Cheap flights from Chicago to Allentown

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Flight deals from Chicago to Allentown

Looking for a cheap last-minute deal or the best return flight from Chicago to Allentown Airport? If you want to travel next month, return fares start from P16,499. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Allentown

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

Direct flights from Chicago to Allentown

Chicago to Allentown: Flight information

The things to know before you go.
Cheapest flight foundP7,848
Cheapest month to flyJuly
Average flight time2 hrs, 10 mins
Most popular airlineUnited
Average flights per week123

Finding cheap flights from Chicago to Allentown: Frequently asked questions

2 hours and 10 minutes is the average flight time from Chicago to Allentown.
United, Qatar Airways and Envoy Air fly direct from Chicago to Allentown.
As of June 2026, there are 123 flights per week flying from Chicago to Allentown.
The cheapest month to fly from Chicago to Allentown is usually August.
Yes – the average flight time is 2 hours and 10 minutes.
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 United .

Flying from Chicago to Lehigh Valley International Airport (ABE): What you need to know

  • Your route to adventure begins at Chicago's main airport, Chicago O'Hare International Airport (ORD). Check out the options for reserving a flight from Chicago to Lehigh Valley International Airport (ABE) leaving from this terminal.

  • Book a direct Chicago to Lehigh Valley International Airport flight and you'll be travelling for an average of 2 hours 5 minutes.

  • Allentown is one hour ahead of Chicago. Lehigh Valley International Airport is located in Allentown, which operates on the UTC-5 timezone.

  • With 21 direct flights a week between the two airports, Chicago O'Hare International Airport (ORD) to Lehigh Valley International Airport (ABE) is the most popular route. United Airlines operates the earliest flight at 1:50pm. If you'd like to make the most of your day before taking off, the latest flight from ORD to ABE is with United Airlines at 6:35pm.

  • Give yourself plenty of time to make your flight from Chicago to ABE. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're flying during a peak month like July, arrive at the terminal even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. Check-in and security lines are longer during holiday periods like Christmas and New Year.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • You can take a direct flight from Chicago to Lehigh Valley International Airport (ABE) departing from Chicago O'Hare International Airport (ORD).

  • United Airlines is a leading airline that operates direct flights from Chicago to Lehigh Valley International Airport leaving from ORD.

  • Most travellers choose to book seats with United between ORD and ABE.

  • United is the top performer for punctuality on this route.

  • Travelling from central Chicago to ORD takes about 45 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 27 kilometers in 30 minutes or so, depending on traffic.

  • Want a relaxed start to your travels? Stay near Chicago O'Hare International Airport. Whether you're boarding an early flight from Chicago to Lehigh Valley International Airport or aren't a fan of being rushed, these hotels are just the thing:

  • Of all flights leaving Chicago O'Hare International Airport, 70% touch down on time at their destination.

  • You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can get to MDW from the centre of Chicago in approximately 25 minutes by car (depending on traffic conditions). The journey by public transport takes roughly 30 minutes to travel the 16 kilometers or so.

  • Get your holiday started early with an additional night away from home. Before catching your Chicago to ABE flight, kick back in one of these hotels close to Chicago Midway International Airport:

  • 76% of flights leaving Chicago Midway International Airport meet their expected arrival time.

  • The address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The journey time to RFD from the centre of Chicago is around 2 hours by public transport. If you're going by car, it'll take you about 1 hour 40 minutes to cover the 145 kilometers or so.

  • Make departure day worry-free — stay near Chicago Rockford International Airport and know you'll make it to the terminal with time to spare. Settle in at one of these hotels the day before if you're catching an early Chicago to Lehigh Valley International Airport flight:

  • Airports have an on-time performance rating that tracks how often flights land within the expected time frame. At RFD, that rate is 71%.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

About Lehigh Valley International Airport (ABE)

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

  • From Lehigh Valley International Airport, central Allentown is around 13 kilometers away. It takes about 20 minutes to get to the city centre by car.

  • Travelling by public transport takes roughly 45 minutes.

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

  • The lowest price we've found for a one-way ticket from Chicago to Lehigh Valley International Airport is P7,848. For a return flight on this route, the best price is P16,321. Depending on the availability and when you book, these fares could change.

  • Don't leave everything to the last minute. You're more likely to walk away with cheap flights from Chicago to ABE if you book in advance. Airlines often have some amazing early bird discounts.

  • The 'Whole month' tool shows you the cheapest Chicago to Lehigh Valley International Airport tickets across each month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.

  • There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from Chicago to ABE.

  • Find a cheap flight from Chicago to Lehigh Valley International Airport by using filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • It's time to work out your travel dates for your flight from Chicago to Lehigh Valley International Airport (ABE). July is when most people travel to Allentown. If you prefer a quieter vibe, go in September.

  • Lock in a Chicago to ABE plane ticket departing in July if you want to visit the city during its warmest month. Expect temperatures in Allentown to range from 15ºC (59ºF) to 30ºC (86ºF).

  • January has temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Look for cheap tickets from Chicago to Lehigh Valley International Airport around that time if you like cooler conditions.

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 the sights of Allentown. Around 121 kilometers away to the east, well-known attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Baltimore is another essential stop in the United States and is around 177 kilometers southwest of Allentown. No trip is complete without visiting National Aquarium, Baltimore Aquarium and Washington Monument and Mount Vernon Place.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.