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Cheap flights from St. Louis to Guayaquil from $386

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Guayaquil departing on 4/26. 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
0 bags

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Find the cheapest flights from St. Louis to Guayaquil

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:15 am - 1:30 pm
STL
-
GYE
8h 15m
1 stop
American Airlines Logo
6:12 am - 9:21 pm
GYE
-
STL
15h 09m
2 stops
$590American Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
5:15 am - 1:30 pm
STL
-
GYE
8h 15m
1 stop
American Airlines Logo
2:30 pm - 5:40 pm
GYE
-
STL
27h 10m
1 stop
$597American Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
6:20 pm - 2:30 pm
STL
-
GYE
19h 10m
1 stop
American Airlines Logo
2:30 pm - 11:58 pm
GYE
-
STL
9h 28m
1 stop
$605American Airlines
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
6:57 pm - 2:30 pm
STL
-
GYE
18h 33m
2 stops
American Airlines Logo
2:30 pm - 11:58 pm
GYE
-
STL
9h 28m
1 stop
$610American Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
6:00 am - 8:46 pm
STL
-
GYE
13h 46m
2 stops
United Airlines Logo
2:35 pm - 10:16 pm
GYE
-
STL
31h 41m
2 stops
$628United Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
4:42 pm - 5:35 pm
STL
-
GYE
47h 53m
2 stops
United Airlines Logo
12:20 pm - 9:22 am
GYE
-
STL
22h 02m
2 stops
$857United Airlines
Sat, Jan 31 - Wed, Feb 4

United Airlines flights from St. Louis to Guayaquil

Our best United Airlines deals on St. Louis to Guayaquil flight tickets
United Airlines
Mar 1
STL6:00 amLambert-St Louis
13h 46m
2 stops
GYE8:46 pmGuayaquil Jose Joaquin de Olmedo
Mar 8
GYE2:35 pmGuayaquil Jose Joaquin de Olmedo
31h 41m
2 stops
STL10:16 pmLambert-St Louis
$628
United Airlines
Jan 31
STL4:42 pmLambert-St Louis
47h 53m
2 stops
GYE5:35 pmGuayaquil Jose Joaquin de Olmedo
Feb 4
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
22h 02m
2 stops
STL9:22 amLambert-St Louis
$857

American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Mar 9
STL5:15 amLambert-St Louis
8h 15m
1 stop
GYE1:30 pmGuayaquil Jose Joaquin de Olmedo
Mar 16
GYE6:12 amGuayaquil Jose Joaquin de Olmedo
15h 09m
2 stops
STL9:21 pmLambert-St Louis
$590
American Airlines
Mar 9
STL5:15 amLambert-St Louis
8h 15m
1 stop
GYE1:30 pmGuayaquil Jose Joaquin de Olmedo
Mar 16
GYE2:30 pmGuayaquil Jose Joaquin de Olmedo
27h 10m
1 stop
STL5:40 pmLambert-St Louis
$597
American Airlines
Mar 1
STL6:20 pmLambert-St Louis
19h 10m
1 stop
GYE2:30 pmGuayaquil Jose Joaquin de Olmedo
Mar 8
GYE2:30 pmGuayaquil Jose Joaquin de Olmedo
9h 28m
1 stop
STL11:58 pmLambert-St Louis
$605

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 January 15, 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

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 3/9

5:15 am-1:30 pm

1 stop8h 15m

Guayaquil Jose Joaquin de Olmedo

Mon 3/16

6:12 am-9:21 pm

2 stops15h 09m

$590

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 3/9

5:15 am-1:30 pm

1 stop8h 15m

Guayaquil Jose Joaquin de Olmedo

Mon 3/16

2:30 pm-5:40 pm

1 stop27h 10m

$597

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 3/1

6:20 pm-2:30 pm

1 stop19h 10m

Guayaquil Jose Joaquin de Olmedo

Sun 3/8

2:30 pm-11:58 pm

1 stop9h 28m

$605

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 3/1

6:57 pm-2:30 pm

2 stops18h 33m

Guayaquil Jose Joaquin de Olmedo

Sun 3/8

2:30 pm-11:58 pm

1 stop9h 28m

$610

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 3/1

6:00 am-8:46 pm

2 stops13h 46m

Guayaquil Jose Joaquin de Olmedo

Sun 3/8

2:35 pm-10:16 pm

2 stops31h 41m

$628

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 1/31

4:42 pm-5:35 pm

2 stops47h 53m

Guayaquil Jose Joaquin de Olmedo

Wed 2/4

12:20 pm-9:22 am

2 stops22h 02m

$857

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/26

6:54 pm-1:31 pm

2 stops18h 37m

$386

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/26

6:54 pm-1:31 pm

2 stops18h 37m

$387

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

6:00 am-8:53 pm

2 stops14h 53m

$390

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

5:24 am-1:31 pm

1 stop8h 07m

$391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Guayaquil from

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

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 airline that flies from Lambert-St Louis to Guayaquil Jose Joaquin de Olmedo?

American Airlines and United Airlines are the most popular carriers operating from Lambert-St Louis to Guayaquil Jose Joaquin de Olmedo

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

11h 33m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 11h 33m
There are no direct flights from St. Louis to Guayaquil. There are no popular flight routes from St. Louis to Guayaquil.
Search flight deals

  • 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 11h 33m.

  • 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
7.2
11,129 reviews
Search American Airlines flights

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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?

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