Cheap flights from St. Louis to Fortaleza from $766

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 Fortaleza departing on 3/4. 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.
Delta Logo
5:00 pm - 1:55 am
STL
-
FOR
29h 55m2 stops
Delta Logo
4:40 pm - 11:36 am
FOR
-
STL
20h 56m2 stops
$766Delta
Wed, Mar 4 - Sun, Mar 8
GOL Logo
6:06 pm - 5:00 pm
STL
-
FOR
44h 54m2 stops
GOL Logo
5:00 pm - 11:59 pm
FOR
-
STL
32h 59m2 stops
$1,234GOL
Tue, Jun 2 - Tue, Jun 16
Air Canada Logo
4:05 pm - 5:30 pm
STL
-
FOR
22h 25m2 stops
Air Canada Logo
9:35 am - 3:29 pm
FOR
-
STL
31h 54m2 stops
$1,581Air Canada
Wed, Mar 4 - Sun, Mar 8
Air Canada Logo
4:05 pm - 5:30 pm
STL
-
FOR
22h 25m2 stops
Air Canada Logo
9:35 am - 3:29 pm
FOR
-
STL
31h 54m2 stops
$5,820Air Canada
Wed, Mar 4 - Sun, Mar 8

GOL flights from St. Louis to Fortaleza

Our best GOL deals on St. Louis to Fortaleza flight tickets
GOL
Jun 2
STL6:06 pmLambert-St Louis
44h 54m
2 stops
FOR5:00 pmFortaleza Pinto Martins
Jun 16
FOR5:00 pmFortaleza Pinto Martins
32h 59m
2 stops
STL11:59 pmLambert-St Louis
GOL
Dec 11
STL4:36 pmLambert-St Louis
21h 54m
2 stops
FOR5:30 pmFortaleza Pinto Martins
Jan 16
FOR3:55 amFortaleza Pinto Martins
15h 42m
1 stop
STL4:37 pmLambert-St Louis
GOL
Dec 13
STL1:20 pmLambert-St Louis
24h 55m
2 stops
FOR5:15 pmFortaleza Pinto Martins
Jan 17
FOR3:55 pmFortaleza Pinto Martins
22h 08m
2 stops
STL11:03 amLambert-St Louis

Air Canada flights from St. Louis to Fortaleza

Our best Air Canada deals on St. Louis to Fortaleza flight tickets
Air Canada
Mar 4
STL4:05 pmLambert-St Louis
22h 25m
2 stops
FOR5:30 pmFortaleza Pinto Martins
Mar 8
FOR9:35 amFortaleza Pinto Martins
31h 54m
2 stops
STL3:29 pmLambert-St Louis
Air Canada
Mar 4
STL4:05 pmLambert-St Louis
22h 25m
2 stops
FOR5:30 pmFortaleza Pinto Martins
Mar 8
FOR9:35 amFortaleza Pinto Martins
31h 54m
2 stops
STL3:29 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Fortaleza 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 December 4, 2025.
Use the filters below to find and compare flights from St. Louis to Fortaleza that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Wed 3/4

5:00 pm-1:55 am

2 stops29h 55m

Fortaleza Pinto Martins

Sun 3/8

4:40 pm-11:36 am

2 stops20h 56m

$766

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Tue 6/2

6:06 pm-5:00 pm

2 stops44h 54m

Fortaleza Pinto Martins

Tue 6/16

5:00 pm-11:59 pm

2 stops32h 59m

$1,234

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Wed 3/4

4:05 pm-5:30 pm

2 stops22h 25m

Fortaleza Pinto Martins

Sun 3/8

9:35 am-3:29 pm

2 stops31h 54m

$1,581

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Wed 3/4

4:05 pm-5:30 pm

2 stops22h 25m

Fortaleza Pinto Martins

Sun 3/8

9:35 am-3:29 pm

2 stops31h 54m

$5,820

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Fortaleza from

How to get the cheapest flight ticket from St. Louis to Fortaleza

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 Fortaleza?

According to our data, Sunday is the cheapest day to fly to Fortaleza from St. Louis. The lowest ticket price found for a Sunday departure recently was $1,130. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,443. These prices are subject to change though, so be sure to set up a Price Alert for flights to Fortaleza.

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

According to our data, the cheapest time of day to fly to Fortaleza is in the morning. momondo users have found flights departing from St. Louis to Fortaleza in the morning for as low as $1,367. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Fortaleza, so prices are often more expensive at around $1,443 per ticket.

When to book flights from St. Louis to Fortaleza

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Fortaleza according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Fortaleza (STL to FOR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Fortaleza

Fastest flight time

22h 16m

Direct flights

None
The fastest flight from St. Louis to Fortaleza takes 22h 16m
There are no direct flights from St. Louis to Fortaleza. There are no popular flight routes from St. Louis to Fortaleza.
  • How far is Lambert-St Louis to Fortaleza Pinto Martins by plane?

    The straight-line distance from Lambert-St Louis to Fortaleza Pinto Martins is 4399.5 mi. Typically, this will take 22h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Fortaleza Pinto Martins Airport?

    Prices for flights from Lambert-St Louis Airport to Fortaleza Pinto Martins Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Fortaleza Pinto Martins Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Fortaleza Pinto Martins Airport.

  • What documentation or ID do you need to fly to Fortaleza Pinto Martins Airport?

    The travel and health documents you'll need for your trip to Fortaleza Pinto Martins Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Fortaleza Pinto Martins Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Fortaleza?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Fortaleza from St. Louis.

Can I find flights from St. Louis to Fortaleza with flexible booking policies on momondo?

momondo does allow users to show only those flights to Fortaleza 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 Fortaleza?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Fortaleza.

I’m not ready to book a flight from St. Louis to Fortaleza right now. Can momondo alert me if prices change?

Price alerts on flights to Fortaleza from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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