Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Guayaquil from $387

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 2/21. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from St. Louis to Guayaquil

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 11:39 pm
STL
-
GYE
17h 39m
2 stops
United Airlines Logo
8:28 am - 9:25 am
GYE
-
STL
24h 57m
2 stops
$639United Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
5:15 am - 1:30 pm
STL
-
GYE
8h 15m
1 stop
American Airlines Logo
2:30 pm - 10:16 am
GYE
-
STL
19h 46m
1 stop
$708American Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
7:05 am - 9:44 pm
STL
-
GYE
14h 39m
2 stops
American Airlines Logo
2:30 pm - 10:16 am
GYE
-
STL
19h 46m
1 stop
$712American Airlines
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
6:00 am - 8:46 pm
STL
-
GYE
13h 46m
2 stops
United Airlines Logo
12:20 pm - 9:21 am
GYE
-
STL
22h 01m
2 stops
$893United Airlines
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
10:10 am - 8:46 pm
STL
-
GYE
33h 36m
2 stops
United Airlines Logo
8:32 am - 10:16 pm
GYE
-
STL
38h 44m
2 stops
$904United Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
4:05 pm - 11:30 pm
STL
-
GYE
31h 25m
3 stops
Multiple Airlines Logo
6:50 pm - 3:24 pm
GYE
-
STL
20h 34m
2 stops
$1,951Multiple Airlines
Mon, Mar 30 - Mon, Apr 6

United Airlines flights from St. Louis to Guayaquil

Our best United Airlines deals on St. Louis to Guayaquil flight tickets
United Airlines
Mar 30
STL6:00 amLambert-St Louis
17h 39m
2 stops
GYE11:39 pmGuayaquil Jose Joaquin de Olmedo
Apr 6
GYE8:28 amGuayaquil Jose Joaquin de Olmedo
24h 57m
2 stops
STL9:25 amLambert-St Louis
$639
United Airlines
Feb 28
STL6:00 amLambert-St Louis
13h 46m
2 stops
GYE8:46 pmGuayaquil Jose Joaquin de Olmedo
Mar 4
GYE12:20 pmGuayaquil Jose Joaquin de Olmedo
22h 01m
2 stops
STL9:21 amLambert-St Louis
$893
United Airlines
Feb 28
STL10:10 amLambert-St Louis
33h 36m
2 stops
GYE8:46 pmGuayaquil Jose Joaquin de Olmedo
Mar 4
GYE8:32 amGuayaquil Jose Joaquin de Olmedo
38h 44m
2 stops
STL10:16 pmLambert-St Louis
$904

American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Mar 30
STL5:15 amLambert-St Louis
8h 15m
1 stop
GYE1:30 pmGuayaquil Jose Joaquin de Olmedo
Apr 6
GYE2:30 pmGuayaquil Jose Joaquin de Olmedo
19h 46m
1 stop
STL10:16 amLambert-St Louis
$708
American Airlines
Mar 30
STL7:05 amLambert-St Louis
14h 39m
2 stops
GYE9:44 pmGuayaquil Jose Joaquin de Olmedo
Apr 6
GYE2:30 pmGuayaquil Jose Joaquin de Olmedo
19h 46m
1 stop
STL10:16 amLambert-St Louis
$712

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 February 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 3/30

6:00 am-11:39 pm

2 stops17h 39m

Guayaquil Jose Joaquin de Olmedo

Mon 4/6

8:28 am-9:25 am

2 stops24h 57m

$639

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 3/30

5:15 am-1:30 pm

1 stop8h 15m

Guayaquil Jose Joaquin de Olmedo

Mon 4/6

2:30 pm-10:16 am

1 stop19h 46m

$708

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 3/30

7:05 am-9:44 pm

2 stops14h 39m

Guayaquil Jose Joaquin de Olmedo

Mon 4/6

2:30 pm-10:16 am

1 stop19h 46m

$712

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 2/28

6:00 am-8:46 pm

2 stops13h 46m

Guayaquil Jose Joaquin de Olmedo

Wed 3/4

12:20 pm-9:21 am

2 stops22h 01m

$893

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 2/28

10:10 am-8:46 pm

2 stops33h 36m

Guayaquil Jose Joaquin de Olmedo

Wed 3/4

8:32 am-10:16 pm

2 stops38h 44m

$904

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Mon 3/30

4:05 pm-11:30 pm

3 stops31h 25m

Guayaquil Jose Joaquin de Olmedo

Mon 4/6

6:50 pm-3:24 pm

2 stops20h 34m

$1,951

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 2/21

7:41 am-11:55 pm

2 stops15h 14m

$387

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 2/19

7:41 am-11:55 pm

2 stops15h 14m

$393

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Thu 2/19

7:41 am-11:42 pm

2 stops15h 01m

$402

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

6:00 am-8:54 pm

2 stops14h 54m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

16h 42m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 16h 42m
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 16h 42m.

  • 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
11,294 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/17
Tue 3/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ecuador