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$185 Cheap Flights from Fresno (FAT) to St. Louis (STL)

View $185 flight on Sat, Oct 31, 2026Opens in a new window

Popular airlines from Fresno Yosemite Intl. Airport (FAT) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Fresno to St. Louis (FAT-STL)

Prices were available within the past 7 days and start at $185 for one-way flights and $437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 3 - Fri, Dec 4
FAT
Fresno
STL
St. Louis
$437 Roundtrip, found 22 hours ago
$437
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Dec 3 from Fresno to St. Louis, returning Fri, Dec 4, priced at $437 found 22 hours ago
American Airlines
Tue, Nov 10 - Tue, Jan 5
FAT
Fresno
STL
St. Louis
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Fresno to St. Louis, returning Tue, Jan 5, priced at $440 found 1 day ago
Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
FAT
Fresno
STL
St. Louis
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 17 from Fresno to St. Louis, returning Tue, Oct 20, priced at $440 found 1 day ago
Southwest Airlines
Tue, Nov 3 - Fri, Nov 6
FAT
Fresno
STL
St. Louis
$441 Roundtrip, found 1 day ago
$441
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Fresno to St. Louis, returning Fri, Nov 6, priced at $441 found 1 day ago
Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
FAT
Fresno
STL
St. Louis
$443 Roundtrip, found 1 day ago
$443
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 17 from Fresno to St. Louis, returning Tue, Oct 20, priced at $443 found 1 day ago
Southwest Airlines
Tue, Nov 17 - Thu, Nov 19
FAT
Fresno
STL
St. Louis
$446 Roundtrip, found 1 day ago
$446
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Nov 17 from Fresno to St. Louis, returning Thu, Nov 19, priced at $446 found 1 day ago
American Airlines
Wed, Oct 7 - Wed, Oct 14
FAT
Fresno
STL
St. Louis
$447 Roundtrip, found 1 day ago
$447
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 7 from Fresno to St. Louis, returning Wed, Oct 14, priced at $447 found 1 day ago
Alaska Airlines
Sat, Oct 3 - Mon, Oct 5
FAT
Fresno
STL
St. Louis
$450 Roundtrip, found 1 day ago
$450
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 3 from Fresno to St. Louis, returning Mon, Oct 5, priced at $450 found 1 day ago
Delta
Tue, Nov 10 - Wed, Nov 11
FAT
Fresno
STL
St. Louis
$457 Roundtrip, found 1 day ago
$457
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 10 from Fresno to St. Louis, returning Wed, Nov 11, priced at $457 found 1 day ago
United
Tue, Oct 6 - Tue, Oct 20
FAT
Fresno
STL
St. Louis
$457 Roundtrip, just found
$457
Roundtrip
just found
Select United flight, departing Tue, Oct 6 from Fresno to St. Louis, returning Tue, Oct 20, priced at $457 just found

What you need to know for your flight from Fresno Yosemite Intl. to Lambert-St. Louis Intl.

Fresno (FAT) to St. Louis (STL) at a glance

Travel between Fresno (FAT) and St. Louis (STL) with a selection of airlines on this domestic short-haul route. You can choose from both full-service and low-cost carriers to find the itinerary that aligns with your budget, schedule, and travel needs as you discover St. Louis's renowned attractions and neighborhoods. Get all the essential information for flights departing from Fresno Yosemite International Airport (FAT) to Lambert-St. Louis International Airport (STL).

  • Fastest (typical) flight duration: around 4h 30m in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $150–$535, depending on seasonality and how far ahead you book

Flights from Fresno Yosemite International Airport (FAT) to Lambert-St. Louis International Airport (STL)

According to recent traveler bookings, here are the top airlines favored for flights from Fresno to St. Louis, primarily offering one-stop services. Common layover points include Denver International Airport (DEN) with about a 1-hour layover, Dallas-Fort Worth International Airport (DFW) featuring approximately a 1 hour and 45 minutes layover, and Salt Lake City International Airport (SLC) with a roughly 55-minute layover. This variety allows you to mix and match options based on price, total travel time, and cabin class to create your ideal itinerary.

  • American Airlines: This full-service airline provides one-stop travel options, with one-way ticket prices generally between $150 and $515. It represents about 31% of departures on this route, featuring an in-flight duration of 4 hours and 30 minutes, and a total travel time of approximately 5 hours and 45 minutes, including the layover.
  • United: Offering one-stop service, this full-service carrier has one-way fares that typically fall in the range of $165 to $690. United accounts for around 25% of departures on this route, with a flying time of 4 hours and 30 minutes, leading to a total journey duration of about 5 hours and 45 minutes, including a layover.
  • Delta: A full-service airline, Delta provides one-stop service with one-way fares usually ranging from $150 to $630. It makes up approximately 23% of the departures along this route, featuring an in-flight time of 4 hours and 30 minutes, and a total travel time of roughly 5 hours and 45 minutes, including the layover.
  • Southwest Airlines: A budget-friendly option, this low-cost carrier offers one-stop service, with one-way prices typically between $155 and $535. Southwest accounts for about 21% of departures on this route, providing an in-flight duration of 4 hours and 30 minutes, and a total journey time of around 5 hours and 45 minutes, including a layover.

Best time to fly from Fresno (FAT) to St. Louis (STL)

The most popular months for travelers flying from Fresno to St. Louis are March, April, and June, when peak temperatures in St. Louis reach up to 76.1°F in June. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 46.2°F. For better deals, August usually offers the lowest average one-way fare around $243. Flight availability peaks in April, May, and July, with approximately 13 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $243, roughly 18% cheaper than the yearly average.
  • More budget-friendly months to fly: March and May typically offer average one-way fares of around $258.
  • Most flight options: April, May, and July have the highest number of flights from Fresno to St. Louis, with approximately 13 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Average7$360
February34.9°F (1.6°C)Low8$361
March46.4°F (8.0°C)High9$254
April56.1°F (13.4°C)High13$314
May66.6°F (19.2°C)Average13$263
June76.1°F (24.5°C)High12$325
July78.6°F (25.9°C)Average13$285
August77.0°F (25.0°C)Average12$243
September70.9°F (21.6°C)Average10$284
October58.6°F (14.8°C)Average10$319
November46.2°F (7.9°C)Low8$284
December37.8°F (3.2°C)Low10$289

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Fresno (FAT) to St. Louis (STL)

  • Fresno to St. Louis (FAT-SUS): Spirit of St. Louis Airport (SUS) lies approximately 16 miles from Lambert-St. Louis International Airport (STL), making it a convenient option for travelers.
  • Visalia to St. Louis (VIS-STL): Visalia Municipal Airport (VIS) is located about 35 miles from Fresno Yosemite International Airport (FAT), providing a reasonable distance for connections.
  • Mammoth Lakes to St. Louis (MMH-STL): Mammoth Yosemite Airport (MMH) is around 76 miles from Fresno Yosemite International Airport (FAT), offering a scenic route for passengers.

How to find the best prices for flights from Fresno (FAT) to St. Louis (STL)

Getting some of the best deals on flights from Fresno to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which is when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Tuesday typically provides cheaper rates, although Thursday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Fresno Yosemite International Airport

St. Louis welcomes travelers from Fresno with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located about 0.1 miles away on foot, providing easy access to public transportation.

Frequently asked questions

How much does a flight from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $185 and cheap return flights from $437 Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights generally range between $219 and $1124, and roundtrip flights usually range from $424 to $1330. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
August is the cheapest month to fly from Fresno, CA (FAT) to St. Louis, MO (STL), with average return fares around $393. This is about 17% lower than the average price throughout the year, as August is often a quieter travel month. Other economical months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter FAT to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Fresno Yosemite Intl. (FAT) to Lambert-St. Louis Intl. (STL), with round-trip tickets starting from around $258 with a layover in Harry Reid Intl. (LAS). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best times to fly from Fresno (FAT) to St. Louis (STL) are August and September, with average return flight prices around $393. These months provide a good balance of affordability and enjoyable weather, making them great for your travel plans.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Fresno Yosemite International Airport (FAT) to Lambert-St. Louis International Airport (STL) typically departs at around 12:55 AM, operated by American Airlines. This seasonal service is active in April, allowing you to maximize your time in St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Fresno (FAT) to St. Louis (STL) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including American Airlines and Delta, offer flights during this window. This timing works well because it allows you to start your day early and arrive in St. Louis with ample time to enjoy your plans.
How long does it take to fly from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flying from FAT to STL with a connection usually takes about 5 hours 50 minutes, traveling roughly 1,603 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
First class seats are offered on the FAT to STL route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Fresno Yosemite Intl. (FAT)?
From Fresno Yosemite Intl. (FAT), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like Harry Reid Intl. (LAS), San Diego Intl. (SAN), Denver Intl. (DEN) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Fresno, CA (FAT-Fresno Yosemite Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Fresno Yosemite Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$435
Distance
1602 mi

Book with confidence

Fresno to St. Louis Flights

The cheapest times to fly from Fresno to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Fresno to St. Louis are during the month of December. You can find some of the cheapest flights from Fresno to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Fresno to St. Louis

Sunday is one of the best days to book for cheap flights from Fresno to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Fresno to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Fresno to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $185 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Fresno to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Fresno to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Fresno to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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