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St. Louis

$694+ Cheap flights from Ecuador to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — STL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Ecuador to St. Louis

Keep the following information in mind while searching for Ecuador to St. Louis flight deals. Data was last updated January 14, 2026.

Round-trip from

$694
(American Airlines)
From Ecuador to Lambert-St Louis
Search Deals

Find flight deals from Ecuador to St. Louis

Cheapest flights from Ecuador to St. Louis
Explore the most affordable flight options available from Ecuador to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:40 pm
UIO
-
STL
1 stop10h 36m
American Airlines
Wed 4/155:24 am
STL
-
UIO
1 stop14h 13m
American Airlines
Deal found 1/14$694
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:35 am
UIO
-
STL
2 stops32h 00m
United Airlines
Thu 4/166:00 am
STL
-
UIO
1 stop17h 25m
United Airlines
Deal found 1/14$709
This American Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:30 am
UIO
-
STL
1 stop17h 26m
American Airlines
Sun 3/111:22 am
STL
-
UIO
1 stop10h 37m
American Airlines
Deal found 1/14$718
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:35 am
UIO
-
STL
1 stop21h 53m
United Airlines
Fri 4/177:45 am
STL
-
UIO
2 stops15h 40m
United Airlines
Deal found 1/14$721
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:35 am
UIO
-
STL
1 stop21h 52m
United Airlines
Fri 4/176:00 am
STL
-
UIO
1 stop17h 25m
United Airlines
Deal found 1/14$733
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/121:35 am
UIO
-
STL
2 stops37h 54m
United Airlines
Sun 3/16:55 pm
STL
-
UIO
2 stops28h 35m
United Airlines
Deal found 1/13$767
This Delta deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:50 pm
UIO
-
STL
2 stops16h 19m
Delta
Tue 4/141:40 pm
STL
-
UIO
2 stops15h 03m
Delta
Deal found 1/14$782
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:35 am
UIO
-
STL
1 stop8h 50m
United Airlines
Tue 4/1410:00 am
STL
-
UIO
2 stops13h 25m
United Airlines
Deal found 1/14$797

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ecuador to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Ecuador to St. Louis that are best for you.

Fly from

Ecuador

Fly to

St. Louis

Route

Depart

Return

Price

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 4/6

12:35 am-8:35 am

2 stops32h 00m

Lambert-St Louis

Thu 4/16

6:00 am-11:25 pm

1 stop17h 25m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 4/7

12:35 am-12:22 pm

2 stops35h 47m

Lambert-St Louis

Thu 4/16

6:00 am-11:25 pm

1 stop17h 25m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sun 4/5

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Tue 4/14

10:10 am-11:25 pm

1 stop13h 15m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 4/6

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Tue 4/14

10:10 am-11:25 pm

1 stop13h 15m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sun 4/5

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Wed 4/15

6:00 am-11:25 pm

1 stop17h 25m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sun 4/5

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Mon 4/13

4:49 pm-11:25 pm

1 stop30h 36m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 4/6

12:35 am-10:28 pm

1 stop21h 53m

Lambert-St Louis

Wed 4/15

6:00 am-11:25 pm

1 stop17h 25m

$709

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Fri 2/13

7:30 am-11:56 pm

1 stop17h 26m

Lambert-St Louis

Sun 3/1

11:22 am-10:59 pm

1 stop10h 37m

$718

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 4/6

12:35 am-8:35 am

2 stops32h 00m

Lambert-St Louis

Fri 4/17

6:35 pm-11:25 pm

2 stops28h 50m

$721

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Mon 4/6

7:25 am-9:25 am

1 stop26h 00m

Lambert-St Louis

Thu 4/16

9:10 am-11:25 pm

2 stops38h 15m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 19 results
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Best time to book a flight from Ecuador to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ecuador 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 Ecuador to St. Louis
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ecuador to St. Louis. 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 into for flights to St. Louis from Ecuador?

    If you book a flight to St. Louis from Ecuador, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from Ecuador to St. Louis?

    A quick flight from Ecuador to St. Louis can take about 32h. United Airlines provides one of the quickest options available for as low as $709. Airlines will cover a distance of 2790 mi.

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

    Yes. In addition to deals on Ecuador to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ecuador to St. Louis.

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

    Yes. Cheapflights offers flight deals from Ecuador to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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