Cheap Flights from Plattsburgh (PLB) to St. Louis (STL)

Popular airlines from Plattsburgh, NY (PLB-Clinton County) to St. Louis Lambert Intl. Airport (STL)

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Flights from Plattsburgh (PLB) to St. Louis (STL)
Origin airport
Clinton County
Destination airport
Lambert-St. Louis Intl.
Distance
958 mi

Plattsburgh to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Plattsburgh 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 Plattsburgh 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 Plattsburgh to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Plattsburgh 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 Plattsburgh 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 Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight or cheap return flight from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL)?
Flying in can help you save, as it's the cheapest month for flights between PLB and STL. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PLB to STL flight.
How many flights per day from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to take a flight with a layover if you're traveling from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PLB to STL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Later departures 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 Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book your flight from PLB to STL generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a PLB to STL flight and hotel package?
Securing a PLB to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick 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 Clinton County Airport (PLB) to Lambert-St. Louis Intl. Airport (STL)?
It's usually possible to reschedule or cancel your PLB to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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