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Cheap flights from St. Louis to Guayaquil from $373

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.
United Airlines Logo
4:42 pm - 11:42 pm
STL
-
GYE
30h 00m2 stops
United Airlines Logo
8:34 am - 9:22 am
GYE
-
STL
25h 48m2 stops
$773United Airlines
Sat, Jan 31 - Wed, Feb 4

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 7, 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

Sat 1/31

4:42 pm-11:42 pm

2 stops30h 00m

Guayaquil Jose Joaquin de Olmedo

Wed 2/4

8:34 am-9:22 am

2 stops25h 48m

$773

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/26

11:43 am-6:55 am

2 stops19h 12m

$373

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

10:10 am-11:38 pm

2 stops13h 28m

$380

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sun 4/26

11:06 am-1:31 pm

1 stop26h 25m

$385

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

5:24 am-1:31 pm

1 stop8h 07m

$389

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

5:24 am-9:02 pm

1 stop15h 38m

$394

St. LouisGuayaquil

STL - GYE

STLGYE

Lambert-St Louis

Sat 4/25

9:45 am-1:40 am

3 stops63h 55m

$692

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

Delta, United Airlines, and American 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

14h 59m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 14h 59m
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 14h 59m.

  • 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
11,088 reviews
Search American Airlines flights

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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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