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Ecuador

$168+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
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 noviembre 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 11/10. 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.
jue. 12/116:00 amSTL - UIO
1 stop13h 00mLATAM Airlines
jue. 12/1811:45 pmUIO - STL
1 stop9h 39mLATAM Airlines
Deal found 11/10$615
This Delta deal was found by Cheapflights users on 11/11. 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.
jue. 12/116:00 amSTL - UIO
1 stop13h 00mDelta
dom. 12/217:00 pmUIO - STL
2 stops22h 28mDelta
Deal found 11/11$629
This United Airlines deal was found by Cheapflights users on 11/10. 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.
lun. 12/16:15 amSTL - UIO
1 stop17h 15mUnited Airlines
mié. 12/178:00 amUIO - STL
1 stop9h 04mUnited Airlines
Deal found 11/10$690
This American Airlines deal was found by Cheapflights users on 11/10. 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.
dom. 11/305:15 amSTL - UIO
1 stop16h 49mAmerican Airlines
mar. 12/168:20 amUIO - STL
1 stop16h 39mAmerican Airlines
Deal found 11/10$742
This United Airlines deal was found by Cheapflights users on 11/10. 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.
dom. 11/306:15 amSTL - UIO
1 stop17h 15mUnited Airlines
mar. 12/168:00 amUIO - STL
2 stops29h 15mUnited Airlines
Deal found 11/10$746
This United Airlines deal was found by Cheapflights users on 11/10. 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.
jue. 12/116:15 amSTL - UIO
1 stop17h 15mUnited Airlines
mié. 12/171:35 amUIO - STL
2 stops13h 51mUnited Airlines
Deal found 11/10$760
This United Airlines deal was found by Cheapflights users on 11/12. 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.
jue. 12/411:10 amSTL - GYE
2 stops35h 31mUnited Airlines
vie. 2/202:35 pmGYE - STL
2 stops43h 48mUnited Airlines
Deal found 11/12$809
This Ovago deal was found by Cheapflights users on 11/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/149:30 amSTL - UIO
1 stop9h 30mLATAM Airlines
jue. 12/1811:45 pmUIO - STL
1 stop9h 39mLATAM Airlines
Deal found 11/12$824
This American Airlines deal was found by Cheapflights users on 11/10. 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.
jue. 12/45:10 amSTL - GYE
1 stop16h 56mAmerican Airlines
vie. 2/207:11 amGYE - STL
1 stop11h 18mAmerican Airlines
Deal found 11/10$1,057
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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.
dom. 12/79:30 amSTL - GPS
3 stops25h 05mLATAM Airlines
jue. 12/111:34 pmGPS - STL
3 stops18h 50mLATAM Airlines
Deal found 11/11$2,007
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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.
sáb. 11/157:05 amSTL - SCY
3 stops26h 59mLATAM Airlines
mié. 11/1910:30 amSCY - STL
3 stops24h 13mLATAM Airlines
Deal found 11/11$2,135

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 noviembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$615
(LATAM Airlines)

One-way from

$168
(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 noviembre 12, 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

vie. 1/16

6:00 am-11:42 pm

2 stops16h 42m

Guayaquil Jose Joaquin de Olmedo

sáb. 1/24

12:20 pm-9:22 am

2 stops22h 02m

$607

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

jue. 12/11

6:00 am-8:00 pm

1 stop13h 00m

Quito Mariscal Sucr

jue. 12/18

11:45 pm-8:24 am

1 stop9h 39m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

jue. 12/11

6:00 am-8:00 pm

1 stop13h 00m

Quito Mariscal Sucr

dom. 12/21

7:00 pm-4:28 pm

2 stops22h 28m

$629

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

jue. 1/15

9:59 am-7:20 am

2 stops20h 21m

Guayaquil Jose Joaquin de Olmedo

sáb. 1/24

4:30 pm-11:06 am

2 stops19h 36m

$646

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

dom. 2/1

9:59 am-9:35 pm

1 stop10h 36m

Quito Mariscal Sucr

dom. 2/22

7:00 pm-5:43 pm

2 stops23h 43m

$676

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

lun. 12/1

6:43 pm-12:30 am

2 stops28h 47m

Quito Mariscal Sucr

mar. 12/16

1:35 am-5:03 pm

2 stops16h 28m

$694

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

jue. 1/15

6:00 am-8:46 pm

2 stops13h 46m

Guayaquil Jose Joaquin de Olmedo

sáb. 1/24

12:20 pm-10:00 pm

2 stops34h 40m

$717

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

dom. 2/1

6:40 pm-12:30 am

2 stops28h 50m

Quito Mariscal Sucr

sáb. 2/21

1:35 am-9:23 am

1 stop8h 48m

$746

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

dom. 11/30

6:15 am-12:30 am

1 stop17h 15m

Quito Mariscal Sucr

lun. 12/15

1:35 am-9:40 pm

2 stops21h 05m

$746

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

jue. 12/4

11:10 am-11:41 pm

2 stops35h 31m

Guayaquil Jose Joaquin de Olmedo

vie. 2/20

2:35 pm-9:23 am

2 stops43h 48m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 18 results
1
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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 noviembre 12, 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 noviembre 12, 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
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,873 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
9,015 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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 13h. United Airlines provides one of the quickest options available for as low as $615. 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 noviembre 12, 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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