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$331+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$727
(KAYAK)

One-way from

$331
(Justfly.com)

Popular in

June

Cheapest in

March

Average price

$781
Provider with most accurate pricing for Seattle/Tacoma Intl-Ho Chi Minh City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ho Chi Minh City flights.
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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. 22% potential increase in price ($283 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Justfly.com deal was found by Cheapflights users on 3/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:15 amSEA - HAN
1 stop35h 15mSingapore Airlines
Sat 10/1812:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 3/28$684
This CrystalTravel deal was found by Cheapflights users on 3/27. 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.
Sun 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
Tue 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 3/27$705
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:10 amSEA - SGN
1 stop18h 50mChina Airlines
Sat 11/152:05 amSGN - SEA
1 stop31h 10mChina Airlines
Deal found 3/27$727
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:15 amSEA - SGN
2 stops28h 00mMultiple Airlines
Sat 5/311:15 pmSGN - SEA
1 stop29h 10mMultiple Airlines
Deal found 3/27$728
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:30 pmSEA - SGN
2 stops41h 45mUnited Airlines
Thu 10/3011:05 pmSGN - SEA
2 stops37h 13mUnited Airlines
Deal found 3/28$729
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:00 amSEA - HAN
2 stops25h 15mUnited Airlines
Sun 5/1811:35 pmHAN - SEA
2 stops30h 23mUnited Airlines
Deal found 3/27$731
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:45 pmSEA - SGN
2 stops42h 10mANA
Sat 11/111:05 pmSGN - SEA
1 stop29h 15mANA
Deal found 3/28$731
This Asiana Airlines deal was found by Cheapflights users on 3/27. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/272:00 pmSEA - SGN
1 stop18h 50mAsiana Airlines
Sun 1/1812:10 pmSGN - SEA
1 stop39h 25mAsiana Airlines
Deal found 3/27$735
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Wed 9/32:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Fri 9/191:25 pmHAN - SEA
1 stop37h 05mAsiana Airlines
Deal found 3/27$736
This oojo deal was found by Cheapflights users on 3/27. 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 5/111:10 amSEA - HAN
1 stop19h 25mChina Airlines
Tue 5/275:50 pmHAN - SEA
1 stop15h 40mChina Airlines
Deal found 3/27$748
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:15 amSEA - SGN
1 stop38h 20mSingapore Airlines
Sat 10/183:55 pmSGN - SEA
1 stop30h 50mSingapore Airlines
Deal found 3/27$755
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:00 amSEA - DAD
2 stops39h 40mMultiple Airlines
Mon 5/1911:50 pmDAD - SEA
2 stops30h 08mMultiple Airlines
Deal found 3/26$755

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 March 28, 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

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 8/5

4:30 pm-9:55 pm

1 stop39h 25m

Ho Chi Minh City

Mon 9/1

11:15 pm-8:54 pm

2 stops35h 39m

$727

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 4/26

6:15 am-12:15 am

2 stops28h 00m

Ho Chi Minh City

Sat 5/3

11:15 pm-2:25 pm

1 stop29h 10m

$728

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 4/22

5:10 pm-12:15 am

2 stops41h 05m

Ho Chi Minh City

Mon 5/19

11:15 pm-9:31 pm

3 stops36h 16m

$729

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 8/8

1:20 pm-10:05 pm

1 stop18h 45m

Ho Chi Minh City

Mon 9/8

11:45 pm-10:40 am

1 stop24h 55m

$731

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 5/11

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Sun 5/18

11:35 pm-3:58 pm

2 stops30h 23m

$731

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 9/3

2:15 pm-10:00 pm

1 stop17h 45m

Hanoi Noibai

Fri 9/19

1:25 pm-12:30 pm

1 stop37h 05m

$736

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 8/5

1:40 am-9:40 am

1 stop18h 00m

Ho Chi Minh City

Sat 9/6

10:50 am-7:45 pm

1 stop22h 55m

$738

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 4/19

2:15 pm-11:05 am

1 stop30h 50m

Ho Chi Minh City

Thu 5/15

12:05 am-12:30 pm

1 stop26h 25m

$740

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 5/11

1:10 am-10:35 am

1 stop19h 25m

Hanoi Noibai

Tue 5/27

5:50 pm-7:30 pm

1 stop15h 40m

$748

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Thu 5/15

7:00 am-12:40 pm

2 stops39h 40m

Da Nang

Mon 5/19

11:50 pm-3:58 pm

2 stops30h 08m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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 $935). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,572). 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 March 28, 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.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 March 28, 2025.
To help decide which airline to fly from Seattle to Vietnam, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. 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.
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,169 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,050 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
829 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.1

Boarding

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 Singapore Airlines. According to our data, you can fly for as low as $331. Users have also found prices from $394 and $399 on United Airlines and ANA, 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, March is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $935). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,572). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$639Average$820FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$655Average$1,037FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$691Average$1,178FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$693Average$795FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$729Average$1,006FlexibilityNo cancel feeOn-time81%
DeltaCheapest$736Average$967FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$737Average$855FlexibilityNo cancel feeOn-time70%
Japan AirlinesCheapest$765Average$1,043FlexibilityNo cancel feeOn-time79%
ANACheapest$766Average$974FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$770Average$934FlexibilityNo cancel feeOn-timeN/A
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