$289 Cheap Flights from St. Louis (STL) to Lancaster (LNS)

View $289 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Lancaster, PA (LNS)

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Cheap Flights from St. Louis to Lancaster (STL-LNS)

Prices were available within the past 7 days and start at $289 for one-way flights and $351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $351 found 2 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$385 Roundtrip, found 2 days ago
$385
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $385 found 2 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$393 Roundtrip, found 2 days ago
$393
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $393 found 2 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$400 Roundtrip, found 2 days ago
$400
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $400 found 2 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$407 Roundtrip, found 2 days ago
$407
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $407 found 2 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $416 found 2 days ago
United
Sat, Nov 15 - Wed, Jan 7
STL
St. Louis
LNS
Lancaster
$420 Roundtrip, found 5 days ago
$420
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 15 from St. Louis to Lancaster, returning Wed, Jan 7, priced at $420 found 5 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$423 Roundtrip, found 7 hours ago
$423
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $423 found 7 hours ago
United
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$425 Roundtrip, found 5 days ago
$425
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $425 found 5 days ago
American Airlines
Tue, Nov 18 - Tue, Jan 6
STL
St. Louis
LNS
Lancaster
$427 Roundtrip, found 7 hours ago
$427
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Lancaster, returning Tue, Jan 6, priced at $427 found 7 hours ago

Alternative airports near Lancaster

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

Select flight to Harrisburg Intl. MDT. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $254
MDT
Harrisburg Intl.
Cheapest
Average driving time to city center38 min
Flights from $254

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS) cost?
Lock in a cheap one-way flight from $289 or cheap return flight from $351 from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS) 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 Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS)?
The cheapest month to fly from STL to LNS is November, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from STL to LNS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to LNS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS) 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 Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS) last-minute?
Last-minute bookings from STL to LNS are generally more expensive. For the lowest rates, start looking for flights well ahead of time. That being said, if your travel plans are flexible, you may find a cheap ticket just before your departure.
Is it cheaper to book a STL to LNS flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to LNS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Lancaster Airport (LNS)?
If you booked your STL to LNS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Lancaster
Roundtrip price
$351
Distance
755 mi

Book with confidence

Book with confidence

St. Louis to Lancaster Flights

The cheapest times to fly from St. Louis to Lancaster

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

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Lancaster: 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 St. Louis to Lancaster

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 St. Louis to Lancaster in 2025. You can also book with separate airlines for your outbound and return journeys, from $289 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 St. Louis to Lancaster 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 St. Louis to Lancaster 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.

 

St. Louis to Lancaster Flights

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Explore a world of travel with Expedia

*Available to One Key members.