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Cheap flights from Seattle to Vientiane from $638

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 Vientiane departing on 8/11. 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.
Singapore Airlines Logo
8:45 am - 12:00 pm
SEA
-
VTE
36h 15m
1 stop
Singapore Airlines Logo
12:35 pm - 7:10 am
VTE
-
SEA
33h 35m
1 stop
$1,198Singapore Airlines
Wed, Nov 4 - Sat, Nov 7
Multiple Airlines Logo
4:25 pm - 5:20 pm
SEA
-
VTE
34h 55m
2 stops
Multiple Airlines Logo
2:30 pm - 12:25 pm
VTE
-
SEA
35h 55m
2 stops
$1,201Multiple Airlines
Sun, Aug 23 - Mon, Sep 14
Multiple Airlines Logo
4:25 pm - 5:20 pm
SEA
-
VTE
34h 55m
2 stops
Multiple Airlines Logo
11:20 am - 12:25 pm
VTE
-
SEA
39h 05m
3 stops
$1,215Multiple Airlines
Sun, Aug 23 - Mon, Sep 14
Multiple Airlines Logo
4:05 pm - 3:35 pm
SEA
-
VTE
32h 30m
3 stops
Multiple Airlines Logo
2:40 pm - 11:40 am
VTE
-
SEA
36h 00m
2 stops
$1,229Multiple Airlines
Sun, Nov 1 - Sun, Nov 22
Multiple Airlines Logo
8:45 am - 12:00 pm
SEA
-
VTE
36h 15m
1 stop
Multiple Airlines Logo
6:10 pm - 7:10 am
VTE
-
SEA
28h 00m
2 stops
$1,289Multiple Airlines
Wed, Nov 4 - Sat, Nov 7
Multiple Airlines Logo
10:15 am - 12:00 pm
SEA
-
VTE
35h 45m
1 stop
Multiple Airlines Logo
6:20 pm - 8:45 am
VTE
-
SEA
28h 25m
2 stops
$1,294Multiple Airlines
Sun, Aug 23 - Mon, Sep 14
Multiple Airlines Logo
2:10 am - 7:45 pm
SEA
-
VTE
27h 35m
2 stops
Multiple Airlines Logo
1:30 pm - 7:00 pm
VTE
-
SEA
19h 30m
2 stops
$1,295Multiple Airlines
Sun, Aug 23 - Tue, Sep 15
Multiple Airlines Logo
4:05 pm - 5:50 pm
SEA
-
VTE
34h 45m
2 stops
Multiple Airlines Logo
2:40 pm - 11:40 am
VTE
-
SEA
36h 00m
2 stops
$1,316Multiple Airlines
Sun, Nov 1 - Sun, Nov 22
Multiple Airlines Logo
2:10 am - 7:45 pm
SEA
-
VTE
27h 35m
2 stops
Multiple Airlines Logo
1:30 pm - 7:40 pm
VTE
-
SEA
20h 10m
2 stops
$1,333Multiple Airlines
Fri, Aug 21 - Mon, Sep 14
Multiple Airlines Logo
8:35 pm - 12:05 am
SEA
-
VTE
37h 30m
2 stops
Multiple Airlines Logo
3:50 pm - 11:37 am
VTE
-
SEA
34h 47m
3 stops
$1,338Multiple Airlines
Sat, Sep 26 - Sun, Nov 29

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Hainan Airlines flights from Seattle to Vientiane

Our best Hainan Airlines deals on Seattle to Vientiane flight tickets
Hainan Airlines
Aug 20
SEA12:20 pmSeattle/Tacoma Intl
42h 10m
2 stops
VTE8:30 pmVientiane Wattay
Sep 15
VTE9:35 pmVientiane Wattay
50h 20m
2 stops
SEA9:55 amSeattle/Tacoma Intl
$1,448
Hainan Airlines
Aug 25
SEA11:00 amSeattle/Tacoma Intl
43h 30m
2 stops
VTE8:30 pmVientiane Wattay
Sep 15
VTE9:35 pmVientiane Wattay
50h 20m
2 stops
SEA9:55 amSeattle/Tacoma Intl
$1,654
Hainan Airlines
Aug 20
SEA12:20 pmSeattle/Tacoma Intl
42h 10m
2 stops
VTE8:30 pmVientiane Wattay
Sep 17
VTE9:35 pmVientiane Wattay
49h 25m
2 stops
SEA9:00 amSeattle/Tacoma Intl
$1,693

Lufthansa flights from Seattle to Vientiane

Our best Lufthansa deals on Seattle to Vientiane flight tickets
Lufthansa
Aug 26
SEA6:50 pmSeattle/Tacoma Intl
34h 55m
2 stops
VTE7:45 pmVientiane Wattay
Sep 15
VTE1:30 pmVientiane Wattay
41h 29m
2 stops
SEA4:59 pmSeattle/Tacoma Intl
$1,807
Lufthansa
Aug 23
SEA6:50 pmSeattle/Tacoma Intl
34h 55m
2 stops
VTE7:45 pmVientiane Wattay
Sep 16
VTE1:30 pmVientiane Wattay
41h 29m
2 stops
SEA4:59 pmSeattle/Tacoma Intl
$1,912

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 June 13, 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 - VTE

SEAVTE

Seattle/Tacoma Intl

Wed 11/4

8:45 am-12:00 pm

1 stop36h 15m

Vientiane Wattay

Sat 11/7

12:35 pm-7:10 am

1 stop33h 35m

$1,198

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 8/23

4:25 pm-5:20 pm

2 stops34h 55m

Vientiane Wattay

Mon 9/14

2:30 pm-12:25 pm

2 stops35h 55m

$1,201

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 8/23

4:25 pm-5:20 pm

2 stops34h 55m

Vientiane Wattay

Mon 9/14

11:20 am-12:25 pm

3 stops39h 05m

$1,215

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 11/1

4:05 pm-3:35 pm

3 stops32h 30m

Vientiane Wattay

Sun 11/22

2:40 pm-11:40 am

2 stops36h 00m

$1,229

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Wed 11/4

8:45 am-12:00 pm

1 stop36h 15m

Vientiane Wattay

Sat 11/7

6:10 pm-7:10 am

2 stops28h 00m

$1,289

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 8/23

10:15 am-12:00 pm

1 stop35h 45m

Vientiane Wattay

Mon 9/14

6:20 pm-8:45 am

2 stops28h 25m

$1,294
Quickest round-trip

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 8/23

2:10 am-7:45 pm

2 stops27h 35m

Vientiane Wattay

Tue 9/15

1:30 pm-7:00 pm

2 stops19h 30m

$1,295

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sun 11/1

4:05 pm-5:50 pm

2 stops34h 45m

Vientiane Wattay

Sun 11/22

2:40 pm-11:40 am

2 stops36h 00m

$1,316

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Fri 8/21

2:10 am-7:45 pm

2 stops27h 35m

Vientiane Wattay

Mon 9/14

1:30 pm-7:40 pm

2 stops20h 10m

$1,333

SeattleVientiane

SEA - VTE

SEAVTE

Seattle/Tacoma Intl

Sat 9/26

8:35 pm-12:05 am

2 stops37h 30m

Vientiane Wattay

Sun 11/29

3:50 pm-11:37 am

3 stops34h 47m

$1,338

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

26h 49m

Direct flights

None
The fastest flight from Seattle to Vientiane takes 26h 49m
There are no direct flights from Seattle to Vientiane. There are no popular flight routes from Seattle to Vientiane.
Search flight deals

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 26h 49m.

  • 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
1,544 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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