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Cheap flights from St. Louis to Uruguay from $1,006

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Uruguay departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Delta Logo
9:00 am - 6:40 amSTL-MVD
18h 40m2 stops
Delta Logo
2:25 am - 9:41 amMVD-STL
34h 16m2 stops
$1,006Delta
Find Deal
Tue, Dec 2 - Thu, Dec 4
American Airlines Logo
7:58 pm - 10:15 amSTL-MVD
35h 17m2 stops
American Airlines Logo
11:25 pm - 3:37 pmMVD-STL
19h 12m1 stop
$1,171American Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
United Airlines Logo
6:15 am - 7:26 amSTL-MVD
22h 11m2 stops
United Airlines Logo
12:37 am - 9:58 pmMVD-STL
24h 21m2 stops
$1,185United Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 4
American Airlines Logo
1:55 pm - 10:15 amSTL-MVD
17h 20m2 stops
American Airlines Logo
11:25 pm - 6:23 pmMVD-STL
21h 58m2 stops
$1,581American Airlines
Find Deal
Wed, Dec 24 - Sun, Jan 11
American Airlines Logo
6:14 pm - 10:15 amSTL-MVD
13h 01m1 stop
American Airlines Logo
11:25 pm - 3:39 pmMVD-STL
19h 14m1 stop
$1,651American Airlines
Find Deal
Wed, Dec 24 - Sun, Jan 11
Logo
5:17 pm - 6:40 amSTL-MVD
34h 23m2 stops
Logo
2:30 am - 11:44 amMVD-STL
36h 14m2 stops
$1,812
Find Deal
Wed, Dec 24 - Sat, Jan 10
Logo
4:05 pm - 2:00 pmSTL-MVD
42h 55m3 stops
Logo
7:10 pm - 3:29 pmMVD-STL
47h 19m2 stops
$1,893
Find Deal
Wed, Dec 24 - Sun, Jan 11
Copa Airlines Logo
8:00 am - 7:26 amSTL-MVD
20h 26m2 stops
Copa Airlines Logo
12:37 am - 5:03 pmMVD-STL
19h 26m2 stops
$2,098Copa Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 4
Logo
4:05 pm - 2:00 pmSTL-MVD
42h 55m3 stops
Logo
2:30 am - 11:44 amMVD-STL
36h 14m2 stops
$2,166
Find Deal
Wed, Dec 24 - Sat, Jan 10

American Airlines flights from St. Louis to Uruguay

Our best American Airlines deals on St. Louis to Uruguay flight tickets
American Airlines
Dec 2
STL7:58 pmLambert-St Louis
35h 17m
2 stops
MVD10:15 amMontevideo Carrasco
Dec 5
MVD11:25 pmMontevideo Carrasco
19h 12m
1 stop
STL3:37 pmLambert-St Louis
$1,171
Find similar
American Airlines
Dec 24
STL1:55 pmLambert-St Louis
17h 20m
2 stops
MVD10:15 amMontevideo Carrasco
Jan 11
MVD11:25 pmMontevideo Carrasco
21h 58m
2 stops
STL6:23 pmLambert-St Louis
$1,581
Find similar
American Airlines
Dec 24
STL6:14 pmLambert-St Louis
13h 01m
1 stop
MVD10:15 amMontevideo Carrasco
Jan 11
MVD11:25 pmMontevideo Carrasco
19h 14m
1 stop
STL3:39 pmLambert-St Louis
$1,651
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Uruguay 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 August 18, 2025.
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

Tue 12/2

9:00 am-6:40 am

2 stops18h 40m

Montevideo Carrasco

Thu 12/4

2:25 am-9:41 am

2 stops34h 16m

$1,006

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

7:58 pm-10:15 am

2 stops35h 17m

Montevideo Carrasco

Fri 12/5

11:25 pm-3:37 pm

1 stop19h 12m

$1,171

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-9:58 pm

2 stops24h 21m

$1,185

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/24

1:55 pm-10:15 am

2 stops17h 20m

Montevideo Carrasco

Sun 1/11

11:25 pm-6:23 pm

2 stops21h 58m

$1,581

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/24

6:14 pm-10:15 am

1 stop13h 01m

Montevideo Carrasco

Sun 1/11

11:25 pm-3:39 pm

1 stop19h 14m

$1,651

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/24

5:17 pm-6:40 am

2 stops34h 23m

Montevideo Carrasco

Sat 1/10

2:30 am-11:44 am

2 stops36h 14m

$1,812

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/24

4:05 pm-2:00 pm

3 stops42h 55m

Montevideo Carrasco

Sun 1/11

7:10 pm-3:29 pm

2 stops47h 19m

$1,893

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

8:00 am-7:26 am

2 stops20h 26m

Montevideo Carrasco

Thu 12/4

12:37 am-5:03 pm

2 stops19h 26m

$2,098

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Wed 12/24

4:05 pm-2:00 pm

3 stops42h 55m

Montevideo Carrasco

Sat 1/10

2:30 am-11:44 am

2 stops36h 14m

$2,166

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Uruguay from

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

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 Uruguay?

On average, the least expensive day to fly to Uruguay from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $1,185. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,692.

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

Flying to Uruguay from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,354 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $1,386. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap St. Louis to Uruguay flight deals and tips

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

Best Price Found

$1,006

Fastest flight time

13h 01m

Direct flights

None

Airports in Uruguay

1 airport
The best flight deal from St. Louis to Uruguay found on momondo in the last 72 hours is $1,006
The fastest flight from St. Louis to Uruguay takes 13h 01m
There are no direct flights from St. Louis to Uruguay. Popular non-direct route for this connection is Lambert-St Louis Airport - Montevideo Carrasco Airport.
There is 1 airport near Uruguay: Montevideo Carrasco (MVD)
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Uruguay are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Uruguay.

  • What documentation or ID do you need to fly to Uruguay?

    The required travel and health documents for your Uruguay trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Uruguay. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Uruguay

Compare and see reviews for airlines that fly from St. Louis to Uruguay with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $866Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,006Free CancellationRating
8.0
7,981 reviews
Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Uruguay for you.

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

All flight searches from St. Louis to Uruguay on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Uruguay.

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

Of course. momondo tracks the price of St. Louis to Uruguay flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Uruguay

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Popular flights according to clicks in the last 7 days on momondo
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