HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$692+ Cheap flights from Ecuador to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — STL
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ecuador to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ecuador to St. Louis

Keep the following information in mind while searching for Ecuador to St. Louis flight deals. Data was last updated junio 26, 2025.

Round-trip from

$692
(United Airlines)
From Ecuador to Lambert-St Louis
Search Deals

Find flight deals from Ecuador to St. Louis

Cheapest flights from Ecuador to St. Louis
Explore the most affordable flight options available from Ecuador to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

This United Airlines deal was found by Cheapflights users on 6/25. 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. 9/812:35 amUIO - STL
1 stop9h 26mUnited Airlines
mar. 9/168:20 amSTL - UIO
1 stop15h 05mUnited Airlines
Deal found 6/25$692
This American Airlines deal was found by Cheapflights users on 6/25. 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.
mar. 9/98:06 amUIO - STL
2 stops15h 01mAmerican Airlines
mar. 9/165:28 amSTL - UIO
1 stop14h 07mAmerican Airlines
Deal found 6/25$697
This Delta deal was found by Cheapflights users on 6/26. 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.
mié. 8/2011:15 pmUIO - STL
1 stop15h 22mDelta
sáb. 9/66:00 amSTL - UIO
2 stops13h 05mDelta
Deal found 6/26$755
This LATAM Airlines deal was found by Cheapflights users on 6/25. 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. 9/2711:20 pmUIO - STL
1 stop8h 50mLATAM Airlines
mar. 9/309:00 amSTL - UIO
1 stop10h 05mLATAM Airlines
Deal found 6/25$890

Cheapflights Fare Finder

Customize your flight search to find flights from Ecuador to St. Louis 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 junio 26, 2025.
Use the filters below to find and compare flights from Ecuador to St. Louis that are best for you.

Fly from

Ecuador

Fly to

St. Louis

Route

Depart

Return

Price

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

lun. 9/8

12:35 am-10:01 am

1 stop9h 26m

Lambert-St Louis

mar. 9/16

8:20 am-11:25 pm

1 stop15h 05m

$692

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

mar. 9/9

8:06 am-11:07 pm

2 stops15h 01m

Lambert-St Louis

mar. 9/16

5:28 am-7:35 pm

1 stop14h 07m

$697

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

mié. 8/20

11:15 pm-11:14 pm

1 stop23h 59m

Lambert-St Louis

sáb. 9/6

7:00 am-8:00 pm

1 stop13h 00m

$755

QuitoSt. Louis

UIO - STL

UIOSTL

Quito Mariscal Sucr

sáb. 9/27

11:20 pm-8:10 am

1 stop8h 50m

Lambert-St Louis

mar. 9/30

9:00 am-7:05 pm

1 stop10h 05m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Ecuador to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ecuador 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 Ecuador to St. Louis

What is the cheapest time of day to fly from EC to STL?

Find hourly flight availability from Ecuador to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 26, 2025.

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated junio 26, 2025.
Read through reviews of airlines operating flights from Ecuador to St. Louis, such as Delta, LATAM Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,798 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,838 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Ecuador to St. Louis. 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 into for flights to St. Louis from Ecuador?

    If you book a flight to St. Louis from Ecuador, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • Can I find deals for flights from Ecuador to St. Louis that include hotel bookings?

    Yes. In addition to deals on Ecuador to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ecuador to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ecuador to St. Louis.

  • Can I find deals for business class flights from Ecuador to St. Louis?

    Yes. Cheapflights offers flight deals from Ecuador to St. Louis 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 Ecuador to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Ecuador to St. Louis (average of $311). Flying from Ecuador to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Ecuador?

Book flights to Ecuador if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ecuador to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Guarulhos Intl to Kansas City flights
Bogotá to Kansas City flights
Jose Maria Cordova Intl to Kansas City flights
Guarulhos Intl to St. Louis flights
Bogotá to St. Louis flights
Quito to Kansas City flights
Quito to St. Louis flights
Guayaquil to Kansas City flights
Ministro Pistarini to St. Louis flights
Lima to St. Louis flights
Santiago to St. Louis flights
Lima to Kansas City flights
Ministro Pistarini to Kansas City flights
Rio de Janeiro–Galeão Intl to Kansas City flights
Brasilia to St. Louis flights
Jose Maria Cordova Intl to Joplin flights
Cali to Kansas City flights
Santa Cruz de la Sierra to Kansas City flights
Porto Alegre to Kansas City flights
Rio de Janeiro–Galeão Intl to Springfield flights
Recife to Kansas City flights
Cuenca to Kansas City flights
Brasilia to Kansas City flights
Guarulhos Intl to Joplin flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.