Cheap flights from St. Louis to Uruguay from $797

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 3/8. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:05 pm - 6:00 pmSTL-MVD
20h 55m2 stops
Delta Logo
2:25 am - 11:40 pmMVD-STL
23h 15m2 stops
$797Delta
Find Deal
Sun, Mar 8 - Tue, Mar 17
Delta Logo
2:11 pm - 6:45 amSTL-MVD
37h 34m2 stops
Delta Logo
7:50 am - 12:48 amMVD-STL
19h 58m2 stops
$805Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
American Airlines Logo
8:13 am - 10:15 amSTL-MVD
23h 02m2 stops
American Airlines Logo
11:25 pm - 2:57 pmMVD-STL
18h 32m2 stops
$833American Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
American Airlines Logo
8:13 am - 10:15 amSTL-MVD
23h 02m2 stops
American Airlines Logo
11:25 pm - 10:05 pmMVD-STL
25h 40m1 stop
$843American Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
GOL Logo
11:30 am - 12:05 pmSTL-MVD
21h 35m2 stops
GOL Logo
3:30 am - 9:29 amMVD-STL
32h 59m2 stops
$1,134GOL
Find Deal
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
5:40 pm - 7:26 amSTL-MVD
34h 46m2 stops
United Airlines Logo
12:52 am - 9:13 pmMVD-STL
23h 21m2 stops
$1,149United Airlines
Find Deal
Sat, Feb 28 - Sat, Mar 7
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
LATAM Airlines Logo
10:00 am - 6:45 amSTL-MVD
41h 45m2 stops
LATAM Airlines Logo
2:25 am - 10:50 amMVD-STL
35h 25m2 stops
$1,456LATAM Airlines
Find Deal
Sat, Jan 10 - Fri, Jan 23
LATAM Airlines Logo
6:00 am - 6:45 amSTL-MVD
21h 45m2 stops
LATAM Airlines Logo
7:40 am - 9:04 amMVD-STL
28h 24m2 stops
$1,949LATAM Airlines
Find Deal
Fri, Dec 12 - Mon, Jan 5
GOL Logo
4:36 pm - 12:05 pmSTL-MVD
40h 29m2 stops
GOL Logo
2:30 am - 9:08 amMVD-STL
33h 38m2 stops
$2,752GOL
Find Deal
Fri, Dec 12 - Sun, Jan 4

Delta flights from St. Louis to Uruguay

Our best Delta deals on St. Louis to Uruguay flight tickets
Delta
Mar 8
STL7:05 pmLambert-St Louis
20h 55m
2 stops
MVD6:00 pmMontevideo Carrasco
Mar 17
MVD2:25 amMontevideo Carrasco
23h 15m
2 stops
STL11:40 pmLambert-St Louis
Delta
Dec 2
STL2:11 pmLambert-St Louis
37h 34m
2 stops
MVD6:45 amMontevideo Carrasco
Dec 5
MVD7:50 amMontevideo Carrasco
19h 58m
2 stops
STL12:48 amLambert-St Louis
Delta
Dec 20
STL7:00 amLambert-St Louis
20h 45m
2 stops
MVD6:45 amMontevideo Carrasco
Jan 2
MVD2:25 amMontevideo Carrasco
22h 18m
2 stops
STL9:43 pmLambert-St Louis

GOL flights from St. Louis to Uruguay

Our best GOL deals on St. Louis to Uruguay flight tickets
GOL
Feb 28
STL11:30 amLambert-St Louis
21h 35m
2 stops
MVD12:05 pmMontevideo Carrasco
Mar 7
MVD3:30 amMontevideo Carrasco
32h 59m
2 stops
STL9:29 amLambert-St Louis
GOL
Dec 12
STL4:36 pmLambert-St Louis
40h 29m
2 stops
MVD12:05 pmMontevideo Carrasco
Jan 4
MVD2:30 amMontevideo Carrasco
33h 38m
2 stops
STL9:08 amLambert-St Louis

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 October 16, 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

Sun 3/8

7:05 pm-6:00 pm

2 stops20h 55m

Montevideo Carrasco

Tue 3/17

2:25 am-11:40 pm

2 stops23h 15m

$797

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Tue 12/2

2:11 pm-6:45 am

2 stops37h 34m

Montevideo Carrasco

Fri 12/5

7:50 am-12:48 am

2 stops19h 58m

$805

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 1/10

8:13 am-10:15 am

2 stops23h 02m

Montevideo Carrasco

Sat 1/24

11:25 pm-2:57 pm

2 stops18h 32m

$833

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 1/10

8:13 am-10:15 am

2 stops23h 02m

Montevideo Carrasco

Sat 1/24

11:25 pm-10:05 pm

1 stop25h 40m

$843

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 2/28

11:30 am-12:05 pm

2 stops21h 35m

Montevideo Carrasco

Sat 3/7

3:30 am-9:29 am

2 stops32h 59m

$1,134

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Sat 2/28

5:40 pm-7:26 am

2 stops34h 46m

Montevideo Carrasco

Sat 3/7

12:52 am-9:13 pm

2 stops23h 21m

$1,149

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

Sat 1/10

10:00 am-6:45 am

2 stops41h 45m

Montevideo Carrasco

Fri 1/23

2:25 am-10:50 am

2 stops35h 25m

$1,456

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Fri 12/12

6:00 am-6:45 am

2 stops21h 45m

Montevideo Carrasco

Mon 1/5

7:40 am-9:04 am

2 stops28h 24m

$1,949

St. LouisMontevideo

STL - MVD

STLMVD

Lambert-St Louis

Fri 12/12

4:36 pm-12:05 pm

2 stops40h 29m

Montevideo Carrasco

Sun 1/4

2:30 am-9:08 am

2 stops33h 38m

$2,752

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

Direct flights

None
There are no direct flights from St. Louis to Uruguay. There are no popular flight routes from St. Louis to Uruguay.
  • 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
1,866 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,006Free CancellationRating
7.9
7,979 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.

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1 adult
Sat 11/15
Sat 11/22

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