Ecuador

$238+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Apr 3 — Apr 101
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Cheap 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 March 4, 2026.

This Mytrip deal was found by Cheapflights users on 3/4. 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.
Sat 4/189:50 am
STL
-
GYE
3 stops13h 14m
Multiple Airlines
Sat 4/2511:59 pm
GYE
-
STL
3 stops18h 37m
Multiple Airlines
Deal found 3/4$608
This LATAM Airlines deal was found by Cheapflights users on 3/1. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:49 am
STL
-
UIO
1 stop8h 10m
LATAM Airlines
Wed 5/206:50 pm
UIO
-
STL
2 stops14h 54m
LATAM Airlines
Deal found 3/1$640
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 3/317:05 am
STL
-
UIO
2 stops15h 05m
American Airlines
Tue 4/711:40 pm
UIO
-
STL
2 stops14h 23m
American Airlines
Deal found 3/2$652
This American Airlines deal was found by Cheapflights users on 3/2. 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 5/1311:06 am
STL
-
UIO
1 stop11h 18m
American Airlines
Sat 5/236:00 am
UIO
-
STL
1 stop16h 58m
American Airlines
Deal found 3/2$657
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/1510:09 am
STL
-
GYE
2 stops13h 29m
United Airlines
Wed 4/228:28 am
GYE
-
STL
2 stops24h 57m
United Airlines
Deal found 3/1$659
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 5/1411:06 am
STL
-
UIO
1 stop8h 51m
American Airlines
Fri 8/2111:40 pm
UIO
-
STL
1 stop11h 18m
American Airlines
Deal found 3/2$670
This United Airlines deal was found by Cheapflights users on 3/3. 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 12/56:15 am
STL
-
UIO
1 stop17h 15m
United Airlines
Mon 12/141:35 am
UIO
-
STL
1 stop16h 00m
United Airlines
Deal found 3/3$677
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/156:00 am
STL
-
UIO
1 stop17h 25m
United Airlines
Fri 8/217:25 am
UIO
-
STL
1 stop30h 43m
United Airlines
Deal found 3/2$678
This LATAM Airlines deal was found by Cheapflights users on 3/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:30 pm
STL
-
UIO
2 stops14h 28m
Multiple Airlines
Tue 12/157:00 pm
UIO
-
STL
2 stops16h 48m
Multiple Airlines
Deal found 3/3$682
This LATAM Airlines deal was found by Cheapflights users on 3/2. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:49 am
STL
-
UIO
2 stops12h 11m
LATAM Airlines
Mon 5/186:50 pm
UIO
-
STL
2 stops14h 54m
LATAM Airlines
Deal found 3/2$683
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/155:24 am
STL
-
GYE
1 stop15h 48m
American Airlines
Wed 4/226:05 am
GYE
-
STL
1 stop16h 19m
American Airlines
Deal found 3/1$685
This Flysmarter deal was found by Cheapflights users on 2/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
STL
-
GYE
2 stops11h 31m
Air Canada
Mon 4/208:28 am
GYE
-
STL
2 stops24h 57m
Air Canada
Deal found 2/27$711

Find 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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(Mytrip)

One-way from

$238
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flights.
From Lambert-St Louis to Ecuador
One-way flight from Lambert-St Louis to Ecuador

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 March 4, 2026.
Use the filters below to find and compare flights from St. Louis to Ecuador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/18

9:50 am-11:04 pm

3 stops13h 14m

Guayaquil Jose Joaquin de Olmedo

Sat 4/25

11:59 pm-6:36 pm

3 stops18h 37m

$608

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 5/13

10:49 am-6:59 pm

1 stop8h 10m

Quito Mariscal Sucr

Wed 5/20

6:50 pm-9:44 am

2 stops14h 54m

$640

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 4/15

9:10 am-11:25 pm

2 stops14h 15m

Quito Mariscal Sucr

Tue 4/21

12:35 am-4:08 pm

1 stop15h 33m

$647

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 3/30

10:12 am-6:59 pm

1 stop8h 47m

Quito Mariscal Sucr

Sun 4/5

12:59 am-3:13 pm

1 stop14h 14m

$647

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Mon 3/30

6:00 am-11:25 pm

1 stop17h 25m

Quito Mariscal Sucr

Mon 4/6

7:25 am-10:45 am

2 stops27h 20m

$652

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 4/15

10:09 am-11:38 pm

2 stops13h 29m

Guayaquil Jose Joaquin de Olmedo

Wed 4/22

8:28 am-9:25 am

2 stops24h 57m

$659

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 5/15

6:00 am-11:25 pm

1 stop17h 25m

Quito Mariscal Sucr

Fri 8/21

7:25 am-2:08 pm

1 stop30h 43m

$678

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 4/15

5:24 am-9:12 pm

1 stop15h 48m

Guayaquil Jose Joaquin de Olmedo

Wed 4/22

6:05 am-10:24 pm

1 stop16h 19m

$685

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 4/18

11:42 am-11:00 pm

2 stops11h 18m

Quito Mariscal Sucr

Sat 4/25

6:50 pm-10:34 am

2 stops15h 44m

$692

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 4/13

6:00 am-5:31 pm

2 stops11h 31m

Guayaquil Jose Joaquin de Olmedo

Mon 4/20

8:28 am-9:25 am

2 stops24h 57m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 28 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 March 4, 2026.
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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

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 8h 10m. LATAM Airlines provides one of the quickest options available for as low as $640. 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?

  • 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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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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$516Average$898FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$818FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$782FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$902FlexibilityNo cancel feeOn-time81%

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