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$279+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Vietnam

Keep the following information in mind while searching for Seattle to Vietnam flight deals. Data was last updated September 11, 2025.

Round-trip from

$506
(FlightHub)

One-way from

$279
(FlightHub)

Popular in

June

Cheapest in

March

Average price

$796
From Seattle/Tacoma Intl to Vietnam
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One-way flight from Seattle/Tacoma Intl to Vietnam
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Highest demand for flights based on searches. 18% potential increase in price ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Vietnam

Cheapest flights from Seattle to Vietnam
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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/9. 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.
Sun 11/98:45 amSEA - DAD
1 stop39h 55mSingapore Airlines
Thu 11/204:30 pmDAD - SEA
1 stop29h 40mSingapore Airlines
Deal found 9/9$635
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:35 pmSEA - HAN
1 stop35h 55mPhilippine Airlines
Sat 10/42:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 9/11$636
This oojo deal was found by Cheapflights users on 9/11. 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.
Wed 9/2411:35 pmSEA - HAN
1 stop35h 10mPhilippine Airlines
Tue 10/142:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 9/11$643
This CrystalTravel deal was found by Cheapflights users on 9/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Wed 9/2411:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 9/9$655
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:30 pmSEA - HAN
1 stop37h 20mPhilippine Airlines
Tue 12/22:45 pmHAN - SEA
1 stop18h 50mPhilippine Airlines
Deal found 9/10$659
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sun 9/142:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Tue 9/231:25 pmHAN - SEA
1 stop37h 05mAsiana Airlines
Deal found 9/9$661
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/212:15 pmSEA - HAN
1 stop32h 00mAsiana Airlines
Sun 10/511:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 9/11$665
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Sun 10/1911:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 9/11$666
This oojo deal was found by Cheapflights users on 9/11. 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.
Fri 11/288:45 amSEA - SGN
1 stop42h 55mSingapore Airlines
Fri 12/2612:15 pmSGN - SEA
1 stop33h 55mSingapore Airlines
Deal found 9/11$669
This oojo deal was found by Cheapflights users on 9/9. 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.
Sun 11/98:45 amSEA - DAD
1 stop35h 15mSingapore Airlines
Thu 11/1311:50 amDAD - SEA
1 stop34h 20mSingapore Airlines
Deal found 9/9$669
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:15 pmSEA - SGN
1 stop18h 30mAsiana Airlines
Sat 10/1812:05 amSGN - SEA
1 stop26h 25mAsiana Airlines
Deal found 9/11$672
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:30 pmSEA - SGN
1 stop20h 10mPhilippine Airlines
Wed 12/103:40 pmSGN - SEA
1 stop17h 55mPhilippine Airlines
Deal found 9/9$674

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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Vietnam that are best for you.

Fly from

Seattle

Fly to

Vietnam

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 11/15

12:10 am-10:00 pm

1 stop30h 50m

Hanoi Noibai

Sat 12/13

11:30 pm-1:55 pm

1 stop29h 25m

$691

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 11/17

11:00 am-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Sat 12/13

11:50 pm-9:00 am

1 stop24h 10m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 11/20

11:00 am-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Mon 12/8

8:00 am-9:00 am

1 stop16h 00m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 11/20

11:00 am-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Tue 12/9

8:00 am-9:00 am

1 stop16h 00m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 11/18

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Mon 12/8

2:05 pm-9:00 am

1 stop33h 55m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 11/18

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Wed 12/10

2:05 pm-9:00 am

1 stop33h 55m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 11/19

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Sun 12/7

2:05 pm-9:00 am

1 stop33h 55m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 11/16

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Sat 12/13

2:05 pm-9:00 am

1 stop33h 55m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 10/28

12:00 pm-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Tue 11/11

2:05 pm-9:00 am

1 stop33h 55m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 11/20

11:00 am-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Sat 12/13

2:05 pm-9:00 am

1 stop33h 55m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 56 results
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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.
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

What is the cheapest month to book a flight from Seattle to Vietnam?

Currently, September is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $883). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,426). 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.

What is the cheapest time of day to fly from SEA to VN?

Find hourly flight availability from Seattle to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Vietnam as you normally would.

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 September 11, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean 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.
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,236 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,139 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
767 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very good
479 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • What airport do you fly from for flights from Seattle to Vietnam?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Vietnam.

  • How long is the flight from Seattle to Vietnam?

    A quick flight from Seattle to Vietnam can take about 19h. Asiana Airlines provides one of the quickest options available for as low as $729. There are 6827 mi between Seattle and Vietnam. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Vietnam one-way?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $279. Users have also found prices from $358 and $363 on Asiana Airlines and Philippine Airlines, respectively.

  • What are the most popular routes from Seattle to Vietnam?

    The most popular flight routes from Seattle to Vietnam are Seattle/Tacoma Intl - Ho Chi Minh City, Seattle/Tacoma Intl - Da Nang and Seattle/Tacoma Intl - Hanoi Noibai.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Seattle to Vietnam?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $883). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,426). 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.

See more FAQs

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Alternative routes for Seattle to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$509Average$857FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$638Average$783FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$658Average$743FlexibilityNo cancel feeOn-time60%
ANACheapest$688Average$807FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$691Average$1,078FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$695Average$848FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$708Average$975FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$717Average$1,033FlexibilityNo cancel feeOn-time79%
DeltaCheapest$736Average$941FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$756Average$912FlexibilityNo cancel feeOn-timeN/A

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