Cheap flights from St. Louis to Guayaquil from $305

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 3/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 5:31 pm
STL
-
GYE
35h 31m
2 stops
United Airlines Logo
2:43 pm - 9:25 am
GYE
-
STL
42h 42m
2 stops
$679United Airlines
Sun, Apr 12 - Sun, Apr 19
Air Canada Logo
6:00 am - 5:31 pm
STL
-
GYE
11h 31m
2 stops
Air Canada Logo
8:28 am - 9:25 am
GYE
-
STL
24h 57m
2 stops
$711Air Canada
Mon, Apr 13 - Mon, Apr 20
American Airlines Logo
6:55 pm - 1:31 pm
STL
-
GYE
18h 36m
2 stops
American Airlines Logo
2:31 pm - 10:16 am
GYE
-
STL
19h 45m
1 stop
$712American Airlines
Sun, Apr 12 - Sun, Apr 19
American Airlines Logo
5:24 am - 9:12 pm
STL
-
GYE
15h 48m
1 stop
American Airlines Logo
2:31 pm - 10:16 am
GYE
-
STL
19h 45m
1 stop
$718American Airlines
Sun, Apr 12 - Sun, Apr 19
Air Canada Logo
6:00 am - 8:54 pm
STL
-
GYE
14h 54m
2 stops
Air Canada Logo
8:28 am - 9:25 am
GYE
-
STL
24h 57m
2 stops
$729Air Canada
Sat, Apr 11 - Sat, Apr 18
American Airlines Logo
11:06 am - 9:12 pm
STL
-
GYE
10h 06m
1 stop
American Airlines Logo
6:05 am - 10:17 pm
GYE
-
STL
16h 12m
2 stops
$796American Airlines
Mon, Apr 13 - Mon, Apr 20
British Airways Logo
5:21 am - 1:31 pm
STL
-
GYE
8h 10m
1 stop
British Airways Logo
2:31 pm - 10:16 am
GYE
-
STL
19h 45m
1 stop
$869British Airways
Mon, Apr 13 - Mon, Apr 20
British Airways Logo
4:30 pm - 1:31 pm
STL
-
GYE
21h 01m
2 stops
British Airways Logo
6:05 am - 10:53 pm
GYE
-
STL
16h 48m
1 stop
$890British Airways
Sat, Apr 11 - Sat, Apr 18
American Airlines Logo
7:00 am - 9:44 pm
STL
-
GYE
14h 44m
2 stops
American Airlines Logo
2:30 pm - 8:35 am
GYE
-
STL
18h 05m
2 stops
$899American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
6:20 pm - 1:30 pm
STL
-
GYE
19h 10m
1 stop
American Airlines Logo
2:30 pm - 10:32 am
GYE
-
STL
20h 02m
1 stop
$909American Airlines
Wed, Mar 11 - Wed, Mar 18

United Airlines flights from St. Louis to Guayaquil

Our best United Airlines deals on St. Louis to Guayaquil flight tickets
United Airlines
Apr 12
STL6:00 amLambert-St Louis
35h 31m
2 stops
GYE5:31 pmGuayaquil Jose Joaquin de Olmedo
Apr 19
GYE2:43 pmGuayaquil Jose Joaquin de Olmedo
42h 42m
2 stops
STL9:25 amLambert-St Louis
$679
United Airlines
Mar 11
STL6:00 amLambert-St Louis
17h 41m
2 stops
GYE11:41 pmGuayaquil Jose Joaquin de Olmedo
Mar 17
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
21h 01m
2 stops
STL9:21 amLambert-St Louis
$913
United Airlines
Mar 12
STL8:17 amLambert-St Louis
36h 29m
2 stops
GYE8:46 pmGuayaquil Jose Joaquin de Olmedo
Mar 17
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
21h 01m
2 stops
STL9:21 amLambert-St Louis
$973

American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Apr 12
STL6:55 pmLambert-St Louis
18h 36m
2 stops
GYE1:31 pmGuayaquil Jose Joaquin de Olmedo
Apr 19
GYE2:31 pmGuayaquil Jose Joaquin de Olmedo
19h 45m
1 stop
STL10:16 amLambert-St Louis
$712
American Airlines
Apr 12
STL5:24 amLambert-St Louis
15h 48m
1 stop
GYE9:12 pmGuayaquil Jose Joaquin de Olmedo
Apr 19
GYE2:31 pmGuayaquil Jose Joaquin de Olmedo
19h 45m
1 stop
STL10:16 amLambert-St Louis
$718
American Airlines
Apr 13
STL11:06 amLambert-St Louis
10h 06m
1 stop
GYE9:12 pmGuayaquil Jose Joaquin de Olmedo
Apr 20
GYE6:05 amGuayaquil Jose Joaquin de Olmedo
16h 12m
2 stops
STL10:17 pmLambert-St Louis
$796

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 March 1, 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

Sun 4/12

6:00 am-5:31 pm

2 stops35h 31m

Guayaquil Jose Joaquin de Olmedo

Sun 4/19

2:43 pm-9:25 am

2 stops42h 42m

$679

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 4/13

6:00 am-5:31 pm

2 stops11h 31m

Guayaquil Jose Joaquin de Olmedo

Mon 4/20

8:28 am-9:25 am

2 stops24h 57m

$711

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/12

6:55 pm-1:31 pm

2 stops18h 36m

Guayaquil Jose Joaquin de Olmedo

Sun 4/19

2:31 pm-10:16 am

1 stop19h 45m

$712

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/12

5:24 am-9:12 pm

1 stop15h 48m

Guayaquil Jose Joaquin de Olmedo

Sun 4/19

2:31 pm-10:16 am

1 stop19h 45m

$718

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/11

6:00 am-8:54 pm

2 stops14h 54m

Guayaquil Jose Joaquin de Olmedo

Sat 4/18

8:28 am-9:25 am

2 stops24h 57m

$729

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 4/13

11:06 am-9:12 pm

1 stop10h 06m

Guayaquil Jose Joaquin de Olmedo

Mon 4/20

6:05 am-10:17 pm

2 stops16h 12m

$796

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 4/13

5:21 am-1:31 pm

1 stop8h 10m

Guayaquil Jose Joaquin de Olmedo

Mon 4/20

2:31 pm-10:16 am

1 stop19h 45m

$869

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/11

4:30 pm-1:31 pm

2 stops21h 01m

Guayaquil Jose Joaquin de Olmedo

Sat 4/18

6:05 am-10:53 pm

1 stop16h 48m

$890

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 3/11

7:00 am-9:44 pm

2 stops14h 44m

Guayaquil Jose Joaquin de Olmedo

Wed 3/18

2:30 pm-8:35 am

2 stops18h 05m

$899

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Wed 3/11

6:20 pm-1:30 pm

1 stop19h 10m

Guayaquil Jose Joaquin de Olmedo

Wed 3/18

2:30 pm-10:32 am

1 stop20h 02m

$909

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Copa Airlines is the most popular carrier 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

17h 46m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 17h 46m
There are no direct flights from St. Louis to Guayaquil. There are no popular flight routes 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 17h 46m.

  • 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
11,370 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.

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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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Tue 3/31
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