Vietnam

$305+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Apr 29 — May 61
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Cheap 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 30, 2026.

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.
Sun 8/1610:15 am
SEA
-
DAD
1 stop39h 40m
Singapore Airlines
Mon 9/2111:55 am
DAD
-
SEA
1 stop34h 50m
Singapore Airlines
Deal found 3/27$492
This FlightHub deal was found by Cheapflights users on 3/29. 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.
Thu 9/310:15 am
SEA
-
DAD
1 stop39h 40m
Singapore Airlines
Mon 9/1411:55 am
DAD
-
SEA
1 stop34h 50m
Singapore Airlines
Deal found 3/29$516
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.
Thu 9/1010:15 am
SEA
-
HAN
1 stop39h 10m
Singapore Airlines
Sat 9/1912:40 pm
HAN
-
SEA
1 stop34h 05m
Singapore Airlines
Deal found 3/28$546
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:55 am
SEA
-
HAN
1 stop31h 05m
Asiana Airlines
Mon 6/1511:30 pm
HAN
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/26$589
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:55 am
SEA
-
HAN
1 stop21h 20m
Asiana Airlines
Sun 9/2011:30 pm
HAN
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/26$625
This oojo deal was found by Cheapflights users on 3/30. 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.
Mon 8/3112:55 am
SEA
-
HAN
1 stop31h 05m
Asiana Airlines
Mon 9/711:30 pm
HAN
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/30$634
This oojo deal was found by Cheapflights users on 3/30. 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 9/112:55 am
SEA
-
SGN
1 stop31h 45m
Asiana Airlines
Tue 9/1512:05 pm
SGN
-
SEA
1 stop16h 50m
Asiana Airlines
Deal found 3/30$639
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:55 am
SEA
-
SGN
1 stop20h 05m
Asiana Airlines
Thu 10/2912:10 pm
SGN
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 3/28$640
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.
Tue 9/2912:55 am
SEA
-
SGN
1 stop31h 45m
Asiana Airlines
Mon 1/2512:10 pm
SGN
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 3/27$642
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:10 am
SEA
-
SGN
1 stop31h 40m
Asiana Airlines
Mon 12/712:10 pm
SGN
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 3/26$643
This oojo deal was found by Cheapflights users on 3/30. 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 10/2712:10 am
SEA
-
HAN
1 stop22h 00m
Asiana Airlines
Sun 11/811:50 pm
HAN
-
SEA
1 stop29h 05m
Asiana Airlines
Deal found 3/30$644
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:10 am
SEA
-
HAN
1 stop31h 15m
Asiana Airlines
Wed 11/1111:50 pm
HAN
-
SEA
1 stop29h 05m
Asiana Airlines
Deal found 3/28$651

Find 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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(FlightHub)

One-way from

$305
(oojo)

Popular in

December

Cheapest in

April

Average price

$763
Provider with most accurate pricing for Seattle/Tacoma Intl-Ho Chi Minh City flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ho Chi Minh City flights.
From Seattle/Tacoma Intl to Vietnam
One-way flight from Seattle/Tacoma Intl to Vietnam
Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 30, 2026.
Use the filters below to find and compare flights from Seattle to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 4/21

12:50 pm-9:35 pm

1 stop18h 45m

Hanoi Noibai

Thu 5/21

12:05 pm-10:55 pm

2 stops24h 50m

$790

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 4/20

12:50 pm-9:35 pm

1 stop18h 45m

Hanoi Noibai

Thu 5/21

12:05 pm-10:55 pm

2 stops24h 50m

$790

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 5/3

12:50 pm-12:35 pm

1 stop33h 45m

Ho Chi Minh City

Wed 5/20

1:55 pm-10:40 am

1 stop34h 45m

$814

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 4/24

7:00 am-11:15 pm

2 stops26h 15m

Ho Chi Minh City

Mon 6/1

11:45 pm-8:28 pm

2 stops34h 43m

$819

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 4/17

1:00 pm-12:35 pm

1 stop33h 35m

Ho Chi Minh City

Sat 5/16

7:30 am-1:11 pm

1 stop19h 41m

$827

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 4/26

7:59 pm-10:10 pm

2 stops36h 11m

Ho Chi Minh City

Sun 5/10

11:45 pm-10:55 pm

2 stops37h 10m

$836

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 4/18

12:50 pm-11:15 pm

1 stop20h 25m

Ho Chi Minh City

Thu 7/9

1:55 pm-11:00 am

1 stop35h 05m

$854
Quickest round-trip

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 5/11

12:50 pm-11:15 pm

1 stop20h 25m

Ho Chi Minh City

Wed 5/27

7:30 am-10:40 am

1 stop17h 10m

$865

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 5/10

4:20 pm-12:35 pm

2 stops30h 15m

Ho Chi Minh City

Sun 5/24

7:30 am-4:01 pm

2 stops22h 31m

$869

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 5/9

7:15 am-9:35 pm

2 stops24h 20m

Hanoi Noibai

Sun 5/17

11:10 pm-8:30 pm

2 stops35h 20m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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, February is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $493). Flying from Seattle to Vietnam in June is currently the most expensive (average of $716). 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.

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 30, 2026.
Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andKorean 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.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Entertainment

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Food

8.7

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 18h 45m. Korean Air provides one of the quickest options available for as low as $790. 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 $243. Users have also found prices from $307 and $310 on ANA and United Airlines, respectively.

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

  • 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, February is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $493). Flying from Seattle to Vietnam in June is currently the most expensive (average of $716). 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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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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$400Average$905FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$432Average$849FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$493Average$677FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$544Average$692FlexibilityNo cancel feeOn-time60%
Cathay PacificCheapest$606Average$920FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$613Average$738FlexibilityNo cancel feeOn-time76%
ANACheapest$616Average$778FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$633Average$790FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$651Average$791FlexibilityNo cancel feeOn-time69%
STARLUX AirlinesCheapest$725Average$860FlexibilityNo cancel feeOn-timeN/A

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