Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Ecuador from $630

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ecuador departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Ecuador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:57 pm - 8:20 pm
STL
-
GYE
27h 23m
3 stops
Multiple Airlines Logo
6:50 pm - 2:56 pm
GYE
-
STL
20h 06m
3 stops
$630Multiple Airlines
Fri, Jul 24 - Fri, Jul 31
Multiple Airlines Logo
7:10 pm - 11:30 pm
STL
-
GYE
28h 20m
3 stops
Multiple Airlines Logo
6:50 pm - 6:05 pm
GYE
-
STL
47h 15m
3 stops
$690Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
9:47 am - 11:02 pm
STL
-
UIO
12h 15m
2 stops
American Airlines Logo
8:27 am - 10:32 pm
UIO
-
STL
15h 05m
1 stop
$732American Airlines
Sat, Nov 7 - Sat, Nov 14
United Airlines Logo
6:14 am - 11:25 pm
STL
-
UIO
17h 11m
1 stop
United Airlines Logo
12:35 am - 10:07 am
UIO
-
STL
9h 32m
1 stop
$747United Airlines
Fri, Jul 10 - Thu, Jul 16
United Airlines Logo
6:14 am - 11:25 pm
STL
-
UIO
17h 11m
1 stop
United Airlines Logo
7:25 am - 12:11 pm
UIO
-
STL
28h 46m
2 stops
$752United Airlines
Fri, Jul 10 - Fri, Jul 17
LATAM Airlines Logo
7:05 pm - 9:25 pm
STL
-
UIO
25h 20m
1 stop
LATAM Airlines Logo
12:55 am - 10:48 am
UIO
-
STL
10h 53m
1 stop
$757LATAM Airlines
Sat, Nov 7 - Fri, Nov 13
United Airlines Logo
8:50 am - 12:30 am
STL
-
UIO
14h 40m
1 stop
United Airlines Logo
1:35 am - 4:35 pm
UIO
-
STL
16h 00m
1 stop
$761United Airlines
Fri, Nov 13 - Mon, Nov 16
Copa Airlines Logo
6:14 am - 8:53 pm
STL
-
GYE
14h 39m
2 stops
Copa Airlines Logo
2:37 pm - 10:45 pm
GYE
-
STL
32h 08m
2 stops
$770Copa Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
5:30 am - 10:37 pm
STL
-
GYE
17h 07m
2 stops
American Airlines Logo
6:00 am - 11:32 pm
GYE
-
STL
17h 32m
2 stops
$780American Airlines
Fri, Jul 24 - Fri, Jul 31
LATAM Airlines Logo
7:05 pm - 1:38 pm
STL
-
SCY
43h 33m
3 stops
LATAM Airlines Logo
10:45 am - 5:06 pm
SCY
-
STL
29h 21m
2 stops
$2,146LATAM Airlines
Wed, Oct 21 - Sat, Oct 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Copa Airlines flights from St. Louis to Ecuador

Our best Copa Airlines deals on St. Louis to Ecuador flight tickets
Copa Airlines
Jul 26
STL6:14 amLambert-St Louis
14h 39m
2 stops
GYE8:53 pmGuayaquil Jose Joaquin de Olmedo
Aug 2
GYE2:37 pmGuayaquil Jose Joaquin de Olmedo
32h 08m
2 stops
STL10:45 pmLambert-St Louis
$770
Copa Airlines
Jun 17
STL6:00 amLambert-St Louis
18h 34m
2 stops
UIO12:34 amQuito Mariscal Sucr
Jun 22
UIO3:07 amQuito Mariscal Sucr
18h 23m
2 stops
STL9:30 pmLambert-St Louis
$806
Copa Airlines
Jun 15
STL7:22 amLambert-St Louis
16h 11m
2 stops
UIO11:33 pmQuito Mariscal Sucr
Jun 17
UIO6:30 pmQuito Mariscal Sucr
21h 16m
2 stops
STL3:46 pmLambert-St Louis
$902

LATAM Airlines flights from St. Louis to Ecuador

Our best LATAM Airlines deals on St. Louis to Ecuador flight tickets
LATAM Airlines
Nov 7
STL7:05 pmLambert-St Louis
25h 20m
1 stop
UIO9:25 pmQuito Mariscal Sucr
Nov 13
UIO12:55 amQuito Mariscal Sucr
10h 53m
1 stop
STL10:48 amLambert-St Louis
$757
LATAM Airlines
Oct 21
STL7:05 pmLambert-St Louis
43h 33m
3 stops
SCY1:38 pmSan Cristobal
Oct 24
SCY10:45 amSan Cristobal
29h 21m
2 stops
STL5:06 pmLambert-St Louis
$2,146
LATAM Airlines
Jun 23
STL10:51 amLambert-St Louis
24h 25m
3 stops
GPS10:16 amBaltra
Jun 25
GPS12:40 pmBaltra
20h 06m
3 stops
STL9:46 amLambert-St Louis
$2,238

momondo 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, momondo users made 832,500 searches. Data last updated June 12, 2026.
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

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Fri 7/24

4:57 pm-8:20 pm

3 stops27h 23m

Guayaquil Jose Joaquin de Olmedo

Fri 7/31

6:50 pm-2:56 pm

3 stops20h 06m

$630

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 7/26

7:10 pm-11:30 pm

3 stops28h 20m

Guayaquil Jose Joaquin de Olmedo

Sun 8/2

6:50 pm-6:05 pm

3 stops47h 15m

$690

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 11/7

9:47 am-11:02 pm

2 stops12h 15m

Quito Mariscal Sucr

Sat 11/14

8:27 am-10:32 pm

1 stop15h 05m

$732
Quickest round-trip

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 7/10

6:14 am-11:25 pm

1 stop17h 11m

Quito Mariscal Sucr

Thu 7/16

12:35 am-10:07 am

1 stop9h 32m

$747

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 7/10

6:14 am-11:25 pm

1 stop17h 11m

Quito Mariscal Sucr

Fri 7/17

7:25 am-12:11 pm

2 stops28h 46m

$752

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Sat 11/7

7:05 pm-9:25 pm

1 stop25h 20m

Quito Mariscal Sucr

Fri 11/13

12:55 am-10:48 am

1 stop10h 53m

$757

St. LouisQuito

STL - UIO

STLUIO

Lambert-St Louis

Fri 11/13

8:50 am-12:30 am

1 stop14h 40m

Quito Mariscal Sucr

Mon 11/16

1:35 am-4:35 pm

1 stop16h 00m

$761

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 7/26

6:14 am-8:53 pm

2 stops14h 39m

Guayaquil Jose Joaquin de Olmedo

Sun 8/2

2:37 pm-10:45 pm

2 stops32h 08m

$770

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Fri 7/24

5:30 am-10:37 pm

2 stops17h 07m

Guayaquil Jose Joaquin de Olmedo

Fri 7/31

6:00 am-11:32 pm

2 stops17h 32m

$780

St. LouisSan Cristobal

STL - SCY

STLSCY

Lambert-St Louis

Wed 10/21

7:05 pm-1:38 pm

3 stops43h 33m

San Cristobal

Sat 10/24

10:45 am-5:06 pm

2 stops29h 21m

$2,146

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ecuador from

How to get the cheapest flight ticket from St. Louis to Ecuador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ecuador?

In general, November is the cheapest month to fly from St. Louis to Ecuador. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you’re not able to fly to Ecuador in November, then October is your next best option. Flight prices from St. Louis to Ecuador during October average around $0.

Can stopping save me money on St. Louis to Ecuador flights?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Ecuador flight.

Cheap St. Louis to Ecuador flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Ecuador

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from St. Louis to Ecuador takes 12h 15m
There are no direct flights from St. Louis to Ecuador. There are no popular flight routes from St. Louis to Ecuador.
Search flight deals

Frequently asked questions about flying from St. Louis to Ecuador

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Ecuador?

    Prices for flights from Lambert-St Louis Airport to Ecuador were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Ecuador?

  • How old do you have to be to fly from Lambert-St Louis Airport to Ecuador?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Ecuador.

  • What documentation or ID do you need to fly to Ecuador?

    The necessary travel and health documents for your Ecuador trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Ecuador

Compare and see reviews for airlines that fly from St. Louis to Ecuador with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $516Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
DeltaPriceFrom $661Free CancellationRating
7.9
8,404 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Ecuador?

Finding the right flight to Ecuador from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ecuador quick and easy, saving you time and money.

Can I find flights from St. Louis to Ecuador with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ecuador from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Ecuador?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ecuador from St. Louis.

I’m not ready to book a flight from St. Louis to Ecuador right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Ecuador flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ecuador trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/12
Sun 7/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ecuador

Popular cities in Ecuador

Popular flights according to clicks in the last 7 days on momondo
Flights to Quitofrom $314
Flights to Guayaquilfrom $288
Flights to Cuencafrom $398
Flights to Baltrafrom $478
Flights to Mantafrom $453
Flights to San Cristobal, Galapagosfrom $443
Flights to Lojafrom $1,157
Flights to Esmeraldas