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 $1,317 on this airline. Additional options worth looking into are Copa Airlines and United Airlines, starting at $1,701 and $1,769 round-trip. LATAM Airlines is currently priced 7% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from St. Louis to Montevideo one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $622. However, be on the lookout for offers from Avianca and United Airlines, as they are both options that can get you from St. Louis to Montevideo for a low price.

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.

What is the cheapest day to fly from St. Louis to Montevideo?

Travelers seeking maximum savings on their St. Louis to Montevideo flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to Montevideo?

Friday flights are generally found to be more expensive for flights from St. Louis to Montevideo. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Montevideo.

What is the cheapest month to fly from St. Louis to Montevideo?

The best pricing can be found in the month of November. Prices to Montevideo from St. Louis average $1,416. You can even find prices in November for less than $1,416, as users have found deals to Montevideo from as low as $1,150. The month of April appears to be one of the more expensive times to travel to Montevideo from St. Louis. Flying in the targeted month can save you up to 25%.

What is the cheapest time of day to fly from STL to MVD?

It’s optimal to fly from St. Louis to Montevideo at noon. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the morning.

Most accurate provider : When it comes to deals on St. Louis-Montevideo flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Montevideo flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$622+ Flights from St. Louis to Montevideo - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from St. Louis to Montevideo

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,286 (Mytrip)
One-way from	$622 (Delta)
Popular in	April
Cheapest in	November
Average price	$1,779

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 Montevideo Carrasco

Search Deals

One-way flight from Lambert-St Louis to Montevideo Carrasco

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($166 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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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 April 30, 2025.

Mon 7/711:25 amSTL - MVD

2 stops35h 34mUnited Airlines

Mon 7/1412:50 amMVD - STL

2 stops37h 37mUnited Airlines

Deal found 4/27

$1,769

Mon 7/76:00 amSTL - MVD

2 stops40h 45mLATAM Airlines

Tue 7/154:40 amMVD - STL

2 stops21h 13mLATAM Airlines

Deal found 4/28

$1,829

Mon 7/712:28 pmSTL - MVD

2 stops21h 37mGOL

Tue 7/151:05 pmMVD - STL

2 stops24h 53mGOL

Deal found 4/27

$2,106

Mon 7/79:26 amSTL - MVD

2 stops24h 39mAmerican Airlines

Tue 7/151:05 pmMVD - STL

3 stops24h 51mAmerican Airlines

Deal found 4/28

$3,460

Best flights from St. Louis to Montevideo
Discover carefully curated flight deals from St. Louis to Montevideo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Thu 6/126:12 pmSTL - MVD

3 stops33h 38mMultiple Airlines

Sat 6/216:55 amMVD - STL

3 stops36h 09mMultiple Airlines

Deal found 4/29

$1,286

Thu 6/1210:48 amSTL - MVD

2 stops17h 47mLATAM Airlines

Sat 6/214:40 amMVD - STL

2 stops18h 54mLATAM Airlines

Deal found 4/29

$1,317

Fri 6/138:15 amSTL - MVD

2 stops21h 09mCopa Airlines

Fri 6/2012:40 amMVD - STL

2 stops20h 57mCopa Airlines

Deal found 4/29

$1,701

Mon 7/711:25 amSTL - MVD

2 stops35h 34mUnited Airlines

Mon 7/1412:50 amMVD - STL

2 stops37h 37mUnited Airlines

Deal found 4/27

$1,769

Mon 7/712:28 pmSTL - MVD

2 stops21h 37mGOL

Tue 7/151:05 pmMVD - STL

2 stops24h 53mGOL

Deal found 4/27

$2,106

Mon 7/79:26 amSTL - MVD

2 stops24h 39mAmerican Airlines

Tue 7/151:05 pmMVD - STL

3 stops24h 51mAmerican Airlines

Deal found 4/28

$3,460

One-way flights from St. Louis to Montevideo
Search for one-way flight options from St. Louis to Montevideo. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Tue 6/246:00 amSTL - MVD

2 stops22h 35mDelta

Deal found 4/28

$622

Mon 7/710:00 amSTL - MVD

2 stops17h 50mAvianca

Deal found 4/27

$696

Mon 7/78:00 amSTL - MVD

2 stops38h 59mUnited Airlines

Deal found 4/28

$844

Cheapflights Fare Finder

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

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/12

6:12 pm-5:50 am

3 stops33h 38m

Montevideo Carrasco

Sat 6/21

6:55 am-5:04 pm

3 stops36h 09m

$1,286

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 6/12

10:48 am-6:35 am

2 stops17h 47m

Montevideo Carrasco

Sat 6/21

4:40 am-9:34 pm

2 stops18h 54m

$1,317

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Fri 6/13

8:15 am-7:24 am

2 stops21h 09m

Montevideo Carrasco

Fri 6/20

12:40 am-7:37 pm

2 stops20h 57m

$1,701

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/7

11:25 am-12:59 am

2 stops35h 34m

Montevideo Carrasco

Mon 7/14

12:50 am-12:27 pm

2 stops37h 37m

$1,769

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/7

12:28 pm-12:05 pm

2 stops21h 37m

Montevideo Carrasco

Tue 7/15

1:05 pm-11:58 am

2 stops24h 53m

$2,106

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/7

9:26 am-12:05 pm

2 stops24h 39m

Montevideo Carrasco

Tue 7/15

1:05 pm-11:56 am

3 stops24h 51m

$3,460

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 6/24

6:00 am-6:35 am

2 stops22h 35m

$622

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/7

10:00 am-5:50 am

2 stops17h 50m

$696

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Mon 7/7

8:00 am-12:59 am

2 stops38h 59m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from St. Louis to Montevideo

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 April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Montevideo flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Montevideo

Rainfall in Montevideo by month

In terms of precipitation, rainfall in Montevideo ranges from 2.4 - 3.5 inches per month. March is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Montevideo when rainfall is around 2.4 in.

Temperature in Montevideo by month

If weather is an important factor for your trip to Montevideo, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Montevideo

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,767 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines

7.5

Good

1,411 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

GOL

7.3

Good

1,068 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 $1,317 on this airline. Additional options worth looking into are Copa Airlines and United Airlines, starting at $1,701 and $1,769 round-trip. LATAM Airlines is currently priced 7% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from St. Louis to Montevideo one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $622. However, be on the lookout for offers from Avianca and United Airlines, as they are both options that can get you from St. Louis to Montevideo for a low price.
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

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Top 2 airlines flying from St. Louis to Montevideo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$984	Average$1,360	FlexibilityNo cancel fee	On-time71%
LATAM Airlines	Cheapest$1,216	Average$1,629	FlexibilityNo cancel fee	On-time81%

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$622+ Cheap flights from St. Louis (STL) to Montevideo (MVD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Montevideo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Montevideo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Montevideo

Cheapest flights from St. Louis to MontevideoExplore 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 April 30, 2025.

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 April 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Montevideo that are best for you.

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Montevideo

Rainfall in Montevideo by month

Plan your trip to Montevideo by taking into account the average rainfall totals by month.

Temperature in Montevideo by month

Plan your trip to Montevideo by taking into account the average temperature totals by month.

Reviews of airlines servicing Montevideo

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.

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

What are the cheapest airlines to fly from St. Louis to Montevideo one-way?

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

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

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

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

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

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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 April 30, 2025.