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$332+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$728
(United Airlines)

One-way from

$391
(oojo)

Popular in

June

Cheapest in

March

Average price

$783
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. 21% potential increase in price ($263 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This oojo deal was found by Cheapflights users on 4/22. 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 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
Tue 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 4/22$695
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Fri 9/2610:15 amSEA - HAN
1 stop35h 15mSingapore Airlines
Sat 10/1112:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 4/22$717
This oojo deal was found by Cheapflights users on 4/22. 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 9/31:30 pmSEA - HAN
2 stops38h 45mJapan Airlines
Fri 9/197:20 pmHAN - SEA
2 stops29h 05mJapan Airlines
Deal found 4/22$725
This United Airlines deal was found by Cheapflights users on 4/21. 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
1 stop39h 25mUnited Airlines
Mon 10/1311:15 pmSGN - SEA
3 stops35h 51mUnited Airlines
Deal found 4/21$728
This oojo deal was found by Cheapflights users on 4/22. 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.
Tue 4/221:10 amSEA - SGN
1 stop18h 30mChina Airlines
Sun 5/185:30 pmSGN - SEA
1 stop16h 00mChina Airlines
Deal found 4/22$729
This Gotogate deal was found by Cheapflights users on 4/22. 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.
Mon 5/124:30 pmSEA - DAD
1 stop30h 10mMultiple Airlines
Mon 5/1911:50 pmDAD - SEA
1 stop28h 35mMultiple Airlines
Deal found 4/22$730
This FlightHub deal was found by Cheapflights users on 4/22. 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 8/67:00 amSEA - SGN
2 stops27h 15mANA
Sat 9/67:00 amSGN - SEA
1 stop21h 25mANA
Deal found 4/22$731
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Thu 11/278:45 amSEA - SGN
1 stop39h 20mSingapore Airlines
Thu 12/254:15 pmSGN - SEA
1 stop29h 55mSingapore Airlines
Deal found 4/22$738
This ANA deal was found by Cheapflights users on 4/22. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:15 amSEA - SGN
2 stops28h 00mMultiple Airlines
Sun 5/2511:15 pmSGN - SEA
1 stop29h 10mMultiple Airlines
Deal found 4/22$746
This Gurufare deal was found by Cheapflights users on 4/20. 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.
Thu 5/86:15 amSEA - SGN
2 stops29h 20mChina Eastern
Wed 5/282:35 amSGN - SEA
2 stops28h 10mChina Eastern
Deal found 4/20$747
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Tue 5/67:00 amSEA - HAN
2 stops25h 15mANA
Fri 5/911:35 pmHAN - SEA
2 stops35h 56mANA
Deal found 4/22$755
This oojo deal was found by Cheapflights users on 4/22. 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.
Thu 9/251:10 amSEA - HAN
1 stop19h 25mChina Airlines
Sat 10/115:50 pmHAN - SEA
1 stop15h 30mChina Airlines
Deal found 4/22$759

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 April 22, 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 8/31

1:40 am-4:35 pm

1 stop24h 55m

Da Nang

Tue 9/30

5:35 pm-7:20 pm

1 stop15h 45m

$695

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 10/6

4:30 pm-9:55 pm

1 stop39h 25m

Ho Chi Minh City

Mon 10/13

11:15 pm-9:06 pm

3 stops35h 51m

$728

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 5/4

1:10 am-4:20 pm

1 stop25h 10m

Ho Chi Minh City

Sun 5/11

5:30 pm-7:30 pm

1 stop16h 00m

$729

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Mon 5/12

4:30 pm-12:40 pm

1 stop30h 10m

Da Nang

Mon 5/19

11:50 pm-2:25 pm

1 stop28h 35m

$730

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 8/6

7:00 am-12:15 am

2 stops27h 15m

Ho Chi Minh City

Sat 9/6

7:00 am-2:25 pm

1 stop21h 25m

$731

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 8/17

1:40 am-4:20 pm

1 stop24h 40m

Ho Chi Minh City

Tue 9/2

11:20 am-7:45 pm

1 stop22h 25m

$738

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 5/8

6:15 am-1:35 am

2 stops29h 20m

Ho Chi Minh City

Wed 5/28

2:35 am-4:45 pm

2 stops28h 10m

$747

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 8/19

10:15 am-6:25 pm

1 stop42h 10m

Ho Chi Minh City

Tue 9/2

3:55 pm-8:54 am

2 stops30h 59m

$748

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 5/6

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Fri 5/9

11:35 pm-9:31 pm

2 stops35h 56m

$755

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 9/10

12:45 pm-11:15 pm

1 stop20h 30m

Ho Chi Minh City

Fri 9/19

7:35 am-1:40 pm

1 stop20h 05m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 $922). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,566). 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 April 22, 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 April 22, 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
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,180 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,062 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,450 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 China Airlines. According to our data, you can fly for as low as $391. Users have also found prices from $393 and $399 on ANA and United 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 $922). Flying from Seattle to Vietnam in June is currently the most expensive (average of $1,566). 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$1,037FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$810FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$691Average$1,178FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$692Average$783FlexibilityNo cancel feeOn-time60%
China AirlinesCheapest$724Average$853FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$727Average$987FlexibilityNo cancel feeOn-time81%
DeltaCheapest$736Average$961FlexibilityNo cancel feeOn-timeN/A
ANACheapest$745Average$886FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$765Average$1,035FlexibilityNo cancel feeOn-time79%
STARLUX AirlinesCheapest$776Average$931FlexibilityNo cancel feeOn-timeN/A

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