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Cheap flights from St. Louis to Montevideo from $1,241

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 Montevideo departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Montevideo

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:15 pm - 4:00 pm
STL
-
MVD
20h 45m
2 stops
LATAM Airlines Logo
4:05 am - 11:56 pm
MVD
-
STL
21h 51m
2 stops
$1,241LATAM Airlines
Thu, Jun 4 - Tue, Jun 9
LATAM Airlines Logo
6:58 pm - 6:20 am
STL
-
MVD
33h 22m
2 stops
LATAM Airlines Logo
2:15 am - 6:06 pm
MVD
-
STL
41h 51m
2 stops
$1,254LATAM Airlines
Mon, Jul 13 - Thu, Jul 23
United Airlines Logo
6:00 am - 1:01 am
STL
-
MVD
17h 01m
2 stops
United Airlines Logo
12:40 am - 10:30 pm
MVD
-
STL
23h 50m
2 stops
$1,268United Airlines
Mon, May 4 - Sun, May 10
LATAM Airlines Logo
10:49 am - 6:20 am
STL
-
MVD
17h 31m
2 stops
LATAM Airlines Logo
7:35 am - 11:59 pm
MVD
-
STL
18h 24m
2 stops
$1,349LATAM Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
2:15 pm - 1:01 am
STL
-
MVD
32h 46m
3 stops
Multiple Airlines Logo
7:05 am - 12:06 pm
MVD
-
STL
31h 01m
3 stops
$1,361Multiple Airlines
Mon, May 4 - Mon, May 11
LATAM Airlines Logo
5:24 pm - 3:00 am
STL
-
MVD
31h 36m
2 stops
LATAM Airlines Logo
7:35 am - 11:56 pm
MVD
-
STL
18h 21m
2 stops
$1,382LATAM Airlines
Wed, Jun 17 - Mon, Jun 22
LATAM Airlines Logo
4:41 pm - 11:43 am
STL
-
MVD
17h 02m
2 stops
LATAM Airlines Logo
7:35 am - 11:59 pm
MVD
-
STL
18h 24m
2 stops
$1,411LATAM Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
1:05 pm - 6:24 pm
STL
-
MVD
27h 19m
3 stops
Multiple Airlines Logo
7:05 am - 12:06 pm
MVD
-
STL
31h 01m
3 stops
$1,428Multiple Airlines
Mon, May 4 - Mon, May 11
LATAM Airlines Logo
6:50 pm - 6:20 am
STL
-
MVD
33h 30m
2 stops
LATAM Airlines Logo
7:35 am - 12:20 pm
MVD
-
STL
30h 45m
2 stops
$1,447LATAM Airlines
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
1:05 pm - 1:15 am
STL
-
MVD
34h 10m
3 stops
Multiple Airlines Logo
1:05 pm - 8:04 pm
MVD
-
STL
32h 59m
3 stops
$1,564Multiple Airlines
Sun, May 3 - Sun, May 10

LATAM Airlines flights from St. Louis to Montevideo

Our best LATAM Airlines deals on St. Louis to Montevideo flight tickets
LATAM Airlines
Jun 4
STL5:15 pmLambert-St Louis
20h 45m
2 stops
MVD4:00 pmMontevideo Carrasco
Jun 9
MVD4:05 amMontevideo Carrasco
21h 51m
2 stops
STL11:56 pmLambert-St Louis
$1,241
LATAM Airlines
Jul 13
STL6:58 pmLambert-St Louis
33h 22m
2 stops
MVD6:20 amMontevideo Carrasco
Jul 23
MVD2:15 amMontevideo Carrasco
41h 51m
2 stops
STL6:06 pmLambert-St Louis
$1,254
LATAM Airlines
May 7
STL10:49 amLambert-St Louis
17h 31m
2 stops
MVD6:20 amMontevideo Carrasco
May 14
MVD7:35 amMontevideo Carrasco
18h 24m
2 stops
STL11:59 pmLambert-St Louis
$1,349

American Airlines flights from St. Louis to Montevideo

Our best American Airlines deals on St. Louis to Montevideo flight tickets
American Airlines
Jun 4
STL12:39 pmLambert-St Louis
21h 36m
3 stops
MVD12:15 pmMontevideo Carrasco
Jun 9
MVD1:05 pmMontevideo Carrasco
23h 30m
2 stops
STL10:35 amLambert-St Louis
$2,766
American Airlines
Jun 4
STL12:39 pmLambert-St Louis
21h 36m
3 stops
MVD12:15 pmMontevideo Carrasco
Jun 9
MVD1:05 pmMontevideo Carrasco
24h 54m
3 stops
STL11:59 amLambert-St Louis
$4,007

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Montevideo 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 24, 2026.
Use the filters below to find and compare flights from St. Louis to Montevideo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/4

5:15 pm-4:00 pm

2 stops20h 45m

Montevideo Carrasco

Tue 6/9

4:05 am-11:56 pm

2 stops21h 51m

$1,241

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/13

6:58 pm-6:20 am

2 stops33h 22m

Montevideo Carrasco

Thu 7/23

2:15 am-6:06 pm

2 stops41h 51m

$1,254

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 5/4

6:00 am-1:01 am

2 stops17h 01m

Montevideo Carrasco

Sun 5/10

12:40 am-10:30 pm

2 stops23h 50m

$1,268

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 5/7

10:49 am-6:20 am

2 stops17h 31m

Montevideo Carrasco

Thu 5/14

7:35 am-11:59 pm

2 stops18h 24m

$1,349

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 5/4

2:15 pm-1:01 am

3 stops32h 46m

Montevideo Carrasco

Mon 5/11

7:05 am-12:06 pm

3 stops31h 01m

$1,361

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 6/17

5:24 pm-3:00 am

2 stops31h 36m

Montevideo Carrasco

Mon 6/22

7:35 am-11:56 pm

2 stops18h 21m

$1,382
Quickest round-trip

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 5/4

4:41 pm-11:43 am

2 stops17h 02m

Montevideo Carrasco

Mon 5/11

7:35 am-11:59 pm

2 stops18h 24m

$1,411

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 5/4

1:05 pm-6:24 pm

3 stops27h 19m

Montevideo Carrasco

Mon 5/11

7:05 am-12:06 pm

3 stops31h 01m

$1,428

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 5/3

6:50 pm-6:20 am

2 stops33h 30m

Montevideo Carrasco

Sun 5/10

7:35 am-12:20 pm

2 stops30h 45m

$1,447

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 5/3

1:05 pm-1:15 am

3 stops34h 10m

Montevideo Carrasco

Sun 5/10

1:05 pm-8:04 pm

3 stops32h 59m

$1,564

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Montevideo

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

Cheap St. Louis to Montevideo (STL to MVD) flight deals and tips

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

Fastest flight time

16h 19m

Direct flights

None
The fastest flight from St. Louis to Montevideo takes 16h 19m
There are no direct flights from St. Louis to Montevideo. There are no popular flight routes from St. Louis to Montevideo.
Search flight deals

  • How far is Lambert-St Louis to Montevideo Carrasco by plane?

    Montevideo Carrasco is 5522.6 mi away from Lambert-St Louis. Typically, this will take 16h 19m by plane in normal conditions.

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

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

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

    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 Montevideo Carrasco Airport.

  • What documentation or ID do you need to fly to Montevideo Carrasco Airport?

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

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

    Search flight deals from St. Louis to Montevideo. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Montevideo 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?

    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 Montevideo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montevideo from St. Louis.

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

Flights from St. Louis to Montevideo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential St. Louis to Montevideo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Montevideo, momondo offers a useful price alert feature which will track prices for flights to Montevideo from St. Louis and alert you when they change.

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