What are the cheapest airlines flying from Fresno to St. Louis round-trip?

Our cheapest airline available from Fresno to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $279 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $284 and $338 round-trip. Users have found that Delta is 34% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Fresno to St. Louis one-way?

The cheapest airlines for a one-way flight from Fresno to St. Louis are Delta ($140), Southwest ($175), and Alaska Airlines ($275).

What is the cheapest day to fly from Fresno to St. Louis?

Travelers seeking maximum savings on their Fresno to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from Fresno to St. Louis?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Fresno to St. Louis.

What is the cheapest day to fly round-trip from Fresno to St. Louis?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from Fresno to St. Louis.

How far in advance should I book a flight from Fresno to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 387% on flights from Fresno to St. Louis compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $597. For sooner than that we have options available in the next 3 days from $901.

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

February is one of the best times of the year to fly to St. Louis from Fresno. Prices for February average $428 per person but you can even find prices for as low as $331. The most expensive prices can be found in the month of June. Opting for a February flight can save you 10% on your journey compared to booking in June

Can I find deals for flights from Fresno to St. Louis that include hotel bookings?

Yes. In addition to deals on Fresno to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Fresno to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fresno to St. Louis.

Can I find deals for business class flights from Fresno to St. Louis?

Yes. Cheapflights offers flight deals from Fresno to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$140+ Flights from Fresno to St. Louis

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Cheapflights Tip: The best prices from Fresno Airterminal to Lambert-St Louis are usually found in February or July, booked 32 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from Fresno to St. Louis

Round-trip from	$279 (Delta)
One-way from	$140 (Delta)
Popular in	June
Cheapest in	February
Average price	$400

From Fresno Airterminal to Lambert-St Louis

Search Deals

One-way flight from Fresno Airterminal to Lambert-St Louis

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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Fresno to St. Louis

Cheapest flights from Fresno to St. Louis
Explore the most affordable flight options available from Fresno to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Fri 8/111:59 pmFAT - STL

1 stop7h 19mAmerican Airlines

Sun 8/105:15 amSTL - FAT

1 stop6h 29mAmerican Airlines

Deal found 6/30

$279

Tue 8/52:33 pmFAT - STL

2 stops17h 56mMultiple Airlines

Fri 8/810:47 amSTL - FAT

2 stops26h 30mMultiple Airlines

Deal found 6/30

$324

Fri 10/106:30 amFAT - STL

1 stop15h 29mAlaska Airlines

Sun 10/126:33 amSTL - FAT

1 stop11h 14mAlaska Airlines

Deal found 7/1

$338

Thu 10/92:10 pmFAT - STL

2 stops7h 55mSouthwest

Mon 10/134:25 pmSTL - FAT

1 stop7h 45mSouthwest

Deal found 7/1

$356

Sat 8/2310:45 pmFAT - STL

1 stop7h 27mDelta

Tue 8/267:35 amSTL - FAT

1 stop6h 01mDelta

Deal found 6/29

$364

Mon 10/276:55 pmFAT - STL

2 stops15h 44mUnited Airlines

Thu 10/3010:30 amSTL - FAT

2 stops9h 27mUnited Airlines

Deal found 7/1

$436

Best flights from Fresno to St. Louis
Discover carefully curated flight deals from Fresno to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Mon 8/410:40 pmFAT - STL

1 stop9h 01mDelta

Thu 8/73:41 pmSTL - FAT

1 stop7h 43mDelta

Deal found 6/30

$279

Fri 8/112:52 pmFAT - STL

2 stops8h 59mAmerican Airlines

Sun 8/105:15 amSTL - FAT

1 stop6h 29mAmerican Airlines

Deal found 7/1

$284

Sat 8/212:07 pmFAT - STL

2 stops19h 45mMultiple Airlines

Sat 8/93:34 pmSTL - FAT

2 stops18h 22mMultiple Airlines

Deal found 7/2

$328

Fri 10/106:30 amFAT - STL

1 stop15h 29mAlaska Airlines

Sun 10/126:33 amSTL - FAT

1 stop11h 14mAlaska Airlines

Deal found 7/1

$338

Fri 10/105:25 amFAT - STL

2 stops8h 35mSouthwest

Sun 10/125:20 amSTL - FAT

1 stop5h 50mSouthwest

Deal found 7/1

$404

Mon 10/276:55 pmFAT - STL

2 stops15h 44mUnited Airlines

Thu 10/3010:30 amSTL - FAT

2 stops9h 27mUnited Airlines

Deal found 7/1

$436

Last-minute flights from Fresno to St. Louis
Discover last-minute flight deals from Fresno to St. Louis. Data last updated July 2, 2025 and is based on user searches.

Mon 7/77:15 amFAT - STL

2 stops31h 30mUnited Airlines

Sat 7/126:00 amSTL - FAT

1 stop6h 06mUnited Airlines

Deal found 6/30

$763

Mon 7/710:40 pmFAT - STL

1 stop9h 01mDelta

Sat 7/123:41 pmSTL - FAT

1 stop7h 43mDelta

Deal found 6/30

$787

Wed 7/95:21 pmFAT - STL

2 stops14h 31mMultiple Airlines

Mon 10/138:44 amSTL - FAT

3 stops27h 33mMultiple Airlines

Deal found 7/1

$537

Wed 7/911:04 amFAT - STL

1 stop10h 55mAlaska Airlines

Mon 10/136:33 amSTL - FAT

1 stop11h 14mAlaska Airlines

Deal found 7/1

$550

Wed 7/910:05 amFAT - STL

2 stops9h 05mSouthwest

Mon 10/134:25 pmSTL - FAT

1 stop7h 45mSouthwest

Deal found 7/1

$587

Thu 7/106:01 amFAT - STL

1 stop8h 46mAmerican Airlines

Wed 8/612:20 pmSTL - FAT

1 stop7h 54mAmerican Airlines

Deal found 7/1

$605

Tue 7/157:00 amFAT - STL

1 stop6h 47mUnited Airlines

Sat 7/196:00 amSTL - FAT

1 stop6h 06mUnited Airlines

Deal found 6/29

$527

Thu 7/246:40 pmFAT - STL

1 stop5h 15mSouthwest

Mon 7/284:40 pmSTL - FAT

2 stops8h 35mSouthwest

Deal found 6/30

$492

Fri 8/111:59 pmFAT - STL

1 stop7h 19mAmerican Airlines

Sun 8/105:15 amSTL - FAT

1 stop6h 29mAmerican Airlines

Deal found 6/30

$279

Mon 8/410:40 pmFAT - STL

1 stop9h 01mDelta

Thu 8/73:41 pmSTL - FAT

1 stop7h 43mDelta

Deal found 7/2

$351

Tue 8/52:33 pmFAT - STL

2 stops17h 56mMultiple Airlines

Fri 8/810:47 amSTL - FAT

2 stops26h 30mMultiple Airlines

Deal found 6/30

$324

One-way flights from Fresno to St. Louis
Search for one-way flight options from Fresno to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Tue 7/295:15 pmFAT - STL

1 stop5h 23mDelta

Deal found 7/2

$140

Tue 7/2910:05 amFAT - STL

2 stops6h 35mSouthwest

Deal found 7/2

$175

Wed 7/3011:54 amFAT - STL

2 stops10h 05mAlaska Airlines

Deal found 7/2

$275

Sat 7/267:05 pmFAT - STL

2 stops12h 13mAmerican Airlines

Deal found 7/2

$294

Mon 7/73:27 pmFAT - STL

3 stops23h 18mMultiple Airlines

Deal found 7/1

$315

Mon 7/77:15 amFAT - STL

2 stops10h 16mUnited Airlines

Deal found 6/30

$426

Cheapflights Fare Finder

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

Fri 8/1

11:59 pm-9:18 am

1 stop7h 19m

Lambert-St Louis

Sun 8/10

5:15 am-9:44 am

1 stop6h 29m

$279

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 8/5

2:33 pm-10:29 am

2 stops17h 56m

Lambert-St Louis

Fri 8/8

10:47 am-11:17 am

2 stops26h 30m

$324

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 8/23

10:45 pm-8:12 am

1 stop7h 27m

Lambert-St Louis

Tue 8/26

7:35 am-11:36 am

1 stop6h 01m

$364

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Thu 7/24

6:40 pm-1:55 am

1 stop5h 15m

Lambert-St Louis

Mon 7/28

4:40 pm-11:15 pm

2 stops8h 35m

$492

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 7/15

7:00 am-3:47 pm

1 stop6h 47m

Lambert-St Louis

Sat 7/19

6:00 am-10:06 am

1 stop6h 06m

$527

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 7/9

11:04 am-11:59 pm

1 stop10h 55m

Lambert-St Louis

Mon 10/13

6:33 am-3:47 pm

1 stop11h 14m

$550

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 7/29

5:15 pm-12:38 am

1 stop5h 23m

$140

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Tue 7/29

10:05 am-6:40 pm

2 stops6h 35m

$175

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Wed 7/30

11:54 am-11:59 pm

2 stops10h 05m

$275

FresnoSt. Louis

FAT - STL

FATSTL

Fresno Airterminal

Sat 7/26

7:05 pm-9:18 am

2 stops12h 13m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 12 results

Best time to book a flight from Fresno to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Fresno with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Fresno to St. Louis

How far ahead should I book a flight from Fresno to St. Louis?

To ensure you get the cheapest price possible for a flight from Fresno to St. Louis, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Fresno to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Fresno to St. Louis (average of $311). Flying from Fresno to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FAT to STL?

Unlike in the evening, when flights are generally more expensive, you can save up to 15% on flights from Fresno to St. Louis by exploring options for tickets in the afternoon.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Fresno to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,983 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Fresno to St. Louis round-trip?
Our cheapest airline available from Fresno to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $279 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $284 and $338 round-trip. Users have found that Delta is 34% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Fresno to St. Louis one-way?
The cheapest airlines for a one-way flight from Fresno to St. Louis are Delta ($140), Southwest ($175), and Alaska Airlines ($275).
Can I find deals for flights from Fresno to St. Louis that include hotel bookings?
Yes. In addition to deals on Fresno to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Fresno to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fresno to St. Louis.
Can I find deals for business class flights from Fresno to St. Louis?
Yes. Cheapflights offers flight deals from Fresno to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Fresno to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Fresno to St. Louis (average of $311). Flying from Fresno to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Fresno to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$278	Average$387	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$324	Average$436	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$326	Average$427	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$350	Average$465	FlexibilityNo cancel fee	On-time63%

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$140+ Cheap flights from Fresno to St. Louis (FAT - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Fresno to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Fresno Airterminal to Lambert-St Louis are usually found in February or July, booked 32 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from Fresno to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Fresno to St. Louis

Cheapest flights from Fresno to St. LouisExplore the most affordable flight options available from Fresno to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Fresno to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Fresno to St. Louis that are best for you.

Best time to book a flight from Fresno to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Fresno with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Fresno to St. Louis

How far ahead should I book a flight from Fresno to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Fresno to St. Louis. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Fresno to St. Louis?

What is the cheapest time of day to fly from FAT to STL?

Find hourly flight availability from Fresno to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Fresno to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Fresno to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Fresno to St. Louis round-trip?

What are the cheapest airlines to fly from Fresno to St. Louis one-way?

Can I find deals for flights from Fresno to St. Louis that include hotel bookings?

How can I find direct flights from Fresno to St. Louis?

Can I find deals for business class flights from Fresno to St. Louis?

What is the cheapest month to book a flight from Fresno to St. Louis?

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Alternative routes for Fresno to St. Louis

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Top 4 airlines flying from Fresno to St. Louis

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Cheapest flights from Fresno to St. Louis
Explore the most affordable flight options available from Fresno to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.