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

Currently, May is the cheapest month in which you can book a flight from St. Louis to Uruguay (average of $762). Flying from St. Louis to Uruguay 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 month to fly from St. Louis to Uruguay?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, November can be a great choice for travel to Uruguay. Flights to Uruguay from St. Louis in November are about $1,418 on average during November, but can be found for as low as $1,150.

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

When flying from St. Louis to Uruguay, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$2,032+ Flights from St. Louis to Uruguay

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Cheap flight deals from St. Louis to Uruguay

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,286 (Delta)
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 Uruguay

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One-way flight from Lambert-St Louis to Uruguay

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Highest demand for flights based on searches. 10% potential increase in price ($164 potential increase over avg. RT price).

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

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Average for round-trip flights in April 2025

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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 abril 17, 2025.

dom. 6/15:40 pmSTL - MVD

2 stops23h 25mDelta

dom. 6/812:45 pmMVD - STL

2 stops22h 58mDelta

Deal found 4/17

$1,286

dom. 6/110:05 amSTL - MVD

3 stops21h 50mLATAM Airlines

dom. 6/87:25 amMVD - STL

2 stops36h 40mLATAM Airlines

Deal found 4/17

$1,524

dom. 6/18:10 amSTL - MVD

2 stops38h 49mUnited Airlines

sáb. 6/712:40 amMVD - STL

2 stops48h 05mUnited Airlines

Deal found 4/17

$1,726

mar. 6/1710:08 amSTL - MVD

2 stops43h 42mIberia

mié. 9/312:50 pmMVD - STL

2 stops33h 31mIberia

Deal found 4/16

$2,867

Best flights from St. Louis to Uruguay
Discover carefully curated flight deals from St. Louis to Uruguay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 17, 2025.

dom. 6/15:40 pmSTL - MVD

2 stops23h 25mDelta

dom. 6/812:45 pmMVD - STL

2 stops22h 58mDelta

Deal found 4/17

$1,286

dom. 6/110:05 amSTL - MVD

3 stops21h 50mLATAM Airlines

dom. 6/87:25 amMVD - STL

2 stops36h 40mLATAM Airlines

Deal found 4/17

$1,524

dom. 6/18:10 amSTL - MVD

2 stops38h 49mUnited Airlines

sáb. 6/712:40 amMVD - STL

2 stops48h 05mUnited Airlines

Deal found 4/17

$1,726

mar. 6/1710:08 amSTL - MVD

2 stops43h 42mIberia

mié. 9/312:50 pmMVD - STL

2 stops33h 31mIberia

Deal found 4/16

$2,867

One-way flights from St. Louis to Uruguay
Search for one-way flight options from St. Louis to Uruguay. Find affordable one-way fares based on user searches. Data last updated abril 17, 2025.

mar. 6/245:23 pmSTL - MVD

2 stops23h 42mDelta

Deal found 4/17

$622

mar. 6/247:20 amSTL - MVD

3 stops22h 04mUnited Airlines

Deal found 4/17

$4,528

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

dom. 6/1

5:40 pm-7:05 pm

2 stops23h 25m

Montevideo Carrasco

dom. 6/8

12:45 pm-9:43 am

2 stops22h 58m

$1,286

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

dom. 6/1

10:05 am-9:55 am

3 stops21h 50m

Montevideo Carrasco

dom. 6/8

7:25 am-6:05 pm

2 stops36h 40m

$1,524

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

dom. 6/1

8:10 am-12:59 am

2 stops38h 49m

Montevideo Carrasco

sáb. 6/7

12:40 am-10:45 pm

2 stops48h 05m

$1,726

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

mar. 6/17

10:08 am-7:50 am

2 stops43h 42m

Montevideo Carrasco

mié. 9/3

12:50 pm-8:21 pm

2 stops33h 31m

$2,867

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

mar. 6/24

5:23 pm-7:05 pm

2 stops23h 42m

$622

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

mar. 6/24

7:20 am-7:24 am

3 stops22h 04m

$4,528

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

Rainfall in Uruguay by month

In terms of precipitation, rainfall in Uruguay 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 Uruguay when rainfall is around 2.4 in.

Temperature in Uruguay by month

If weather is an important factor for your trip to Uruguay, 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 Uruguay

Delta

8.0

Very good

7,917 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

7,917 reviews

Delta

8.0

Very good

7,917 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

1,761 reviews

Delta

8.0

Very good

7,917 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

8,667 reviews

Delta

8.0

Very good

7,917 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.

Iberia

7.0

Good

2,676 reviews

Delta

8.0

Very good

7,917 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 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.
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.
What is the cheapest month to book a flight from St. Louis to Uruguay?
Currently, May is the cheapest month in which you can book a flight from St. Louis to Uruguay (average of $762). Flying from St. Louis to Uruguay 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 Uruguay

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 Uruguay

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 Uruguay 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 Uruguay

Keep the following information in mind while searching for St. Louis to Uruguay flight deals. Data was last updated abril 17, 2025.

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 Uruguay

Cheapest flights from St. Louis to UruguayExplore 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 abril 17, 2025.

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 abril 17, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Rainfall in Uruguay by month

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

Temperature in Uruguay by month

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

Reviews of airlines servicing Uruguay

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?

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

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

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

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

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 Uruguay

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

Top 2 airlines flying from St. Louis to Uruguay

100% Free

Book with Flexibility

Travel Smart

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 abril 17, 2025.