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Cheap flights from Seattle to Vientiane from $978

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Vientiane departing on 9/30. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Vientiane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:48 pm - 12:05 amSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
37h 17m2 stops Los Angeles Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
1:05 am - 1:01 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
25h 56m2 stops Shanghai Pu Dong Vancouver Intl
$978Multiple Airlines
Wed, Sep 30 - Wed, Oct 28
Multiple Airlines Logo
7:15 pm - 11:50 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
38h 35m2 stops Vancouver Intl Incheon Intl
Multiple Airlines Logo
12:50 am - 10:47 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
35h 57m2 stops Incheon Intl Vancouver Intl
$991Multiple Airlines
Sat, Sep 12 - Sun, Sep 20
Multiple Airlines Logo
7:15 pm - 11:50 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
38h 35m2 stops Vancouver Intl Incheon Intl
Multiple Airlines Logo
12:50 am - 6:32 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
31h 42m2 stops Incheon Intl Vancouver Intl
$991Multiple Airlines
Thu, Sep 10 - Fri, Sep 18
Multiple Airlines Logo
3:00 pm - 11:50 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
42h 50m2 stops Vancouver Intl Incheon Intl
Multiple Airlines Logo
12:50 am - 6:32 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
31h 42m2 stops Incheon Intl Vancouver Intl
$991Multiple Airlines
Sat, Sep 12 - Thu, Sep 17
Multiple Airlines Logo
1:15 am - 7:35 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
28h 20m3 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City Phnom Penh Techo Intl
Multiple Airlines Logo
11:35 am - 7:10 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
21h 35m3 stops Phnom Penh Techo Intl Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$997Multiple Airlines
Tue, Sep 29 - Thu, Oct 29
Multiple Airlines Logo
1:09 pm - 12:05 amSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
43h 56m2 stops Los Angeles Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
1:05 am - 4:57 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
30h 52m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$1,003Multiple Airlines
Sun, Nov 22 - Sun, Dec 6
Multiple Airlines Logo
1:15 am - 6:25 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
27h 10m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
7:30 am - 7:10 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
25h 40m3 stops Pakse Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
$1,084Multiple Airlines
Tue, Sep 29 - Thu, Oct 29
Multiple Airlines Logo
1:15 am - 7:45 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
28h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:30 pm - 7:15 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
19h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,131Multiple Airlines
Tue, Sep 29 - Sat, Oct 24
Singapore Airlines Logo
10:15 am - 12:00 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
35h 45m1 stop Singapore Changi
Singapore Airlines Logo
12:35 pm - 8:10 amVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
57h 35m1 stop Singapore Changi
$1,322Singapore Airlines
Sun, Oct 11 - Sun, Oct 25
Singapore Airlines Logo
10:15 am - 12:00 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
59h 45m1 stop Singapore Changi
Singapore Airlines Logo
12:35 pm - 8:45 amVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
34h 10m1 stop Singapore Changi
$1,371Singapore Airlines
Sat, Sep 12 - Fri, Sep 18

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Singapore Airlines flights from Seattle to Vientiane

Our best Singapore Airlines deals on Seattle to Vientiane flight tickets
Singapore Airlines
Sep 20
SEA10:15 amSeattle/Tacoma Intl
35h 45m
1 stop
VTE12:00 pmVientiane Wattay
Sep 26
VTE12:35 pmVientiane Wattay
34h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,234
Singapore Airlines
Oct 11
SEA10:15 amSeattle/Tacoma Intl
35h 45m
1 stop
VTE12:00 pmVientiane Wattay
Oct 25
VTE12:35 pmVientiane Wattay
57h 35m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$1,322

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Vientiane 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 August 10, 2026.
Use the filters below to find and compare flights from Seattle to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Wed 9/30

8:48 pm-12:05 am

2 stops37h 17m

Vientiane Wattay

Wed 10/28

1:05 am-1:01 pm

2 stops25h 56m

$978

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Sat 9/12

7:15 pm-11:50 pm

2 stops38h 35m

Vientiane Wattay

Sun 9/20

12:50 am-10:47 pm

2 stops35h 57m

$991

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Thu 9/10

7:15 pm-11:50 pm

2 stops38h 35m

Vientiane Wattay

Fri 9/18

12:50 am-6:32 pm

2 stops31h 42m

$991

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Sat 9/12

3:00 pm-11:50 pm

2 stops42h 50m

Vientiane Wattay

Thu 9/17

12:50 am-6:32 pm

2 stops31h 42m

$991

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Tue 9/29

1:15 am-7:35 pm

3 stops28h 20m

Vientiane Wattay

Thu 10/29

11:35 am-7:10 pm

3 stops21h 35m

$997

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Sun 11/22

1:09 pm-12:05 am

2 stops43h 56m

Vientiane Wattay

Sun 12/6

1:05 am-4:57 pm

2 stops30h 52m

$1,003

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Tue 9/29

1:15 am-6:25 pm

2 stops27h 10m

Vientiane Wattay

Thu 10/29

7:30 am-7:10 pm

3 stops25h 40m

$1,084
Quickest round-trip

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Tue 9/29

1:15 am-7:45 pm

2 stops28h 30m

Vientiane Wattay

Sat 10/24

1:30 pm-7:15 pm

2 stops19h 45m

$1,131

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Sun 10/11

10:15 am-12:00 pm

1 stop35h 45m

Vientiane Wattay

Sun 10/25

12:35 pm-8:10 am

1 stop57h 35m

$1,322

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Sat 9/12

10:15 am-12:00 pm

1 stop59h 45m

Vientiane Wattay

Fri 9/18

12:35 pm-8:45 am

1 stop34h 10m

$1,371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Vientiane

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

Can stopping save me money on Seattle to Vientiane flights?

You could potentially save up to 20% on your flight if you consider stops on a Seattle to Vientiane flight.

When to book flights from Seattle to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Vientiane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Vientiane (SEA to VTE) flight deals and tips

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

Fastest flight time

33h 40m

Direct flights

None
The fastest flight from Seattle to Vientiane takes 33h 40m
There are no direct flights from Seattle to Vientiane. There are no popular flight routes from Seattle to Vientiane.
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Frequently asked questions about flying from Seattle to Vientiane

  • How far is Seattle/Tacoma Intl to Vientiane Wattay by plane?

    The straight-line distance from Seattle/Tacoma Intl to Vientiane Wattay is 7116.2 mi. In terms of flight time, this usually takes a little over 33h 40m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The travel and health documents you'll need for your trip to Vientiane Wattay Airport 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 Vientiane Wattay Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Vientiane?

Best airlines flying from Seattle to Vientiane

Compare and see reviews for airlines that fly from Seattle to Vientiane with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $828Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Vientiane for you.

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

Yes. momondo enables you to select and highlight flights to Vientiane from Seattle with this policy.

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

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 Vientiane from Seattle.

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

If you are not ready to book a flight from Seattle to Vientiane now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vientiane and let you know when they change.

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