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 January 2026, 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.

$143 Cheap Flights from Fresno to St. Louis in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Fresno to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:34 pm - 1:54 pm

FAT

STL

19h 20m

1 stop

2:50 pm - 7:32 pm

STL

FAT

30h 42m

2 stops

$320Alaska Airlines

mar., feb. 3 - vie., feb. 6

5:10 am - 1:16 pm

FAT

STL

6h 06m

1 stop

8:45 am - 5:46 pm

STL

FAT

11h 01m

2 stops

$343United Airlines

mar., feb. 3 - vie., feb. 6

5:16 am - 1:14 pm

FAT

STL

5h 58m

1 stop

2:45 pm - 8:58 pm

STL

FAT

8h 13m

1 stop

$347United Airlines

sáb., feb. 14 - mié., feb. 18

7:30 am - 8:58 pm

FAT

STL

11h 28m

2 stops

2:45 pm - 9:10 pm

STL

FAT

8h 25m

2 stops

$349United Airlines

mar., feb. 3 - vie., feb. 6

5:16 am - 1:14 pm

FAT

STL

5h 58m

1 stop

8:17 am - 5:50 pm

STL

FAT

11h 33m

2 stops

$352United Airlines

sáb., feb. 14 - mié., feb. 18

6:04 am - 8:26 pm

FAT

STL

12h 22m

2 stops

8:41 am - 8:11 pm

STL

FAT

13h 30m

2 stops

$358United Airlines

sáb., feb. 21 - mar., feb. 24

12:10 pm - 8:15 pm

FAT

STL

6h 05m

1 stop

5:20 pm - 9:00 pm

STL

FAT

5h 40m

1 stop

$369Southwest

jue., feb. 12 - jue., feb. 19

7:30 am - 3:37 pm

FAT

STL

6h 07m

1 stop

2:45 pm - 9:03 pm

STL

FAT

8h 18m

1 stop

$374United Airlines

mar., feb. 3 - vie., feb. 6

10:50 am - 7:20 pm

FAT

STL

6h 30m

2 stops

5:40 am - 11:50 am

STL

FAT

8h 10m

2 stops

$380Southwest

jue., feb. 12 - jue., feb. 19

6:25 pm - 1:50 am

FAT

STL

5h 25m

1 stop

6:05 pm - 10:50 pm

STL

FAT

6h 45m

1 stop

$388Southwest

sáb., mar. 14 - mar., mar. 17

United Airlines flights from Fresno to St. Louis

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

United Airlines

Feb 3

FAT12:45 pmFresno Airterminal

6h 13m

1 stop

STL8:58 pmLambert-St Louis

Feb 6

STL8:45 amLambert-St Louis

11h 01m

2 stops

FAT5:46 pmFresno Airterminal

$343

United Airlines

Feb 14

FAT5:16 amFresno Airterminal

5h 58m

1 stop

STL1:14 pmLambert-St Louis

Feb 18

STL2:45 pmLambert-St Louis

8h 13m

1 stop

FAT8:58 pmFresno Airterminal

$347

United Airlines

Feb 3

FAT7:30 amFresno Airterminal

11h 28m

2 stops

STL8:58 pmLambert-St Louis

Feb 6

STL2:45 pmLambert-St Louis

8h 25m

2 stops

FAT9:10 pmFresno Airterminal

$349

Alaska Airlines flights from Fresno to St. Louis

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

Alaska Airlines

Feb 3

FAT4:34 pmFresno Airterminal

19h 20m

1 stop

STL1:54 pmLambert-St Louis

Feb 6

STL2:50 pmLambert-St Louis

30h 42m

2 stops

FAT7:32 pmFresno Airterminal

$320

Alaska Airlines

Mar 25

FAT2:33 pmFresno Airterminal

7h 26m

1 stop

STL11:59 pmLambert-St Louis

Mar 30

STL7:00 amLambert-St Louis

8h 39m

1 stop

FAT1:39 pmFresno Airterminal

$362

Alaska Airlines

Mar 25

FAT2:33 pmFresno Airterminal

7h 26m

1 stop

STL11:59 pmLambert-St Louis

Mar 27

STL7:00 amLambert-St Louis

8h 39m

1 stop

FAT1:39 pmFresno Airterminal

$365

Fly from

Fly to

Route

Depart

Return

Price

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

mar. 2/3

4:34 pm-1:54 pm

1 stop19h 20m

Lambert-St Louis

vie. 2/6

2:50 pm-7:32 pm

2 stops30h 42m

$320

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

mar. 2/3

5:10 am-1:16 pm

1 stop6h 06m

Lambert-St Louis

vie. 2/6

8:45 am-5:46 pm

2 stops11h 01m

$343

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

sáb. 2/14

5:16 am-1:14 pm

1 stop5h 58m

Lambert-St Louis

mié. 2/18

2:45 pm-8:58 pm

1 stop8h 13m

$347

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

mar. 2/3

7:30 am-8:58 pm

2 stops11h 28m

Lambert-St Louis

vie. 2/6

2:45 pm-9:10 pm

2 stops8h 25m

$349

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

sáb. 2/14

5:16 am-1:14 pm

1 stop5h 58m

Lambert-St Louis

mié. 2/18

8:17 am-5:50 pm

2 stops11h 33m

$352

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

sáb. 2/21

6:04 am-8:26 pm

2 stops12h 22m

Lambert-St Louis

mar. 2/24

8:41 am-8:11 pm

2 stops13h 30m

$358

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

jue. 2/12

12:10 pm-8:15 pm

1 stop6h 05m

Lambert-St Louis

jue. 2/19

5:20 pm-9:00 pm

1 stop5h 40m

$369

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

mar. 2/3

7:30 am-3:37 pm

1 stop6h 07m

Lambert-St Louis

vie. 2/6

2:45 pm-9:03 pm

1 stop8h 18m

$374

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

jue. 2/12

10:50 am-7:20 pm

2 stops6h 30m

Lambert-St Louis

jue. 2/19

5:40 am-11:50 am

2 stops8h 10m

$380

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

sáb. 3/14

6:25 pm-1:50 am

1 stop5h 25m

Lambert-St Louis

mar. 3/17

6:05 pm-10:50 pm

1 stop6h 45m

$388

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 $344.

How have Fresno to St. Louis flight prices changed over time?

As of January 2026, prices for Fresno to St. Louis flights are approximately 12% more expensive 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 30m
Direct flights	None

The fastest flight from Fresno to St. Louis takes 5h 30m

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 30m 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 January 2026, 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 32%, 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 $168	Free Cancellation	Rating 7.9 8,040 reviews	Search Delta flights
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.2 11,118 reviews	Search American Airlines flights
Southwest	PriceFrom $330	Free Cancellation	Rating 8.0 4,257 reviews	Search Southwest flights
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.4 9,156 reviews	Search United Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Edwardsville

Festus

Glencoe

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.