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

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

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.

$154 Cheap Flights from Fresno to St. Louis in 2025/26

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11:51 am - 5:13 pm

FAT

STL

27h 22m1 stop

6:22 pm - 11:11 am

STL

FAT

18h 49m1 stop

$447Alaska Airlines

Fri, May 29 - Tue, Jun 2

4:34 pm - 1:54 pm

FAT

STL

19h 20m1 stop

2:50 pm - 3:37 pm

STL

FAT

26h 47m1 stop

$449Alaska Airlines

Thu, Jan 8 - Mon, Jan 12

5:15 am - 3:50 pm

FAT

STL

8h 35m2 stops

7:20 pm - 11:45 pm

STL

FAT

6h 25m1 stop

$452Southwest

Thu, May 28 - Mon, Jun 1

12:45 pm - 8:58 pm

FAT

STL

6h 13m1 stop

8:05 am - 5:46 pm

STL

FAT

11h 41m2 stops

$464United Airlines

Thu, Jan 8 - Mon, Jan 12

5:15 am - 7:45 pm

FAT

STL

12h 30m1 stop

5:30 am - 11:55 am

STL

FAT

8h 25m2 stops

$468Southwest

Fri, May 29 - Tue, Jun 2

7:10 am - 8:58 pm

FAT

STL

11h 48m2 stops

8:05 am - 5:46 pm

STL

FAT

11h 41m2 stops

$469United Airlines

Thu, Jan 8 - Mon, Jan 12

6:57 pm - 5:13 pm

FAT

STL

20h 16m2 stops

6:20 pm - 9:14 am

STL

FAT

16h 54m1 stop

$470Alaska Airlines

Wed, May 27 - Sun, May 31

11:51 am - 5:13 pm

FAT

STL

27h 22m1 stop

6:20 pm - 9:49 am

STL

FAT

17h 29m2 stops

$481Alaska Airlines

Fri, May 29 - Tue, Jun 2

6:31 pm - 9:25 pm

FAT

STL

24h 54m1 stop

8:42 pm - 9:45 am

STL

FAT

15h 03m2 stops

$484Multiple Airlines

Mon, Dec 29 - Fri, Jan 2

2:55 pm - 12:10 am

FAT

STL

7h 15m2 stops

5:15 pm - 11:45 pm

STL

FAT

8h 30m2 stops

$492Southwest

Thu, May 28 - Mon, Jun 1

United Airlines flights from Fresno to St. Louis

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

United Airlines

Jan 8

FAT12:45 pmFresno Airterminal

6h 13m

1 stop

STL8:58 pmLambert-St Louis

Jan 12

STL8:05 amLambert-St Louis

11h 41m

2 stops

FAT5:46 pmFresno Airterminal

$464

Find similar

United Airlines

Jan 8

FAT7:10 amFresno Airterminal

11h 48m

2 stops

STL8:58 pmLambert-St Louis

Jan 12

STL8:05 amLambert-St Louis

11h 41m

2 stops

FAT5:46 pmFresno Airterminal

$469

Find similar

United Airlines

Jan 8

FAT7:10 amFresno Airterminal

12h 50m

2 stops

STL10:00 pmLambert-St Louis

Jan 12

STL8:45 amLambert-St Louis

11h 01m

2 stops

FAT5:46 pmFresno Airterminal

$534

Find similar

American Airlines flights from Fresno to St. Louis

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

American Airlines

Dec 29

FAT6:12 amFresno Airterminal

5h 44m

1 stop

STL1:56 pmLambert-St Louis

Jan 2

STL3:30 pmLambert-St Louis

9h 06m

1 stop

FAT10:36 pmFresno Airterminal

$567

Find similar

American Airlines

Dec 23

FAT12:58 pmFresno Airterminal

8h 54m

2 stops

STL11:52 pmLambert-St Louis

Dec 26

STL11:41 amLambert-St Louis

9h 49m

2 stops

FAT7:30 pmFresno Airterminal

$907

Find similar

American Airlines

Dec 18

FAT11:55 pmFresno Airterminal

7h 01m

1 stop

STL8:56 amLambert-St Louis

Dec 21

STL11:41 amLambert-St Louis

8h 33m

1 stop

FAT6:14 pmFresno Airterminal

$982

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

11:51 am-5:13 pm

1 stop27h 22m

Lambert-St Louis

Tue 6/2

6:22 pm-11:11 am

1 stop18h 49m

$447

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

4:34 pm-1:54 pm

1 stop19h 20m

Lambert-St Louis

Mon 1/12

2:50 pm-3:37 pm

1 stop26h 47m

$449

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 5/28

5:15 am-3:50 pm

2 stops8h 35m

Lambert-St Louis

Mon 6/1

7:20 pm-11:45 pm

1 stop6h 25m

$452

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 1/8

12:45 pm-8:58 pm

1 stop6h 13m

Lambert-St Louis

Mon 1/12

8:05 am-5:46 pm

2 stops11h 41m

$464

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

5:15 am-7:45 pm

1 stop12h 30m

Lambert-St Louis

Tue 6/2

5:30 am-11:55 am

2 stops8h 25m

$468

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

8:05 am-5:46 pm

2 stops11h 41m

$469

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 5/27

6:57 pm-5:13 pm

2 stops20h 16m

Lambert-St Louis

Sun 5/31

6:20 pm-9:14 am

1 stop16h 54m

$470

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Fri 5/29

11:51 am-5:13 pm

1 stop27h 22m

Lambert-St Louis

Tue 6/2

6:20 pm-9:49 am

2 stops17h 29m

$481

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Mon 12/29

6:31 pm-9:25 pm

1 stop24h 54m

Lambert-St Louis

Fri 1/2

8:42 pm-9:45 am

2 stops15h 03m

$484

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 5/28

2:55 pm-12:10 am

2 stops7h 15m

Lambert-St Louis

Mon 6/1

5:15 pm-11:45 pm

2 stops8h 30m

$492

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 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 21m
Direct flights	None

The fastest flight from Fresno to St. Louis takes 5h 21m

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 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 31%, United Airlines at 15%, 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 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
Southwest	PriceFrom $330	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights

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Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Clayton

Festus

Glencoe

Farmington

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.