Vietnam

$311+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Nov 28 — Dec 51
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Vietnam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 29, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$562
(oojo)

One-way from

$311
(oojo)

Popular in

June

Cheapest in

September

Average price

$771
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. 19% potential increase in price ($226 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 29, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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 11/259:30 pmSEA - HAN
1 stop37h 15mPhilippine Airlines
Thu 12/251:55 pmHAN - SEA
1 stop19h 45mPhilippine Airlines
Deal found 10/28$652
This oojo deal was found by Cheapflights users on 10/29. 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.
Wed 11/269:30 pmSEA - HAN
1 stop37h 15mPhilippine Airlines
Thu 12/251:55 pmHAN - SEA
1 stop19h 45mPhilippine Airlines
Deal found 10/29$659
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Tue 11/259:30 pmSEA - HAN
1 stop37h 15mPhilippine Airlines
Tue 12/232:50 amHAN - SEA
1 stop30h 50mPhilippine Airlines
Deal found 10/27$665
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:30 pmSEA - HAN
1 stop24h 10mPhilippine Airlines
Mon 12/222:50 amHAN - SEA
1 stop30h 50mPhilippine Airlines
Deal found 10/28$672
This CrystalTravel deal was found by Cheapflights users on 10/27. 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.
Wed 11/269:30 pmSEA - DAD
1 stop22h 55mPhilippine Airlines
Wed 12/312:25 pmDAD - SEA
1 stop21h 15mPhilippine Airlines
Deal found 10/27$687
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Mon 11/2412:10 amSEA - HAN
1 stop31h 15mAsiana Airlines
Wed 12/2411:50 pmHAN - SEA
1 stop29h 05mAsiana Airlines
Deal found 10/27$689
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:30 pmSEA - HAN
1 stop37h 15mPhilippine Airlines
Mon 12/12:50 amHAN - SEA
1 stop30h 50mPhilippine Airlines
Deal found 10/27$691
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:15 amSEA - SGN
1 stop34h 35mDelta
Thu 12/48:00 amSGN - SEA
1 stop20h 20mDelta
Deal found 10/27$691
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/2912:10 amSEA - HAN
1 stop31h 15mAsiana Airlines
Thu 12/111:30 pmHAN - SEA
1 stop15h 25mAsiana Airlines
Deal found 10/27$693
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Tue 11/1812:10 amSEA - SGN
1 stop18h 50mChina Airlines
Mon 12/811:00 amSGN - SEA
1 stop22h 10mChina Airlines
Deal found 10/28$695
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:15 amSEA - SGN
1 stop34h 35mDelta
Fri 12/52:05 pmSGN - SEA
1 stop38h 15mDelta
Deal found 10/27$696
This Gotogate deal was found by Cheapflights users on 10/27. 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 11/99:30 pmSEA - DAD
1 stop25h 00mPhilippine Airlines
Tue 11/252:30 pmDAD - SEA
1 stop19h 10mPhilippine Airlines
Deal found 10/27$697

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 October 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

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 1/27

11:25 am-12:50 pm

1 stop34h 25m

Ho Chi Minh City

Thu 2/12

8:00 am-1:20 pm

1 stop20h 20m

$691

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 1/26

12:10 am-10:50 pm

1 stop31h 40m

Ho Chi Minh City

Mon 2/16

12:10 pm-1:55 pm

1 stop16h 45m

$694

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 1/25

12:10 am-10:25 pm

1 stop31h 15m

Hanoi Noibai

Sun 2/15

11:50 pm-1:55 pm

1 stop29h 05m

$702

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 1/12

7:15 am-11:20 pm

2 stops25h 05m

Ho Chi Minh City

Fri 1/23

11:50 pm-9:00 am

1 stop24h 10m

$705

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 11/16

7:59 pm-11:20 pm

2 stops36h 21m

Ho Chi Minh City

Mon 12/15

8:00 am-9:00 am

1 stop16h 00m

$706

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 1/14

7:15 am-10:25 pm

2 stops24h 10m

Ho Chi Minh City

Thu 1/22

8:00 am-4:54 pm

2 stops23h 54m

$711

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 11/12

5:30 am-9:50 pm

2 stops25h 20m

Ho Chi Minh City

Wed 12/3

6:00 am-4:09 pm

2 stops25h 09m

$721

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 11/12

7:28 pm-10:55 pm

3 stops36h 27m

Ho Chi Minh City

Wed 11/26

6:00 am-12:59 am

3 stops33h 59m

$725

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 11/12

5:30 am-12:15 am

2 stops27h 45m

Ho Chi Minh City

Sun 11/16

6:00 am-10:30 pm

2 stops31h 30m

$725

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 11/24

5:20 pm-10:55 pm

3 stops38h 35m

Ho Chi Minh City

Wed 12/17

6:00 am-9:00 pm

3 stops30h 00m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
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, May is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $514). Flying from Seattle to Vietnam in June is currently the most expensive (average of $948). 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 October 29, 2025.

It’s optimal to fly from Seattle to Vietnam in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Vietnam?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Vietnam. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Vietnam flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 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.

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Comfort

8.9

Overall

8.9

Food

8.7

Crew

9.2

Entertainment

8.8

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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 25h 05m. Delta provides one of the quickest options available for as low as $705. There are 7410 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 $311. Users have also found prices from $363 and $365 on Delta and Asiana 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, May is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $514). Flying from Seattle to Vietnam in June is currently the most expensive (average of $948). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$509Average$792FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$544Average$701FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$628Average$774FlexibilityNo cancel feeOn-time76%
ANACheapest$688Average$797FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$689Average$826FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$691Average$830FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$707Average$971FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$728Average$890FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$736Average$923FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$760Average$951FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.