Montevideo

$866+ Cheap flights from St. Louis (STL) to Montevideo (MVD)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MVD
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Montevideo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Montevideo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Montevideo (MVD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$1,156
(LATAM Airlines)
From Lambert-St Louis to Montevideo Carrasco

Find flight deals from St. Louis to Montevideo

Cheapest flights from St. Louis to Montevideo
Explore the most affordable flight options available from St. Louis to Montevideo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 12/34:36 pmSTL - MVD
1 stop14h 39mAmerican Airlines
Wed 12/1711:25 pmMVD - STL
1 stop21h 26mAmerican Airlines
Deal found 9/12$1,016
This Orbitz deal was found by Cheapflights users on 9/12. 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.
Wed 12/39:30 amSTL - MVD
2 stops28h 45mLATAM Airlines
Tue 12/162:25 amMVD - STL
2 stops43h 09mLATAM Airlines
Deal found 9/12$1,096
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amSTL - MVD
2 stops32h 15mLATAM Airlines
Fri 12/56:15 pmMVD - STL
2 stops19h 09mLATAM Airlines
Deal found 9/14$1,156
This United Airlines deal was found by Cheapflights users on 9/14. 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 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 stops24h 21mUnited Airlines
Deal found 9/14$1,185
This United deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:15 amSTL - MVD
2 stops16h 41mMultiple Airlines
Wed 10/297:05 amMVD - STL
2 stops29h 34mMultiple Airlines
Deal found 9/13$1,208
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/156:15 amSTL - MVD
2 stops40h 41mUnited Airlines
Tue 10/2812:35 amMVD - STL
2 stops17h 15mUnited Airlines
Deal found 9/13$1,219
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 12/148:41 amSTL - MVD
2 stops22h 29mAmerican Airlines
Tue 12/3011:15 pmMVD - STL
2 stops19h 45mAmerican Airlines
Deal found 9/14$1,311
This American Airlines deal was found by Cheapflights users on 9/12. 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 17mAmerican Airlines
Fri 12/511:25 pmMVD - STL
1 stop19h 23mAmerican Airlines
Deal found 9/12$1,341
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 12/154:36 pmSTL - MVD
2 stops16h 29mAmerican Airlines
Wed 12/3111:25 pmMVD - STL
2 stops16h 58mAmerican Airlines
Deal found 9/13$1,351
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/45:11 pmSTL - MVD
2 stops53h 45mUnited Airlines
Fri 10/1012:35 amMVD - STL
2 stops23h 23mUnited Airlines
Deal found 9/13$1,366

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from St. Louis to Montevideo that are best for you.

Fly from

St. Louis

Fly to

Montevideo

Route

Depart

Return

Price

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 2/5

10:00 am-10:35 am

2 stops21h 35m

Montevideo Carrasco

Mon 2/9

7:40 am-11:40 pm

2 stops19h 00m

$866

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 2/5

5:20 am-10:15 am

1 stop25h 55m

Montevideo Carrasco

Mon 2/9

11:25 pm-3:39 pm

1 stop19h 14m

$876

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/3

4:36 pm-10:15 am

1 stop14h 39m

Montevideo Carrasco

Wed 12/17

11:25 pm-5:51 pm

1 stop21h 26m

$1,016

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/3

9:30 am-5:15 pm

2 stops28h 45m

Montevideo Carrasco

Tue 12/16

2:25 am-6:34 pm

2 stops43h 09m

$1,096

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

9:30 am-5:15 pm

2 stops28h 45m

Montevideo Carrasco

Fri 12/5

7:40 am-11:41 pm

2 stops19h 01m

$1,156

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

6:15 am-7:26 am

2 stops22h 11m

Montevideo Carrasco

Thu 12/4

12:37 am-4:04 pm

2 stops18h 27m

$1,185

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 10/15

6:15 am-12:56 am

2 stops16h 41m

Montevideo Carrasco

Wed 10/29

7:05 am-10:39 am

2 stops29h 34m

$1,208

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 10/15

6:15 am-12:56 am

2 stops40h 41m

Montevideo Carrasco

Tue 10/28

12:35 am-3:50 pm

2 stops17h 15m

$1,219

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sun 12/14

4:36 pm-10:10 am

1 stop14h 34m

Montevideo Carrasco

Tue 12/30

11:15 pm-4:26 pm

2 stops20h 11m

$1,311

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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

Have a flexible travel schedule? Discover the best time to fly to Montevideo 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.

Reviews of airlines servicing Montevideo

Get insights into the airlines that provide service to Montevideo. 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 Montevideo. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Delta and LATAM Airlines from St. Louis to Montevideo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Montevideo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from St. Louis to Montevideo?

    A quick flight from St. Louis to Montevideo can take about 21h 35m. LATAM Airlines provides one of the quickest options available for as low as $866. There are 5534 mi between St. Louis and Montevideo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Montevideo round-trip?

    Our cheapest airline available from St. Louis to Montevideo is LATAM Airlines. Our recent data shows that you can find tickets from as low as $866 on this airline. An additional option worth looking into is Delta, starting at $1,006.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Montevideo?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Montevideo (average of $762). Flying from St. Louis to Montevideo in December is currently the most expensive (average of $1,208). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Montevideo

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Montevideo

Discover the top 2 airlines that operate flights from St. Louis to Montevideo. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$866Average$1,709FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,006Average$1,016FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.