$313+ Cheap flights from Washington to Hanoi (HAN)
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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HAN
Mar 17 — Mar 241
1 adult, Economy
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Cheapest flights from Washington to HanoiExplore the most affordable flight options available from Washington to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
Explore the most affordable flight options available from Washington to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
This Gurufare deal was found by Cheapflights users on 2/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:15 am
SEA
- HAN
1 stop35h 15m
Singapore Airlines
Mon 5/2512:40 pm
HAN
- SEA
1 stop34h 05m
Singapore Airlines
Deal found 2/12![Singapore Airlines logo]()
$509
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:15 am
SEA
- HAN
1 stop38h 50m
Singapore Airlines
Wed 9/912:50 pm
HAN
- SEA
1 stop33h 55m
Singapore Airlines
Deal found 2/11![Singapore Airlines logo]()
$583
This CrystalTravel deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:10 am
SEA
- HAN
1 stop21h 00m
Asiana Airlines
Tue 12/81:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$614
This Gurufare deal was found by Cheapflights users on 2/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 am
SEA
- HAN
1 stop35h 15m
Singapore Airlines
Mon 9/73:20 pm
HAN
- SEA
1 stop31h 25m
Singapore Airlines
Deal found 2/13![Singapore Airlines logo]()
$615
This CrystalTravel deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 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 2/13![Asiana Airlines logo]()
$617
This oojo deal was found by Cheapflights users on 2/11. 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 5/312:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Tue 5/121:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 2/13. 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 4/81:00 pm
SEA
- HAN
1 stop18h 35m
Delta
Mon 4/2011:10 pm
HAN
- SEA
1 stop27h 57m
Delta
Deal found 2/13![Delta logo]()
$626
This FlightHub deal was found by Cheapflights users on 2/12. 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 10/1211:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
Wed 10/217:10 pm
HAN
- SEA
1 stop28h 55m
Cathay Pacific
Deal found 2/12![Cathay Pacific logo]()
$627
This Korean Air deal was found by Cheapflights users on 2/12. 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 stop19h 45m
Korean Air
Sun 11/1511:05 pm
HAN
- SEA
1 stop24h 55m
Korean Air
Deal found 2/12![Korean Air logo]()
$630
This Justfly.com deal was found by Cheapflights users on 2/13. 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 4/911:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
Tue 4/2110:55 am
HAN
- SEA
1 stop37h 10m
Cathay Pacific
Deal found 2/13![Cathay Pacific logo]()
$632
This United Airlines deal was found by Cheapflights users on 2/12. 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 9/75:30 am
PDX
- HAN
2 stops26h 45m
United Airlines
Thu 9/1011:35 pm
HAN
- PDX
2 stops37h 29m
United Airlines
Deal found 2/12![United Airlines logo]()
$768
This Delta deal was found by Cheapflights users on 2/13. 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.
Mon 4/2010:45 am
PDX
- HAN
2 stops20h 50m
Delta
Mon 4/2711:10 pm
HAN
- PDX
2 stops33h 42m
Delta
Deal found 2/13![Delta logo]()
$781
Best flights from Washington to HanoiDiscover carefully curated flight deals from Washington to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
Discover carefully curated flight deals from Washington to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
This Korean Air deal was found by Cheapflights users on 2/11. 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 4/67:59 pm
SEA
- HAN
2 stops35h 36m
Korean Air
Tue 4/1411:10 pm
HAN
- SEA
2 stops29h 41m
Korean Air
Deal found 2/11![Korean Air logo]()
$652
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:15 am
SEA
- HAN
1 stop41h 25m
Multiple Airlines
Sun 5/1712:40 pm
HAN
- SEA
2 stops34h 17m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$657
This oojo deal was found by Cheapflights users on 2/14. 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 3/912:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Mon 3/161:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$698
This Delta deal was found by Cheapflights users on 2/11. 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 4/81:00 pm
SEA
- HAN
1 stop18h 35m
Delta
Wed 4/1511:10 pm
HAN
- SEA
1 stop27h 57m
Delta
Deal found 2/11![Delta logo]()
$706
This oojo deal was found by Cheapflights users on 2/11. 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 4/237:00 am
PDX
- HAN
2 stops45h 10m
Cathay Pacific
Wed 5/610:55 am
HAN
- PDX
2 stops23h 40m
Cathay Pacific
Deal found 2/11![Cathay Pacific logo]()
$821
This Korean Air deal was found by Cheapflights users on 2/11. 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 4/97:59 pm
SEA
- HAN
2 stops35h 36m
Korean Air
Tue 4/2111:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 2/11![Korean Air logo]()
$655
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:15 am
SEA
- HAN
1 stop35h 15m
Multiple Airlines
Sun 5/1712:40 pm
HAN
- SEA
2 stops34h 17m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$657
This oojo deal was found by Cheapflights users on 2/14. 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 3/812:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Thu 4/301:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$724
This Korean Air deal was found by Cheapflights users on 2/13. 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 4/97:59 pm
SEA
- HAN
2 stops35h 36m
Korean Air
Mon 4/2011:10 pm
HAN
- SEA
2 stops32h 06m
Korean Air
Deal found 2/13![Korean Air logo]()
$666
This Delta deal was found by Cheapflights users on 2/13. 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 4/239:05 am
PDX
- HAN
2 stops22h 30m
Delta
Mon 4/2711:10 pm
HAN
- PDX
2 stops36h 22m
Delta
Deal found 2/13![Delta logo]()
$781
This Asiana Airlines deal was found by Cheapflights users on 2/11. 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 4/612:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Thu 4/161:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$730
This Korean Air deal was found by Cheapflights users on 2/11. 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 5/612:50 pm
SEA
- HAN
1 stop18h 45m
Korean Air
Sat 5/1612:05 pm
HAN
- SEA
2 stops22h 25m
Korean Air
Deal found 2/11![Korean Air logo]()
$681
This Delta deal was found by Cheapflights users on 2/13. 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 4/175:30 am
PDX
- HAN
2 stops26h 05m
Delta
Mon 4/2711:10 pm
HAN
- PDX
2 stops36h 22m
Delta
Deal found 2/13![Delta logo]()
$789
This Asiana Airlines deal was found by Cheapflights users on 2/14. 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 3/812:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Wed 3/181:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$730
This IEagle deal was found by Cheapflights users on 2/11. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:30 pm
PDX
- HAN
2 stops24h 00m
Multiple Airlines
Thu 5/145:50 pm
HAN
- PDX
2 stops19h 13m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 2/13. 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.
Mon 4/209:05 am
PDX
- HAN
2 stops22h 30m
Delta
Thu 4/3011:10 pm
HAN
- PDX
2 stops32h 00m
Delta
Deal found 2/13![Delta logo]()
$789
This Korean Air deal was found by Cheapflights users on 2/14. 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 3/47:15 am
PDX
- HAN
2 stops36h 55m
Korean Air
Tue 3/1711:05 pm
HAN
- PDX
2 stops37h 18m
Korean Air
Deal found 2/14![Korean Air logo]()
$786
This Delta deal was found by Cheapflights users on 2/13. 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 4/197:32 pm
PDX
- HAN
2 stops36h 03m
Delta
Thu 4/3011:10 pm
HAN
- PDX
2 stops33h 42m
Delta
Deal found 2/13![Delta logo]()
$795
This Korean Air deal was found by Cheapflights users on 2/13. 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 4/2010:45 am
PDX
- HAN
2 stops20h 50m
Korean Air
Sun 4/2611:10 pm
HAN
- PDX
2 stops29h 43m
Korean Air
Deal found 2/13![Korean Air logo]()
$786
This Delta deal was found by Cheapflights users on 2/13. 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 4/183:30 pm
PDX
- HAN
2 stops40h 05m
Delta
Thu 4/3011:10 pm
HAN
- PDX
2 stops33h 42m
Delta
Deal found 2/13![Delta logo]()
$803
This Korean Air deal was found by Cheapflights users on 2/12. 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 5/79:38 am
PDX
- HAN
2 stops21h 57m
Korean Air
Sun 5/1712:05 pm
HAN
- PDX
2 stops42h 18m
Korean Air
Deal found 2/12![Korean Air logo]()
$786
This Korean Air deal was found by Cheapflights users on 2/13. 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 4/176:45 am
PDX
- HAN
2 stops24h 50m
Korean Air
Sun 4/2611:10 pm
HAN
- PDX
2 stops32h 00m
Korean Air
Deal found 2/13![Korean Air logo]()
$794
Last-minute flights from Washington to HanoiDiscover last-minute flight deals from Washington to Hanoi. Data last updated February 15, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Hanoi. Data last updated February 15, 2026 and is based on user searches.
This CrystalTravel deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1512:10 am
SEA
- HAN
1 stop21h 00m
Asiana Airlines
Wed 2/181:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/12![Asiana Airlines logo]()
$645
This oojo deal was found by Cheapflights users on 2/12. 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 2/1512:10 am
SEA
- HAN
1 stop31h 15m
Asiana Airlines
Mon 3/161:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/12![Asiana Airlines logo]()
$697
This FlightHub deal was found by Cheapflights users on 2/13. 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 3/212:10 am
SEA
- HAN
1 stop31h 15m
Asiana Airlines
Wed 3/111:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/13![Asiana Airlines logo]()
$732
This Trip.com deal was found by Cheapflights users on 2/13. 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.
Wed 3/49:30 pm
SEA
- HAN
1 stop37h 15m
Multiple Airlines
Wed 3/118:40 pm
HAN
- SEA
1 stop26h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$749
This oojo deal was found by Cheapflights users on 2/14. 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 3/812:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Thu 4/301:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$724
This Asiana Airlines deal was found by Cheapflights users on 2/14. 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 3/812:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Wed 3/181:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$730
This oojo deal was found by Cheapflights users on 2/12. 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 3/912:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Tue 3/1711:50 pm
HAN
- SEA
1 stop29h 05m
Asiana Airlines
Deal found 2/12![Asiana Airlines logo]()
$652
This oojo deal was found by Cheapflights users on 2/14. 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 3/912:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Mon 3/161:30 pm
HAN
- SEA
1 stop15h 25m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$698
This KAYAK deal was found by Cheapflights users on 2/13. 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 3/155:50 pm
SEA
- HAN
2 stops55h 50m
Cathay Pacific
Mon 4/611:00 am
HAN
- SEA
1 stop37h 05m
Cathay Pacific
Deal found 2/13![Cathay Pacific logo]()
$759
This KAYAK deal was found by Cheapflights users on 2/13. 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.
Mon 3/166:21 pm
SEA
- HAN
2 stops25h 44m
Cathay Pacific
Tue 4/710:55 am
HAN
- SEA
1 stop37h 10m
Cathay Pacific
Deal found 2/13![Cathay Pacific logo]()
$746
This FlightHub deal was found by Cheapflights users on 2/12. 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 3/178:15 am
SEA
- HAN
2 stops35h 50m
Cathay Pacific
Wed 4/87:10 pm
HAN
- SEA
1 stop28h 55m
Cathay Pacific
Deal found 2/12![Cathay Pacific logo]()
$720
This Delta deal was found by Cheapflights users on 2/13. 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 3/1711:35 am
SEA
- HAN
2 stops33h 35m
Delta
Tue 4/711:10 pm
HAN
- SEA
1 stop27h 57m
Delta
Deal found 2/13![Delta logo]()
$727
One-way flights from Washington to HanoiSearch for one-way flight options from Washington to Hanoi. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
Search for one-way flight options from Washington to Hanoi. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
This oojo deal was found by Cheapflights users on 2/13. 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 4/911:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
Deal found 2/13![Cathay Pacific logo]()
$313
This Trip.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:30 pm
SEA
- HAN
1 stop24h 10m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$322
This oojo deal was found by Cheapflights users on 2/13. 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 3/59:30 pm
SEA
- HAN
1 stop37h 15m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/19:30 pm
SEA
- HAN
1 stop24h 10m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$325
This Korean Air deal was found by Cheapflights users on 2/12. 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 3/311:00 am
SEA
- HAN
1 stop19h 45m
Korean Air
Deal found 2/12![Korean Air logo]()
$331
This FlightHub deal was found by Cheapflights users on 2/12. 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 3/812:10 am
SEA
- HAN
1 stop32h 15m
Asiana Airlines
Deal found 2/12![Asiana Airlines logo]()
$333
This Korean Air deal was found by Cheapflights users on 2/12. 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 3/57:10 am
SEA
- HAN
2 stops37h 00m
Korean Air
Deal found 2/12![Korean Air logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 3/1110:30 pm
SEA
- HAN
1 stop37h 15m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$342
This Trip.com deal was found by Cheapflights users on 2/12. 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 4/1412:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Deal found 2/12![Asiana Airlines logo]()
$347
This FlightHub deal was found by Cheapflights users on 2/13. 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 4/911:10 pm
SEA
- HAN
1 stop24h 05m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$348
This Korean Air deal was found by Cheapflights users on 2/12. 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 4/97:59 pm
SEA
- HAN
2 stops35h 36m
Korean Air
Deal found 2/12![Korean Air logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/317:05 am
PDX
- HAN
2 stops36h 50m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$372
Find flight deals from Washington to Hanoi
Keep the following information in mind while searching for Washington to Hanoi flight deals. Data was last updated February 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $509 (Ovago) |
One-way from | $313 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $779 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Hanoi 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 February 15, 2026.
Use the filters below to find and compare flights from Washington to Hanoi that are best for you.
Fly from
Washington
Fly to
Hanoi
Route
Depart
Return
Price
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Mon 4/6
7:59 pm-9:35 pm
2 stops35h 36m
Hanoi Noibai
Tue 4/14
11:10 pm-2:51 pm
2 stops29h 41m
$652
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Thu 4/9
7:59 pm-9:35 pm
2 stops35h 36m
Hanoi Noibai
Tue 4/21
11:10 pm-10:40 am
1 stop25h 30m
$655
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Sat 5/9
10:15 am-5:40 pm
1 stop41h 25m
Hanoi Noibai
Sun 5/17
12:40 pm-8:57 am
2 stops34h 17m
$657
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 5/8
10:15 am-11:30 am
1 stop35h 15m
Hanoi Noibai
Sun 5/17
12:40 pm-8:57 am
2 stops34h 17m
$657
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Thu 4/9
7:59 pm-9:35 pm
2 stops35h 36m
Hanoi Noibai
Mon 4/20
11:10 pm-5:16 pm
2 stops32h 06m
$666
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Wed 5/6
12:50 pm-9:35 pm
1 stop18h 45m
Hanoi Noibai
Sat 5/16
12:05 pm-8:30 pm
2 stops22h 25m
$681
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Mon 3/9
12:10 am-10:25 pm
1 stop32h 15m
Hanoi Noibai
Mon 3/16
1:30 pm-2:55 pm
1 stop15h 25m
$698
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Wed 4/8
1:00 pm-9:35 pm
1 stop18h 35m
Hanoi Noibai
Wed 4/15
11:10 pm-1:07 pm
1 stop27h 57m
$706
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Sun 3/8
12:10 am-10:25 pm
1 stop32h 15m
Hanoi Noibai
Thu 4/30
1:25 pm-2:55 pm
1 stop15h 30m
$724
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Mon 4/6
12:55 am-10:00 pm
1 stop31h 05m
Hanoi Noibai
Thu 4/16
1:25 pm-2:55 pm
1 stop15h 30m
$730
Showing 1-10 of 35 results
Best time to book a flight from Washington to Hanoi
Have a flexible travel schedule? Discover the best time to fly to Hanoi from Washington with our price prediction graph.
SEA-HAN
PDX-HAN
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 Hanoi
USWA-HAN
SEA-HAN
PDX-HAN
What is the cheapest month to book a flight from State of Washington to Hanoi?
Currently, September is the cheapest month in which you can book a flight from State of Washington to Hanoi (average of $542). Flying from State of Washington to Hanoi in July is currently the most expensive (average of $1,019). 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.
Related info for your journey
Find useful and relevant information for your journey from Washington to Hanoi. 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.
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Complete your trip
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Hanoi flight routes
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Alternative routes for Washington to Hanoi
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Complete your trip
Complete your trip to Hanoi by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to Hanoi by cabin class
Find flights from Washington to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Hanoi
Explore flights to Hanoi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 15, 2026.
Washington and Hanoi flights
Browse other Washington and Hanoi flight options. Last updated on February 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington to Hanoi flights
Consider these flights traveling from Washington to Hanoi.
Top 8 airlines flying from Washington to Hanoi
Discover the top 8 airlines that operate flights from Washington to Hanoi. 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 February 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$974 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$531 | Average$744 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$588 | Average$815 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$622 | Average$721 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$638 | Average$682 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$659 | Average$807 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$758 | Average$863 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$783 | Average$959 | FlexibilityNo cancel fee | On-time74% |