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Cheap flights from St. Louis to Uruguay from $1,126

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Uruguay departing on 8/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
9:00 am - 6:20 am
STL
-
MVD
19h 20m
2 stops
LATAM Airlines Logo
7:35 am - 11:37 pm
MVD
-
STL
18h 02m
2 stops
$1,126LATAM Airlines
Mon, Aug 24 - Wed, Aug 26
LATAM Airlines Logo
11:51 am - 6:20 am
STL
-
MVD
16h 29m
2 stops
LATAM Airlines Logo
7:35 am - 11:37 pm
MVD
-
STL
18h 02m
2 stops
$1,176LATAM Airlines
Mon, Aug 24 - Wed, Aug 26
LATAM Airlines Logo
1:30 pm - 7:00 pm
STL
-
MVD
27h 30m
2 stops
LATAM Airlines Logo
2:15 am - 12:34 pm
MVD
-
STL
36h 19m
2 stops
$1,241LATAM Airlines
Wed, Jul 1 - Thu, Jul 30
LATAM Airlines Logo
5:30 pm - 6:20 am
STL
-
MVD
34h 50m
2 stops
LATAM Airlines Logo
7:35 am - 11:37 pm
MVD
-
STL
18h 02m
2 stops
$1,256LATAM Airlines
Sun, Aug 9 - Sat, Aug 15
LATAM Airlines Logo
6:50 pm - 6:20 am
STL
-
MVD
33h 30m
2 stops
LATAM Airlines Logo
7:35 am - 11:36 pm
MVD
-
STL
18h 01m
2 stops
$1,295LATAM Airlines
Thu, Apr 16 - Sat, Apr 25
LATAM Airlines Logo
9:59 am - 3:45 pm
STL
-
MVD
27h 46m
2 stops
LATAM Airlines Logo
7:35 am - 11:36 pm
MVD
-
STL
18h 01m
2 stops
$1,303LATAM Airlines
Mon, Apr 13 - Mon, Apr 27
LATAM Airlines Logo
4:41 pm - 11:48 am
STL
-
MVD
17h 07m
2 stops
LATAM Airlines Logo
7:35 am - 11:36 pm
MVD
-
STL
18h 01m
2 stops
$1,354LATAM Airlines
Mon, Apr 27 - Mon, May 4
LATAM Airlines Logo
1:30 pm - 7:00 pm
STL
-
MVD
27h 30m
2 stops
LATAM Airlines Logo
4:55 pm - 11:38 pm
MVD
-
STL
56h 43m
3 stops
$1,558LATAM Airlines
Wed, Jul 1 - Fri, Jul 31
LATAM Airlines Logo
4:41 pm - 6:24 pm
STL
-
MVD
23h 43m
2 stops
LATAM Airlines Logo
4:55 pm - 8:30 am
MVD
-
STL
41h 35m
3 stops
$1,701LATAM Airlines
Thu, Apr 16 - Sat, Apr 25
LATAM Airlines Logo
4:41 pm - 6:24 pm
STL
-
MVD
23h 43m
2 stops
LATAM Airlines Logo
4:55 pm - 8:30 am
MVD
-
STL
41h 35m
3 stops
$1,792LATAM Airlines
Mon, Apr 27 - Mon, May 4

LATAM Airlines flights from St. Louis to Uruguay

Our best LATAM Airlines deals on St. Louis to Uruguay flight tickets
LATAM Airlines
Aug 24
STL9:00 amLambert-St Louis
19h 20m
2 stops
MVD6:20 amMontevideo Carrasco
Aug 26
MVD7:35 amMontevideo Carrasco
18h 02m
2 stops
STL11:37 pmLambert-St Louis
$1,126
LATAM Airlines
Aug 24
STL11:51 amLambert-St Louis
16h 29m
2 stops
MVD6:20 amMontevideo Carrasco
Aug 26
MVD7:35 amMontevideo Carrasco
18h 02m
2 stops
STL11:37 pmLambert-St Louis
$1,176
LATAM Airlines
Jul 1
STL1:30 pmLambert-St Louis
27h 30m
2 stops
MVD7:00 pmMontevideo Carrasco
Jul 30
MVD2:15 amMontevideo Carrasco
36h 19m
2 stops
STL12:34 pmLambert-St Louis
$1,241

United Airlines flights from St. Louis to Uruguay

Our best United Airlines deals on St. Louis to Uruguay flight tickets
United Airlines
Aug 24
STL6:14 amLambert-St Louis
16h 47m
2 stops
MVD1:01 amMontevideo Carrasco
Aug 25
MVD12:41 amMontevideo Carrasco
24h 56m
3 stops
STL11:37 pmLambert-St Louis
$7,283
United Airlines
Aug 24
STL11:10 amLambert-St Louis
18h 10m
2 stops
MVD7:20 amMontevideo Carrasco
Aug 25
MVD12:41 amMontevideo Carrasco
24h 56m
3 stops
STL11:37 pmLambert-St Louis
$7,927

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Uruguay 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 14, 2026.
Use the filters below to find and compare flights from St. Louis to Uruguay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 8/24

9:00 am-6:20 am

2 stops19h 20m

Montevideo Carrasco

Wed 8/26

7:35 am-11:37 pm

2 stops18h 02m

$1,126
Quickest round-trip

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 8/24

11:51 am-6:20 am

2 stops16h 29m

Montevideo Carrasco

Wed 8/26

7:35 am-11:37 pm

2 stops18h 02m

$1,176

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 7/1

1:30 pm-7:00 pm

2 stops27h 30m

Montevideo Carrasco

Thu 7/30

2:15 am-12:34 pm

2 stops36h 19m

$1,241

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 8/9

5:30 pm-6:20 am

2 stops34h 50m

Montevideo Carrasco

Sat 8/15

7:35 am-11:37 pm

2 stops18h 02m

$1,256

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 4/16

6:50 pm-6:20 am

2 stops33h 30m

Montevideo Carrasco

Sat 4/25

7:35 am-11:36 pm

2 stops18h 01m

$1,295

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 4/13

9:59 am-3:45 pm

2 stops27h 46m

Montevideo Carrasco

Mon 4/27

7:35 am-11:36 pm

2 stops18h 01m

$1,303

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 4/27

4:41 pm-11:48 am

2 stops17h 07m

Montevideo Carrasco

Mon 5/4

7:35 am-11:36 pm

2 stops18h 01m

$1,354

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 7/1

1:30 pm-7:00 pm

2 stops27h 30m

Montevideo Carrasco

Fri 7/31

4:55 pm-11:38 pm

3 stops56h 43m

$1,558

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 4/16

4:41 pm-6:24 pm

2 stops23h 43m

Montevideo Carrasco

Sat 4/25

4:55 pm-8:30 am

3 stops41h 35m

$1,701

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 4/27

4:41 pm-6:24 pm

2 stops23h 43m

Montevideo Carrasco

Mon 5/4

4:55 pm-8:30 am

3 stops41h 35m

$1,792

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Uruguay flight deals and tips

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

Fastest flight time

16h 29m

Direct flights

None
The fastest flight from St. Louis to Uruguay takes 16h 29m
There are no direct flights from St. Louis to Uruguay. There are no popular flight routes from St. Louis to Uruguay.
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Uruguay are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Uruguay.

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

    The required travel and health documents for your Uruguay trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Uruguay. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Uruguay. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

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 St. Louis to Uruguay for you.

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

All flight searches from St. Louis to Uruguay on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Uruguay.

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

Of course. momondo tracks the price of St. Louis to Uruguay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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