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Uruguay

$891+ Cheap flights from St. Louis (STL) to Uruguay

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MVD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from St. Louis to Uruguay

Cheapest flights from St. Louis to Uruguay
Explore the most affordable flight options available from St. Louis to Uruguay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This KAYAK deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:05 pm
STL
-
MVD
2 stops18h 55m
LATAM Airlines
Wed 8/267:35 am
MVD
-
STL
2 stops18h 02m
LATAM Airlines
Deal found 1/18$891
This Ovago deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:00 am
STL
-
MVD
2 stops28h 55m
LATAM Airlines
Wed 6/1711:35 am
MVD
-
STL
2 stops29h 02m
LATAM Airlines
Deal found 1/18$961
This Travelocity deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:11 pm
STL
-
MVD
2 stops20h 32m
LATAM Airlines
Sun 5/105:55 pm
MVD
-
STL
2 stops31h 43m
LATAM Airlines
Deal found 1/18$1,061
This KAYAK deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:15 am
STL
-
MVD
2 stops23h 05m
Copa Airlines
Fri 6/1912:40 am
MVD
-
STL
2 stops35h 02m
Copa Airlines
Deal found 1/18$1,470
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:50 am
STL
-
MVD
2 stops20h 30m
United Airlines
Tue 8/2512:41 am
MVD
-
STL
2 stops19h 57m
United Airlines
Deal found 1/19$1,583
This Orbitz deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:30 am
STL
-
MVD
2 stops44h 20m
Multiple Airlines
Wed 6/174:55 pm
MVD
-
STL
3 stops51h 07m
Multiple Airlines
Deal found 1/18$2,394
This SmartFares deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:30 pm
STL
-
MVD
2 stops22h 51m
LATAM Airlines
Sat 6/204:55 pm
MVD
-
STL
3 stops43h 50m
LATAM Airlines
Deal found 1/18$2,531
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:11 pm
STL
-
MVD
3 stops22h 04m
American Airlines
Sun 5/101:05 pm
MVD
-
STL
2 stops23h 11m
American Airlines
Deal found 1/18$2,661
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:01 pm
STL
-
MVD
3 stops21h 14m
American Airlines
Wed 8/261:05 pm
MVD
-
STL
3 stops24h 48m
American Airlines
Deal found 1/18$3,907
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:50 pm
STL
-
MVD
3 stops21h 25m
American Airlines
Wed 6/171:05 pm
MVD
-
STL
3 stops24h 55m
American Airlines
Deal found 1/18$4,207
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1412:50 pm
STL
-
MVD
3 stops21h 25m
American Airlines
Sat 6/201:05 pm
MVD
-
STL
3 stops24h 55m
American Airlines
Deal found 1/18$4,287
This AranGrant deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/229:57 am
STL
-
MVD
2 stops18h 34m
Copa Airlines
Fri 1/2312:53 am
MVD
-
STL
2 stops19h 50m
Copa Airlines
Deal found 1/18$5,430

Find flight deals from St. Louis to Uruguay

Keep the following information in mind while searching for St. Louis to Uruguay flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$961
(Ovago)
Provider with most accurate pricing for Lambert-St Louis-Montevideo Carrasco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Montevideo Carrasco flights.
Search Deals
From Lambert-St Louis to Uruguay
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from St. Louis to Uruguay that are best for you.

Fly from

St. Louis

Fly to

Uruguay

Route

Depart

Return

Price

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/11

9:00 am-3:55 pm

2 stops28h 55m

Montevideo Carrasco

Wed 6/17

11:35 am-2:37 pm

2 stops29h 02m

$961

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 5/2

1:11 pm-11:43 am

2 stops20h 32m

Montevideo Carrasco

Sun 5/10

5:55 pm-11:38 pm

2 stops31h 43m

$1,061

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 6/14

6:15 am-7:20 am

2 stops23h 05m

Montevideo Carrasco

Fri 6/19

12:40 am-9:42 am

2 stops35h 02m

$1,470

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/11

7:30 am-5:50 am

2 stops44h 20m

Montevideo Carrasco

Wed 6/17

4:55 pm-6:02 pm

3 stops51h 07m

$2,394

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 6/14

5:30 pm-6:21 pm

2 stops22h 51m

Montevideo Carrasco

Sat 6/20

4:55 pm-10:45 am

3 stops43h 50m

$2,531

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 5/2

12:11 pm-12:15 pm

3 stops22h 04m

Montevideo Carrasco

Sun 5/10

1:05 pm-10:16 am

2 stops23h 11m

$2,661

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/11

12:50 pm-12:15 pm

3 stops21h 25m

Montevideo Carrasco

Wed 6/17

1:05 pm-12:00 pm

3 stops24h 55m

$4,207

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 6/14

12:50 pm-12:15 pm

3 stops21h 25m

Montevideo Carrasco

Sat 6/20

1:05 pm-12:00 pm

3 stops24h 55m

$4,287

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Best time to book a flight from St. Louis to Uruguay

Have a flexible travel schedule? Discover the best time to fly to Uruguay from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Uruguay
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Uruguay

Get insights into the airlines that provide service to Uruguay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Uruguay. Reviews last updated January 20, 2026.
Read through reviews of airlines operating flights from St. Louis to Uruguay, such as LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,909 reviews

Food

6.7

Boarding

7.6

Entertainment

7.0

Comfort

7.3

Crew

8.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,909 reviews
LATAM Airlines
7.5
Good
1,909 reviews

Food

6.7

Boarding

7.6

Entertainment

7.0

Comfort

7.3

Crew

8.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Uruguay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Uruguay?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Uruguay from St. Louis.

  • How long is the flight from St. Louis to Uruguay?

    A quick flight from St. Louis to Uruguay can take about 23h 05m. LATAM Airlines provides one of the quickest options available for as low as $1,470. There are 5534 mi between St. Louis and Uruguay. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Uruguay that include hotel bookings?

    Yes. In addition to deals on St. Louis to Uruguay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Uruguay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Uruguay.

  • Can I find deals for business class flights from St. Louis to Uruguay?

    Yes. Cheapflights offers flight deals from St. Louis to Uruguay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for St. Louis to Uruguay

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from St. Louis to Uruguay

Discover the top airline that operate flights from St. Louis to Uruguay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$797Average$1,629FlexibilityNo cancel feeOn-time81%

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