Cheap flights from St. Louis to Guayaquil 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 Guayaquil 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 Guayaquil

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
6:28 pm - 1:33 pm
STL
-
GYE
19h 05m
2 stops
American Airlines Logo
8:25 am - 11:15 pm
GYE
-
STL
14h 50m
1 stop
$750American Airlines
Fri, Oct 16 - Sat, Oct 24
American Airlines Logo
6:08 pm - 6:55 pm
STL
-
GYE
24h 47m
1 stop
American Airlines Logo
8:25 am - 11:15 pm
GYE
-
STL
14h 50m
1 stop
$759American Airlines
Fri, Oct 16 - Sat, Oct 24
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
Multiple Airlines Logo
7:10 pm - 11:30 pm
STL
-
GYE
28h 20m
3 stops
Multiple Airlines Logo
6:45 pm - 6:05 pm
GYE
-
STL
47h 20m
2 stops
$793Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
11:00 am - 1:25 pm
STL
-
GYE
26h 25m
1 stop
American Airlines Logo
6:00 am - 11:32 pm
GYE
-
STL
17h 32m
2 stops
$802American Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
5:33 am - 1:33 pm
STL
-
GYE
8h 00m
1 stop
American Airlines Logo
8:25 am - 11:15 pm
GYE
-
STL
14h 50m
1 stop
$808American Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
6:43 am - 10:37 pm
STL
-
GYE
15h 54m
2 stops
American Airlines Logo
6:00 am - 10:54 pm
GYE
-
STL
16h 54m
1 stop
$809American Airlines
Fri, Jul 24 - Fri, Jul 31

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.

American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Jul 24
STL5:30 amLambert-St Louis
17h 07m
2 stops
GYE10:37 pmGuayaquil Jose Joaquin de Olmedo
Jul 31
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
17h 32m
2 stops
STL11:32 pmLambert-St Louis
$780
American Airlines
Jul 26
STL11:00 amLambert-St Louis
26h 25m
1 stop
GYE1:25 pmGuayaquil Jose Joaquin de Olmedo
Aug 2
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
17h 32m
2 stops
STL11:32 pmLambert-St Louis
$802
American Airlines
Jul 24
STL6:43 amLambert-St Louis
15h 54m
2 stops
GYE10:37 pmGuayaquil Jose Joaquin de Olmedo
Jul 31
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
16h 54m
1 stop
STL10:54 pmLambert-St Louis
$809

Copa Airlines flights from St. Louis to Guayaquil

Our best Copa Airlines deals on St. Louis to Guayaquil 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 21
STL6:00 amLambert-St Louis
17h 36m
2 stops
GYE11:36 pmGuayaquil Jose Joaquin de Olmedo
Jun 27
GYE4:23 amGuayaquil Jose Joaquin de Olmedo
17h 03m
2 stops
STL9:26 pmLambert-St Louis
$1,088

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Guayaquil 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 13, 2026.
Use the filters below to find and compare flights from St. Louis to Guayaquil 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. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Fri 10/16

6:28 pm-1:33 pm

2 stops19h 05m

Guayaquil Jose Joaquin de Olmedo

Sat 10/24

8:25 am-11:15 pm

1 stop14h 50m

$750

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Fri 10/16

6:08 pm-6:55 pm

1 stop24h 47m

Guayaquil Jose Joaquin de Olmedo

Sat 10/24

8:25 am-11:15 pm

1 stop14h 50m

$759

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. 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

6:45 pm-6:05 pm

2 stops47h 20m

$793

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 7/26

11:00 am-1:25 pm

1 stop26h 25m

Guayaquil Jose Joaquin de Olmedo

Sun 8/2

6:00 am-11:32 pm

2 stops17h 32m

$802
Quickest round-trip

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 10/22

5:33 am-1:33 pm

1 stop8h 00m

Guayaquil Jose Joaquin de Olmedo

Sun 10/25

8:25 am-11:15 pm

1 stop14h 50m

$808

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Fri 7/24

6:43 am-10:37 pm

2 stops15h 54m

Guayaquil Jose Joaquin de Olmedo

Fri 7/31

6:00 am-10:54 pm

1 stop16h 54m

$809

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Guayaquil

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Guayaquil according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Guayaquil (STL to GYE) flight deals and tips

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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 12h 20m
There are no direct flights from St. Louis to Guayaquil. There are no popular flight routes from St. Louis to Guayaquil.

Frequently asked questions about flying from St. Louis to Guayaquil

  • How far is Lambert-St Louis to Guayaquil Jose Joaquin de Olmedo by plane?

    The distance between Lambert-St Louis and Guayaquil Jose Joaquin de Olmedo is about 2893.9 mi. A reasonable flight in good conditions will take 12h 20m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Guayaquil Jose Joaquin de Olmedo Airport?

    Prices for flights from Lambert-St Louis Airport to Guayaquil Jose Joaquin de Olmedo Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Guayaquil Jose Joaquin de Olmedo Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Guayaquil Jose Joaquin de Olmedo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Guayaquil Jose Joaquin de Olmedo Airport.

  • What documentation or ID do you need to fly to Guayaquil Jose Joaquin de Olmedo Airport?

    The necessary travel and health documents for your Guayaquil Jose Joaquin de Olmedo Airport 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.

  • What is the most popular airline from St. Louis to Guayaquil?

Best airlines flying from St. Louis to Guayaquil

Compare and see reviews for airlines that fly from St. Louis to Guayaquil with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $516Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights

Frequently asked questions about flying from St. Louis to Guayaquil

  • How do I get Price Alerts for flights from St. Louis to Guayaquil?

    Search flight deals from St. Louis to Guayaquil. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Guayaquil with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Guayaquil. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Guayaquil from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for St. Louis to Guayaquil flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to Guayaquil now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Guayaquil and let you know when they change.

An easier way to manage your Guayaquil 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/13
Mon 7/20

Find better results for your trip to Ecuador