What airlines fly to St. Louis?

American Airlines, Southwest and United Airlines 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 52% 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.

$198 Cheap Flights from Fresno to St. Louis in 2025/26

1 adult

0 bags

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5:43 pm - 8:48 pm

FAT

STL

25h 05m1 stop

10:11 pm - 2:15 pm

STL

FAT

18h 04m1 stop

$198Multiple Airlines

Thu, Feb 5 - Thu, Feb 12

5:43 pm - 8:50 pm

FAT

STL

25h 07m1 stop

9:43 pm - 10:16 am

STL

FAT

14h 33m1 stop

$203Multiple Airlines

Sun, Feb 1 - Fri, Feb 6

5:43 pm - 8:48 pm

FAT

STL

25h 05m1 stop

10:11 pm - 10:18 am

STL

FAT

14h 07m1 stop

$210Multiple Airlines

Thu, Feb 5 - Fri, Feb 13

5:43 pm - 8:50 pm

FAT

STL

25h 07m1 stop

10:11 pm - 2:15 pm

STL

FAT

18h 04m1 stop

$217Multiple Airlines

Sun, Feb 8 - Thu, Feb 12

10:36 am - 8:48 pm

FAT

STL

8h 12m1 stop

9:32 pm - 2:42 pm

STL

FAT

19h 10m1 stop

$224Multiple Airlines

Fri, Jan 30 - Sun, Feb 1

6:40 pm - 9:26 pm

FAT

STL

24h 46m1 stop

10:11 pm - 10:17 am

STL

FAT

14h 06m1 stop

$227Multiple Airlines

Thu, Feb 19 - Fri, Feb 27

3:27 pm - 8:50 pm

FAT

STL

27h 23m1 stop

10:11 pm - 10:18 am

STL

FAT

14h 07m1 stop

$228Multiple Airlines

Sun, Feb 8 - Fri, Feb 13

5:43 pm - 8:50 pm

FAT

STL

25h 07m1 stop

10:11 pm - 10:18 am

STL

FAT

14h 07m1 stop

$229Multiple Airlines

Sun, Feb 8 - Fri, Feb 13

10:36 am - 8:48 pm

FAT

STL

8h 12m1 stop

10:01 pm - 9:46 am

STL

FAT

13h 45m1 stop

$232Multiple Airlines

Fri, Jan 30 - Thu, Feb 5

6:38 pm - 11:19 am

FAT

STL

14h 41m1 stop

12:14 pm - 3:13 pm

STL

FAT

28h 59m1 stop

$245Multiple Airlines

Thu, Mar 5 - Wed, Mar 11

United Airlines flights from Fresno to St. Louis

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

United Airlines

Jan 8

FAT2:14 pmFresno Airterminal

12h 57m

2 stops

STL5:11 amLambert-St Louis

Jan 13

STL8:45 amLambert-St Louis

11h 01m

2 stops

FAT5:46 pmFresno Airterminal

$737

Find similar

United Airlines

Dec 31

FAT5:15 amFresno Airterminal

6h 05m

1 stop

STL1:20 pmLambert-St Louis

Dec 31

STL6:35 pmLambert-St Louis

19h 17m

2 stops

FAT11:52 amFresno Airterminal

$1,133

Find similar

United Airlines

Dec 31

FAT5:15 amFresno Airterminal

9h 12m

2 stops

STL4:27 pmLambert-St Louis

Dec 31

STL6:35 pmLambert-St Louis

19h 17m

2 stops

FAT11:52 amFresno Airterminal

$1,600

Find similar

Southwest flights from Fresno to St. Louis

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

Southwest

Jan 8

FAT3:10 pmFresno Airterminal

5h 10m

1 stop

STL10:20 pmLambert-St Louis

Jan 14

STL2:50 pmLambert-St Louis

6h 50m

1 stop

FAT7:40 pmFresno Airterminal

$772

Find similar

Southwest

Jan 4

FAT10:55 amFresno Airterminal

10h 35m

2 stops

STL11:30 pmLambert-St Louis

Jan 11

STL9:40 amLambert-St Louis

8h 15m

2 stops

FAT3:55 pmFresno Airterminal

$992

Find similar

Southwest

Dec 31

FAT5:35 amFresno Airterminal

6h 40m

1 stop

STL2:15 pmLambert-St Louis

Dec 31

STL3:15 pmLambert-St Louis

7h 55m

1 stop

FAT9:10 pmFresno Airterminal

$1,067

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/5

5:43 pm-8:48 pm

1 stop25h 05m

Lambert-St Louis

Thu 2/12

10:11 pm-2:15 pm

1 stop18h 04m

$198

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sun 2/1

5:43 pm-8:50 pm

1 stop25h 07m

Lambert-St Louis

Fri 2/6

9:43 pm-10:16 am

1 stop14h 33m

$203

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/5

5:43 pm-8:48 pm

1 stop25h 05m

Lambert-St Louis

Fri 2/13

10:11 pm-10:18 am

1 stop14h 07m

$210

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sun 2/8

5:43 pm-8:50 pm

1 stop25h 07m

Lambert-St Louis

Thu 2/12

10:11 pm-2:15 pm

1 stop18h 04m

$217

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 1/30

10:36 am-8:48 pm

1 stop8h 12m

Lambert-St Louis

Sun 2/1

9:32 pm-2:42 pm

1 stop19h 10m

$224

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 2/19

6:40 pm-9:26 pm

1 stop24h 46m

Lambert-St Louis

Fri 2/27

10:11 pm-10:17 am

1 stop14h 06m

$227

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sun 2/8

3:27 pm-8:50 pm

1 stop27h 23m

Lambert-St Louis

Fri 2/13

10:11 pm-10:18 am

1 stop14h 07m

$228

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sun 2/8

5:43 pm-8:50 pm

1 stop25h 07m

Lambert-St Louis

Fri 2/13

10:11 pm-10:18 am

1 stop14h 07m

$229

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 1/30

10:36 am-8:48 pm

1 stop8h 12m

Lambert-St Louis

Thu 2/5

10:01 pm-9:46 am

1 stop13h 45m

$232

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 3/5

6:38 pm-11:19 am

1 stop14h 41m

Lambert-St Louis

Wed 3/11

12:14 pm-3:13 pm

1 stop28h 59m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 January is another great option to travel to St. Louis, with average flight prices from Fresno averaging around $396.

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	5h 48m
Direct flights	None

The fastest flight from Fresno to St. Louis takes 5h 48m

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 48m 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%, Delta at 13%, and United Airlines 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 8,013 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,075 reviews	Search American Airlines flights
Southwest	PriceFrom $330	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 9,124 reviews	Search United Airlines flights

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Chesterfield

Hermann

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Maryland Heights

O'Fallon

Florissant

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Glencoe

Eureka

Festus

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.