What airlines fly to St. Louis?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to St. Louis from Fresno according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Fresno to St. Louis on average per week?

As of September 2025, 1 flights take off from Fresno and land in St. Louis each week. The most common flight departure day for this route is Sun, with 100% of weekly flights taking off on this day.

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?

As of September 2025, there are 4 operators available to choose from 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.

$142 Cheap Flights from Fresno to St. Louis in 2025/26

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Find the cheapest flights from Fresno to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:22 pm - 9:06 amFAT-STL

12h 44m2 stops

9:29 pm - 10:17 amSTL-FAT

14h 48m1 stop

$242

Find Deal

Mon, Sep 29 - Mon, Oct 6

6:20 pm - 3:56 pmFAT-STL

19h 36m1 stop

9:59 pm - 10:17 amSTL-FAT

14h 18m1 stop

$250

Find Deal

Fri, Oct 17 - Mon, Oct 20

4:42 pm - 2:27 pmFAT-STL

19h 45m1 stop

7:00 am - 3:48 pmSTL-FAT

10h 48m1 stop

$316Alaska Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

2:30 pm - 11:49 pmFAT-STL

7h 19m1 stop

7:00 am - 12:20 pmSTL-FAT

7h 20m1 stop

$363American Airlines

Find Deal

Fri, Oct 17 - Tue, Oct 21

4:42 pm - 2:27 pmFAT-STL

19h 45m1 stop

7:00 am - 8:34 pmSTL-FAT

15h 34m2 stops

$365Alaska Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

4:33 pm - 11:57 pmFAT-STL

5h 24m1 stop

7:00 am - 3:43 pmSTL-FAT

10h 43m2 stops

$368American Airlines

Find Deal

Fri, Oct 17 - Tue, Oct 21

1:10 pm - 12:30 amFAT-STL

9h 20m1 stop

9:50 am - 6:40 pmSTL-FAT

10h 50m2 stops

$424Southwest

Find Deal

Tue, Nov 25 - Fri, Nov 28

6:45 am - 4:28 pmFAT-STL

7h 43m2 stops

1:35 pm - 9:42 pmSTL-FAT

10h 07m2 stops

$445United Airlines

Find Deal

Tue, Nov 18 - Fri, Nov 21

5:30 am - 3:15 pmFAT-STL

7h 45m2 stops

9:50 am - 6:40 pmSTL-FAT

10h 50m2 stops

$455Southwest

Find Deal

Tue, Nov 25 - Fri, Nov 28

2:16 pm - 12:28 pmFAT-STL

20h 12m2 stops

6:15 am - 5:27 pmSTL-FAT

13h 12m2 stops

$516United Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

American Airlines flights from Fresno to St. Louis

Our best American Airlines deals on Fresno to St. Louis flight tickets

American Airlines

Oct 17

FAT2:30 pmFresno Airterminal

7h 19m

1 stop

STL11:49 pmLambert-St Louis

Oct 21

STL7:00 amLambert-St Louis

7h 20m

1 stop

FAT12:20 pmFresno Airterminal

$363

Find similar

American Airlines

Oct 17

FAT4:33 pmFresno Airterminal

5h 24m

1 stop

STL11:57 pmLambert-St Louis

Oct 21

STL7:00 amLambert-St Louis

10h 43m

2 stops

FAT3:43 pmFresno Airterminal

$368

Find similar

American Airlines

Nov 5

FAT6:02 amFresno Airterminal

5h 38m

1 stop

STL1:40 pmLambert-St Louis

Nov 9

STL7:21 amLambert-St Louis

6h 44m

1 stop

FAT12:05 pmFresno Airterminal

$377

Find similar

Southwest flights from Fresno to St. Louis

Our best Southwest deals on Fresno to St. Louis flight tickets

Southwest

Nov 25

FAT1:10 pmFresno Airterminal

9h 20m

1 stop

STL12:30 amLambert-St Louis

Nov 28

STL9:50 amLambert-St Louis

10h 50m

2 stops

FAT6:40 pmFresno Airterminal

$424

Find similar

Southwest

Nov 25

FAT5:30 amFresno Airterminal

7h 45m

2 stops

STL3:15 pmLambert-St Louis

Nov 28

STL9:50 amLambert-St Louis

10h 50m

2 stops

FAT6:40 pmFresno Airterminal

$455

Find similar

Southwest

Dec 20

FAT9:50 amFresno Airterminal

12h 15m

1 stop

STL12:05 amLambert-St Louis

Dec 26

STL6:00 amLambert-St Louis

8h 30m

2 stops

FAT12:30 pmFresno Airterminal

$468

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Mon 9/29

6:22 pm-9:06 am

2 stops12h 44m

Lambert-St Louis

Mon 10/6

9:29 pm-10:17 am

1 stop14h 48m

$242

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 10/17

6:20 pm-3:56 pm

1 stop19h 36m

Lambert-St Louis

Mon 10/20

9:59 pm-10:17 am

1 stop14h 18m

$250

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/4

4:42 pm-2:27 pm

1 stop19h 45m

Lambert-St Louis

Sun 12/7

7:00 am-3:48 pm

1 stop10h 48m

$316

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 10/17

2:30 pm-11:49 pm

1 stop7h 19m

Lambert-St Louis

Tue 10/21

7:00 am-12:20 pm

1 stop7h 20m

$363

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/4

4:42 pm-2:27 pm

1 stop19h 45m

Lambert-St Louis

Sun 12/7

7:00 am-8:34 pm

2 stops15h 34m

$365

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 10/17

4:33 pm-11:57 pm

1 stop5h 24m

Lambert-St Louis

Tue 10/21

7:00 am-3:43 pm

2 stops10h 43m

$368

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 11/25

1:10 pm-12:30 am

1 stop9h 20m

Lambert-St Louis

Fri 11/28

9:50 am-6:40 pm

2 stops10h 50m

$424

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 11/18

6:45 am-4:28 pm

2 stops7h 43m

Lambert-St Louis

Fri 11/21

1:35 pm-9:42 pm

2 stops10h 07m

$445

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 11/25

5:30 am-3:15 pm

2 stops7h 45m

Lambert-St Louis

Fri 11/28

9:50 am-6:40 pm

2 stops10h 50m

$455

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 10/17

2:16 pm-12:28 pm

2 stops20h 12m

Lambert-St Louis

Mon 10/20

6:15 am-5:27 pm

2 stops13h 12m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 September 2025, prices for Fresno to St. Louis flights are approximately 14% 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

Direct flights	None

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 21m 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?
As of September 2025, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Fresno to St. Louis is American Airlines, representing 45% of all bookings. The subsequent popular airlines are Southwest at 28%, United Airlines at 16%, and Delta at 11%.

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
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 7,956 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 8,931 reviews	Search United Airlines flights
Southwest	PriceFrom $350	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights

Southwest Flights From Fresno to St. Louis
Southwest flies from Fresno to St. Louis around 1 time per week, with 4,245 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Fresno to St. Louis in the last 72 hours was $350 (round-trip), much lower than the average airfare cost of $467 for Southwest flights on this route.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

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.