 stop22h 00m
Asiana Airlines
Deal found 6/24![Asiana Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 10/112:10 am
SEA
- HAN
1 stop31h 50m
Asiana Airlines
Deal found 6/28![Asiana Airlines logo]()
$446
This oojo deal was found by Cheapflights users on 6/26. 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 8/171:25 pm
SEA
- HAN
1 stop18h 25m
Japan Airlines
Deal found 6/26![Japan Airlines logo]()
$450
This ScholarTrip deal was found by Cheapflights users on 6/25. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:50 pm
SEA
- HAN
1 stop18h 45m
Korean Air
Deal found 6/25![Korean Air logo]()
$451
This Delta deal was found by Cheapflights users on 6/26. 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 10/41:00 pm
SEA
- HAN
1 stop18h 35m
Delta
Deal found 6/26![Delta logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:10 pm
SEA
- DAD
1 stop24h 00m
Philippine Airlines
Deal found 6/29![Philippine Airlines logo]()
$466
Find flight deals from Seattle to Vietnam
Keep the following information in mind while searching for Seattle to Vietnam flight deals. Data was last updated June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $706 (oojo) |
One-way from | $409 (oojo) |
Popular in | December |
Cheapest in | April |
Average price | $1,191 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 29, 2026.
Use the filters below to find and compare flights from Seattle to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Mon 11/2
12:10 am-12:10 pm
1 stop21h 00m
Hanoi Noibai
Thu 11/5
1:30 pm-1:55 pm
1 stop15h 25m
$879
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Thu 9/10
12:50 pm-9:35 pm
1 stop18h 45m
Hanoi Noibai
Tue 9/22
12:05 pm-8:42 pm
2 stops22h 37m
$890
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 8/14
7:16 am-9:35 pm
2 stops24h 19m
Hanoi Noibai
Mon 9/21
11:10 pm-10:40 am
1 stop25h 30m
$925
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Sun 8/23
7:35 pm-10:15 pm
2 stops36h 40m
Hanoi Noibai
Fri 9/11
11:35 pm-8:43 pm
2 stops35h 08m
$947
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 10/2
7:11 am-10:15 pm
2 stops25h 04m
Hanoi Noibai
Sun 10/11
11:35 pm-3:33 pm
2 stops53h 58m
$955
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 8/14
7:16 am-9:35 pm
2 stops24h 19m
Hanoi Noibai
Sat 9/19
11:10 pm-10:40 am
1 stop25h 30m
$965
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Thu 11/5
11:00 am-11:10 am
1 stop33h 10m
Hanoi Noibai
Sat 11/14
11:05 pm-9:00 am
1 stop24h 55m
$998
SeattleHo Chi Minh City
SEA - SGN
SEASGN
Seattle/Tacoma Intl
Wed 8/5
1:20 pm-11:15 pm
1 stop19h 55m
Ho Chi Minh City
Sat 8/29
11:45 pm-11:00 am
1 stop25h 15m
$1,012
SeattleHo Chi Minh City
SEA - SGN
SEASGN
Seattle/Tacoma Intl
Sat 10/17
7:32 am-11:15 pm
2 stops25h 43m
Ho Chi Minh City
Sat 11/7
2:05 pm-9:00 am
1 stop33h 55m
$1,018
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 10/2
8:46 am-10:15 pm
2 stops23h 29m
Hanoi Noibai
Sun 10/11
11:35 pm-2:25 pm
1 stop28h 50m
$1,019
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Seattle with our price prediction graph.
SEA-HAN
SEA-CXR
SEA-SGN
SEA-PQC
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 Seattle to Vietnam
SEA-VN0
SEA-HAN
SEA-CXR
SEA-SGN
SEA-PQC
What is the cheapest month to book a flight from Seattle to Vietnam?
Currently, May is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $432). Flying from Seattle to Vietnam in July is currently the most expensive (average of $1,457). 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 Seattle to Vietnam?
The price you pay for your flight from Seattle to Vietnam may vary depending on when you book. For the best chance of a lower fare, look to book 75 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 29, 2026.
Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andKorean Air from Seattle to Vietnam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Popular flights
Top regions
Alternative routes for Seattle 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 Seattle to Vietnam by cabin class
Find flights from Seattle to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Vietnam flights
Browse other Seattle and Vietnam flight options. Last updated on June 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
Top 10 airlines flying from Seattle to Vietnam
Discover the top 10 airlines that operate flights from Seattle 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$887 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$432 | Average$860 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$493 | Average$676 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$692 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$606 | Average$935 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$608 | Average$748 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$614 | Average$792 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$616 | Average$788 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$666 | Average$795 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$670 | Average$1,187 | FlexibilityNo cancel fee | On-time79% |