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Cheap flights from Seattle to Vietnam from $277

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 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:45 am - 3:40 pmSEA-DAD
39h 55m1 stop
Singapore Airlines Logo
11:50 am - 7:10 amDAD-SEA
34h 20m1 stop
$633Singapore Airlines
Find Deal
Fri, Feb 6 - Thu, Feb 26
Philippine Airlines Logo
9:30 pm - 1:45 amSEA-HAN
37h 15m1 stop
Philippine Airlines Logo
2:50 am - 7:40 pmHAN-SEA
30h 50m1 stop
$653Philippine Airlines
Find Deal
Wed, Mar 4 - Wed, Mar 18
Asiana Airlines Logo
12:10 am - 12:10 pmSEA-HAN
21h 00m1 stop
Asiana Airlines Logo
1:30 pm - 2:55 pmHAN-SEA
15h 25m1 stop
$668Asiana Airlines
Find Deal
Sat, Feb 21 - Mon, Mar 9
China Airlines Logo
1:10 am - 9:40 amSEA-SGN
18h 30m1 stop
China Airlines Logo
10:50 am - 7:30 pmSGN-SEA
22h 40m1 stop
$688China Airlines
Find Deal
Sat, Apr 4 - Mon, Apr 20
China Airlines Logo
12:10 am - 4:50 pmSEA-SGN
25h 40m1 stop
China Airlines Logo
5:50 pm - 6:10 pmSGN-SEA
15h 20m1 stop
$689China Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 9
Asiana Airlines Logo
12:10 am - 11:00 amSEA-SGN
20h 50m1 stop
Asiana Airlines Logo
12:10 pm - 2:55 pmSGN-SEA
16h 45m1 stop
$692Asiana Airlines
Find Deal
Sat, Mar 14 - Sat, Mar 28
Korean Air Logo
11:00 am - 11:20 pmSEA-SGN
21h 20m1 stop
Korean Air Logo
2:05 pm - 9:00 amSGN-SEA
33h 55m1 stop
$699Korean Air
Find Deal
Sat, Jan 17 - Sun, Jan 25
Korean Air Logo
7:15 am - 10:25 pmSEA-SGN
24h 10m2 stops
Korean Air Logo
8:00 am - 9:00 amSGN-SEA
16h 00m1 stop
$700Korean Air
Find Deal
Mon, Jan 12 - Tue, Jan 20
EVA Air Logo
11:30 pm - 11:40 amSEA-DAD
21h 10m1 stop
EVA Air Logo
1:00 pm - 5:30 pmDAD-SEA
19h 30m1 stop
$753EVA Air
Find Deal
Tue, Nov 25 - Tue, Dec 2
EVA Air Logo
12:10 am - 11:35 amSEA-HAN
20h 25m1 stop
EVA Air Logo
6:20 pm - 7:10 pmHAN-SEA
14h 50m1 stop
$758EVA Air
Find Deal
Tue, Mar 3 - Wed, Mar 18

China Airlines flights from Seattle to Vietnam

Our best China Airlines deals on Seattle to Vietnam flight tickets
China Airlines
Apr 4
SEA1:10 amSeattle/Tacoma Intl
18h 30m
1 stop
SGN9:40 amHo Chi Minh City
Apr 20
SGN10:50 amHo Chi Minh City
22h 40m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
$688
Find similar
China Airlines
Nov 29
SEA12:10 amSeattle/Tacoma Intl
25h 40m
1 stop
SGN4:50 pmHo Chi Minh City
Dec 9
SGN5:50 pmHo Chi Minh City
15h 20m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$689
Find similar
China Airlines
Jan 12
SEA12:10 amSeattle/Tacoma Intl
18h 50m
1 stop
SGN10:00 amHo Chi Minh City
Jan 25
SGN5:50 pmHo Chi Minh City
15h 20m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$690
Find similar

Korean Air flights from Seattle to Vietnam

Our best Korean Air deals on Seattle to Vietnam flight tickets
Korean Air
Jan 17
SEA11:00 amSeattle/Tacoma Intl
21h 20m
1 stop
SGN11:20 pmHo Chi Minh City
Jan 25
SGN2:05 pmHo Chi Minh City
33h 55m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$699
Find similar
Korean Air
Jan 12
SEA7:15 amSeattle/Tacoma Intl
24h 10m
2 stops
SGN10:25 pmHo Chi Minh City
Jan 20
SGN8:00 amHo Chi Minh City
16h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$700
Find similar
Korean Air
Jan 24
SEA11:00 amSeattle/Tacoma Intl
34h 50m
1 stop
SGN12:50 pmHo Chi Minh City
Feb 7
SGN8:00 amHo Chi Minh City
16h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$704
Find similar

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 November 3, 2025.
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

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Fri 2/6

8:45 am-3:40 pm

1 stop39h 55m

Da Nang

Thu 2/26

11:50 am-7:10 am

1 stop34h 20m

$633

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-1:45 am

1 stop37h 15m

Hanoi Noibai

Wed 3/18

2:50 am-7:40 pm

1 stop30h 50m

$653

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 2/21

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Mon 3/9

1:30 pm-2:55 pm

1 stop15h 25m

$668

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 4/4

1:10 am-9:40 am

1 stop18h 30m

Ho Chi Minh City

Mon 4/20

10:50 am-7:30 pm

1 stop22h 40m

$688

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 11/29

12:10 am-4:50 pm

1 stop25h 40m

Ho Chi Minh City

Tue 12/9

5:50 pm-6:10 pm

1 stop15h 20m

$689

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 3/14

12:10 am-11:00 am

1 stop20h 50m

Ho Chi Minh City

Sat 3/28

12:10 pm-2:55 pm

1 stop16h 45m

$692

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 1/17

11:00 am-11:20 pm

1 stop21h 20m

Ho Chi Minh City

Sun 1/25

2:05 pm-9:00 am

1 stop33h 55m

$699

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 1/12

7:15 am-10:25 pm

2 stops24h 10m

Ho Chi Minh City

Tue 1/20

8:00 am-9:00 am

1 stop16h 00m

$700

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Tue 11/25

11:30 pm-11:40 am

1 stop21h 10m

Da Nang

Tue 12/2

1:00 pm-5:30 pm

1 stop19h 30m

$753

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 3/3

12:10 am-11:35 am

1 stop20h 25m

Hanoi Noibai

Wed 3/18

6:20 pm-7:10 pm

1 stop14h 50m

$758

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 September is, on average, the cheapest month to fly to Vietnam from Seattle, with most prices found around $755. If you don’t want to visit Vietnam in September, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $763.

What is the cheapest day to depart on your flight to Vietnam?

According to our data, Monday is the cheapest day to fly to Vietnam from Seattle. The lowest ticket price found for a Monday departure recently was $974. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Saturday is $1,111.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $985 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,204 per ticket.

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 $912 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 $760 on momondo.

Can stopping save me money on Seattle to Vietnam flights?

You could potentially save up to 29% 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

Direct flights

None
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
Korean AirPriceFrom $474Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $509Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $544Free CancellationRating
7.3
932 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $628Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $686Free CancellationRating
8.3
776 reviews
Search China Airlines flights
ANAPriceFrom $688Free CancellationRating
8.4
1,000 reviews
Search ANA flights
United AirlinesPriceFrom $691Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
STARLUX AirlinesPriceFrom $726Free CancellationRating
8.9
219 reviews
Search STARLUX Airlines flights
DeltaPriceFrom $736Free CancellationRating
7.9
8,002 reviews
Search Delta flights
EVA AirPriceFrom $761Free CancellationRating
8.4
1,270 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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