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Cheap flights from St. Louis to Guayaquil from $379

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.
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0 bags

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Cheap round-trip flights

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United Airlines Logo
6:00 am - 11:42 pmSTL-GYE
16h 42m2 stops
United Airlines Logo
12:20 pm - 10:00 pmGYE-STL
34h 40m2 stops
$671United Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
10:00 am - 11:22 pmSTL-GYE
12h 22m1 stop
American Airlines Logo
7:15 am - 5:22 pmGYE-STL
11h 07m1 stop
$865American Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
6:00 am - 11:22 pmSTL-GYE
16h 22m2 stops
American Airlines Logo
7:15 am - 5:22 pmGYE-STL
11h 07m1 stop
$870American Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
6:00 am - 8:43 pmSTL-GYE
37h 43m2 stops
United Airlines Logo
12:20 pm - 9:22 amGYE-STL
22h 02m2 stops
$951United Airlines
Find Deal
Sat, Dec 20 - Tue, Jan 20
United Airlines Logo
6:15 am - 5:36 pmSTL-GYE
34h 21m2 stops
United Airlines Logo
2:35 pm - 10:36 amGYE-STL
21h 01m2 stops
$1,003United Airlines
Find Deal
Thu, Dec 4 - Fri, Feb 20
United Airlines Logo
6:00 am - 5:36 pmSTL-GYE
34h 36m2 stops
United Airlines Logo
2:35 pm - 9:22 amGYE-STL
43h 47m2 stops
$1,325United Airlines
Find Deal
Mon, Dec 22 - Sun, Jan 18
American Airlines Logo
5:10 am - 11:06 pmSTL-GYE
16h 56m1 stop
American Airlines Logo
7:11 am - 10:05 pmGYE-STL
15h 54m1 stop
$1,342American Airlines
Find Deal
Thu, Dec 4 - Fri, Feb 20
American Airlines Logo
5:10 am - 11:06 pmSTL-GYE
16h 56m1 stop
American Airlines Logo
3:31 pm - 10:59 amGYE-STL
20h 28m2 stops
$1,347American Airlines
Find Deal
Thu, Dec 4 - Fri, Feb 20
American Airlines Logo
5:10 am - 11:06 pmSTL-GYE
16h 56m1 stop
American Airlines Logo
7:11 am - 10:05 pmGYE-STL
15h 54m1 stop
$1,397American Airlines
Find Deal
Thu, Dec 4 - Fri, Feb 20
American Airlines Logo
6:00 pm - 11:49 pmSTL-GYE
28h 49m1 stop
American Airlines Logo
7:15 am - 9:51 pmGYE-STL
15h 36m2 stops
$1,822American Airlines
Find Deal
Mon, Dec 22 - Sun, Jan 18

United Airlines flights from St. Louis to Guayaquil

Our best United Airlines deals on St. Louis to Guayaquil flight tickets
United Airlines
Jan 24
STL6:00 amLambert-St Louis
16h 42m
2 stops
GYE11:42 pmGuayaquil Jose Joaquin de Olmedo
Jan 28
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
34h 40m
2 stops
STL10:00 pmLambert-St Louis
$671
Find similar
United Airlines
Dec 20
STL6:00 amLambert-St Louis
37h 43m
2 stops
GYE8:43 pmGuayaquil Jose Joaquin de Olmedo
Jan 20
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
22h 02m
2 stops
STL9:22 amLambert-St Louis
$951
Find similar
United Airlines
Dec 4
STL6:15 amLambert-St Louis
34h 21m
2 stops
GYE5:36 pmGuayaquil Jose Joaquin de Olmedo
Feb 20
GYE8:34 amGuayaquil Jose Joaquin de Olmedo
25h 49m
2 stops
STL9:23 amLambert-St Louis
$1,003
Find similar

American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Jan 24
STL10:00 amLambert-St Louis
12h 22m
1 stop
GYE11:22 pmGuayaquil Jose Joaquin de Olmedo
Jan 28
GYE7:15 amGuayaquil Jose Joaquin de Olmedo
11h 07m
1 stop
STL5:22 pmLambert-St Louis
$865
Find similar
American Airlines
Jan 24
STL6:00 amLambert-St Louis
16h 22m
2 stops
GYE11:22 pmGuayaquil Jose Joaquin de Olmedo
Jan 28
GYE7:15 amGuayaquil Jose Joaquin de Olmedo
11h 07m
1 stop
STL5:22 pmLambert-St Louis
$870
Find similar
American Airlines
Dec 4
STL5:10 amLambert-St Louis
16h 56m
1 stop
GYE11:06 pmGuayaquil Jose Joaquin de Olmedo
Feb 20
GYE7:11 amGuayaquil Jose Joaquin de Olmedo
15h 54m
1 stop
STL10:05 pmLambert-St Louis
$1,342
Find similar

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 November 24, 2025.
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

Sat 1/24

6:00 am-11:42 pm

2 stops16h 42m

Guayaquil Jose Joaquin de Olmedo

Wed 1/28

12:20 pm-10:00 pm

2 stops34h 40m

$671

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 1/24

10:00 am-11:22 pm

1 stop12h 22m

Guayaquil Jose Joaquin de Olmedo

Wed 1/28

7:15 am-5:22 pm

1 stop11h 07m

$865

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 1/24

6:00 am-11:22 pm

2 stops16h 22m

Guayaquil Jose Joaquin de Olmedo

Wed 1/28

7:15 am-5:22 pm

1 stop11h 07m

$870

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 12/20

6:00 am-8:43 pm

2 stops37h 43m

Guayaquil Jose Joaquin de Olmedo

Tue 1/20

12:20 pm-9:22 am

2 stops22h 02m

$951

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 12/4

6:15 am-5:36 pm

2 stops34h 21m

Guayaquil Jose Joaquin de Olmedo

Fri 2/20

2:35 pm-10:36 am

2 stops21h 01m

$1,003

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 12/22

6:00 am-5:36 pm

2 stops34h 36m

Guayaquil Jose Joaquin de Olmedo

Sun 1/18

2:35 pm-9:22 am

2 stops43h 47m

$1,325

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 12/4

5:10 am-11:06 pm

1 stop16h 56m

Guayaquil Jose Joaquin de Olmedo

Fri 2/20

7:11 am-10:05 pm

1 stop15h 54m

$1,342

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 12/4

5:10 am-11:06 pm

1 stop16h 56m

Guayaquil Jose Joaquin de Olmedo

Fri 2/20

3:31 pm-10:59 am

2 stops20h 28m

$1,347

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 12/4

5:10 am-11:06 pm

1 stop16h 56m

Guayaquil Jose Joaquin de Olmedo

Fri 2/20

7:11 am-10:05 pm

1 stop15h 54m

$1,397

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 12/22

6:00 pm-11:49 pm

1 stop28h 49m

Guayaquil Jose Joaquin de Olmedo

Sun 1/18

7:15 am-9:51 pm

2 stops15h 36m

$1,822

Flights are sorted by cheapest round-trip flights first.

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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 day to depart on your flight to Guayaquil?

The cheapest day to depart from St. Louis to Guayaquil is on a Wednesday. Travelers who choose to depart for Guayaquil on a Wednesday will often find tickets for as low as $529. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Guayaquil on Thursday is $594.

What is the cheapest time of day to depart on your flight to Guayaquil?

The cheapest time of day to fly to Guayaquil is in the afternoon when flights can be purchased for as low as $554. Flights to Guayaquil are more costly in the morning, with an average ticket price of $595. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from St. Louis to Guayaquil. There are no popular flight routes from St. Louis to Guayaquil.
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  • 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 22m.

  • 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
11,046 reviews
Search American Airlines flights

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.

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