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Cheap flights from Fresno to St. Louis from $126

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 8/16. 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
9:32 pm - 1:17 amFAT  Fresno Airterminal-STL Lambert-St Louis
25h 45m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:10 pm - 7:47 amSTL  Lambert-St Louis-FAT Fresno Airterminal
37h 37m2 stops Denver Intl Las Vegas Harry Reid Intl
$315Multiple Airlines
Thu, Oct 15 - Tue, Oct 20
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
8:00 am - 12:08 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 08m1 stop Phoenix Sky Harbor Intl
$317American Airlines
Mon, Sep 14 - Mon, Sep 21
Southwest Logo
3:25 pm - 10:45 pmFAT  Fresno Airterminal-STL Lambert-St Louis
5h 20m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:35 am - 2:45 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
9h 10m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
$324Southwest
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
1:01 pm - 11:43 pmFAT  Fresno Airterminal-STL Lambert-St Louis
8h 42m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
American Airlines Logo
8:00 am - 12:08 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 08m1 stop Phoenix Sky Harbor Intl
$328American Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
5:09 pm - 11:32 amFAT  Fresno Airterminal-STL Lambert-St Louis
16h 23m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:29 pm - 10:19 amSTL  Lambert-St Louis-FAT Fresno Airterminal
21h 50m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$354Multiple Airlines
Tue, Sep 22 - Fri, Sep 25
Southwest Logo
7:40 am - 4:35 pmFAT  Fresno Airterminal-STL Lambert-St Louis
6h 55m1 stop San Diego
Southwest Logo
8:25 am - 1:50 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
7h 25m1 stop San Diego
$357Southwest
Thu, Jan 28 - Mon, Feb 1
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 - 7:24 amSTL  Lambert-St Louis-FAT Fresno Airterminal
21h 07m1 stop Las Vegas Harry Reid Intl
$357Multiple Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
2:33 pm - 11:42 pmFAT  Fresno Airterminal-STL Lambert-St Louis
7h 09m1 stop Dallas/Fort Worth
American Airlines Logo
5:42 am - 10:14 amSTL  Lambert-St Louis-FAT Fresno Airterminal
6h 32m1 stop Dallas/Fort Worth
$357American Airlines
Tue, Sep 1 - Mon, Sep 7
United Airlines Logo
5:00 am - 12:38 pmFAT  Fresno Airterminal-STL Lambert-St Louis
5h 38m1 stop Denver Intl
United Airlines Logo
1:08 pm - 8:09 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
9h 01m2 stops Chicago O'Hare Intl Los Angeles
$462United Airlines
Mon, Nov 2 - Thu, Nov 5
United Airlines Logo
5:00 am - 12:38 pmFAT  Fresno Airterminal-STL Lambert-St Louis
5h 38m1 stop Denver Intl
United Airlines Logo
11:15 am - 8:09 pmSTL  Lambert-St Louis-FAT Fresno Airterminal
10h 54m2 stops Chicago O'Hare Intl Los Angeles
$462United Airlines
Mon, Nov 2 - Thu, Nov 5

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American Airlines flights from Fresno to St. Louis

Our best American Airlines deals on Fresno to St. Louis flight tickets
American Airlines
Sep 14
FAT1:01 pmFresno Airterminal
5h 51m
1 stop
STL8:52 pmLambert-St Louis
Sep 21
STL8:00 amLambert-St Louis
6h 08m
1 stop
FAT12:08 pmFresno Airterminal
$317
American Airlines
Sep 14
FAT1:01 pmFresno Airterminal
8h 42m
2 stops
STL11:43 pmLambert-St Louis
Sep 21
STL8:00 amLambert-St Louis
6h 08m
1 stop
FAT12:08 pmFresno Airterminal
$328
American Airlines
Sep 14
FAT2:50 pmFresno Airterminal
6h 53m
1 stop
STL11:43 pmLambert-St Louis
Sep 21
STL8:00 amLambert-St Louis
6h 08m
1 stop
FAT12:08 pmFresno Airterminal
$357

Alaska Airlines flights from Fresno to St. Louis

Our best Alaska Airlines deals on Fresno to St. Louis flight tickets
Alaska Airlines
Sep 14
FAT4:23 pmFresno Airterminal
22h 47m
2 stops
STL5:10 pmLambert-St Louis
Sep 21
STL6:08 pmLambert-St Louis
23h 38m
2 stops
FAT3:46 pmFresno Airterminal
$384
Alaska Airlines
Nov 2
FAT2:01 pmFresno Airterminal
7h 55m
1 stop
STL11:56 pmLambert-St Louis
Nov 5
STL7:00 amLambert-St Louis
8h 07m
1 stop
FAT1:07 pmFresno Airterminal
$388
Alaska Airlines
Sep 22
FAT11:26 amFresno Airterminal
27h 44m
2 stops
STL5:10 pmLambert-St Louis
Sep 24
STL3:19 pmLambert-St Louis
10h 06m
2 stops
FAT11:25 pmFresno Airterminal
$420

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 10, 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

Thu 10/15

9:32 pm-1:17 am

1 stop25h 45m

Lambert-St Louis

Tue 10/20

8:10 pm-7:47 am

2 stops37h 37m

$315
Quickest round-trip

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Mon 9/14

1:01 pm-8:52 pm

1 stop5h 51m

Lambert-St Louis

Mon 9/21

8:00 am-12:08 pm

1 stop6h 08m

$317

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Thu 9/10

3:25 pm-10:45 pm

1 stop5h 20m

Lambert-St Louis

Wed 9/16

7:35 am-2:45 pm

2 stops9h 10m

$324

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Mon 9/14

1:01 pm-11:43 pm

2 stops8h 42m

Lambert-St Louis

Mon 9/21

8:00 am-12:08 pm

1 stop6h 08m

$328

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Tue 9/22

5:09 pm-11:32 am

1 stop16h 23m

Lambert-St Louis

Fri 9/25

2:29 pm-10:19 am

2 stops21h 50m

$354

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Thu 1/28

7:40 am-4:35 pm

1 stop6h 55m

Lambert-St Louis

Mon 2/1

8:25 am-1:50 pm

1 stop7h 25m

$357

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Tue 9/22

5:09 pm-7:17 pm

2 stops24h 08m

Lambert-St Louis

Sat 9/26

12:17 pm-7:24 am

1 stop21h 07m

$357

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Tue 9/1

2:33 pm-11:42 pm

1 stop7h 09m

Lambert-St Louis

Mon 9/7

5:42 am-10:14 am

1 stop6h 32m

$357

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Mon 11/2

5:00 am-12:38 pm

1 stop5h 38m

Lambert-St Louis

Thu 11/5

1:08 pm-8:09 pm

2 stops9h 01m

$462

FresnoSt. Louis

FAT Fresno Airterminal - STL Lambert-St Louis

FATSTL

Fresno Airterminal

Mon 11/2

5:00 am-12:38 pm

1 stop5h 38m

Lambert-St Louis

Thu 11/5

11:15 am-8:09 pm

2 stops10h 54m

$462

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

6h 38m

Direct flights

None
The fastest flight from Fresno to St. Louis takes 6h 38m
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 6h 38m 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
11,899 reviews
Search American Airlines flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
10,100 reviews
Search United Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,218 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
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
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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