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Cheap flights from Fresno to St. Louis from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Fresno to St. Louis departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Fresno to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:09 pm - 7:17 pmFAT  Fresno Airterminal-STL Lambert-St Louis
24h 08m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
12:17 pm - 8:34 amSTL  Lambert-St Louis-FAT Fresno Airterminal
22h 17m1 stop Las Vegas Harry Reid Intl
$282Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
6:25 pm - 11:17 amFAT  Fresno Airterminal-STL Lambert-St Louis
14h 52m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:10 pm - 7:59 amSTL  Lambert-St Louis-FAT Fresno Airterminal
37h 49m2 stops Denver Intl Las Vegas Harry Reid Intl
$287Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
10:23 pm - 1:17 amFAT  Fresno Airterminal-STL Lambert-St Louis
24h 54m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:41 pm - 7:42 amSTL  Lambert-St Louis-FAT Fresno Airterminal
15h 01m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$293Multiple Airlines
Fri, Oct 9 - Thu, Oct 15
American Airlines Logo
1:01 pm - 8:52 pmFAT  Fresno Airterminal-STL Lambert-St Louis
5h 51m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:43 am - 10:10 amSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 27m1 stop Dallas/Fort Worth
$299American Airlines
Wed, Sep 23 - Wed, Sep 30
American Airlines Logo
3:05 pm - 11:42 pmFAT  Fresno Airterminal-STL Lambert-St Louis
6h 37m1 stop Dallas/Fort Worth
American Airlines Logo
8:03 am - 12:10 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 07m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Sat, Oct 17 - Sat, Oct 24
Southwest Logo
3:25 pm - 12:40 amFAT  Fresno Airterminal-STL Lambert-St Louis
7h 15m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:35 am - 9:10 amSTL  Lambert-St Louis-FAT Fresno Airterminal
5h 35m1 stop Las Vegas Harry Reid Intl
$299Southwest
Mon, Sep 21 - Tue, Sep 22
United Airlines Logo
5:00 am - 12:40 pmFAT  Fresno Airterminal-STL Lambert-St Louis
5h 40m1 stop Denver Intl
United Airlines Logo
6:00 am - 1:57 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
9h 57m2 stops Chicago O'Hare Intl Los Angeles
$304United Airlines
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
7:23 am - 5:59 pmFAT  Fresno Airterminal-STL Lambert-St Louis
8h 36m1 stop San Francisco
United Airlines Logo
4:40 pm - 9:02 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 22m1 stop Denver Intl
$398United Airlines
Sun, Sep 20 - Mon, Sep 21
Southwest Logo
5:20 am - 3:45 pmFAT  Fresno Airterminal-STL Lambert-St Louis
8h 25m2 stops Las Vegas Harry Reid Intl Austin Bergstrom
Southwest Logo
4:50 pm - 11:30 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
8h 40m2 stops Denver Intl Las Vegas Harry Reid Intl
$409Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
3:20 pm - 1:15 amFAT  Fresno Airterminal-STL Lambert-St Louis
7h 55m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
4:50 pm - 11:30 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
8h 40m2 stops Denver Intl Las Vegas Harry Reid Intl
$507Southwest
Thu, Oct 8 - Mon, Oct 12

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Southwest flights from Fresno to St. Louis

Our best Southwest deals on Fresno to St. Louis flight tickets
Southwest
Sep 21
FAT3:25 pmFresno Airterminal
7h 15m
1 stop
STL12:40 amLambert-St Louis
Sep 22
STL5:35 amLambert-St Louis
5h 35m
1 stop
FAT9:10 amFresno Airterminal
$299
Southwest
Oct 22
FAT5:20 amFresno Airterminal
8h 25m
2 stops
STL3:45 pmLambert-St Louis
Oct 26
STL4:50 pmLambert-St Louis
8h 40m
2 stops
FAT11:30 pmFresno Airterminal
$409
Southwest
Oct 8
FAT3:20 pmFresno Airterminal
7h 55m
2 stops
STL1:15 amLambert-St Louis
Oct 12
STL4:50 pmLambert-St Louis
8h 40m
2 stops
FAT11:30 pmFresno Airterminal
$507

American Airlines flights from Fresno to St. Louis

Our best American Airlines deals on Fresno to St. Louis flight tickets
American Airlines
Sep 23
FAT1:01 pmFresno Airterminal
9h 26m
2 stops
STL12:27 amLambert-St Louis
Sep 30
STL5:43 amLambert-St Louis
6h 27m
1 stop
FAT10:10 amFresno Airterminal
$304
American Airlines
Sep 21
FAT2:50 pmFresno Airterminal
6h 53m
1 stop
STL11:43 pmLambert-St Louis
Sep 22
STL8:30 amLambert-St Louis
9h 21m
2 stops
FAT3:51 pmFresno Airterminal
$307
American Airlines
Oct 6
FAT1:00 pmFresno Airterminal
8h 42m
2 stops
STL11:42 pmLambert-St Louis
Oct 13
STL5:40 amLambert-St Louis
8h 30m
2 stops
FAT12:10 pmFresno Airterminal
$309

momondo Fare Finder

 
Customize your flight search to find flights from Fresno to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Fresno to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Tue 9/8

5:09 pm-7:17 pm

2 stops24h 08m

Lambert-St Louis

Sat 9/12

12:17 pm-8:34 am

1 stop22h 17m

$282

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Thu 9/10

6:25 pm-11:17 am

1 stop14h 52m

Lambert-St Louis

Wed 9/16

8:10 pm-7:59 am

2 stops37h 49m

$287

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Fri 10/9

10:23 pm-1:17 am

1 stop24h 54m

Lambert-St Louis

Thu 10/15

6:41 pm-7:42 am

2 stops15h 01m

$293
Quickest round-trip

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Wed 9/23

1:01 pm-8:52 pm

1 stop5h 51m

Lambert-St Louis

Wed 9/30

5:43 am-10:10 am

1 stop6h 27m

$299

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Sat 10/17

3:05 pm-11:42 pm

1 stop6h 37m

Lambert-St Louis

Sat 10/24

8:03 am-12:10 pm

1 stop6h 07m

$299

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Mon 9/21

3:25 pm-12:40 am

1 stop7h 15m

Lambert-St Louis

Tue 9/22

5:35 am-9:10 am

1 stop5h 35m

$299

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Sat 10/17

5:00 am-12:40 pm

1 stop5h 40m

Lambert-St Louis

Sat 10/24

6:00 am-1:57 pm

2 stops9h 57m

$304

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Sun 9/20

7:23 am-5:59 pm

1 stop8h 36m

Lambert-St Louis

Mon 9/21

4:40 pm-9:02 pm

1 stop6h 22m

$398

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Thu 10/22

5:20 am-3:45 pm

2 stops8h 25m

Lambert-St Louis

Mon 10/26

4:50 pm-11:30 pm

2 stops8h 40m

$409

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Thu 10/8

3:20 pm-1:15 am

2 stops7h 55m

Lambert-St Louis

Mon 10/12

4:50 pm-11:30 pm

2 stops8h 40m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

What is the cheapest month to fly to St. Louis?

In general, December 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 $376. The month of October is another great option to travel to St. Louis, with average flight prices from Fresno averaging around $386.

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

As of August 2026, prices for Fresno to St. Louis flights are approximately 1% 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 20m

Direct flights

None
The fastest flight from Fresno to St. Louis takes 5h 20m
There are no direct flights from Fresno to St. Louis. There are no popular flight routes from Fresno to St. Louis.
Search flight deals

Frequently asked questions about flying from Fresno to St. Louis

  • 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 20m 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?

  • 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?

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
American AirlinesPriceFrom $310Free CancellationRating
7.1
11,947 reviews
Search American Airlines flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,217 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
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.

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