HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montevideo

$1,141+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MVD
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
1 adult, Economy
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

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 diciembre 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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.
vie. 12/511:10 amSTL - MVD
2 stops34h 52mUnited Airlines
lun. 12/812:37 amMVD - STL
2 stops24h 21mUnited Airlines
Deal found 12/2$1,537
This FlightHub deal was found by Cheapflights users on 12/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/121:57 pmSTL - MVD
2 stops24h 18mLATAM Airlines
lun. 1/56:35 pmMVD - STL
2 stops43h 30mLATAM Airlines
Deal found 12/3$2,015
This American Airlines deal was found by Cheapflights users on 12/3. 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.
vie. 12/128:13 amSTL - MVD
2 stops22h 57mAmerican Airlines
lun. 1/511:15 pmMVD - STL
2 stops18h 49mAmerican Airlines
Deal found 12/3$2,482

Find 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 diciembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$950
(LATAM Airlines)
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 Montevideo Carrasco
Search Deals

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 diciembre 4, 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

sáb. 3/21

3:22 pm-12:05 pm

2 stops18h 43m

Montevideo Carrasco

lun. 3/30

1:05 pm-2:52 pm

2 stops27h 47m

$1,141

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

sáb. 3/21

6:30 pm-6:45 am

3 stops34h 15m

Montevideo Carrasco

lun. 3/30

6:55 am-3:24 pm

3 stops34h 29m

$1,744

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

sáb. 3/21

6:00 am-6:45 am

2 stops22h 45m

Montevideo Carrasco

lun. 3/30

7:35 am-11:42 pm

2 stops18h 07m

$3,920

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from St. Louis to Montevideo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Montevideo in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Montevideo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Montevideo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Montevideo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Montevideo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Montevideo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 diciembre 4, 2025.
Peruse reviews from past customers who have flown with 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.
LATAM Airlines
7.5
Good
1,890 reviews

Comfort

7.4

Overall

7.5

Boarding

7.6

Crew

8.0

Food

6.7

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,890 reviews
LATAM Airlines
7.5
Good
1,890 reviews

Comfort

7.4

Overall

7.5

Boarding

7.6

Crew

8.0

Food

6.7

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 18h 43m. GOL provides one of the quickest options available for as low as $1,141. 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 is the cheapest airline to fly 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.

  • 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.

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.
Kansas City to Montevideo flights

Top airline flying from St. Louis to Montevideo

Discover the top airline 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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$866Average$1,779FlexibilityNo cancel feeOn-time81%

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.