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Cheap flights from Seattle to Vientiane from $991

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 9/12. 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
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
4:50 pm - 12:05 amSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
40h 15m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
1:05 am - 8:05 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
34h 00m2 stops Shanghai Pu Dong Los Angeles
$1,013Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
5:44 pm - 7:35 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
35h 51m3 stops San Francisco Ho Chi Minh City Phnom Penh Techo Intl
Multiple Airlines Logo
11:35 am - 8:20 amVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
34h 45m3 stops Phnom Penh Techo Intl Ho Chi Minh City San Francisco
$1,043Multiple Airlines
Wed, Sep 30 - Thu, Oct 29
Multiple Airlines Logo
10:40 am - 11:50 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
23h 10m2 stops Vancouver Intl Incheon Intl
Multiple Airlines Logo
1:25 am - 6:22 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
31h 57m2 stops Incheon Intl Vancouver Intl
$1,062Multiple Airlines
Thu, Sep 3 - Thu, Nov 26
Multiple Airlines Logo
1:13 pm - 12:05 amSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
44h 52m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
1:05 am - 4:01 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
28h 56m2 stops Shanghai Pu Dong Los Angeles
$1,063Multiple Airlines
Wed, Sep 30 - Wed, Oct 28
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
$1,104Multiple Airlines
Sat, Sep 12 - Thu, Sep 17
Multiple Airlines Logo
12:10 am - 1:05 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
21h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
8:30 pm - 6:10 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,131Multiple Airlines
Thu, Nov 12 - Mon, Nov 30
Multiple Airlines Logo
12:10 am - 3:35 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
24h 25m3 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City Pakse
Multiple Airlines Logo
8:30 pm - 6:10 pmVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
36h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,162Multiple Airlines
Thu, Nov 12 - Mon, Nov 30
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
Singapore Airlines Logo
8:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-VTE Vientiane Wattay
36h 15m1 stop Singapore Changi
Singapore Airlines Logo
12:35 pm - 7:10 amVTE  Vientiane Wattay-SEA Seattle/Tacoma Intl
57h 35m1 stop Singapore Changi
$1,380Singapore Airlines
Fri, Nov 20 - Sun, Nov 29

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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 12
SEA10:15 amSeattle/Tacoma Intl
59h 45m
1 stop
VTE12:00 pmVientiane Wattay
Sep 18
VTE12:35 pmVientiane Wattay
34h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,371
Singapore Airlines
Nov 20
SEA8:45 amSeattle/Tacoma Intl
36h 15m
1 stop
VTE12:00 pmVientiane Wattay
Nov 29
VTE12:35 pmVientiane Wattay
57h 35m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,380
Singapore Airlines
Sep 12
SEA10:15 amSeattle/Tacoma Intl
59h 45m
1 stop
VTE12:00 pmVientiane Wattay
Sep 18
VTE12:35 pmVientiane Wattay
34h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,429

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 16, 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

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

Thu 11/26

4:50 pm-12:05 am

2 stops40h 15m

Vientiane Wattay

Thu 12/3

1:05 am-8:05 pm

2 stops34h 00m

$1,013

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Wed 9/30

5:44 pm-7:35 pm

3 stops35h 51m

Vientiane Wattay

Thu 10/29

11:35 am-8:20 am

3 stops34h 45m

$1,043
Quickest round-trip

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Thu 9/3

10:40 am-11:50 pm

2 stops23h 10m

Vientiane Wattay

Thu 11/26

1:25 am-6:22 pm

2 stops31h 57m

$1,062

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Wed 9/30

1:13 pm-12:05 am

2 stops44h 52m

Vientiane Wattay

Wed 10/28

1:05 am-4:01 pm

2 stops28h 56m

$1,063

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

$1,104

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Thu 11/12

12:10 am-1:05 pm

2 stops21h 55m

Vientiane Wattay

Mon 11/30

8:30 pm-6:10 pm

2 stops36h 40m

$1,131

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Thu 11/12

12:10 am-3:35 pm

3 stops24h 25m

Vientiane Wattay

Mon 11/30

8:30 pm-6:10 pm

2 stops36h 40m

$1,162

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

SeattleVientiane

SEA Seattle/Tacoma Intl - VTE Vientiane Wattay

SEAVTE

Seattle/Tacoma Intl

Fri 11/20

8:45 am-12:00 pm

1 stop36h 15m

Vientiane Wattay

Sun 11/29

12:35 pm-7:10 am

1 stop57h 35m

$1,380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Vientiane

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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

31h 35m

Direct flights

None
The fastest flight from Seattle to Vientiane takes 31h 35m
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 31h 35m.

  • 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
1,585 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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