Cheap flights from Fresno to St. Louis from $185

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 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:54 pm - 12:12 pmFAT-STL
17h 18m1 stop
Multiple Airlines Logo
1:16 pm - 11:15 amSTL-FAT
23h 59m1 stop
$246Multiple Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
Multiple Airlines Logo
4:54 pm - 12:12 pmFAT-STL
17h 18m1 stop
Multiple Airlines Logo
10:44 pm - 7:35 amSTL-FAT
10h 51m1 stop
$270Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
4:54 pm - 12:12 pmFAT-STL
17h 18m1 stop
Multiple Airlines Logo
7:43 pm - 11:15 amSTL-FAT
17h 32m2 stops
$278Multiple Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
Multiple Airlines Logo
9:35 am - 12:12 pmFAT-STL
24h 37m1 stop
Multiple Airlines Logo
1:16 pm - 11:15 amSTL-FAT
23h 59m1 stop
$283Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Alaska Airlines Logo
4:26 pm - 1:54 pmFAT-STL
19h 28m1 stop
Alaska Airlines Logo
2:50 pm - 10:08 pmSTL-FAT
9h 18m1 stop
$300Alaska Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
Southwest Logo
11:00 am - 7:20 pmFAT-STL
6h 20m1 stop
Southwest Logo
6:20 am - 1:35 pmSTL-FAT
9h 15m2 stops
$306Southwest
Find Deal
Tue, Jan 6 - Tue, Jan 13
Southwest Logo
11:00 am - 8:35 pmFAT-STL
7h 35m2 stops
Southwest Logo
5:55 am - 1:35 pmSTL-FAT
9h 40m2 stops
$311Southwest
Find Deal
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
4:54 pm - 11:07 amFAT-STL
16h 13m2 stops
Multiple Airlines Logo
10:44 pm - 7:35 amSTL-FAT
10h 51m1 stop
$314Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
9:35 am - 8:59 amFAT-STL
21h 24m2 stops
Multiple Airlines Logo
1:16 pm - 11:15 amSTL-FAT
23h 59m1 stop
$315Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Multiple Airlines Logo
5:21 pm - 9:25 pmFAT-STL
26h 04m1 stop
Multiple Airlines Logo
8:42 pm - 8:20 amSTL-FAT
37h 38m2 stops
$335Multiple Airlines
Find Deal
Thu, Dec 18 - Fri, Jan 2

Alaska Airlines flights from Fresno to St. Louis

Our best Alaska Airlines deals on Fresno to St. Louis flight tickets
Alaska Airlines
Jan 6
FAT4:26 pmFresno Airterminal
19h 28m
1 stop
STL1:54 pmLambert-St Louis
Jan 13
STL2:50 pmLambert-St Louis
9h 18m
1 stop
FAT10:08 pmFresno Airterminal
Alaska Airlines
Apr 4
FAT2:31 pmFresno Airterminal
7h 24m
1 stop
STL11:55 pmLambert-St Louis
Apr 9
STL7:00 amLambert-St Louis
8h 31m
1 stop
FAT1:31 pmFresno Airterminal
Alaska Airlines
Dec 9
FAT8:07 amFresno Airterminal
28h 20m
1 stop
STL2:27 pmLambert-St Louis
Dec 13
STL7:00 amLambert-St Louis
10h 44m
1 stop
FAT3:44 pmFresno Airterminal

Southwest flights from Fresno to St. Louis

Our best Southwest deals on Fresno to St. Louis flight tickets
Southwest
Jan 6
FAT11:00 amFresno Airterminal
6h 20m
1 stop
STL7:20 pmLambert-St Louis
Jan 13
STL6:20 amLambert-St Louis
9h 15m
2 stops
FAT1:35 pmFresno Airterminal
Southwest
Jan 6
FAT11:00 amFresno Airterminal
7h 35m
2 stops
STL8:35 pmLambert-St Louis
Jan 13
STL5:55 amLambert-St Louis
9h 40m
2 stops
FAT1:35 pmFresno Airterminal
Southwest
Dec 10
FAT12:40 pmFresno Airterminal
6h 20m
1 stop
STL9:00 pmLambert-St Louis
Dec 13
STL10:00 amLambert-St Louis
5h 35m
1 stop
FAT1:35 pmFresno Airterminal

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 November 26, 2025.
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

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 12/10

4:54 pm-12:12 pm

1 stop17h 18m

Lambert-St Louis

Mon 12/15

1:16 pm-11:15 am

1 stop23h 59m

$246

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 12/10

4:54 pm-12:12 pm

1 stop17h 18m

Lambert-St Louis

Sun 12/14

10:44 pm-7:35 am

1 stop10h 51m

$270

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 12/10

4:54 pm-12:12 pm

1 stop17h 18m

Lambert-St Louis

Mon 12/15

7:43 pm-11:15 am

2 stops17h 32m

$278

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/11

9:35 am-12:12 pm

1 stop24h 37m

Lambert-St Louis

Mon 12/15

1:16 pm-11:15 am

1 stop23h 59m

$283

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

4:26 pm-1:54 pm

1 stop19h 28m

Lambert-St Louis

Tue 1/13

2:50 pm-10:08 pm

1 stop9h 18m

$300

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

11:00 am-7:20 pm

1 stop6h 20m

Lambert-St Louis

Tue 1/13

6:20 am-1:35 pm

2 stops9h 15m

$306

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 1/6

11:00 am-8:35 pm

2 stops7h 35m

Lambert-St Louis

Tue 1/13

5:55 am-1:35 pm

2 stops9h 40m

$311

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 12/10

4:54 pm-11:07 am

2 stops16h 13m

Lambert-St Louis

Sun 12/14

10:44 pm-7:35 am

1 stop10h 51m

$314

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/11

9:35 am-8:59 am

2 stops21h 24m

Lambert-St Louis

Mon 12/15

1:16 pm-11:15 am

1 stop23h 59m

$315

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 12/18

5:21 pm-9:25 pm

1 stop26h 04m

Lambert-St Louis

Fri 1/2

8:42 pm-8:20 am

2 stops37h 38m

$335

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, 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 November 2025, prices for Fresno to St. Louis flights are approximately 158% 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.
  • 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?

  • 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
DeltaPriceFrom $278Free CancellationRating
7.9
7,999 reviews
Search Delta flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,046 reviews
Search United Airlines 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
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.

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1 adult
Fri 12/26
Fri 1/2

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