Cheap Flights from St. Louis (SUS) to Allentown (ABE)

Popular airlines from St. Louis, MO (SUS-Spirit of St. Louis) to Lehigh Valley Intl. Airport (ABE)

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Frequently asked questions

How much does a flight from Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE) cost?
Get a cheap one-way flight or cheap return flight from Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE) 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 Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE)?
The cheapest month to fly from SUS to ABE is , when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SUS to ABE. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE)?
You'll need to book a flight with a layover if you're traveling from Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SUS to ABE?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of 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 Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE)?
To touch down at Lehigh Valley Intl. Airport (ABE) without delays, opt for a flight that leaves from Spirit of St. Louis Airport (SUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE) last-minute?
Booking your ticket from SUS to ABE right before your trip is typically more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SUS to ABE flight and hotel package?
Booking a SUS to ABE flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of hotels and then add flights, activities 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 Spirit of St. Louis Airport (SUS) to Lehigh Valley Intl. Airport (ABE)?
In most cases, you can cancel or reschedule your SUS to ABE flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
Spirit of St. Louis
Destination airport
Lehigh Valley Intl.
Distance
819 mi

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St. Louis to Allentown Flights

The cheapest times to fly from St. Louis to Allentown

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

 

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

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

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 Allentown 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 St. Louis to Allentown 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 Allentown 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 Allentown Flights

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