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Ecuador

$252+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UIO
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$660
(Delta)

One-way from

$252
(Kiwi.com)
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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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 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amSTL - UIO
1 stop14h 00mDelta
Sat 10/1811:20 pmUIO - STL
1 stop8h 50mDelta
Deal found 4/29$660
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amSTL - UIO
2 stops13h 05mLATAM Airlines
Sat 10/1811:20 pmUIO - STL
1 stop8h 50mLATAM Airlines
Deal found 4/29$664
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/258:25 amSTL - GYE
2 stops26h 52mUnited Airlines
Tue 7/293:15 amGYE - STL
2 stops30h 16mUnited Airlines
Deal found 4/29$691
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 10/812:28 pmSTL - UIO
2 stops34h 57mUnited Airlines
Fri 10/1712:35 amUIO - STL
2 stops18h 52mUnited Airlines
Deal found 4/29$696
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:35 amSTL - UIO
2 stops14h 10mAmerican Airlines
Sat 10/186:40 amUIO - STL
2 stops12h 27mAmerican Airlines
Deal found 4/29$706
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:25 amSTL - GYE
1 stop17h 04mAmerican Airlines
Wed 7/306:00 amGYE - STL
1 stop17h 57mAmerican Airlines
Deal found 4/29$1,467
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amSTL - GPS
3 stops28h 50mLATAM Airlines
Thu 6/191:40 pmGPS - STL
3 stops17h 43mLATAM Airlines
Deal found 4/28$1,605
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amSTL - GPS
2 stops27h 10mMultiple Airlines
Thu 6/1911:14 amGPS - STL
2 stops20h 09mMultiple Airlines
Deal found 4/28$1,726
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:00 pmSTL - UIO
3 stops34h 45mMultiple Airlines
Wed 1/710:00 amUIO - STL
2 stops30h 26mMultiple Airlines
Deal found 4/28$2,016
This Avianca deal was found by Cheapflights users on 4/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:50 amSTL - GYE
2 stops31h 30mAvianca
Tue 7/293:15 amGYE - STL
3 stops30h 44mAvianca
Deal found 4/29$2,337

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 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. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

6:00 am-8:00 pm

1 stop14h 00m

Quito Mariscal Sucr

Sat 10/18

11:20 pm-8:10 am

1 stop8h 50m

$660

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

6:00 am-7:05 pm

2 stops13h 05m

Quito Mariscal Sucr

Sat 10/18

11:20 pm-8:10 am

1 stop8h 50m

$664

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 6/25

8:25 am-11:17 am

2 stops26h 52m

Guayaquil Jose Joaquin de Olmedo

Tue 7/29

3:15 am-9:31 am

2 stops30h 16m

$691

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

5:30 pm-11:25 pm

2 stops29h 55m

Quito Mariscal Sucr

Fri 10/17

12:35 am-10:01 am

1 stop9h 26m

$696

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Wed 10/8

6:35 am-8:45 pm

2 stops14h 10m

Quito Mariscal Sucr

Sat 10/18

6:40 am-7:07 pm

2 stops12h 27m

$706

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 6/25

5:25 am-10:29 pm

1 stop17h 04m

Guayaquil Jose Joaquin de Olmedo

Wed 7/30

6:00 am-11:57 pm

1 stop17h 57m

$1,467

St. LouisBaltra

STL - GPS

STLGPS

Lambert-St Louis

Thu 6/12

6:00 am-9:50 am

3 stops28h 50m

Baltra

Thu 6/19

1:40 pm-8:23 am

3 stops17h 43m

$1,605

St. LouisBaltra

STL - GPS

STLGPS

Lambert-St Louis

Thu 6/12

6:00 am-8:10 am

2 stops27h 10m

Baltra

Thu 6/19

11:14 am-8:23 am

2 stops20h 09m

$1,726

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 6/25

9:50 am-5:20 pm

2 stops31h 30m

Guayaquil Jose Joaquin de Olmedo

Tue 7/29

3:15 am-9:59 am

3 stops30h 44m

$2,337

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sun 6/15

5:47 pm-10:25 pm

2 stops28h 38m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 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 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 30, 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 30, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines and United Airlines from St. Louis to Ecuador. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,317 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 cheapest airlines to fly from St. Louis to Ecuador one-way?

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $310. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from St. Louis to Ecuador for a low price.

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

    Most travelers choose Lambert-St Louis - Baltra, Lambert-St Louis - Quito Mariscal Sucr or Lambert-St Louis - Guayaquil Jose Joaquin de Olmedo 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$811FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$718FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$727FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$571Average$831FlexibilityNo cancel feeOn-time81%

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