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Cheap flights from Hanoi to Seattle from £396

HAN — SEA
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hanoi to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Hanoi to Seattle

Thu 12/1111:35 -
1 stop21h 35m
Sun 15/1100:10 -
1 stop25h 20m
Deal found 16/9£665
Mon 21/917:50 -
1 stop15h 25m
Sun 4/1001:15 -
1 stop25h 35m
Deal found 14/9£666
Mon 28/911:30 -
1 stop21h 45m
Mon 28/901:15 -
1 stop19h 15m
Deal found 13/9£670
Mon 19/1011:10 -
1 stop19h 00m
Tue 3/1123:45 -
1 stop19h 45m
Deal found 13/9£692
Wed 28/1023:05 -
2 stops34h 59m
Wed 4/1112:30 -
2 stops31h 40m
Deal found 12/9£761
Mon 21/923:10 -
2 stops34h 51m
Mon 5/1007:15 -
2 stops24h 20m
Deal found 14/9£761
Thu 12/1111:15 -
2 stops46h 26m
Mon 16/1110:25 -
1 stop32h 40m
Deal found 16/9£785
Sun 27/917:50 -
1 stop15h 25m
Tue 15/1200:10 -
1 stop19h 25m
Deal found 17/9£790
Tue 27/1000:25 -
2 stops29h 47m
Wed 4/1117:23 -
2 stops38h 42m
Deal found 12/9£805
Sat 26/917:50 -
1 stop15h 25m
Tue 15/1200:10 -
1 stop25h 20m
Deal found 16/9£843
Tue 27/1000:25 -
2 stops29h 47m
Wed 28/1019:04 -
2 stops38h 01m
Deal found 12/9£898

Find flight deals from Hanoi to Seattle

Round-trip from

£665

One-way from

£396

Popular in

January

Cheapest in

April

Average price

£783
China Airlines
  • China Airlines
  • 12/11-15/11
  • 2 total stops
  • 46h 55m total
  • Hanoi to Seattle
Search Deals
China Airlines
  • China Airlines
  • 11/10-31/12
  • 1 total stop
  • 21h 45m total
  • Hanoi to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Hanoi to Seattle that are best for you.

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Depart

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Cheapest return flight

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 11/10

11:30-19:15

1 stop21h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£396

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Tue 3/11

17:30-18:10

1 stop15h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£399

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 4/11

11:40-15:05

1 stop18h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£418

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Mon 1/2

12:20-22:05

2 stops24h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£444

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 31/1

00:25-21:12

3 stops35h 47m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£467

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Mon 28/9

23:35-23:26

3 stops37h 51m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£579
Fastest return journey

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 6/1

18:20-18:10

1 stop14h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£654

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 12/11

11:35-18:10

1 stop21h 35m

Seattle/Tacoma Intl

Sun 15/11

00:10-16:30

1 stop25h 20m

£665

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 28/10

11:40-16:05

1 stop18h 25m

Seattle/Tacoma Intl

Wed 4/11

23:45-10:30

1 stop19h 45m

£692

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 3/2

18:20-15:25

2 stops36h 05m

Seattle/Tacoma Intl

Tue 16/2

08:40-11:30

1 stop35h 50m

£721

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Hanoi to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hanoi with our price prediction graph.
Estimated return price

Related info for your journey

  • How long is the flight from Hanoi to Seattle?

    China Airlines, STARLUX Airlines, and Delta can get you from Hanoi to Seattle in just under 18h 25m. Your travel time can differ by up to 16h 34m. Hanoi and Seattle are separated by a distance of 6827 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Hanoi to Seattle that include hotel bookings?

    Yes. In addition to deals on Hanoi to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hanoi to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to Seattle.

  • Can I find deals for business class flights from Hanoi to Seattle?

    Yes. Cheapflights offers flight deals from Hanoi to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Federal Way
SeaTac

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Can Cheapflights find flights from Hanoi to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Hanoi shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Hanoi to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Hanoi to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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