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$276+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This FlightHub deal was found by Cheapflights users on 12/13. 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 12/307:55 pmSEA - SGN
2 stops31h 40mCathay Pacific
Sat 2/217:15 amSGN - SEA
2 stops24h 45mCathay Pacific
Deal found 12/13$1,072
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/145:11 pmSEA - SGN
2 stops38h 44mUnited Airlines
Mon 12/227:30 amSGN - SEA
3 stops28h 37mUnited Airlines
Deal found 12/14$1,098
This ScholarTrip deal was found by Cheapflights users on 12/14. 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.
Sun 12/2811:30 amSEA - SGN
1 stop20h 50mKorean Air
Wed 12/318:00 amSGN - SEA
1 stop16h 00mKorean Air
Deal found 12/14$1,115
This oojo deal was found by Cheapflights users on 12/13. 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.
Sat 12/2712:10 amSEA - SGN
1 stop18h 50mChina Airlines
Sun 1/115:50 pmSGN - SEA
1 stop15h 20mChina Airlines
Deal found 12/13$1,126
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:40 pmSEA - SGN
1 stop39h 10mMultiple Airlines
Sat 2/217:15 amSGN - SEA
2 stops24h 45mMultiple Airlines
Deal found 12/15$1,158
This oojo deal was found by Cheapflights users on 12/13. 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.
Fri 12/2611:45 pmSEA - DAD
1 stop26h 30mSTARLUX Airlines
Fri 1/306:25 pmDAD - SEA
1 stop35h 40mSTARLUX Airlines
Deal found 12/13$1,202
This ScholarTrip deal was found by Cheapflights users on 12/14. 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.
Tue 12/168:45 amSEA - SGN
1 stop39h 15mSingapore Airlines
Thu 1/297:50 pmSGN - SEA
1 stop26h 20mSingapore Airlines
Deal found 12/14$1,207
This Delta deal was found by Cheapflights users on 12/15. 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.
Mon 12/2911:30 amSEA - SGN
1 stop19h 55mDelta
Tue 1/611:50 pmSGN - SEA
2 stops35h 42mDelta
Deal found 12/15$1,230
This Delta deal was found by Cheapflights users on 12/15. 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 12/287:50 pmSEA - SGN
2 stops35h 35mDelta
Fri 1/911:50 pmSGN - SEA
2 stops35h 42mDelta
Deal found 12/15$1,240
This oojo deal was found by Cheapflights users on 12/13. 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 12/3011:30 pmSEA - SGN
1 stop19h 35mEVA Air
Fri 2/201:55 amSGN - SEA
1 stop30h 35mEVA Air
Deal found 12/13$1,242
This oojo deal was found by Cheapflights users on 12/14. 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 12/2411:45 pmSEA - SGN
1 stop26h 00mSTARLUX Airlines
Thu 1/1511:40 amSGN - SEA
1 stop18h 25mSTARLUX Airlines
Deal found 12/14$1,260
This FlightHub deal was found by Cheapflights users on 12/15. 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 12/2812:10 amSEA - DAD
1 stop30h 35mAsiana Airlines
Thu 1/811:00 pmDAD - SEA
1 stop29h 55mAsiana Airlines
Deal found 12/15$1,261

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$623
(lol.travel)

One-way from

$276
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,147
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. 20% potential increase in price ($225 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 December 2025
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 December 15, 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

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 1/28

11:00 am-9:45 pm

1 stop19h 45m

Hanoi Noibai

Wed 2/4

12:20 pm-9:00 am

1 stop35h 40m

$669

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 1/19

7:30 pm-10:55 pm

3 stops36h 25m

Ho Chi Minh City

Mon 2/2

6:00 am-12:56 am

3 stops33h 56m

$675

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 1/15

9:25 am-10:55 pm

2 stops46h 30m

Ho Chi Minh City

Thu 1/29

6:00 am-9:12 pm

3 stops30h 12m

$679

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 1/16

5:10 pm-10:55 pm

2 stops38h 45m

Ho Chi Minh City

Thu 1/29

6:00 am-1:20 pm

2 stops22h 20m

$683

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 1/18

12:35 pm-10:55 pm

3 stops43h 20m

Ho Chi Minh City

Sat 1/31

6:00 am-6:28 pm

3 stops27h 28m

$683

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 3/3

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Sat 3/14

8:00 am-2:41 pm

2 stops44h 41m

$684

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 1/18

11:00 am-9:45 pm

1 stop19h 45m

Hanoi Noibai

Tue 1/27

11:05 pm-9:00 am

1 stop24h 55m

$687

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 1/15

9:25 am-10:55 pm

2 stops46h 30m

Ho Chi Minh City

Fri 1/23

6:00 am-4:29 pm

2 stops25h 29m

$687

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 3/3

2:00 pm-11:20 pm

2 stops42h 20m

Ho Chi Minh City

Fri 3/13

8:00 am-5:09 pm

2 stops23h 09m

$689

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 1/24

7:15 am-10:25 pm

2 stops24h 10m

Ho Chi Minh City

Mon 2/9

2:05 pm-4:54 pm

2 stops41h 49m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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, January is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $542). 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.

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 December 15, 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 December 15, 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.
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
243 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
EVA Air
8.5
Very good
1,296 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Korean Air
8.4
Very good
1,186 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.3
Very good
791 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Asiana Airlines
8.2
Very good
493 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Boarding

8.9

Crew

9.2

Comfort

8.9

Overall

8.9

Food

8.7

Entertainment

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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 19h 45m. Korean Air provides one of the quickest options available for as low as $669. 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 $325 and $341 on Philippine 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, January is the cheapest month in which you can book a flight from Seattle to Vietnam (average of $542). 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

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$474Average$970FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$509Average$731FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$544Average$693FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$626Average$763FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$683Average$808FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$691Average$837FlexibilityNo cancel feeOn-time69%
ANACheapest$705Average$788FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$727Average$888FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$730Average$908FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$752Average$934FlexibilityNo cancel feeOn-time74%

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