$446 Cheap Flights from Johnstown (JST) to St. Louis (STL)

Popular airlines from Johnstown, PA (JST-John Murtha Johnstown - Cambria County) to St. Louis Lambert Intl. Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Johnstown to St. Louis (JST-STL)

Prices were available within the past 7 days and start at $446 for one-way flights and $353 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
United
United
United
United
United
United
United
United
United
United
United
United
United
United
Flights from Johnstown (JST) to St. Louis (STL)
Origin airport
John Murtha Johnstown - Cambria County
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$353
Distance
623 mi

Johnstown to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Johnstown 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 Johnstown 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 Johnstown to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $446 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 Johnstown 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 Johnstown 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.

 

Frequently asked questions

How much does a flight from John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from JST to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from JST to STL?
The cheapest flights from JST to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from JST to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from JST to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily nonstop flights from John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from JST to STL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from JST to STL are usually more expensive. For the best prices, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a JST to STL flight and hotel package?
Securing a JST to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from John Murtha Johnstown - Cambria County Airport (JST) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you're able to reschedule or cancel your JST to STL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.