Cheap flights from Pittsburgh International to Allentown

Compare Pittsburgh International 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 Pittsburgh International to Allentown

Looking for a cheap last-minute deal or the best round-trip flight from Pittsburgh International Airport to Allentown Airport? If you want to travel next month, round-trip fares start from $304. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Pittsburgh International to Allentown

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

Pittsburgh to Allentown: Flight information

The things to know before you go.
Cheapest flight found$101
Cheapest month to flyMay

Finding cheap flights from Pittsburgh International to Allentown: Frequently asked questions

The best price we found for a round-trip flight from Pittsburgh International to Allentown is $304. 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 Pittsburgh International to Allentown. But we found flights with one or more stops from $304.
There are no flights flying from Pittsburgh International to Allentown, as of April 2026.
The cheapest month to fly from Pittsburgh International to Allentown is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to Allentown Airport on Friday, May 22, 2026.
No airlines currently offer direct flights between Pittsburgh International Airport 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Allentown.

Traveling from Pittsburgh International Airport (PIT) to Lehigh Valley International Airport (ABE): what you need to know

  • Leave plenty of time to catch your PIT to ABE flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

  • Consider adding a stopover when booking your ticket from Pittsburgh International Airport to Lehigh Valley International Airport. Simply deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between PIT and ABE:

    • Charlotte Douglas International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Myrtle Beach International Airport

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

  • Currently, $101 is the lowest price we've seen for a one-way Pittsburgh International Airport to Lehigh Valley International Airport flight. The best price for a return plane ticket is $304. Remember that fares may change due to demand when booking.

  • It's usually smart to book ahead of time if you're looking for cheap tickets from PIT to ABE. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the cheapest price in each month when looking for your flight from Pittsburgh International Airport to Lehigh Valley International Airport.

  • Spend less time searching for cheap flights from PIT to ABE by creating a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

  • Discover the right flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Pittsburgh International Airport to Lehigh Valley International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Pittsburgh International Airport (PIT)

  • The address for PIT is 1000 Airport Boulevard.

  • 76.88% of flights departing from Pittsburgh International Airport touch down at their destination on time.

  • Pittsburgh International Airport is about 27 kilometers from central Pittsburgh. If you're catching a cab, ride-sharing or driving from the center, it'll take 25 minutes or so to get there, depending on the traffic.

  • Booked an early flight from Pittsburgh International Airport to Lehigh Valley International Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels close to PIT:

Arriving at Lehigh Valley International Airport (ABE)

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

  • ABE is located at 3311 Airport Road.

  • Lehigh Valley International Airport is roughly 8 kilometers from central Allentown. The drive time takes around 10 minutes.

  • It typically takes 30 minutes if you're traveling on public transport.

When to fly to Lehigh Valley International Airport (ABE)

  • July is the most popular month for flights from Pittsburgh International Airport to Lehigh Valley International Airport. For smaller crowds, travel to Allentown in April.

  • Book your flight from Pittsburgh International Airport to Lehigh Valley International Airport for July if you'd like to visit Allentown during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 30ºC (86ºF).

  • Look for cheap tickets from PIT to ABE in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • Allentown is easy to fall in love with, but there are so many other parts of United States waiting to be explored. Around 121 kilometers east of Allentown, a visit to New York will fill your itinerary to the brim. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop in United States and is around 80 kilometers south of Allentown. No trip is complete without visiting Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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