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Cheap flights from Fresno to St. Louis from $123

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 2/2. 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 Fresno to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:25 am - 1:55 pm
FAT
-
STL
6h 30m1 stop
Southwest Logo
5:20 pm - 9:00 pm
STL
-
FAT
5h 40m1 stop
$282Southwest
Thu, Feb 5 - Mon, Feb 9
Southwest Logo
11:00 am - 9:40 pm
FAT
-
STL
8h 40m2 stops
Southwest Logo
5:20 pm - 9:00 pm
STL
-
FAT
5h 40m1 stop
$287Southwest
Thu, Feb 5 - Mon, Feb 9
Southwest Logo
5:25 am - 4:20 pm
FAT
-
STL
8h 55m2 stops
Southwest Logo
5:25 am - 11:50 am
STL
-
FAT
8h 25m2 stops
$292Southwest
Thu, Feb 5 - Mon, Feb 9
Delta Logo
12:25 pm - 9:35 pm
FAT
-
STL
7h 10m1 stop
Delta Logo
5:00 pm - 9:42 pm
STL
-
FAT
6h 42m1 stop
$328Delta
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
9:00 am - 4:55 pm
FAT
-
STL
5h 55m1 stop
United Airlines Logo
4:15 pm - 9:03 pm
STL
-
FAT
6h 48m1 stop
$335United Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
7:10 am - 8:58 pm
FAT
-
STL
11h 48m2 stops
United Airlines Logo
6:45 am - 1:41 pm
STL
-
FAT
8h 56m1 stop
$340United Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
5:21 pm - 9:25 pm
FAT
-
STL
26h 04m1 stop
Multiple Airlines Logo
4:27 pm - 11:15 am
STL
-
FAT
44h 48m2 stops
$343Multiple Airlines
Thu, Dec 18 - Tue, Dec 30
United Airlines Logo
7:10 am - 8:58 pm
FAT
-
STL
11h 48m2 stops
United Airlines Logo
10:07 am - 9:10 pm
STL
-
FAT
13h 03m2 stops
$345United Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
5:21 pm - 9:25 pm
FAT
-
STL
26h 04m1 stop
Multiple Airlines Logo
10:10 pm - 9:25 am
STL
-
FAT
13h 15m1 stop
$362Multiple Airlines
Thu, Dec 18 - Tue, Dec 30
Multiple Airlines Logo
5:21 pm - 10:02 am
FAT
-
STL
14h 41m2 stops
Multiple Airlines Logo
10:10 pm - 9:25 am
STL
-
FAT
13h 15m1 stop
$368Multiple Airlines
Sun, Dec 21 - Tue, Dec 30

Southwest flights from Fresno to St. Louis

Our best Southwest deals on Fresno to St. Louis flight tickets
Southwest
Feb 5
FAT5:25 amFresno Airterminal
6h 30m
1 stop
STL1:55 pmLambert-St Louis
Feb 9
STL5:20 pmLambert-St Louis
5h 40m
1 stop
FAT9:00 pmFresno Airterminal
$282
Find similar
Southwest
Feb 5
FAT11:00 amFresno Airterminal
8h 40m
2 stops
STL9:40 pmLambert-St Louis
Feb 9
STL5:20 pmLambert-St Louis
5h 40m
1 stop
FAT9:00 pmFresno Airterminal
$287
Find similar
Southwest
Feb 5
FAT5:25 amFresno Airterminal
8h 55m
2 stops
STL4:20 pmLambert-St Louis
Feb 9
STL5:25 amLambert-St Louis
8h 25m
2 stops
FAT11:50 amFresno Airterminal
$292
Find similar

Delta flights from Fresno to St. Louis

Our best Delta deals on Fresno to St. Louis flight tickets
Delta
Jan 8
FAT12:25 pmFresno Airterminal
7h 10m
1 stop
STL9:35 pmLambert-St Louis
Jan 12
STL5:00 pmLambert-St Louis
6h 42m
1 stop
FAT9:42 pmFresno Airterminal
$328
Find similar
Delta
Dec 11
FAT9:40 amFresno Airterminal
12h 02m
2 stops
STL11:42 pmLambert-St Louis
Dec 14
STL9:30 amLambert-St Louis
14h 09m
2 stops
FAT9:39 pmFresno Airterminal
$907
Find similar
Delta
Dec 18
FAT5:06 pmFresno Airterminal
5h 42m
1 stop
STL12:48 amLambert-St Louis
Dec 21
STL7:20 amLambert-St Louis
6h 31m
1 stop
FAT11:51 amFresno Airterminal
$918
Find similar

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 December 4, 2025.
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

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/5

5:25 am-1:55 pm

1 stop6h 30m

Lambert-St Louis

Mon 2/9

5:20 pm-9:00 pm

1 stop5h 40m

$282

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/5

11:00 am-9:40 pm

2 stops8h 40m

Lambert-St Louis

Mon 2/9

5:20 pm-9:00 pm

1 stop5h 40m

$287

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/5

5:25 am-4:20 pm

2 stops8h 55m

Lambert-St Louis

Mon 2/9

5:25 am-11:50 am

2 stops8h 25m

$292

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

12:25 pm-9:35 pm

1 stop7h 10m

Lambert-St Louis

Mon 1/12

5:00 pm-9:42 pm

1 stop6h 42m

$328

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

9:00 am-4:55 pm

1 stop5h 55m

Lambert-St Louis

Mon 1/12

4:15 pm-9:03 pm

1 stop6h 48m

$335

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

7:10 am-8:58 pm

2 stops11h 48m

Lambert-St Louis

Mon 1/12

6:45 am-1:41 pm

1 stop8h 56m

$340

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/18

5:21 pm-9:25 pm

1 stop26h 04m

Lambert-St Louis

Tue 12/30

4:27 pm-11:15 am

2 stops44h 48m

$343

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

7:10 am-8:58 pm

2 stops11h 48m

Lambert-St Louis

Mon 1/12

10:07 am-9:10 pm

2 stops13h 03m

$345

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/18

5:21 pm-9:25 pm

1 stop26h 04m

Lambert-St Louis

Tue 12/30

10:10 pm-9:25 am

1 stop13h 15m

$362

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sun 12/21

5:21 pm-10:02 am

2 stops14h 41m

Lambert-St Louis

Tue 12/30

10:10 pm-9:25 am

1 stop13h 15m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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 $326. The month of February is another great option to travel to St. Louis, with average flight prices from Fresno averaging around $387.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $414. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $490. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Fresno in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $463 per ticket.

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

As of December 2025, prices for Fresno to St. Louis flights are approximately 40% 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 55m

Direct flights

None
The fastest flight from Fresno to St. Louis takes 5h 55m
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 55m 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 $278Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,066 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
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
Collinsville
St. Peters
Alton
Farmington
Clayton
Festus
Glencoe
Edwardsville
Eureka
Litchfield
Shrewsbury

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.

An easier way to manage your St. Louis trip

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