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St. Louis

$696+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — STL
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Round-trip from

$705
(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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/23. 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 12/238:00 amUIO - STL
1 stop14h 55mUnited Airlines
Tue 12/309:55 amSTL - UIO
2 stops43h 15mUnited Airlines
Deal found 11/23$747
This Delta deal was found by Cheapflights users on 11/24. 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.
Tue 12/2311:45 pmUIO - STL
1 stop24h 53mDelta
Sun 1/47:02 pmSTL - UIO
1 stop25h 33mDelta
Deal found 11/24$882
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/221:35 amUIO - STL
1 stop21h 20mUnited Airlines
Sun 1/411:05 amSTL - UIO
2 stops42h 05mUnited Airlines
Deal found 11/24$997
This Mytrip deal was found by Cheapflights users on 11/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 amUIO - STL
3 stops33h 59mMultiple Airlines
Tue 12/3011:51 amSTL - UIO
2 stops18h 34mMultiple Airlines
Deal found 11/23$1,116
This FlightHub deal was found by Cheapflights users on 11/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 pmUIO - STL
2 stops22h 43mLATAM Airlines
Sun 1/45:13 pmSTL - UIO
2 stops28h 47mLATAM Airlines
Deal found 11/25$1,158

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 November 26, 2025.
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

Thu 4/16

12:35 am-9:03 pm

2 stops20h 28m

Lambert-St Louis

Wed 5/6

8:50 am-11:25 pm

1 stop14h 35m

$696

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 4/16

12:35 am-9:47 pm

2 stops21h 12m

Lambert-St Louis

Thu 5/7

6:15 am-11:25 pm

1 stop17h 10m

$696

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 4/16

12:35 am-10:59 pm

2 stops22h 24m

Lambert-St Louis

Tue 5/5

4:17 pm-11:25 pm

1 stop31h 08m

$696

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Tue 1/20

12:49 am-5:22 pm

1 stop17h 33m

Lambert-St Louis

Sun 3/1

11:19 am-8:35 pm

1 stop8h 16m

$705

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

Thu 1/22

7:04 am-11:59 pm

1 stop17h 55m

Lambert-St Louis

Sun 3/1

5:05 am-8:35 pm

1 stop14h 30m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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

What is the cheapest time of day to fly from EC to STL?

Find hourly flight availability from Ecuador to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Ecuador to St. Louis by exploring options for tickets in the afternoon.

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 17h 33m. United Airlines provides one of the quickest options available for as low as $705. 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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