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Cheap flights from St. Louis to Guayaquil from $626

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Guayaquil departing on 10/22. 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
1 adult, Economy, 0 bags

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
5:00 am - 10:35 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
17h 35m1 stop Miami
American Airlines Logo
6:00 am - 9:59 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
15h 59m1 stop Miami
$626American Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
6:00 am - 10:39 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
16h 39m2 stops Philadelphia Miami
American Airlines Logo
6:00 am - 9:59 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
15h 59m1 stop Miami
$631American Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
5:00 am - 10:39 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
17h 39m1 stop Miami
American Airlines Logo
6:00 am - 9:59 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
15h 59m1 stop Miami
$653American Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
7:00 am - 11:16 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
15h 16m2 stops Washington, D.C. Reagan-National Miami
American Airlines Logo
3:31 pm - 9:44 amGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
19h 13m2 stops Miami Charlotte Douglas
$658American Airlines
Sun, Nov 1 - Sun, Nov 8
American Airlines Logo
6:07 pm - 1:29 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
19h 22m1 stop Miami
American Airlines Logo
6:00 am - 9:59 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
15h 59m1 stop Miami
$664American Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
6:44 pm - 2:27 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
18h 43m2 stops Dallas/Fort Worth Miami
American Airlines Logo
6:04 am - 11:55 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
18h 51m2 stops Miami Charlotte Douglas
$758American Airlines
Sun, Dec 20 - Wed, Dec 30
American Airlines Logo
6:56 pm - 2:30 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
18h 34m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:30 pm - 10:19 amGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
19h 49m2 stops Miami Charlotte Douglas
$785American Airlines
Sun, Dec 20 - Wed, Dec 30
American Airlines Logo
6:35 pm - 2:27 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
18h 52m2 stops Charlotte Douglas Miami
American Airlines Logo
6:04 am - 10:35 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
17h 31m1 stop Miami
$789American Airlines
Sun, Dec 20 - Wed, Dec 30
American Airlines Logo
6:56 pm - 2:30 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
18h 34m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:30 pm - 11:33 amGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
21h 03m1 stop Miami
$797American Airlines
Sun, Dec 20 - Wed, Dec 30
American Airlines Logo
2:11 pm - 10:10 pmSTL  Lambert-St Louis-GYE Guayaquil Jose Joaquin de Olmedo
7h 59m1 stop Miami
American Airlines Logo
6:00 am - 11:59 pmGYE  Guayaquil Jose Joaquin de Olmedo-STL Lambert-St Louis
17h 59m1 stop Miami
$798American Airlines
Mon, Sep 21 - Mon, Sep 28

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American Airlines flights from St. Louis to Guayaquil

Our best American Airlines deals on St. Louis to Guayaquil flight tickets
American Airlines
Oct 22
STL5:00 amLambert-St Louis
17h 35m
1 stop
GYE10:35 pmGuayaquil Jose Joaquin de Olmedo
Oct 25
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
15h 59m
1 stop
STL9:59 pmLambert-St Louis
$626
American Airlines
Oct 22
STL6:00 amLambert-St Louis
16h 39m
2 stops
GYE10:39 pmGuayaquil Jose Joaquin de Olmedo
Oct 25
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
15h 59m
1 stop
STL9:59 pmLambert-St Louis
$631
American Airlines
Oct 22
STL5:00 amLambert-St Louis
17h 39m
1 stop
GYE10:39 pmGuayaquil Jose Joaquin de Olmedo
Oct 25
GYE6:00 amGuayaquil Jose Joaquin de Olmedo
15h 59m
1 stop
STL9:59 pmLambert-St Louis
$653

United Airlines flights from St. Louis to Guayaquil

Our best United Airlines deals on St. Louis to Guayaquil flight tickets
United Airlines
Sep 21
STL8:35 amLambert-St Louis
32h 55m
2 stops
GYE5:30 pmGuayaquil Jose Joaquin de Olmedo
Sep 28
GYE2:37 pmGuayaquil Jose Joaquin de Olmedo
45h 36m
3 stops
STL12:13 pmLambert-St Louis
$849
United Airlines
Sep 13
STL8:20 amLambert-St Louis
33h 10m
2 stops
GYE5:30 pmGuayaquil Jose Joaquin de Olmedo
Sep 16
GYE8:28 amGuayaquil Jose Joaquin de Olmedo
38h 02m
2 stops
STL10:30 pmLambert-St Louis
$990

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 August 10, 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

Cheapest round-trip

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Thu 10/22

5:00 am-10:35 pm

1 stop17h 35m

Guayaquil Jose Joaquin de Olmedo

Sun 10/25

6:00 am-9:59 pm

1 stop15h 59m

$626

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Thu 10/22

6:00 am-10:39 pm

2 stops16h 39m

Guayaquil Jose Joaquin de Olmedo

Sun 10/25

6:00 am-9:59 pm

1 stop15h 59m

$631

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Thu 10/22

5:00 am-10:39 pm

1 stop17h 39m

Guayaquil Jose Joaquin de Olmedo

Sun 10/25

6:00 am-9:59 pm

1 stop15h 59m

$653

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Sun 11/1

7:00 am-11:16 pm

2 stops15h 16m

Guayaquil Jose Joaquin de Olmedo

Sun 11/8

3:31 pm-9:44 am

2 stops19h 13m

$658

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Thu 10/22

6:07 pm-1:29 pm

1 stop19h 22m

Guayaquil Jose Joaquin de Olmedo

Sun 10/25

6:00 am-9:59 pm

1 stop15h 59m

$664

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Sun 12/20

6:44 pm-2:27 pm

2 stops18h 43m

Guayaquil Jose Joaquin de Olmedo

Wed 12/30

6:04 am-11:55 pm

2 stops18h 51m

$758

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Sun 12/20

6:56 pm-2:30 pm

2 stops18h 34m

Guayaquil Jose Joaquin de Olmedo

Wed 12/30

3:30 pm-10:19 am

2 stops19h 49m

$785

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Sun 12/20

6:35 pm-2:27 pm

2 stops18h 52m

Guayaquil Jose Joaquin de Olmedo

Wed 12/30

6:04 am-10:35 pm

1 stop17h 31m

$789

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Sun 12/20

6:56 pm-2:30 pm

2 stops18h 34m

Guayaquil Jose Joaquin de Olmedo

Wed 12/30

3:30 pm-11:33 am

1 stop21h 03m

$797
Quickest round-trip

St. LouisGuayaquil

STL Lambert-St Louis - GYE Guayaquil Jose Joaquin de Olmedo

STLGYE

Lambert-St Louis

Mon 9/21

2:11 pm-10:10 pm

1 stop7h 59m

Guayaquil Jose Joaquin de Olmedo

Mon 9/28

6:00 am-11:59 pm

1 stop17h 59m

$798

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 55m

Direct flights

None
The fastest flight from St. Louis to Guayaquil takes 14h 55m
There are no direct flights from St. Louis to Guayaquil. There are no popular flight routes from St. Louis to Guayaquil.
Search flight deals

Frequently asked questions about flying 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 14h 55m.

  • 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 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.

Frequently asked questions about flying from St. Louis to Guayaquil

  • How do I get Price Alerts for flights from St. Louis to Guayaquil?

    Search flight deals from St. Louis to Guayaquil. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Guayaquil with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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