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Ecuador

$257+ Cheap flights from St. Louis (STL) to Ecuador

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Dec 30 — Jan 61
Tue 12/30
Tue 1/6
1 adult, Economy
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Find flight deals from St. Louis to Ecuador

Cheapest flights from St. Louis to Ecuador
Explore the most affordable flight options available from St. Louis to Ecuador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Thu 1/221:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$542
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Wed 1/211:26 amGYE - STL
2 stops23h 07mMultiple Airlines
Deal found 11/28$545
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Mon 1/191:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$548
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Sat 1/241:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$555
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Fri 1/231:26 amGYE - STL
2 stops23h 07mMultiple Airlines
Deal found 11/28$563
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Sun 1/181:26 amGYE - STL
2 stops22h 08mMultiple Airlines
Deal found 11/28$699
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Thu 1/221:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$723
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Wed 1/211:26 amGYE - STL
2 stops23h 07mMultiple Airlines
Deal found 11/28$725
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Mon 1/191:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$728
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Sat 1/241:26 amGYE - STL
2 stops30h 25mMultiple Airlines
Deal found 11/28$735
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Fri 1/231:26 amGYE - STL
2 stops23h 07mMultiple Airlines
Deal found 11/28$743
This United Airlines deal was found by Cheapflights users on 11/29. 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.
Sun 12/144:45 pmSTL - UIO
1 stop12h 25mUnited Airlines
Thu 12/188:00 amUIO - STL
1 stop9h 36mUnited Airlines
Deal found 11/29$989

Cheap flight deals from St. Louis to Ecuador

Keep the following information in mind while searching for St. Louis to Ecuador flight deals. Data was last updated November 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$542
(Kiwi.com)

One-way from

$257
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flights.
Search Deals
From Lambert-St Louis to Ecuador
Search Deals
One-way flight from Lambert-St Louis to Ecuador
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Ecuador 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 30, 2025.
Use the filters below to find and compare flights from St. Louis to Ecuador that are best for you.

Fly from

St. Louis

Fly to

Ecuador

Route

Depart

Return

Price

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 2/2

6:00 am-11:22 pm

2 stops16h 22m

Guayaquil Jose Joaquin de Olmedo

Mon 3/2

3:31 pm-10:59 am

2 stops20h 28m

$589

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 3/21

6:20 pm-1:30 pm

1 stop19h 10m

Guayaquil Jose Joaquin de Olmedo

Thu 4/2

6:12 am-7:30 pm

2 stops13h 18m

$599

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 3/4

1:10 pm-5:17 am

2 stops15h 07m

Quito Mariscal Sucr

Mon 3/16

7:00 pm-9:10 pm

2 stops26h 10m

$619

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 3/21

6:13 am-10:23 pm

2 stops16h 10m

Quito Mariscal Sucr

Thu 4/2

11:44 pm-5:40 pm

1 stop17h 56m

$629

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 5/8

10:00 am-10:45 pm

1 stop12h 45m

Quito Mariscal Sucr

Sun 5/17

11:40 pm-9:16 am

1 stop9h 36m

$635

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 1/23

6:00 am-9:35 pm

1 stop14h 35m

Quito Mariscal Sucr

Sun 2/1

7:00 pm-2:49 pm

2 stops20h 49m

$639

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/1

6:00 am-9:35 pm

1 stop14h 35m

Quito Mariscal Sucr

Sun 2/22

7:00 pm-5:42 pm

2 stops23h 42m

$639

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 3/21

5:00 pm-8:35 pm

1 stop27h 35m

Quito Mariscal Sucr

Thu 4/2

11:30 pm-5:53 pm

1 stop18h 23m

$653

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 5/8

6:15 am-11:25 pm

1 stop17h 10m

Quito Mariscal Sucr

Sat 5/16

12:35 am-2:18 pm

2 stops37h 43m

$655

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 1/24

6:00 am-11:42 pm

2 stops16h 42m

Guayaquil Jose Joaquin de Olmedo

Wed 1/28

12:20 pm-10:00 pm

2 stops34h 40m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 23 results
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Best time to book a flight from St. Louis to Ecuador

Have a flexible travel schedule? Discover the best time to fly to Ecuador from St. Louis 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 St. Louis to Ecuador

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

Find hourly flight availability from St. Louis to Ecuador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 30, 2025.

One of the essential ways to save on airfare from St. Louis to Ecuador is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.

Reviews of airlines servicing Ecuador

Get insights into the airlines that provide service to Ecuador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ecuador. Reviews last updated November 30, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and United Airlines from St. Louis to Ecuador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,889 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,055 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    For a flight from St. Louis to Ecuador, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

    A quick flight from St. Louis to Ecuador can take about 14h 35m. American Airlines provides one of the quickest options available for as low as $639. There are 2790 mi between St. Louis and Ecuador. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Ecuador?

    Most travelers choose Lambert-St Louis - Quito Mariscal Sucr, Lambert-St Louis - Guayaquil Jose Joaquin de Olmedo or Lambert-St Louis - Baltra when deciding on the best route from St. Louis to Ecuador.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Ecuador 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

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Alternative routes for St. Louis to Ecuador

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Ecuador

Discover the top 4 airlines that operate flights from St. Louis to Ecuador. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$516Average$890FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$763FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$917FlexibilityNo cancel feeOn-time81%

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