Ecuador

$565+ Cheap flights from St. Louis (STL) to Ecuador

STL — UIO
Dec 5 — Dec 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Ecuador 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 St. Louis to Ecuador

Cheapest flights from St. Louis to Ecuador

Tue 12/87:03 am -
2 stops10h 49m
Tue 1/1912:55 am -
1 stop15h 56m
Deal found 11/3$689
Mon 12/76:00 am -
1 stop14h 25m
Thu 1/1412:55 am -
1 stop9h 22m
Deal found 11/4$698
Wed 11/256:15 pm -
1 stop19h 20m
Tue 12/16:00 am -
1 stop16h 50m
Deal found 11/3$707
Thu 12/106:00 am -
1 stop17h 30m
Tue 1/191:35 am -
1 stop13h 31m
Deal found 11/3$709
Tue 12/86:00 am -
2 stops11h 52m
Mon 1/188:55 am -
2 stops25h 22m
Deal found 11/4$713
Thu 12/106:00 am -
1 stop17h 30m
Wed 12/237:45 am -
1 stop15h 45m
Deal found 11/4$718
Tue 12/86:00 am -
2 stops11h 52m
Sun 1/1712:55 am -
1 stop16h 19m
Deal found 11/4$728
Tue 12/16:15 pm -
1 stop19h 16m
Sun 12/66:00 am -
1 stop16h 49m
Deal found 11/3$734
Thu 12/106:00 am -
1 stop17h 30m
Mon 1/181:35 am -
1 stop21h 59m
Deal found 11/3$734
Mon 12/76:00 am -
1 stop14h 25m
Mon 1/1812:55 am -
1 stop9h 22m
Deal found 11/4$742
Wed 11/258:30 am -
1 stop15h 00m
Wed 12/21:35 am -
1 stop13h 41m
Deal found 11/3$748
Sat 12/122:00 pm -
2 stops23h 31m
Mon 12/213:30 pm -
2 stops22h 50m
Deal found 10/31$869

Find flight deals from St. Louis to Ecuador

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$689
(Delta)

One-way from

$565
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Guayaquil Jose Joaquin de Olmedo flights.
From Lambert-St Louis to Ecuador
One-way flight from Lambert-St Louis to Ecuador

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Ecuador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Sat 12/26

6:15 am-12:30 am

1 stop17h 15m

Quito Mariscal Sucr

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$565

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Sat 12/26

6:21 pm-11:00 pm

3 stops27h 39m

Quito Mariscal Sucr

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$628

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Mon 12/7

3:00 pm-12:30 am

1 stop8h 30m

Quito Mariscal Sucr

Tue 12/15

1:35 am-9:45 am

1 stop9h 10m

$698

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Wed 11/25

6:15 pm-2:35 pm

1 stop19h 20m

Guayaquil Jose Joaquin de Olmedo

Tue 12/1

6:00 am-9:50 pm

1 stop16h 50m

$707

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Sat 3/6

6:00 am-12:30 am

2 stops41h 30m

Quito Mariscal Sucr

Tue 3/23

12:35 am-6:38 pm

1 stop18h 03m

$719

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Fri 1/22

5:00 am-11:37 pm

1 stop17h 37m

Guayaquil Jose Joaquin de Olmedo

Sun 1/31

6:00 am-10:42 pm

1 stop17h 42m

$732

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Tue 12/1

5:00 am-11:26 pm

2 stops17h 26m

Guayaquil Jose Joaquin de Olmedo

Sun 12/6

6:00 am-5:25 pm

1 stop12h 25m

$738

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Wed 11/25

8:30 am-12:30 am

1 stop15h 00m

Quito Mariscal Sucr

Wed 12/2

1:35 am-2:16 pm

1 stop13h 41m

$748

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Tue 12/1

6:00 am-12:30 am

1 stop17h 30m

Quito Mariscal Sucr

Tue 12/29

1:35 am-10:30 pm

1 stop21h 55m

$781

St. LouisQuito

STL Lambert-St Louis - UIO Quito Mariscal Sucr

STLUIO

Lambert-St Louis

Tue 12/8

7:03 am-6:52 pm

2 stops10h 49m

Quito Mariscal Sucr

Sat 1/16

8:55 am-9:17 am

2 stops25h 22m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Ecuador

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ecuador

See what other customers who have flown with Delta and American 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.

Food

7.2

Entertainment

7.8

Overall

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Food

7.2

Entertainment

7.8

Overall

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Food

7.2

Entertainment

7.8

Overall

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • 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 8h 30m. United Airlines provides one of the quickest options available for as low as $698. 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?

  • 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

Top 2 airlines flying from St. Louis to Ecuador

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$592Average$879FlexibilityNo cancel feeOn-time71%
DeltaCheapest$687Average$849FlexibilityNo cancel feeOn-timeN/A

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.