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$303+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:15 am
SEA
-
HAN
1 stop41h 25m
Singapore Airlines
Thu 9/2412:40 pm
HAN
-
SEA
1 stop34h 05m
Singapore Airlines
Deal found 1/28$517
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Thu 9/310:15 am
SEA
-
HAN
1 stop41h 25m
Singapore Airlines
Thu 9/1712:40 pm
HAN
-
SEA
1 stop34h 05m
Singapore Airlines
Deal found 1/27$554
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Sat 8/1510:15 am
SEA
-
HAN
1 stop41h 25m
Singapore Airlines
Wed 9/912:50 pm
HAN
-
SEA
1 stop33h 55m
Singapore Airlines
Deal found 1/27$613
This CrystalTravel deal was found by Cheapflights users on 1/28. 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.
Sun 8/2312:55 am
SEA
-
HAN
1 stop21h 20m
Asiana Airlines
Sun 9/61:25 pm
HAN
-
SEA
1 stop15h 30m
Asiana Airlines
Deal found 1/28$614
This FlightHub deal was found by Cheapflights users on 1/29. 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.
Tue 9/110:15 am
SEA
-
HAN
1 stop41h 25m
Singapore Airlines
Mon 9/73:20 pm
HAN
-
SEA
1 stop31h 25m
Singapore Airlines
Deal found 1/29$615
This oojo deal was found by Cheapflights users on 1/26. 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 stop21h 20m
Asiana Airlines
Thu 4/301:25 pm
HAN
-
SEA
1 stop15h 30m
Asiana Airlines
Deal found 1/26$622
This oojo deal was found by Cheapflights users on 1/27. 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.
Thu 4/912:55 am
SEA
-
HAN
1 stop21h 20m
Asiana Airlines
Tue 4/211:25 pm
HAN
-
SEA
1 stop15h 30m
Asiana Airlines
Deal found 1/27$623
This FlightHub deal was found by Cheapflights users on 1/29. 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.
Sun 3/812:10 am
SEA
-
HAN
1 stop32h 15m
Asiana Airlines
Mon 3/161:30 pm
HAN
-
SEA
1 stop15h 25m
Asiana Airlines
Deal found 1/29$627
This FlightHub deal was found by Cheapflights users on 1/27. 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 3/812:10 am
SEA
-
HAN
1 stop32h 15m
Asiana Airlines
Sat 3/141:30 pm
HAN
-
SEA
1 stop15h 25m
Asiana Airlines
Deal found 1/27$629
This Korean Air deal was found by Cheapflights users on 1/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
SEA
-
HAN
2 stops24h 35m
Korean Air
Tue 5/1212:00 pm
HAN
-
SEA
1 stop36h 40m
Korean Air
Deal found 1/28$635
This ScholarTrip deal was found by Cheapflights users on 1/28. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:20 pm
SEA
-
HAN
1 stop31h 20m
Korean Air
Thu 9/2412:00 pm
HAN
-
SEA
2 stops22h 28m
Korean Air
Deal found 1/28$636
This Korean Air deal was found by Cheapflights users on 1/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:25 am
SEA
-
HAN
2 stops24h 20m
Korean Air
Mon 3/1611:05 pm
HAN
-
SEA
2 stops32h 04m
Korean Air
Deal found 1/27$646

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$622
(oojo)

One-way from

$303
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$763
Provider with most accurate pricing for Seattle/Tacoma Intl-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ho Chi Minh City flights.
Search Deals
From Seattle/Tacoma Intl to Vietnam
Search Deals
One-way flight from Seattle/Tacoma Intl to Vietnam
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Wed 3/11

7:25 am-9:45 pm

2 stops24h 20m

Hanoi Noibai

Mon 3/16

11:05 pm-5:09 pm

2 stops32h 04m

$646

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 3/7

12:10 am-10:25 pm

1 stop31h 15m

Hanoi Noibai

Fri 3/13

1:30 pm-2:55 pm

1 stop15h 25m

$670

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 3/6

12:10 am-10:25 pm

1 stop31h 15m

Hanoi Noibai

Fri 3/13

1:30 pm-2:55 pm

1 stop15h 25m

$670

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-2:43 pm

2 stops28h 58m

$681

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 2/16

7:10 am-11:20 pm

2 stops25h 10m

Ho Chi Minh City

Thu 3/5

8:00 am-10:25 pm

2 stops29h 25m

$686

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 3/1

5:10 pm-11:20 pm

2 stops39h 10m

Ho Chi Minh City

Tue 3/24

11:50 pm-9:48 pm

2 stops35h 58m

$692

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 4/6

7:59 pm-11:15 pm

2 stops37h 16m

Ho Chi Minh City

Mon 5/4

11:45 pm-10:20 pm

2 stops36h 35m

$692

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 3/5

7:10 am-11:20 pm

2 stops25h 10m

Ho Chi Minh City

Thu 4/9

7:35 am-10:40 am

1 stop17h 05m

$695

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 3/23

7:25 am-10:25 pm

2 stops25h 00m

Ho Chi Minh City

Wed 4/8

1:55 pm-10:40 am

1 stop34h 45m

$695

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 3/24

7:25 am-10:25 pm

2 stops25h 00m

Ho Chi Minh City

Wed 4/1

1:55 pm-10:40 am

1 stop34h 45m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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 $939). 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 January 29, 2026.
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
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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.
STARLUX Airlines
8.9
Very good
268 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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.
EVA Air
8.4
Very good
1,334 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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.
Korean Air
8.4
Very good
1,188 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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.
China Airlines
8.3
Very good
802 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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.
Asiana Airlines
8.1
Very good
501 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Crew

9.1

Boarding

8.9

Overall

8.9

Entertainment

8.8

Food

8.6

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 24h 20m. Korean Air provides one of the quickest options available for as low as $646. 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 $276. Users have also found prices from $320 and $340 on Philippine Airlines and Delta, 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, 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 $939). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$432Average$921FlexibilityNo cancel feeOn-time81%
DeltaCheapest$493Average$938FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$509Average$720FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$544Average$692FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$628Average$743FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$675Average$792FlexibilityNo cancel feeOn-time70%
ANACheapest$688Average$787FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$691Average$783FlexibilityNo cancel feeOn-time69%
STARLUX AirlinesCheapest$725Average$873FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$748Average$904FlexibilityNo cancel feeOn-time74%

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