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Cheap flights from Fresno to St. Louis from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Fresno to St. Louis departing on 4/16. 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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0 bags

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Find the cheapest flights from Fresno to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:16 pm - 2:42 pm
FAT
-
STL
15h 26m
2 stops
Multiple Airlines Logo
6:51 pm - 9:46 am
STL
-
FAT
16h 55m
1 stop
$335Multiple Airlines
Fri, May 29 - Tue, Jun 2
Southwest Logo
5:30 am - 1:30 pm
FAT
-
STL
6h 00m
1 stop
Southwest Logo
7:00 am - 11:05 am
STL
-
FAT
6h 05m
1 stop
$338Southwest
Tue, Apr 14 - Sat, Apr 18
Southwest Logo
6:25 am - 8:20 pm
FAT
-
STL
11h 55m
1 stop
Southwest Logo
6:30 pm - 10:35 pm
STL
-
FAT
6h 05m
1 stop
$342Southwest
Sat, May 2 - Wed, May 6
Southwest Logo
5:30 am - 1:30 pm
FAT
-
STL
6h 00m
1 stop
Southwest Logo
6:10 am - 2:25 pm
STL
-
FAT
10h 15m
2 stops
$343Southwest
Tue, Apr 14 - Sat, Apr 18
Southwest Logo
6:25 am - 8:20 pm
FAT
-
STL
11h 55m
1 stop
Southwest Logo
3:55 pm - 10:35 pm
STL
-
FAT
8h 40m
2 stops
$348Southwest
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
9:16 pm - 2:42 pm
FAT
-
STL
15h 26m
2 stops
Multiple Airlines Logo
3:33 pm - 9:46 am
STL
-
FAT
20h 13m
2 stops
$349Multiple Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
1:42 pm - 10:57 pm
FAT
-
STL
7h 15m
1 stop
American Airlines Logo
5:20 am - 12:39 pm
STL
-
FAT
9h 19m
1 stop
$353American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
6:00 am - 3:05 pm
FAT
-
STL
7h 05m
1 stop
American Airlines Logo
7:12 am - 12:39 pm
STL
-
FAT
7h 27m
1 stop
$357American Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
9:16 pm - 2:42 pm
FAT
-
STL
15h 26m
2 stops
Multiple Airlines Logo
8:08 pm - 9:46 am
STL
-
FAT
15h 38m
2 stops
$358Multiple Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
9:59 am - 7:30 pm
FAT
-
STL
7h 31m
2 stops
American Airlines Logo
5:20 am - 12:39 pm
STL
-
FAT
9h 19m
1 stop
$359American Airlines
Sat, May 2 - Wed, May 6

Southwest flights from Fresno to St. Louis

Our best Southwest deals on Fresno to St. Louis flight tickets
Southwest
Apr 14
FAT5:30 amFresno Airterminal
6h 00m
1 stop
STL1:30 pmLambert-St Louis
Apr 18
STL7:00 amLambert-St Louis
6h 05m
1 stop
FAT11:05 amFresno Airterminal
$338
Southwest
May 2
FAT6:25 amFresno Airterminal
11h 55m
1 stop
STL8:20 pmLambert-St Louis
May 6
STL6:30 pmLambert-St Louis
6h 05m
1 stop
FAT10:35 pmFresno Airterminal
$342
Southwest
Apr 14
FAT5:30 amFresno Airterminal
6h 00m
1 stop
STL1:30 pmLambert-St Louis
Apr 18
STL6:10 amLambert-St Louis
10h 15m
2 stops
FAT2:25 pmFresno Airterminal
$343

American Airlines flights from Fresno to St. Louis

Our best American Airlines deals on Fresno to St. Louis flight tickets
American Airlines
May 2
FAT1:42 pmFresno Airterminal
7h 15m
1 stop
STL10:57 pmLambert-St Louis
May 6
STL5:20 amLambert-St Louis
9h 19m
1 stop
FAT12:39 pmFresno Airterminal
$353
American Airlines
May 2
FAT6:00 amFresno Airterminal
7h 05m
1 stop
STL3:05 pmLambert-St Louis
May 6
STL7:12 amLambert-St Louis
7h 27m
1 stop
FAT12:39 pmFresno Airterminal
$357
American Airlines
May 2
FAT9:59 amFresno Airterminal
7h 31m
2 stops
STL7:30 pmLambert-St Louis
May 6
STL5:20 amLambert-St Louis
9h 19m
1 stop
FAT12:39 pmFresno Airterminal
$359

momondo Fare Finder

 
Customize your flight search to find flights from Fresno to St. Louis 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 25, 2026.
Use the filters below to find and compare flights from Fresno to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

9:16 pm-2:42 pm

2 stops15h 26m

Lambert-St Louis

Tue 6/2

6:51 pm-9:46 am

1 stop16h 55m

$335
Quickest round-trip

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 4/14

5:30 am-1:30 pm

1 stop6h 00m

Lambert-St Louis

Sat 4/18

7:00 am-11:05 am

1 stop6h 05m

$338

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 5/2

6:25 am-8:20 pm

1 stop11h 55m

Lambert-St Louis

Wed 5/6

6:30 pm-10:35 pm

1 stop6h 05m

$342

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 4/14

5:30 am-1:30 pm

1 stop6h 00m

Lambert-St Louis

Sat 4/18

6:10 am-2:25 pm

2 stops10h 15m

$343

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 5/2

6:25 am-8:20 pm

1 stop11h 55m

Lambert-St Louis

Wed 5/6

3:55 pm-10:35 pm

2 stops8h 40m

$348

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

9:16 pm-2:42 pm

2 stops15h 26m

Lambert-St Louis

Tue 6/2

3:33 pm-9:46 am

2 stops20h 13m

$349

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 5/2

1:42 pm-10:57 pm

1 stop7h 15m

Lambert-St Louis

Wed 5/6

5:20 am-12:39 pm

1 stop9h 19m

$353

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 5/2

6:00 am-3:05 pm

1 stop7h 05m

Lambert-St Louis

Wed 5/6

7:12 am-12:39 pm

1 stop7h 27m

$357

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

9:16 pm-2:42 pm

2 stops15h 26m

Lambert-St Louis

Tue 6/2

8:08 pm-9:46 am

2 stops15h 38m

$358

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 5/2

9:59 am-7:30 pm

2 stops7h 31m

Lambert-St Louis

Wed 5/6

5:20 am-12:39 pm

1 stop9h 19m

$359

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 St. Louis from

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

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 typical price of a round-trip flight between Fresno and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Fresno to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. The month of December is another great option to travel to St. Louis, with average flight prices from Fresno averaging around $376.

How have Fresno to St. Louis flight prices changed over time?

As of March 2026, prices for Fresno to St. Louis flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Fresno to St. Louis

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

Cheap Fresno to St. Louis (FAT to STL) flight deals and tips

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

Fastest flight time

5h 11m

Direct flights

None
The fastest flight from Fresno to St. Louis takes 5h 11m
There are no direct flights from Fresno to St. Louis. There are no popular flight routes from Fresno to St. Louis.
Search flight deals

  • How far is Fresno Airterminal to Lambert-St Louis by plane?

    A flight from Fresno Airterminal to Lambert-St Louis will travel around 1615.1 mi. Typically, this will take 5h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from Fresno Airterminal Airport to Lambert-St Louis Airport?

    Prices for flights from Fresno Airterminal Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Fresno Airterminal Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Fresno Airterminal Airport to Lambert-St Louis 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 Fresno Airterminal Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis 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 Fresno to St. Louis?

Best airlines flying from Fresno to St. Louis

Compare and see reviews for airlines that fly from Fresno to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $277Free CancellationRating
7.9
8,327 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,493 reviews
Search American Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,332 reviews
Search Southwest flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Fresno to St. Louis for you.

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

momondo does allow users to show only those flights to St. Louis from Fresno which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Fresno to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Fresno.

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

Price alerts on flights to St. Louis from Fresno 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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