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St. Louis

$321+ Cheap flights from Ecuador to St. Louis (STL)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — STL
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap 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 May 22, 2026.

This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/197:25 am
UIO
-
STL
1 stop26h 42m
United Airlines
Wed 7/81:13 pm
STL
-
UIO
2 stops34h 12m
United Airlines
Deal found 5/22$794
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Sat 6/277:25 am
UIO
-
STL
2 stops40h 04m
United Airlines
Mon 9/710:53 am
STL
-
UIO
2 stops18h 07m
United Airlines
Deal found 5/18$800
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/197:25 am
UIO
-
STL
1 stop26h 42m
United Airlines
Sun 7/56:14 am
STL
-
UIO
1 stop17h 11m
United Airlines
Deal found 5/22$818
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/197:25 am
UIO
-
STL
1 stop26h 42m
United Airlines
Fri 7/109:20 am
STL
-
UIO
2 stops19h 40m
United Airlines
Deal found 5/22$824
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Sat 6/2711:59 pm
UIO
-
STL
1 stop10h 36m
American Airlines
Mon 9/75:00 am
STL
-
UIO
1 stop18h 59m
American Airlines
Deal found 5/18$859
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Tue 6/912:35 am
UIO
-
STL
2 stops20h 55m
United Airlines
Wed 7/157:05 pm
STL
-
UIO
2 stops33h 55m
United Airlines
Deal found 5/20$860
This American Airlines deal was found by Cheapflights users on 5/17. 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 7/16:01 am
UIO
-
STL
2 stops15h 36m
American Airlines
Wed 7/86:43 am
STL
-
UIO
2 stops15h 29m
American Airlines
Deal found 5/17$874
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Sat 6/207:25 am
UIO
-
STL
1 stop13h 25m
United Airlines
Wed 7/81:13 pm
STL
-
UIO
2 stops34h 12m
United Airlines
Deal found 5/22$876
This American Airlines deal was found by Cheapflights users on 5/17. 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 8/76:00 am
UIO
-
STL
1 stop16h 40m
American Airlines
Sun 8/166:03 am
STL
-
UIO
2 stops14h 57m
American Airlines
Deal found 5/17$878
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 6/912:35 am
UIO
-
STL
1 stop9h 32m
United Airlines
Sun 7/56:14 am
STL
-
UIO
1 stop17h 11m
United Airlines
Deal found 5/19$884

Find 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 May 22, 2026.

Round-trip from

$794
(United Airlines)

One-way from

$321
(Kiwi.com)
From Ecuador to Lambert-St Louis
Search Deals
One-way flight from Ecuador to Lambert-St Louis
Search Deals

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 May 22, 2026.
Use the filters below to find and compare flights from Ecuador to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 6/9

12:35 am-10:07 am

1 stop9h 32m

Lambert-St Louis

Wed 7/8

8:00 am-5:00 am

2 stops45h 00m

$860

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 6/9

12:35 am-9:30 pm

2 stops20h 55m

Lambert-St Louis

Wed 7/15

7:05 pm-5:00 am

2 stops33h 55m

$860

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Fri 8/7

6:00 am-10:40 pm

1 stop16h 40m

Lambert-St Louis

Sun 8/16

5:00 am-9:00 pm

1 stop16h 00m

$874

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 6/17

12:35 am-9:30 pm

2 stops44h 55m

Lambert-St Louis

Sat 7/11

5:33 pm-11:25 pm

2 stops29h 52m

$884

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Sun 9/27

12:35 am-2:07 pm

1 stop13h 32m

Lambert-St Louis

Thu 10/1

6:15 am-11:25 pm

1 stop17h 10m

$949
Quickest round-trip

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 6/9

12:35 am-10:07 am

1 stop9h 32m

Lambert-St Louis

Mon 7/6

8:00 am-5:00 am

2 stops21h 00m

$950
Cheapest one-way

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 6/17

4:45 am-11:49 pm

2 stops19h 04m

$321

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Wed 6/10

4:45 am-11:49 pm

2 stops19h 04m

$333

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 6/18

6:50 pm-8:52 am

3 stops38h 02m

$381

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 6/9

12:35 am-5:42 pm

1 stop17h 07m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 9h 32m. United Airlines provides one of the quickest options available for as low as $860. Airlines will cover a distance of 2790 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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