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Cheap flights from St. Louis to Montevideo from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Montevideo departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Montevideo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:25 am - 10:15 am
STL
-
MVD
21h 50m2 stops
American Airlines Logo
11:05 pm - 9:15 pm
MVD
-
STL
25h 10m2 stops
$954American Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
10:00 am - 10:15 am
STL
-
MVD
21h 15m1 stop
American Airlines Logo
11:05 pm - 5:22 pm
MVD
-
STL
21h 17m1 stop
$1,170American Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
4:05 pm - 6:10 pm
STL
-
MVD
23h 05m2 stops
Multiple Airlines Logo
7:50 am - 10:13 am
MVD
-
STL
29h 23m3 stops
$1,889Multiple Airlines
Sat, Jan 24 - Sat, Jan 31

American Airlines flights from St. Louis to Montevideo

Our best American Airlines deals on St. Louis to Montevideo flight tickets
American Airlines
Jan 24
STL10:00 amLambert-St Louis
21h 15m
1 stop
MVD10:15 amMontevideo Carrasco
Jan 31
MVD11:05 pmMontevideo Carrasco
25h 10m
2 stops
STL9:15 pmLambert-St Louis
$954
Find similar
American Airlines
Jan 24
STL10:00 amLambert-St Louis
21h 15m
1 stop
MVD10:15 amMontevideo Carrasco
Jan 31
MVD11:05 pmMontevideo Carrasco
21h 17m
1 stop
STL5:22 pmLambert-St Louis
$1,170
Find similar
American Airlines
Dec 12
STL4:36 pmLambert-St Louis
14h 34m
1 stop
MVD10:10 amMontevideo Carrasco
Jan 5
MVD11:15 pmMontevideo Carrasco
21h 07m
1 stop
STL5:22 pmLambert-St Louis
$2,383
Find similar

LATAM Airlines flights from St. Louis to Montevideo

Our best LATAM Airlines deals on St. Louis to Montevideo flight tickets
LATAM Airlines
Dec 15
STL5:12 pmLambert-St Louis
34h 33m
2 stops
MVD6:45 amMontevideo Carrasco
Dec 17
MVD11:35 amMontevideo Carrasco
26h 10m
2 stops
STL10:45 amLambert-St Louis
$1,566
Find similar
LATAM Airlines
Dec 12
STL1:57 pmLambert-St Louis
17h 33m
2 stops
MVD10:30 amMontevideo Carrasco
Jan 5
MVD6:35 pmMontevideo Carrasco
27h 37m
2 stops
STL7:12 pmLambert-St Louis
$2,803
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

Sat 1/24

9:25 am-10:15 am

2 stops21h 50m

Montevideo Carrasco

Sat 1/31

11:05 pm-9:15 pm

2 stops25h 10m

$954

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 1/24

10:00 am-10:15 am

1 stop21h 15m

Montevideo Carrasco

Sat 1/31

11:05 pm-5:22 pm

1 stop21h 17m

$1,170

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 1/24

4:05 pm-6:10 pm

2 stops23h 05m

Montevideo Carrasco

Sat 1/31

7:50 am-10:13 am

3 stops29h 23m

$1,889

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 1/1

11:51 am-10:30 am

3 stops19h 39m

$435

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Thu 1/1

9:47 am-10:30 am

2 stops21h 43m

$524

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Montevideo from

How to get the cheapest flight ticket from St. Louis to Montevideo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Montevideo?

The cheapest day to depart on your flight to Montevideo is on a Monday when prices can be found for as low as $1,185. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Montevideo for around $1,692.

What is the cheapest time of day to depart on your flight to Montevideo?

The cheapest time of day to fly to Montevideo is in the afternoon when flights can be purchased for as low as $1,354. In the morning is when there is more demand to fly to Montevideo, so prices are often more expensive at around $1,386 per ticket.

When to book flights from St. Louis to Montevideo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Montevideo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Montevideo (STL to MVD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Montevideo

Fastest flight time

21h 50m

Direct flights

None
The fastest flight from St. Louis to Montevideo takes 21h 50m
There are no direct flights from St. Louis to Montevideo. There are no popular flight routes from St. Louis to Montevideo.
Search flight deals

  • How far is Lambert-St Louis to Montevideo Carrasco by plane?

    Montevideo Carrasco is 5522.6 mi away from Lambert-St Louis. Typically, this will take 21h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Montevideo Carrasco Airport?

    Prices for flights from Lambert-St Louis Airport to Montevideo Carrasco Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Montevideo Carrasco Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Montevideo Carrasco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Montevideo Carrasco Airport.

  • What documentation or ID do you need to fly to Montevideo Carrasco Airport?

    The travel and health documents you'll need for your trip to Montevideo Carrasco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montevideo Carrasco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Montevideo?

Best airlines flying from St. Louis to Montevideo

Compare and see reviews for airlines that fly from St. Louis to Montevideo with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $866Free CancellationRating
7.5
1,887 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Montevideo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montevideo from St. Louis.

Can I find flights from St. Louis to Montevideo with flexible booking policies on momondo?

Flights from St. Louis to Montevideo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Montevideo?

Once all potential St. Louis to Montevideo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Montevideo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Montevideo, momondo offers a useful price alert feature which will track prices for flights to Montevideo from St. Louis and alert you when they change.

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