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Cheap flights from St. Louis to Laos from $955

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Laos departing on 5/21. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from St. Louis to Laos

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:30 pm - 12:40 pm
STL
-
VTE
32h 10m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$1,907Multiple Airlines
Wed, May 20 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:36 pm
VTE
-
STL
35h 06m
3 stops
$1,998Multiple Airlines
Fri, May 22 - Mon, Jun 1
Multiple Airlines Logo
2:36 pm - 12:40 pm
STL
-
VTE
34h 04m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$2,040Multiple Airlines
Thu, May 21 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:36 pm
VTE
-
STL
35h 06m
3 stops
$2,043Multiple Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
2:36 pm - 12:40 pm
STL
-
VTE
34h 04m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$2,059Multiple Airlines
Thu, May 21 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$2,151Multiple Airlines
Thu, May 21 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$2,183Multiple Airlines
Fri, May 22 - Tue, Jun 2
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:36 pm
VTE
-
STL
35h 06m
3 stops
$2,202Multiple Airlines
Thu, May 21 - Mon, Jun 1
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:36 pm
VTE
-
STL
35h 06m
3 stops
$2,253Multiple Airlines
Fri, May 22 - Mon, Jun 1
Multiple Airlines Logo
1:45 pm - 12:40 pm
STL
-
VTE
34h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 7:21 pm
VTE
-
STL
34h 51m
3 stops
$2,324Multiple Airlines
Fri, May 22 - Tue, Jun 2

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Laos 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 March 15, 2026.
Use the filters below to find and compare flights from St. Louis to Laos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Wed 5/20

4:30 pm-12:40 pm

3 stops32h 10m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$1,907

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Fri 5/22

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Mon 6/1

8:30 pm-7:36 pm

3 stops35h 06m

$1,998

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Thu 5/21

2:36 pm-12:40 pm

3 stops34h 04m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$2,040

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Thu 5/21

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Thu 5/28

8:30 pm-7:36 pm

3 stops35h 06m

$2,043

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Thu 5/21

2:36 pm-12:40 pm

3 stops34h 04m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$2,059

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Thu 5/21

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$2,151

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Fri 5/22

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$2,183

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Thu 5/21

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Mon 6/1

8:30 pm-7:36 pm

3 stops35h 06m

$2,202

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Fri 5/22

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Mon 6/1

8:30 pm-7:36 pm

3 stops35h 06m

$2,253

St. LouisVientiane

STL - VTE

STLVTE

Lambert-St Louis

Fri 5/22

1:45 pm-12:40 pm

3 stops34h 55m

Vientiane Wattay

Tue 6/2

8:30 pm-7:21 pm

3 stops34h 51m

$2,324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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Cheap St. Louis to Laos flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Laos

Fastest flight time

32h 10m

Direct flights

None
The fastest flight from St. Louis to Laos takes 32h 10m
There are no direct flights from St. Louis to Laos. There are no popular flight routes from St. Louis to Laos.
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Laos?

    Prices for flights from Lambert-St Louis Airport to Laos were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Laos?

    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 Lambert-St Louis Airport to Laos.

  • What documentation or ID do you need to fly to Laos?

    The necessary travel and health documents for your Laos trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from St. Louis to Laos?

    Price Alerts will notify you by email when the price for flights to Laos from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from St. Louis to Laos with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Laos?

It is quick and easy to find St. Louis to Laos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Laos that suits you.

Can I find flights from St. Louis to Laos with flexible booking policies on momondo?

Yes. All flights to Laos from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Laos?

Once you have performed a search for St. Louis to Laos flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Laos from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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