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$805+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MVD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$797
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Montevideo Carrasco flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Montevideo Carrasco flights.
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From Lambert-St Louis to Uruguay
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Find 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:11 pmSTL - MVD
2 stops37h 34mDelta
Fri 12/57:50 amMVD - STL
2 stops19h 58mDelta
Deal found 10/14$805
This Expedia deal was found by Cheapflights users on 10/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:33 amSTL - MVD
2 stops42h 12mLATAM Airlines
Sun 12/77:50 amMVD - STL
2 stops18h 50mLATAM Airlines
Deal found 10/16$858
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Tue 12/27:58 pmSTL - MVD
2 stops35h 12mAmerican Airlines
Fri 12/510:40 pmMVD - STL
1 stop20h 08mAmerican Airlines
Deal found 10/14$935
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/306:15 amSTL - MVD
2 stops22h 11mUnited Airlines
Sat 12/612:37 amMVD - STL
2 stops24h 21mUnited Airlines
Deal found 10/16$1,224
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 12/26:15 amSTL - MVD
2 stops22h 11mUnited Airlines
Thu 12/412:37 amMVD - STL
2 stops18h 27mUnited Airlines
Deal found 10/15$1,297
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/305:15 amSTL - MVD
2 stops27h 50mAmerican Airlines
Sun 12/710:40 pmMVD - STL
1 stop20h 26mAmerican Airlines
Deal found 10/16$1,522
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/304:05 pmSTL - MVD
3 stops35h 40mMultiple Airlines
Sun 12/77:05 amMVD - STL
2 stops35h 24mMultiple Airlines
Deal found 10/16$1,887
This Justfly.com deal was found by Cheapflights users on 10/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amSTL - MVD
2 stops21h 45mLATAM Airlines
Mon 1/57:40 amMVD - STL
2 stops28h 24mLATAM Airlines
Deal found 10/14$1,949
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 12/121:20 pmSTL - MVD
2 stops17h 50mAmerican Airlines
Mon 1/511:15 pmMVD - STL
2 stops19h 59mAmerican Airlines
Deal found 10/15$2,019

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 October 16, 2025.
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

Tue 12/2

2:11 pm-6:45 am

2 stops37h 34m

Montevideo Carrasco

Fri 12/5

7:50 am-12:48 am

2 stops19h 58m

$805

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 3/8

5:03 pm-10:10 am

1 stop15h 07m

Montevideo Carrasco

Wed 3/18

1:05 pm-4:09 pm

2 stops29h 04m

$844

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 2/28

9:55 am-10:15 am

2 stops21h 20m

Montevideo Carrasco

Sun 3/8

1:10 pm-4:09 pm

2 stops28h 59m

$883

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 3/8

7:30 am-6:45 am

2 stops21h 15m

Montevideo Carrasco

Tue 3/17

2:25 am-11:40 pm

2 stops23h 15m

$906

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

7:58 pm-10:10 am

2 stops35h 12m

Montevideo Carrasco

Fri 12/5

10:40 pm-3:48 pm

1 stop20h 08m

$935

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 1/10

5:07 pm-10:15 am

1 stop14h 08m

Montevideo Carrasco

Sat 1/24

11:25 pm-10:05 pm

1 stop25h 40m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 October 16, 2025.
Read through reviews of airlines operating flights from St. Louis to Uruguay, such as Delta and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,866 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 15h 07m. Delta provides one of the quickest options available for as low as $844. 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 2 airlines flying from St. Louis to Uruguay

Discover the top 2 airlines 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$866Average$1,709FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,006Average$1,016FlexibilityNo cancel feeOn-timeN/A

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