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Ecuador

$185+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/3011:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Mon 1/126:50 pmGYE - STL
2 stops37h 01mMultiple Airlines
Deal found 12/13$790
This LATAM Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/149:30 amSTL - UIO
1 stop9h 30mLATAM Airlines
Thu 12/1811:45 pmUIO - STL
1 stop12h 09mLATAM Airlines
Deal found 12/13$869
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/1410:00 amSTL - UIO
2 stops13h 30mUnited Airlines
Wed 12/171:35 amUIO - STL
2 stops13h 51mUnited Airlines
Deal found 12/13$873
This American Airlines deal was found by Cheapflights users on 12/13. 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 12/306:00 pmSTL - GYE
1 stop28h 50mAmerican Airlines
Mon 1/127:15 amGYE - STL
1 stop26h 53mAmerican Airlines
Deal found 12/13$984
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/156:15 amSTL - UIO
1 stop17h 15mUnited Airlines
Wed 12/178:00 amUIO - STL
1 stop14h 58mUnited Airlines
Deal found 12/13$989
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/306:00 amSTL - GYE
2 stops37h 43mUnited Airlines
Mon 1/128:34 amGYE - STL
2 stops39h 24mUnited Airlines
Deal found 12/13$1,000
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/295:45 pmSTL - GYE
2 stops25h 58mUnited Airlines
Mon 1/58:34 amGYE - STL
2 stops38h 26mUnited Airlines
Deal found 12/13$1,086
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/266:35 pmSTL - GYE
2 stops22h 01mUnited Airlines
Mon 1/58:34 amGYE - STL
2 stops38h 26mUnited Airlines
Deal found 12/13$1,135
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/286:00 amSTL - GYE
2 stops16h 41mUnited Airlines
Mon 1/58:34 amGYE - STL
2 stops38h 26mUnited Airlines
Deal found 12/13$1,237
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/275:45 pmSTL - GYE
2 stops25h 58mUnited Airlines
Mon 1/58:34 amGYE - STL
2 stops38h 26mUnited Airlines
Deal found 12/13$1,250
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/2811:51 amSTL - GYE
1 stop11h 02mMultiple Airlines
Mon 1/56:55 pmGYE - STL
2 stops28h 38mMultiple Airlines
Deal found 12/13$1,343
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Mon 12/294:05 pmSTL - GYE
3 stops30h 30mMultiple Airlines
Mon 1/510:25 amGYE - STL
3 stops25h 31mMultiple Airlines
Deal found 12/13$1,530

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$615
(American Airlines)

One-way from

$185
(Mytrip)
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 December 15, 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. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 1/14

10:00 am-11:47 pm

1 stop12h 47m

Quito Mariscal Sucr

Tue 1/20

12:49 am-5:22 pm

1 stop17h 33m

$615

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/8

9:59 am-9:35 pm

1 stop10h 36m

Quito Mariscal Sucr

Wed 2/18

7:00 pm-11:02 am

2 stops17h 02m

$618

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/8

9:59 am-5:17 am

2 stops18h 18m

Quito Mariscal Sucr

Wed 2/18

7:00 pm-2:47 pm

2 stops20h 47m

$619

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 1/14

6:35 am-5:17 am

2 stops21h 42m

Quito Mariscal Sucr

Wed 1/21

11:45 pm-5:50 pm

1 stop19h 05m

$619

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/8

6:00 am-12:30 am

1 stop17h 30m

Quito Mariscal Sucr

Tue 2/17

1:35 am-9:23 am

1 stop8h 48m

$625

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 4/25

6:00 am-11:25 pm

1 stop17h 25m

Quito Mariscal Sucr

Mon 5/4

12:35 am-9:28 am

1 stop8h 53m

$625

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 4/25

11:51 am-8:09 pm

1 stop8h 18m

Quito Mariscal Sucr

Tue 5/5

7:00 pm-10:45 am

2 stops15h 45m

$629

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 2/1

9:59 am-9:35 pm

1 stop10h 36m

Quito Mariscal Sucr

Sun 2/22

7:00 pm-5:42 pm

2 stops23h 42m

$676

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Thu 5/21

6:00 am-4:58 am

2 stops22h 58m

Quito Mariscal Sucr

Sun 5/24

12:59 am-6:02 pm

1 stop17h 03m

$703

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 1/18

6:00 am-8:46 pm

2 stops13h 46m

Guayaquil Jose Joaquin de Olmedo

Thu 1/22

12:20 pm-9:22 am

2 stops22h 02m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 32 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 December 15, 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 December 15, 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

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
1,891 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
9,093 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
11,048 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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 10h 36m. American Airlines provides one of the quickest options available for as low as $618. 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

Browse thousands of different options on Cheapflights for your next trip

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$516Average$898FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$661Average$768FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$664Average$917FlexibilityNo cancel feeOn-time81%

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