$212 Cheap Flights from Plattsburgh (PBG) to St. Louis (STL)

View $212 flight on Mon, Aug 4, 2025Opens in a new window

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

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Cheap Flights from Plattsburgh to St. Louis (PBG-STL)

Prices were available within the past 7 days and start at $212 for one-way flights and $347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Contour Airlines
Wed, Aug 13 - Mon, Aug 18
PBG
Plattsburgh
STL
St. Louis
$347 Roundtrip, found 4 days ago
$347
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Wed, Aug 13 from Plattsburgh to St. Louis, returning Mon, Aug 18, priced at $347 found 4 days ago
Contour Airlines
Fri, Aug 15 - Mon, Aug 18
PBG
Plattsburgh
STL
St. Louis
$367 Roundtrip, found 4 days ago
$367
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Fri, Aug 15 from Plattsburgh to St. Louis, returning Mon, Aug 18, priced at $367 found 4 days ago
Contour Airlines
Wed, Aug 13 - Thu, Aug 14
PBG
Plattsburgh
STL
St. Louis
$387 Roundtrip, found 4 days ago
$387
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Wed, Aug 13 from Plattsburgh to St. Louis, returning Thu, Aug 14, priced at $387 found 4 days ago
Contour Airlines
Tue, Aug 12 - Wed, Aug 13
PBG
Plattsburgh
STL
St. Louis
$402 Roundtrip, found 4 days ago
$402
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Tue, Aug 12 from Plattsburgh to St. Louis, returning Wed, Aug 13, priced at $402 found 4 days ago
Contour Airlines
Tue, Aug 12 - Thu, Aug 14
PBG
Plattsburgh
STL
St. Louis
$427 Roundtrip, found 4 days ago
$427
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Tue, Aug 12 from Plattsburgh to St. Louis, returning Thu, Aug 14, priced at $427 found 4 days ago
Contour Airlines
Tue, Aug 12 - Fri, Aug 15
PBG
Plattsburgh
STL
St. Louis
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Tue, Aug 12 from Plattsburgh to St. Louis, returning Fri, Aug 15, priced at $455 found 4 days ago
Contour Airlines
Thu, Aug 14 - Sun, Aug 17
PBG
Plattsburgh
STL
St. Louis
$463 Roundtrip, found 4 days ago
$463
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Thu, Aug 14 from Plattsburgh to St. Louis, returning Sun, Aug 17, priced at $463 found 4 days ago
Contour Airlines
Wed, Aug 13 - Sun, Aug 17
PBG
Plattsburgh
STL
St. Louis
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Wed, Aug 13 from Plattsburgh to St. Louis, returning Sun, Aug 17, priced at $475 found 4 days ago
Contour Airlines
Tue, Aug 12 - Fri, Aug 15
PBG
Plattsburgh
STL
St. Louis
$494 Roundtrip, found 4 days ago
$494
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Tue, Aug 12 from Plattsburgh to St. Louis, returning Fri, Aug 15, priced at $494 found 4 days ago
Contour Airlines
Tue, Aug 12 - Fri, Aug 15
PBG
Plattsburgh
STL
St. Louis
$494 Roundtrip, found 4 days ago
$494
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Tue, Aug 12 from Plattsburgh to St. Louis, returning Fri, Aug 15, priced at $494 found 4 days ago
Flights from Plattsburgh (PBG) to St. Louis (STL)
Origin airport
Plattsburgh Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$347
Distance
960 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 August. 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 $212 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 Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from PBG 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 PBG to STL?
The cheapest flights from PBG 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 PBG to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PBG to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from PBG to STL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change 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 Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be 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 Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from PBG to STL right before your journey is typically more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a PBG to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a PBG to STL flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Plattsburgh Intl. Airport (PBG) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your PBG to STL flight in 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 that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.