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 51% 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.

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 December 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.

$134 Cheap Flights from Fresno to St. Louis in 2025/26

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5:43 pm - 8:48 pm

FAT

STL

25h 05m1 stop

1:40 pm - 8:28 pm

STL

FAT

8h 48m2 stops

$260Multiple Airlines

Thu, Jan 22 - Mon, Feb 2

3:27 pm - 9:14 pm

FAT

STL

27h 47m1 stop

1:35 pm - 8:28 pm

STL

FAT

8h 53m1 stop

$297Multiple Airlines

Thu, Jan 15 - Mon, Jan 19

3:27 pm - 12:40 pm

FAT

STL

19h 13m1 stop

3:43 pm - 2:37 pm

STL

FAT

24h 54m2 stops

$312Multiple Airlines

Thu, Jan 15 - Sat, Jan 17

4:34 pm - 1:54 pm

FAT

STL

19h 20m1 stop

2:50 pm - 10:08 pm

STL

FAT

9h 18m1 stop

$328Alaska Airlines

Wed, Jan 7 - Wed, Jan 14

11:00 am - 7:15 pm

FAT

STL

6h 15m1 stop

6:00 am - 10:25 am

STL

FAT

6h 25m1 stop

$329Southwest

Tue, Jan 6 - Tue, Jan 13

11:00 am - 7:15 pm

FAT

STL

6h 15m1 stop

2:15 pm - 8:55 pm

STL

FAT

8h 40m2 stops

$334Southwest

Tue, Jan 6 - Tue, Jan 13

4:34 pm - 1:54 pm

FAT

STL

19h 20m1 stop

6:19 pm - 3:37 pm

STL

FAT

23h 18m1 stop

$336Alaska Airlines

Thu, Jan 15 - Sat, Jan 17

11:00 am - 9:45 pm

FAT

STL

8h 45m2 stops

5:55 am - 1:35 pm

STL

FAT

9h 40m2 stops

$339Southwest

Tue, Jan 6 - Tue, Jan 13

7:10 am - 8:58 pm

FAT

STL

11h 48m2 stops

1:15 pm - 9:10 pm

STL

FAT

9h 55m2 stops

$347United Airlines

Thu, Jan 15 - Sat, Jan 17

4:34 pm - 1:54 pm

FAT

STL

19h 20m1 stop

2:50 pm - 10:08 pm

STL

FAT

9h 18m1 stop

$348Alaska Airlines

Thu, Jan 22 - Tue, Jan 27

American Airlines flights from Fresno to St. Louis

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

American Airlines

Dec 23

FAT7:15 pmFresno Airterminal

11h 20m

2 stops

STL8:35 amLambert-St Louis

Dec 26

STL7:00 amLambert-St Louis

17h 36m

1 stop

FAT10:36 pmFresno Airterminal

$768

Find similar

American Airlines

Dec 23

FAT4:28 pmFresno Airterminal

5h 21m

1 stop

STL11:49 pmLambert-St Louis

Dec 26

STL2:43 pmLambert-St Louis

6h 47m

1 stop

FAT7:30 pmFresno Airterminal

$827

Find similar

American Airlines

Dec 23

FAT12:58 pmFresno Airterminal

8h 54m

2 stops

STL11:52 pmLambert-St Louis

Dec 26

STL2:43 pmLambert-St Louis

6h 47m

1 stop

FAT7:30 pmFresno Airterminal

$832

Find similar

United Airlines flights from Fresno to St. Louis

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

United Airlines

Jan 15

FAT7:10 amFresno Airterminal

11h 48m

2 stops

STL8:58 pmLambert-St Louis

Jan 17

STL1:15 pmLambert-St Louis

9h 55m

2 stops

FAT9:10 pmFresno Airterminal

$347

Find similar

United Airlines

Jan 22

FAT5:10 amFresno Airterminal

6h 06m

1 stop

STL1:16 pmLambert-St Louis

Feb 2

STL5:00 pmLambert-St Louis

6h 51m

1 stop

FAT9:51 pmFresno Airterminal

$369

Find similar

United Airlines

Jan 24

FAT7:30 amFresno Airterminal

11h 28m

2 stops

STL8:58 pmLambert-St Louis

Feb 2

STL4:15 pmLambert-St Louis

6h 48m

1 stop

FAT9:03 pmFresno Airterminal

$370

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/22

5:43 pm-8:48 pm

1 stop25h 05m

Lambert-St Louis

Mon 2/2

1:40 pm-8:28 pm

2 stops8h 48m

$260

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/15

3:27 pm-9:14 pm

1 stop27h 47m

Lambert-St Louis

Mon 1/19

1:35 pm-8:28 pm

1 stop8h 53m

$297

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/15

3:27 pm-12:40 pm

1 stop19h 13m

Lambert-St Louis

Sat 1/17

3:43 pm-2:37 pm

2 stops24h 54m

$312

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 1/7

4:34 pm-1:54 pm

1 stop19h 20m

Lambert-St Louis

Wed 1/14

2:50 pm-10:08 pm

1 stop9h 18m

$328

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

11:00 am-7:15 pm

1 stop6h 15m

Lambert-St Louis

Tue 1/13

6:00 am-10:25 am

1 stop6h 25m

$329

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

11:00 am-7:15 pm

1 stop6h 15m

Lambert-St Louis

Tue 1/13

2:15 pm-8:55 pm

2 stops8h 40m

$334

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/15

4:34 pm-1:54 pm

1 stop19h 20m

Lambert-St Louis

Sat 1/17

6:19 pm-3:37 pm

1 stop23h 18m

$336

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

11:00 am-9:45 pm

2 stops8h 45m

Lambert-St Louis

Tue 1/13

5:55 am-1:35 pm

2 stops9h 40m

$339

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/15

7:10 am-8:58 pm

2 stops11h 48m

Lambert-St Louis

Sat 1/17

1:15 pm-9:10 pm

2 stops9h 55m

$347

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/22

4:34 pm-1:54 pm

1 stop19h 20m

Lambert-St Louis

Tue 1/27

2:50 pm-10:08 pm

1 stop9h 18m

$348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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 41% 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 10m
Direct flights	None

The fastest flight from Fresno to St. Louis takes 5h 10m

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 10m 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 December 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 42% of all bookings. The subsequent popular airlines are Southwest at 30%, United Airlines at 15%, and Delta at 13%.

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 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Southwest	PriceFrom $330	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Farmington

Festus

Clayton

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.