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Ecuador

$385+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$861
(United Airlines)

One-way from

$385
(Mytrip)

Popular in

May

Cheapest in

July

Average price

$561
Provider with most accurate pricing for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flights.
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From Lambert-St Louis to Ecuador
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One-way flight from Lambert-St Louis to Ecuador
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Highest demand for flights based on searches. 1% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 1, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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 6/255:55 pmSTL - GYE
2 stops32h 10mUnited Airlines
Tue 7/293:15 amGYE - STL
2 stops39h 38mUnited Airlines
Deal found 3/31$861
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:15 amSTL - GPS
3 stops29h 40mMultiple Airlines
Sat 9/201:23 pmGPS - STL
3 stops19h 38mMultiple Airlines
Deal found 3/31$963
This American Airlines deal was found by Cheapflights users on 3/31. 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 6/257:47 pmSTL - GYE
2 stops26h 42mAmerican Airlines
Wed 7/306:00 amGYE - STL
1 stop18h 29mAmerican Airlines
Deal found 3/31$1,160
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Fri 4/46:00 amSTL - UIO
2 stops17h 20mLATAM Airlines
Sun 4/610:59 pmUIO - STL
1 stop24h 30mLATAM Airlines
Deal found 3/31$1,542
This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:05 pmSTL - SCY
3 stops41h 21mLATAM Airlines
Sat 9/2010:45 amSCY - STL
3 stops35h 54mLATAM Airlines
Deal found 3/31$1,694
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/43:30 pmSTL - UIO
2 stops22h 50mMultiple Airlines
Sat 4/52:30 amUIO - STL
2 stops36h 19mMultiple Airlines
Deal found 3/31$5,114

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 April 1, 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

Wed 6/25

5:55 pm-2:05 am

2 stops32h 10m

Guayaquil Jose Joaquin de Olmedo

Tue 7/29

3:15 am-6:53 pm

2 stops39h 38m

$861

St. LouisBaltra

STL - GPS

STLGPS

Lambert-St Louis

Sun 9/14

6:15 am-10:55 am

3 stops29h 40m

Baltra

Sat 9/20

1:23 pm-10:01 am

3 stops19h 38m

$963

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 6/25

7:47 pm-10:29 pm

2 stops26h 42m

Guayaquil Jose Joaquin de Olmedo

Wed 7/30

6:00 am-12:29 am

1 stop18h 29m

$1,160

St. LouisSan Cristobal

STL - SCY

STLSCY

Lambert-St Louis

Sun 9/14

7:05 pm-11:26 am

3 stops41h 21m

San Cristobal

Sat 9/20

10:45 am-11:39 pm

3 stops35h 54m

$1,694

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 8/15

8:44 am-11:30 pm

3 stops38h 46m

$385

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 8/15

11:51 am-8:00 pm

1 stop8h 09m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 month to book a flight from St. Louis to Ecuador?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Ecuador (average of $463). Flying from St. Louis to Ecuador in December is currently the most expensive (average of $791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 April 1, 2025.

When flying from St. Louis to Ecuador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ecuador by month

Plan your trip to Ecuador by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ecuador ranges from 0.0 - 11.0 inches per month. March is typically the wettest month, when rainfall can reach 11.0 in. July is typically the driest time to visit Ecuador when rainfall is around 0.0 in.

Temperature in Ecuador by month

Plan your trip to Ecuador by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ecuador, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 77.0 F).

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 April 1, 2025.
LATAM Airlines
7.5
Good
1,754 reviews

Food

6.7

Comfort

7.4

Entertainment

7.0

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,754 reviews
LATAM Airlines
7.5
Good
1,754 reviews

Food

6.7

Comfort

7.4

Entertainment

7.0

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,615 reviews
LATAM Airlines
7.5
Good
1,754 reviews

Food

6.7

Comfort

7.4

Entertainment

7.0

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,754 reviews

Food

6.7

Comfort

7.4

Entertainment

7.0

Overall

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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.

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

    Most travelers choose Lambert-St Louis - Guayaquil Jose Joaquin de Olmedo, Lambert-St Louis - Baltra or Lambert-St Louis - San Cristobal 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.

  • What is the cheapest month to book a flight from St. Louis to Ecuador?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Ecuador (average of $463). Flying from St. Louis to Ecuador in December is currently the most expensive (average of $791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$811FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$699FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$749FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$571Average$817FlexibilityNo cancel feeOn-time81%
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