$265 Cheap Flights from Provo (PVU) to St. Louis (STL)

View $265 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Provo, UT (PVU) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Provo to St. Louis (PVU-STL)

Prices were available within the past 7 days and start at $265 for one-way flights and $401 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 8 - Sat, Nov 15
PVU
Provo
STL
St. Louis
$401 Roundtrip, found 22 hours ago
$401
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Provo to St. Louis, returning Sat, Nov 15, priced at $401 found 22 hours ago
American Airlines
Wed, Nov 12 - Tue, Nov 18
PVU
Provo
STL
St. Louis
$411 Roundtrip, found 5 days ago
$411
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 12 from Provo to St. Louis, returning Tue, Nov 18, priced at $411 found 5 days ago
American Airlines
Fri, Nov 7 - Mon, Nov 10
PVU
Provo
STL
St. Louis
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 7 from Provo to St. Louis, returning Mon, Nov 10, priced at $429 found 1 day ago
American Airlines
Fri, Nov 7 - Sun, Nov 9
PVU
Provo
STL
St. Louis
$446 Roundtrip, found 6 days ago
$446
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Nov 7 from Provo to St. Louis, returning Sun, Nov 9, priced at $446 found 6 days ago
American Airlines
Wed, Nov 12 - Tue, Nov 18
PVU
Provo
STL
St. Louis
$449 Roundtrip, found 5 days ago
$449
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 12 from Provo to St. Louis, returning Tue, Nov 18, priced at $449 found 5 days ago
American Airlines
Wed, Nov 12 - Tue, Nov 18
PVU
Provo
STL
St. Louis
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 12 from Provo to St. Louis, returning Tue, Nov 18, priced at $457 found 5 days ago
American Airlines
Wed, Oct 29 - Tue, Nov 4
PVU
Provo
STL
St. Louis
$459 Roundtrip, found 5 days ago
$459
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 29 from Provo to St. Louis, returning Tue, Nov 4, priced at $459 found 5 days ago
American Airlines
Sat, Dec 13 - Tue, Jan 6
PVU
Provo
STL
St. Louis
$461 Roundtrip, found 9 hours ago
$461
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Dec 13 from Provo to St. Louis, returning Tue, Jan 6, priced at $461 found 9 hours ago
American Airlines
Fri, Nov 7 - Sun, Nov 9
PVU
Provo
STL
St. Louis
$463 Roundtrip, found 6 days ago
$463
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Nov 7 from Provo to St. Louis, returning Sun, Nov 9, priced at $463 found 6 days ago
American Airlines
Sat, Dec 13 - Wed, Dec 31
PVU
Provo
STL
St. Louis
$466 Roundtrip, found 1 day ago
$466
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Provo to St. Louis, returning Wed, Dec 31, priced at $466 found 1 day ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $525
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $525

Frequently asked questions

How much does a flight from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $265 or cheap return flight from $401 from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
November is the least expensive month to fly from PVU to STL. Traveling during quieter months is often the key to finding better fares.
Which airlines fly direct from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
Although Provo, UT (PVU) doesn't have any direct flights to Lambert-St. Louis Intl. Airport (STL), other airports have nonstop options. Jetting off from Salt Lake City Intl. Airport (SLC) will get you to St. Louis without any layovers.
What is the cheapest airline that flies from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from PVU to STL, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from PVU to STL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from PVU to STL are typically more expensive. To lock in the cheapest rates, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a PVU to STL flight and hotel package?
Opting for a PVU to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of hotels and then add activities, flights 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 Provo, UT (PVU) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your PVU to STL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Provo
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines
Roundtrip price
$400
Distance
1140 mi

Book with confidence

Book with confidence

Provo to St. Louis Flights

The cheapest times to fly from Provo 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 Provo to St. Louis are during the month of November. You can find some of the cheapest flights from Provo to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Provo 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 Provo 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 Provo to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 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 Provo 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 Provo 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.

 

Provo to St. Louis Flights

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