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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.
1 adult
0 bags

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Find the cheapest flights from Seattle to Vietnam

Cheap round-trip flights

Singapore Airlines Logo
8:45 am - 11:00 amSEA-DAD
35h 15m1 stop
Singapore Airlines Logo
4:30 pm - 7:10 amDAD-SEA
29h 40m1 stop
$504Singapore Airlines
Find Deal
vie., ene. 23 - vie., feb. 6
Singapore Airlines Logo
8:45 am - 3:40 pmSEA-DAD
39h 55m1 stop
Singapore Airlines Logo
5:35 pm - 8:10 amDAD-SEA
28h 35m1 stop
$579Singapore Airlines
Find Deal
mar., feb. 24 - mié., mar. 11
Asiana Airlines Logo
12:10 am - 10:00 pmSEA-HAN
30h 50m1 stop
Asiana Airlines Logo
11:30 pm - 2:55 pmHAN-SEA
29h 25m1 stop
$668Asiana Airlines
Find Deal
dom., feb. 22 - mar., mar. 24
China Airlines Logo
1:10 am - 4:50 pmSEA-SGN
25h 40m1 stop
China Airlines Logo
5:50 pm - 6:10 pmSGN-SEA
15h 20m1 stop
$671China Airlines
Find Deal
jue., oct. 30 - dom., nov. 9
Asiana Airlines Logo
12:10 am - 11:00 amSEA-SGN
19h 50m1 stop
Asiana Airlines Logo
12:10 am - 1:55 pmSGN-SEA
28h 45m1 stop
$673Asiana Airlines
Find Deal
dom., feb. 1 - dom., feb. 15
China Airlines Logo
12:10 am - 10:00 amSEA-SGN
18h 50m1 stop
China Airlines Logo
5:50 pm - 6:10 pmSGN-SEA
15h 20m1 stop
$680China Airlines
Find Deal
lun., ene. 5 - jue., ene. 22
Korean Air Logo
11:00 am - 11:10 amSEA-HAN
33h 10m1 stop
Korean Air Logo
12:20 pm - 9:00 amHAN-SEA
35h 40m1 stop
$695Korean Air
Find Deal
lun., nov. 10 - mar., nov. 18
Korean Air Logo
7:10 am - 10:05 pmSEA-SGN
24h 55m2 stops
Korean Air Logo
11:50 pm - 9:00 amSGN-SEA
24h 10m1 stop
$700Korean Air
Find Deal
mié., oct. 22 - mié., nov. 12
EVA Air Logo
1:10 am - 10:05 amSEA-SGN
18h 55m1 stop
EVA Air Logo
12:45 pm - 6:10 pmSGN-SEA
20h 25m1 stop
$723EVA Air
Find Deal
lun., oct. 27 - mié., nov. 5
EVA Air Logo
12:30 am - 11:35 amSEA-DAD
21h 05m1 stop
EVA Air Logo
12:55 pm - 7:30 pmDAD-SEA
20h 35m1 stop
$773EVA Air
Find Deal
mar., oct. 14 - mié., oct. 22

Korean Air flights from Seattle to Vietnam

Our best Korean Air deals on Seattle to Vietnam flight tickets
Korean Air
Nov 10
SEA11:00 amSeattle/Tacoma Intl
33h 10m
1 stop
HAN11:10 amHanoi Noibai
Nov 18
HAN12:20 pmHanoi Noibai
35h 40m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$695
Find similar
Korean Air
Sep 18
SEA7:15 amSeattle/Tacoma Intl
24h 50m
2 stops
SGN10:05 pmHo Chi Minh City
Sep 27
SGN1:55 pmHo Chi Minh City
34h 45m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$700
Find similar
Korean Air
Jan 27
SEA11:00 amSeattle/Tacoma Intl
19h 45m
1 stop
HAN9:45 pmHanoi Noibai
Feb 8
HAN11:05 pmHanoi Noibai
24h 55m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$704
Find similar

Singapore Airlines flights from Seattle to Vietnam

Our best Singapore Airlines deals on Seattle to Vietnam flight tickets
Singapore Airlines
Jan 23
SEA8:45 amSeattle/Tacoma Intl
35h 15m
1 stop
DAD11:00 amDa Nang
Feb 6
DAD4:30 pmDa Nang
29h 40m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$504
Find similar
Singapore Airlines
Feb 24
SEA8:45 amSeattle/Tacoma Intl
39h 55m
1 stop
DAD3:40 pmDa Nang
Mar 11
DAD5:35 pmDa Nang
28h 35m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$579
Find similar
Singapore Airlines
Feb 22
SEA8:45 amSeattle/Tacoma Intl
35h 45m
1 stop
HAN11:30 amHanoi Noibai
Mar 23
HAN6:30 pmHanoi Noibai
27h 40m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$594
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 septiembre 17, 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

vie. 1/23

8:45 am-11:00 am

1 stop35h 15m

Da Nang

vie. 2/6

4:30 pm-7:10 am

1 stop29h 40m

$504

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

mar. 2/24

8:45 am-3:40 pm

1 stop39h 55m

Da Nang

mié. 3/11

5:35 pm-8:10 am

1 stop28h 35m

$579

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

dom. 2/22

12:10 am-10:00 pm

1 stop30h 50m

Hanoi Noibai

mar. 3/24

11:30 pm-2:55 pm

1 stop29h 25m

$668

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

jue. 10/30

1:10 am-4:50 pm

1 stop25h 40m

Ho Chi Minh City

dom. 11/9

5:50 pm-6:10 pm

1 stop15h 20m

$671

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

dom. 2/1

12:10 am-11:00 am

1 stop19h 50m

Ho Chi Minh City

dom. 2/15

12:10 am-1:55 pm

1 stop28h 45m

$673

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

lun. 1/5

12:10 am-10:00 am

1 stop18h 50m

Ho Chi Minh City

jue. 1/22

5:50 pm-6:10 pm

1 stop15h 20m

$680

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

lun. 11/10

11:00 am-11:10 am

1 stop33h 10m

Hanoi Noibai

mar. 11/18

12:20 pm-9:00 am

1 stop35h 40m

$695

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

mié. 10/22

7:10 am-10:05 pm

2 stops24h 55m

Ho Chi Minh City

mié. 11/12

11:50 pm-9:00 am

1 stop24h 10m

$700

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

lun. 10/27

1:10 am-10:05 am

1 stop18h 55m

Ho Chi Minh City

mié. 11/5

12:45 pm-6:10 pm

1 stop20h 25m

$723

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

mar. 10/14

12:30 am-11:35 am

1 stop21h 05m

Da Nang

mié. 10/22

12:55 pm-7:30 pm

1 stop20h 35m

$773

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 April is, on average, the cheapest month to fly to Vietnam from Seattle, with most prices found around $763. If you don’t want to visit Vietnam in April, then you should wait until September 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 $921 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 $787 on momondo.

Can stopping save me money on Seattle to Vietnam flights?

You could potentially save up to 28% 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
Singapore AirlinesPriceFrom $509Free CancellationRating
8.1
1,367 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $637Free CancellationRating
8.2
481 reviews
Search Asiana Airlines flights
Philippine AirlinesPriceFrom $658Free CancellationRating
7.2
911 reviews
Search Philippine Airlines flights
ANAPriceFrom $688Free CancellationRating
8.4
964 reviews
Search ANA flights
United AirlinesPriceFrom $691Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
China AirlinesPriceFrom $695Free CancellationRating
8.3
768 reviews
Search China Airlines flights
Korean AirPriceFrom $708Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights
DeltaPriceFrom $736Free CancellationRating
7.9
7,961 reviews
Search Delta flights
STARLUX AirlinesPriceFrom $756Free CancellationRating
8.9
215 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $774Free CancellationRating
8.4
1,237 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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vie. 10/17
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