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Cheap flights from Seattle to Vietnam from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Vietnam departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 am - 5:40 pm
SEA
-
HAN
41h 25m
1 stop
Singapore Airlines Logo
12:40 pm - 8:45 am
HAN
-
SEA
34h 05m
1 stop
$509Singapore Airlines
Thu, May 14 - Mon, May 18
Singapore Airlines Logo
10:15 am - 5:40 pm
SEA
-
HAN
41h 25m
1 stop
Singapore Airlines Logo
12:40 pm - 8:45 am
HAN
-
SEA
34h 05m
1 stop
$556Singapore Airlines
Fri, Apr 17 - Fri, Apr 24
Asiana Airlines Logo
12:10 am - 12:10 pm
SEA
-
HAN
21h 00m
1 stop
Asiana Airlines Logo
1:30 pm - 2:55 pm
HAN
-
SEA
15h 25m
1 stop
$615Asiana Airlines
Sun, Feb 15 - Mon, Mar 16
Asiana Airlines Logo
12:55 am - 10:00 pm
SEA
-
HAN
31h 05m
1 stop
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
$627Asiana Airlines
Sun, May 3 - Tue, May 12
Korean Air Logo
7:00 am - 9:35 pm
SEA
-
HAN
24h 35m
2 stops
Korean Air Logo
12:00 pm - 10:40 am
HAN
-
SEA
36h 40m
1 stop
$636Korean Air
Mon, May 4 - Tue, May 12
Korean Air Logo
7:00 am - 9:35 pm
SEA
-
HAN
24h 35m
2 stops
Korean Air Logo
11:10 pm - 4:48 pm
HAN
-
SEA
31h 38m
2 stops
$647Korean Air
Mon, May 4 - Tue, May 12
United Airlines Logo
7:12 am - 9:55 pm
SEA
-
SGN
48h 43m
2 stops
United Airlines Logo
11:15 pm - 1:12 am
SGN
-
SEA
39h 57m
2 stops
$647United Airlines
Sun, Apr 19 - Sun, May 17
United Airlines Logo
7:37 pm - 10:05 pm
SEA
-
SGN
36h 28m
3 stops
United Airlines Logo
7:00 am - 1:12 am
SGN
-
SEA
32h 12m
2 stops
$648United Airlines
Wed, Apr 15 - Thu, May 14
Delta Logo
11:00 am - 9:35 pm
SEA
-
CXR
19h 35m
1 stop
Delta Logo
11:05 pm - 7:03 pm
CXR
-
SEA
33h 58m
2 stops
$922Delta
Sun, Mar 1 - Sun, Mar 8
Delta Logo
5:59 pm - 9:35 pm
SEA
-
CXR
36h 36m
2 stops
Delta Logo
11:05 pm - 9:46 pm
CXR
-
SEA
36h 41m
2 stops
$1,241Delta
Sun, Mar 1 - Sun, Mar 8

United Airlines flights from Seattle to Vietnam

Our best United Airlines deals on Seattle to Vietnam flight tickets
United Airlines
Apr 19
SEA7:12 amSeattle/Tacoma Intl
48h 43m
2 stops
SGN9:55 pmHo Chi Minh City
May 17
SGN11:15 pmHo Chi Minh City
39h 57m
2 stops
SEA1:12 amSeattle/Tacoma Intl
$647
United Airlines
Apr 15
SEA7:37 pmSeattle/Tacoma Intl
36h 28m
3 stops
SGN10:05 pmHo Chi Minh City
May 14
SGN7:00 amHo Chi Minh City
32h 12m
2 stops
SEA1:12 amSeattle/Tacoma Intl
$648
United Airlines
Apr 15
SEA4:45 pmSeattle/Tacoma Intl
39h 20m
2 stops
SGN10:05 pmHo Chi Minh City
May 14
SGN7:00 amHo Chi Minh City
30h 29m
2 stops
SEA11:29 pmSeattle/Tacoma Intl
$650

Delta flights from Seattle to Vietnam

Our best Delta deals on Seattle to Vietnam flight tickets
Delta
Apr 17
SEA1:00 pmSeattle/Tacoma Intl
20h 15m
1 stop
SGN11:15 pmHo Chi Minh City
Apr 27
SGN7:35 amHo Chi Minh City
19h 32m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$661
Delta
Feb 16
SEA7:10 amSeattle/Tacoma Intl
38h 40m
2 stops
SGN12:50 pmHo Chi Minh City
Mar 12
SGN8:00 amHo Chi Minh City
25h 03m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$686
Delta
Feb 16
SEA11:25 amSeattle/Tacoma Intl
20h 55m
1 stop
SGN11:20 pmHo Chi Minh City
Mar 5
SGN8:00 amHo Chi Minh City
20h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$687

momondo 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, momondo users made 832,500 searches. Data last updated February 1, 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

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Thu 5/14

10:15 am-5:40 pm

1 stop41h 25m

Hanoi Noibai

Mon 5/18

12:40 pm-8:45 am

1 stop34h 05m

$509

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 4/17

10:15 am-5:40 pm

1 stop41h 25m

Hanoi Noibai

Fri 4/24

12:40 pm-8:45 am

1 stop34h 05m

$556

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 2/15

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Mon 3/16

1:30 pm-2:55 pm

1 stop15h 25m

$615

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 5/3

12:55 am-10:00 pm

1 stop31h 05m

Hanoi Noibai

Tue 5/12

1:25 pm-2:55 pm

1 stop15h 30m

$627

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 5/4

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Tue 5/12

12:00 pm-10:40 am

1 stop36h 40m

$636

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 5/4

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Tue 5/12

11:10 pm-4:48 pm

2 stops31h 38m

$647

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 4/19

7:12 am-9:55 pm

2 stops48h 43m

Ho Chi Minh City

Sun 5/17

11:15 pm-1:12 am

2 stops39h 57m

$647

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 4/15

7:37 pm-10:05 pm

3 stops36h 28m

Ho Chi Minh City

Thu 5/14

7:00 am-1:12 am

2 stops32h 12m

$648

SeattleNha Trang

SEA - CXR

SEACXR

Seattle/Tacoma Intl

Sun 3/1

11:00 am-9:35 pm

1 stop19h 35m

Nha Trang Cam Ranh

Sun 3/8

11:05 pm-7:03 pm

2 stops33h 58m

$922

SeattleNha Trang

SEA - CXR

SEACXR

Seattle/Tacoma Intl

Sun 3/1

5:59 pm-9:35 pm

2 stops36h 36m

Nha Trang Cam Ranh

Sun 3/8

11:05 pm-9:46 pm

2 stops36h 41m

$1,241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vietnam from

How to get the cheapest flight ticket from Seattle to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Vietnam?

The month of November is, on average, the cheapest month to fly to Vietnam from Seattle, with most prices found around $739. If you don’t want to visit Vietnam in November, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $744.

How far in advance should I book a flight to Vietnam?

You are more likely to see cheaper flights to Vietnam from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $883 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Seattle for as low as $745 on momondo.

Can stopping save me money on Seattle to Vietnam flights?

You could potentially save up to 18% on your flight if you consider stops on a Seattle to Vietnam flight.

Cheap Seattle to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Vietnam

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Seattle to Vietnam takes 19h 15m
There are no direct flights from Seattle to Vietnam. There are no popular flight routes from Seattle to Vietnam.
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Vietnam?

    Prices for flights from Seattle/Tacoma Intl Airport to Vietnam are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Vietnam?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Vietnam?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Vietnam.

  • What documentation or ID do you need to fly to Vietnam?

    The travel and health documents you'll need for your trip to Vietnam may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Vietnam

Compare and see reviews for airlines that fly from Seattle to Vietnam with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $400Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Korean AirPriceFrom $432Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $509Free CancellationRating
8.2
1,443 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $544Free CancellationRating
7.3
957 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $624Free CancellationRating
8.1
501 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $674Free CancellationRating
8.3
803 reviews
Search China Airlines flights
ANAPriceFrom $688Free CancellationRating
8.4
1,082 reviews
Search ANA flights
United AirlinesPriceFrom $691Free CancellationRating
7.4
9,220 reviews
Search United Airlines flights
STARLUX AirlinesPriceFrom $725Free CancellationRating
8.9
269 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $746Free CancellationRating
8.4
1,336 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Vietnam?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Vietnam from Seattle.

Can I find flights from Seattle to Vietnam with flexible booking policies on momondo?

Flights from Seattle to Vietnam with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Vietnam?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Vietnam from Seattle.

I’m not ready to book a flight from Seattle to Vietnam right now. Can momondo alert me if prices change?

Price alerts on flights to Vietnam from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Vietnam trip

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