Cheap Flights from Philadelphia to Allentown

Compare Philadelphia to Allentown flight deals

Find the cheapest month or even day of the year to fly to Allentown

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Flight deals from Philadelphia to Allentown Airport

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Allentown Airport? If you want to travel next month, return fares start from Rs125,583. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia to Allentown

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Allentown flights are currently cheapest in August.

Philadelphia to Allentown: Flight information

The things to know before you go.
Cheapest flight foundRs53,094
Cheapest month to flyAugust

Finding cheap flights from Philadelphia to Allentown: Frequently asked questions

The best price we found for a return flight from Philadelphia to Allentown is Rs125,583. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia to Allentown. But we found flights with one stop from Rs125,583.
As of March 2026, there are no flights flying from Philadelphia to Allentown.
The cheapest month to fly from Philadelphia to Allentown is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Allentown Airport on Saturday, 11 April 2026.
No airlines currently offer direct flights between Philadelphia and Allentown Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Allentown but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Allentown is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Allentown is Spirit Airlines .

Travelling from Philadelphia to Lehigh Valley International Airport (ABE): What you need to know

  • Your next great adventure starts at one of Philadelphia's main airports, Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN). Explore your options for booking a flight from Philadelphia to Lehigh Valley International Airport (ABE) setting off from either of these bases.

  • Allentown's timezone is UTC-4, which is the same as Philadelphia. Lehigh Valley International Airport is located in Allentown.

  • Your flight from Philadelphia to ABE won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Delays at security and check-in are likely if you're travelling during high season, so give yourself a little extra breathing room. The recommendation for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • PHL is around 19 kilometres from central Philadelphia. If you're driving, ride-sharing or catching a cab from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 45 minutes.

  • Searching for a comfortable hotel near Philadelphia International Airport? If you've booked an early flight from Philadelphia to Lehigh Valley International Airport, these accommodation options will have you sleeping just around the corner from the terminal:

  • When it comes to Philadelphia International Airport's on-time performance, 78.93% of flights stick to their scheduled arrival time.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • TTN is around 56 kilometres from central Philadelphia. It'll take you 40 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 1 hour 45 minutes.

  • Flying out early in the morning? Think about staying at one of these hotels near Trenton-Mercer Airport the day before your Philadelphia to ABE flight:

  • The majority of flights that leave Trenton-Mercer Airport reach their destination as expected. It achieves a consistent on-time performance rate of 82.45%.

  • The address for TTN is Scotch Road, Terminal Building.

About Lehigh Valley International Airport (ABE)

Getting from Lehigh Valley International Airport (ABE) to central Allentown

  • Central Allentown is roughly 6 kilometres from Lehigh Valley International Airport. Travel times by cab or car hire will vary based on time of day and traffic conditions, so do some research before you go.

  • If you're taking public transport, expect a journey of roughly 30 minutes.

How to find the cheapest flights from Philadelphia to Lehigh Valley International Airport (ABE)

  • The cheapest price we've found for a one-way ticket from Philadelphia to Lehigh Valley International Airport is Rs53,094. For a return flight on this route, the best price is Rs125,583. Depending on how early you book and the availability, these fares could change.

  • To find cheap flights from Philadelphia to ABE, book early. Airlines typically offer their most competitively priced fares when flights first go on sale.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your Philadelphia to Lehigh Valley International Airport ticket.

  • Finding a cheap flight ticket from Philadelphia to ABE couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as prices go down.

  • Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Philadelphia to Lehigh Valley International Airport.

The best time to fly from Philadelphia to Lehigh Valley International Airport (ABE)

  • April is the quietest month for flights from Philadelphia to Lehigh Valley International Airport (ABE), while July is the busiest. Find the best time to visit Allentown based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Book a Philadelphia to ABE flight ticket departing in July if you want to visit the city during its warmest month. Expect temperatures in Allentown to range from 15ºC to 30ºC.

  • Search for cheap tickets from Philadelphia to Lehigh Valley International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC and 7ºC.

More about Allentown

Explore more of the United States

  • New York is just one of the many cities in the United States waiting to be discovered once you've seen Allentown. Around 121 kilometres away to the east, well-known attractions include Central Park, Manhattan Skyline and Statue of Liberty.

  • Baltimore is another essential stop in the United States and is around 177 kilometres south-west of Allentown. No trip is complete without experiencing Baltimore Aquarium, National Aquarium and Washington Monument and Mount Vernon Place.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.