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$335+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$668
(FlightHub)

One-way from

$335
(CrystalTravel)

Popular in

June

Cheapest in

March

Average price

$1,138
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. 17% potential increase in price ($201 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 July 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 July 29, 2025.

This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:45 amSEA - DAD
1 stop39h 55mSingapore Airlines
Fri 10/3111:50 amDAD - SEA
1 stop34h 20mSingapore Airlines
Deal found 7/27$668
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:35 pmSEA - HAN
1 stop35h 55mPhilippine Airlines
Sat 9/202:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 7/27$669
This CrystalTravel deal was found by Cheapflights users on 7/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:30 pmSEA - DAD
1 stop30h 10mMultiple Airlines
Wed 11/1212:35 amDAD - SEA
1 stop27h 45mMultiple Airlines
Deal found 7/27$681
This oojo deal was found by Cheapflights users on 7/27. 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.
Sat 11/1512:10 amSEA - HAN
1 stop30h 50mAsiana Airlines
Sat 12/1311:30 pmHAN - SEA
1 stop29h 25mAsiana Airlines
Deal found 7/27$687
This CrystalTravel deal was found by Cheapflights users on 7/26. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:20 pmSEA - HAN
1 stop18h 15mKorean Air
Mon 9/111:10 pmHAN - SEA
1 stop25h 30mKorean Air
Deal found 7/26$689
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:30 pmSEA - SGN
1 stop39h 25mANA
Sun 9/2811:15 pmSGN - SEA
2 stops33h 21mANA
Deal found 7/29$692
This Asiana Airlines deal was found by Cheapflights users on 7/29. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:10 amSEA - SGN
1 stop31h 40mAsiana Airlines
Thu 12/1812:10 pmSGN - SEA
1 stop16h 45mAsiana Airlines
Deal found 7/29$694
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/304:40 pmSEA - SGN
1 stop39h 10mUnited Airlines
Sun 12/1411:05 pmSGN - SEA
1 stop29h 15mUnited Airlines
Deal found 7/29$696
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:15 amSEA - SGN
2 stops24h 50mKorean Air
Thu 10/27:35 amSGN - SEA
1 stop17h 05mKorean Air
Deal found 7/28$697
This oojo deal was found by Cheapflights users on 7/27. 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.
Sun 9/71:40 amSEA - SGN
1 stop18h 00mChina Airlines
Sun 9/2810:50 amSGN - SEA
1 stop22h 30mChina Airlines
Deal found 7/27$699
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:40 amSEA - DAD
1 stop24h 55mChina Airlines
Thu 9/259:50 amDAD - SEA
1 stop23h 30mChina Airlines
Deal found 7/29$724
This CrystalTravel deal was found by Cheapflights users on 7/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:15 pmSEA - DAD
1 stop17h 20mAsiana Airlines
Fri 9/2611:00 pmDAD - SEA
1 stop27h 30mAsiana Airlines
Deal found 7/28$732

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 July 29, 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

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 10/26

9:45 am-3:40 pm

1 stop39h 55m

Da Nang

Fri 10/31

11:50 am-8:10 am

1 stop34h 20m

$668

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 9/7

11:35 pm-1:30 am

1 stop35h 55m

Hanoi Noibai

Sat 9/20

2:30 am-7:15 pm

1 stop30h 45m

$669

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Tue 9/23

4:30 pm-12:40 pm

1 stop30h 10m

Da Nang

Wed 11/12

12:35 am-1:20 pm

1 stop27h 45m

$681

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/1

2:15 pm-12:15 pm

1 stop32h 00m

Hanoi Noibai

Wed 4/1

11:30 pm-2:55 pm

1 stop29h 25m

$687

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 8/25

1:20 pm-9:35 pm

1 stop18h 15m

Hanoi Noibai

Mon 9/1

11:10 pm-10:40 am

1 stop25h 30m

$689

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 8/25

1:40 am-9:40 am

1 stop18h 00m

Ho Chi Minh City

Tue 9/2

11:20 am-7:45 pm

1 stop22h 25m

$692

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 11/3

12:10 am-10:50 pm

1 stop31h 40m

Ho Chi Minh City

Wed 12/17

12:10 am-1:55 pm

1 stop28h 45m

$694

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 10/30

4:40 pm-9:50 pm

1 stop39h 10m

Ho Chi Minh City

Sun 12/14

11:05 pm-1:20 pm

1 stop29h 15m

$696

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 9/11

7:15 am-10:05 pm

2 stops24h 50m

Ho Chi Minh City

Thu 10/2

7:35 am-10:40 am

1 stop17h 05m

$697

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 9/7

1:40 am-4:20 pm

1 stop24h 40m

Ho Chi Minh City

Sun 9/28

5:30 pm-7:20 pm

1 stop15h 50m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 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, March is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $915). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,431). 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 July 29, 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 July 29, 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
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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
9.0
Wonderful
198 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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
1,221 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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
1,121 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
ANA
8.4
Very good
922 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
Japan Airlines
8.3
Very good
1,535 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.

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

    For one-way options, check prices for Asiana Airlines. According to our data, you can fly for as low as $335. Users have also found prices from $344 and $363 on Korean Air and China 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 - Hanoi Noibai and Seattle/Tacoma Intl - Da Nang.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $915). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,431). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$604Average$874FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$799FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$682Average$755FlexibilityNo cancel feeOn-time60%
ANACheapest$688Average$848FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$691Average$1,041FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$703Average$853FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$712Average$963FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$717Average$900FlexibilityNo cancel feeOn-time79%
DeltaCheapest$736Average$902FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$763Average$932FlexibilityNo cancel feeOn-timeN/A

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