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.

What is the cheapest airline that flies from Fresno Airterminal to Lambert-St Louis?

United Airlines and Delta are the most popular carriers operating from Fresno Airterminal to Lambert-St Louis

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.

$124 Cheap Flights from Fresno to St. Louis in 2025/26

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6:05 am - 2:48 pm

FAT

STL

6h 43m1 stop

2:38 pm - 9:42 pm

STL

FAT

9h 04m1 stop

$334Delta

Sat, Jan 17 - Sat, Jan 24

5:09 pm - 8:53 am

FAT

STL

13h 44m2 stops

6:40 am - 11:41 am

STL

FAT

7h 01m1 stop

$339Delta

Sat, Jan 17 - Sat, Jan 24

10:04 am - 11:26 pm

FAT

STL

11h 22m2 stops

11:05 am - 7:27 pm

STL

FAT

10h 22m2 stops

$344American Airlines

Sat, Jan 17 - Sat, Jan 24

3:40 pm - 1:51 pm

FAT

STL

20h 11m1 stop

7:00 am - 2:39 pm

STL

FAT

9h 39m1 stop

$354Alaska Airlines

Tue, Feb 17 - Fri, Feb 20

5:25 am - 1:55 pm

FAT

STL

6h 30m1 stop

5:35 am - 11:35 am

STL

FAT

8h 00m2 stops

$360Southwest

Tue, Feb 17 - Fri, Feb 20

8:35 am - 9:25 pm

FAT

STL

10h 50m1 stop

3:43 pm - 10:16 am

STL

FAT

20h 33m2 stops

$361Multiple Airlines

Mon, Jan 5 - Fri, Jan 9

9:52 am - 10:09 pm

FAT

STL

10h 17m2 stops

2:24 pm - 10:27 pm

STL

FAT

10h 03m2 stops

$385American Airlines

Tue, Feb 17 - Fri, Feb 20

1:15 pm - 10:25 pm

FAT

STL

7h 10m1 stop

2:50 pm - 9:29 pm

STL

FAT

8h 39m1 stop

$388United Airlines

Tue, Mar 10 - Mon, Mar 16

10:45 am - 11:34 pm

FAT

STL

10h 49m2 stops

2:50 pm - 9:29 pm

STL

FAT

8h 39m1 stop

$393United Airlines

Tue, Mar 10 - Mon, Mar 16

2:14 pm - 11:34 pm

FAT

STL

7h 20m2 stops

5:15 am - 11:50 am

STL

FAT

8h 35m2 stops

$398United Airlines

Tue, Mar 10 - Mon, Mar 16

American Airlines flights from Fresno to St. Louis

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

American Airlines

Jan 17

FAT10:04 amFresno Airterminal

11h 22m

2 stops

STL11:26 pmLambert-St Louis

Jan 24

STL11:05 amLambert-St Louis

10h 22m

2 stops

FAT7:27 pmFresno Airterminal

$344

Find similar

American Airlines

Feb 17

FAT9:52 amFresno Airterminal

10h 17m

2 stops

STL10:09 pmLambert-St Louis

Feb 20

STL2:24 pmLambert-St Louis

10h 03m

2 stops

FAT10:27 pmFresno Airterminal

$385

Find similar

American Airlines

May 29

FAT11:59 pmFresno Airterminal

6h 53m

1 stop

STL8:52 amLambert-St Louis

Jun 2

STL6:06 pmLambert-St Louis

6h 03m

1 stop

FAT10:09 pmFresno Airterminal

$446

Find similar

Delta flights from Fresno to St. Louis

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

Delta

Jan 17

FAT6:05 amFresno Airterminal

6h 43m

1 stop

STL2:48 pmLambert-St Louis

Jan 24

STL2:38 pmLambert-St Louis

9h 04m

1 stop

FAT9:42 pmFresno Airterminal

$334

Find similar

Delta

Jan 17

FAT5:09 pmFresno Airterminal

13h 44m

2 stops

STL8:53 amLambert-St Louis

Jan 24

STL6:40 amLambert-St Louis

7h 01m

1 stop

FAT11:41 amFresno Airterminal

$339

Find similar

Delta

Jan 5

FAT5:09 pmFresno Airterminal

13h 44m

2 stops

STL8:53 amLambert-St Louis

Jan 9

STL6:35 amLambert-St Louis

11h 54m

2 stops

FAT4:29 pmFresno Airterminal

$613

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 1/17

6:05 am-2:48 pm

1 stop6h 43m

Lambert-St Louis

Sat 1/24

2:38 pm-9:42 pm

1 stop9h 04m

$334

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 1/17

5:09 pm-8:53 am

2 stops13h 44m

Lambert-St Louis

Sat 1/24

6:40 am-11:41 am

1 stop7h 01m

$339

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 1/17

10:04 am-11:26 pm

2 stops11h 22m

Lambert-St Louis

Sat 1/24

11:05 am-7:27 pm

2 stops10h 22m

$344

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/17

3:40 pm-1:51 pm

1 stop20h 11m

Lambert-St Louis

Fri 2/20

7:00 am-2:39 pm

1 stop9h 39m

$354

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/17

5:25 am-1:55 pm

1 stop6h 30m

Lambert-St Louis

Fri 2/20

5:35 am-11:35 am

2 stops8h 00m

$360

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Mon 1/5

8:35 am-9:25 pm

1 stop10h 50m

Lambert-St Louis

Fri 1/9

3:43 pm-10:16 am

2 stops20h 33m

$361

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 2/17

9:52 am-10:09 pm

2 stops10h 17m

Lambert-St Louis

Fri 2/20

2:24 pm-10:27 pm

2 stops10h 03m

$385

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 3/10

1:15 pm-10:25 pm

1 stop7h 10m

Lambert-St Louis

Mon 3/16

2:50 pm-9:29 pm

1 stop8h 39m

$388

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 3/10

10:45 am-11:34 pm

2 stops10h 49m

Lambert-St Louis

Mon 3/16

2:50 pm-9:29 pm

1 stop8h 39m

$393

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 3/10

2:14 pm-11:34 pm

2 stops7h 20m

Lambert-St Louis

Mon 3/16

5:15 am-11:50 am

2 stops8h 35m

$398

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

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 $395.

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 45% 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	6h 05m
Direct flights	None

The fastest flight from Fresno to St. Louis takes 6h 05m

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 6h 05m 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 43% of all bookings. The subsequent popular airlines are Southwest at 31%, United Airlines at 14%, and Delta at 12%.

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 $168	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Southwest	PriceFrom $330	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights

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Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

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.