$269+ Cheap flights from Seattle (SEA) 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HAN
abr 12 — abr 191
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Hanoi 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Hanoi
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Cheapest flights from Seattle to HanoiExplore the most affordable flight options available from Seattle to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on março 13, 2026.
Explore the most affordable flight options available from Seattle to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on março 13, 2026.
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
ter 9/110:15 am
SEA
- HAN
1 stop35h 15m
Singapore Airlines
seg 9/712:40 pm
HAN
- SEA
1 stop34h 05m
Singapore Airlines
Deal found 3/9![Singapore Airlines logo]()
$497
This oojo deal was found by Cheapflights users on 3/13. 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.
sáb 8/1510:15 am
SEA
- HAN
1 stop38h 50m
Singapore Airlines
qua 9/912:40 pm
HAN
- SEA
1 stop34h 05m
Singapore Airlines
Deal found 3/13![Singapore Airlines logo]()
$498
This Justfly.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
sex 8/1410:15 am
SEA
- HAN
1 stop38h 50m
Singapore Airlines
sáb 9/194:00 pm
HAN
- SEA
1 stop30h 45m
Singapore Airlines
Deal found 3/9![Singapore Airlines logo]()
$546
This Mytrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
ter 9/112:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
qua 9/1611:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/9![Asiana Airlines logo]()
$580
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/1512:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
dom 9/2011:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$583
This oojo deal was found by Cheapflights users on 3/13. 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.
ter 4/1412:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
seg 6/1511:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$589
This oojo deal was found by Cheapflights users on 3/8. 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.
dom 5/312:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
ter 5/121:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 3/8![Asiana Airlines logo]()
$591
This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/611:10 pm
SEA
- HAN
1 stop35h 35m
Philippine Airlines
qui 8/202:15 pm
HAN
- SEA
1 stop19h 50m
Philippine Airlines
Deal found 3/8![Philippine Airlines logo]()
$599
This oojo deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
qui 10/111:10 pm
SEA
- HAN
1 stop24h 05m
Philippine Airlines
qua 10/141:45 am
HAN
- SEA
1 stop32h 20m
Philippine Airlines
Deal found 3/9![Philippine Airlines logo]()
$610
This Trip.com deal was found by Cheapflights users on 3/12. 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.
dom 4/1212:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
qua 4/2211:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$616
Best flights from Seattle to HanoiDiscover carefully curated flight deals from Seattle to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated março 13, 2026.
Discover carefully curated flight deals from Seattle to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated março 13, 2026.
This Korean Air deal was found by Cheapflights users on 3/8. 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.
seg 5/47:00 am
SEA
- HAN
2 stops24h 35m
Korean Air
ter 5/1211:10 pm
HAN
- SEA
2 stops30h 51m
Korean Air
Deal found 3/8![Korean Air logo]()
$696
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/151:00 pm
SEA
- HAN
1 stop31h 50m
Delta
ter 4/2111:10 pm
HAN
- SEA
1 stop27h 57m
Delta
Deal found 3/12![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 3/12. 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.
sáb 4/114:32 pm
SEA
- HAN
2 stops40h 03m
United Airlines
qua 4/2211:30 pm
HAN
- SEA
2 stops35h 27m
United Airlines
Deal found 3/12![United Airlines logo]()
$1,154
This Korean Air deal was found by Cheapflights users on 3/11. 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.
sáb 8/156:00 pm
SEA
- HAN
2 stops26h 35m
Korean Air
qua 9/912:05 pm
HAN
- SEA
1 stop36h 35m
Korean Air
Deal found 3/11![Korean Air logo]()
$755
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
sex 5/812:50 pm
SEA
- HAN
1 stop32h 00m
Korean Air
dom 5/1711:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 3/10![Korean Air logo]()
$770
This Singapore Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
sex 8/1410:20 pm
SEA
- HAN
3 stops47h 10m
Multiple Airlines
dom 9/204:00 pm
HAN
- SEA
3 stops44h 24m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,800
This Korean Air deal was found by Cheapflights users on 3/12. 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.
dom 5/312:50 pm
SEA
- HAN
1 stop32h 00m
Korean Air
seg 5/1111:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 3/12![Korean Air logo]()
$770
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
sex 5/812:50 pm
SEA
- HAN
1 stop32h 00m
Korean Air
sex 5/1511:10 pm
HAN
- SEA
1 stop25h 30m
Korean Air
Deal found 3/10![Korean Air logo]()
$810
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
sex 8/144:15 pm
SEA
- HAN
2 stops28h 20m
Korean Air
sáb 9/1911:10 pm
HAN
- SEA
2 stops36h 41m
Korean Air
Deal found 3/10![Korean Air logo]()
$816
This United Airlines deal was found by Cheapflights users on 3/12. 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.
dom 5/31:21 pm
SEA
- HAN
2 stops42h 39m
United Airlines
seg 5/1111:55 pm
HAN
- SEA
3 stops35h 11m
United Airlines
Deal found 3/12![United Airlines logo]()
$1,461
This Korean Air deal was found by Cheapflights users on 3/8. 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.
sex 5/11:00 pm
SEA
- HAN
2 stops55h 50m
Korean Air
ter 6/3011:10 pm
HAN
- SEA
2 stops37h 34m
Korean Air
Deal found 3/8![Korean Air logo]()
$1,155
Last-minute flights from Seattle to HanoiDiscover last-minute flight deals from Seattle to Hanoi. Data last updated março 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hanoi. Data last updated março 13, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
dom 3/2912:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
seg 5/1811:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/9![Asiana Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
seg 3/3012:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
ter 5/191:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 3/9![Asiana Airlines logo]()
$710
This Trip.com deal was found by Cheapflights users on 3/12. 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.
dom 4/1212:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
qua 4/2211:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$616
This ScholarTrip deal was found by Cheapflights users on 3/12. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/1311:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
seg 4/2011:00 am
HAN
- SEA
1 stop37h 05m
Cathay Pacific
Deal found 3/12![Cathay Pacific logo]()
$725
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/131:00 pm
SEA
- HAN
1 stop18h 35m
Delta
qua 4/2211:10 pm
HAN
- SEA
1 stop27h 57m
Delta
Deal found 3/12![Delta logo]()
$726
This oojo deal was found by Cheapflights users on 3/13. 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.
ter 4/1412:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
seg 6/1511:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$589
This oojo deal was found by Cheapflights users on 3/11. 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.
ter 4/1412:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
sáb 4/2511:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/11![Asiana Airlines logo]()
$708
This oojo deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
ter 4/2112:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
sáb 5/211:30 pm
HAN
- SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/9![Asiana Airlines logo]()
$671
This oojo deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
qui 4/2312:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
sex 5/11:25 pm
HAN
- SEA
1 stop15h 30m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$662
This ScholarTrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
seg 4/2711:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
ter 5/510:55 am
HAN
- SEA
1 stop37h 10m
Cathay Pacific
Deal found 3/9![Cathay Pacific logo]()
$650
One-way flights from Seattle to HanoiSearch for one-way flight options from Seattle to Hanoi. Find affordable one-way fares based on user searches. Data last updated março 13, 2026.
Search for one-way flight options from Seattle to Hanoi. Find affordable one-way fares based on user searches. Data last updated março 13, 2026.
This oojo deal was found by Cheapflights users on 3/11. 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.
sáb 4/2510:15 am
SEA
- HAN
1 stop41h 05m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$269
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
seg 4/1311:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
Deal found 3/10![Cathay Pacific logo]()
$304
This oojo deal was found by Cheapflights users on 3/11. 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.
qui 4/2312:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
Deal found 3/11![Asiana Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
seg 5/412:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/912:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$320
This Trip.com deal was found by Cheapflights users on 3/13. 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.
dom 8/211:10 pm
SEA
- HAN
1 stop35h 35m
Philippine Airlines
Deal found 3/13![Philippine Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
sex 4/1712:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
qui 4/3011:45 am
SEA
- HAN
1 stop32h 10m
Cathay Pacific
Deal found 3/10![Cathay Pacific logo]()
$326
This Asiana Airlines deal was found by Cheapflights users on 3/12. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 4/1412:55 am
SEA
- HAN
1 stop21h 20m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$330
This oojo deal was found by Cheapflights users on 3/13. 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.
seg 4/612:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$351
This FlightHub deal was found by Cheapflights users on 3/13. 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.
dom 4/512:55 am
SEA
- HAN
1 stop31h 05m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$356
Find flight deals from Seattle to Hanoi
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated março 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $497 (FlightHub) |
One-way from | $269 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $768 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 março 13, 2026.
Use the filters below to find and compare flights from Seattle to Hanoi 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
seg 5/4
7:00 am-9:35 pm
2 stops24h 35m
Hanoi Noibai
ter 5/12
11:10 pm-4:01 pm
2 stops30h 51m
$696
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sáb 8/15
6:00 pm-10:35 am
2 stops26h 35m
Hanoi Noibai
qua 9/9
12:05 pm-10:40 am
1 stop36h 35m
$755
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sex 5/8
12:50 pm-10:50 am
1 stop32h 00m
Hanoi Noibai
dom 5/17
11:10 pm-10:40 am
1 stop25h 30m
$770
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
dom 5/3
12:50 pm-10:50 am
1 stop32h 00m
Hanoi Noibai
seg 5/11
11:10 pm-10:40 am
1 stop25h 30m
$770
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
qua 4/15
1:00 pm-10:50 am
1 stop31h 50m
Hanoi Noibai
ter 4/21
11:10 pm-1:07 pm
1 stop27h 57m
$806
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sex 5/8
12:50 pm-10:50 am
1 stop32h 00m
Hanoi Noibai
sex 5/15
11:10 pm-10:40 am
1 stop25h 30m
$810
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sex 8/14
4:15 pm-10:35 am
2 stops28h 20m
Hanoi Noibai
sáb 9/19
11:10 pm-9:51 pm
2 stops36h 41m
$816
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sáb 4/11
4:32 pm-10:35 pm
2 stops40h 03m
Hanoi Noibai
qua 4/22
11:30 pm-8:57 pm
2 stops35h 27m
$1,154
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
sex 5/1
1:00 pm-10:50 am
2 stops55h 50m
Hanoi Noibai
ter 6/30
11:10 pm-10:44 pm
2 stops37h 34m
$1,155
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
dom 5/3
1:21 pm-10:00 pm
2 stops42h 39m
Hanoi Noibai
seg 5/11
11:55 pm-9:06 pm
3 stops35h 11m
$1,461
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Hanoi
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Hanoi in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Hanoi flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Hanoi
Have a flexible travel schedule? Discover the best time to fly to Hanoi from Seattle with our price prediction graph.
SEA-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 Seattle to Hanoi
Reviews of airlines servicing Hanoi
Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated março 13, 2026.
Read reviews from past customers who have flown STARLUX Airlines,EVA Air, andKorean Air from Seattle to Hanoi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Entertainment
8.8
Food
8.7
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Search flights from Seattle to Hanoi by cabin class
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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 março 13, 2026.
Seattle and Hanoi flights
Browse other Seattle and Hanoi flight options. Last updated on março 13, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on março 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Hanoi
Discover the top 7 airlines that operate flights from Seattle 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 março 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$526 | Average$716 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$588 | Average$782 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$622 | Average$713 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$638 | Average$681 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$659 | Average$814 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$758 | Average$863 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$764 | Average$971 | FlexibilityNo cancel fee | On-time74% |