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? 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 February.

Direct flights from Chicago to Allentown

Chicago to Allentown: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 5,824
Cheapest month to flyFebruary
Average flight time2 hrs, 5 mins
Most popular airlineUnited
Average flights per week196

Finding cheap flights from Chicago to Allentown: Frequently asked questions

The best price we found for a return flight from Chicago to Allentown is ج.م.‏ 9,802. 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.
2 hours and 5 minutes is the average flight time from Chicago to Allentown.
United, Qatar Airways and GoJet Airlines fly direct from Chicago to Allentown.
As of February 2026, there are 98 flights per week flying from Chicago to Allentown.
The cheapest month to fly from Chicago to Allentown is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Allentown Airport on Tuesday, 17 March 2026.
Yes – the average flight time is 2 hours and 5 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 .

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

  • Begin your trip planning by checking out the best departure point for your flight from Chicago to Lehigh Valley International Airport (ABE). Explore your options for setting off from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW), two of the city's main airports.

  • The average length of a direct Chicago to Lehigh Valley International Airport flight is 2 hours 5 minutes.

  • Lehigh Valley International Airport is located in Allentown. The city is in the UTC-4 timezone and is one hour ahead of Chicago.

  • The busiest route is from O'Hare International Airport (ORD) to Lehigh Valley International Airport (ABE), with 14 direct weekly services. If you're ready to head out sooner, the earliest flight from ORD to ABE is the 1:50pm United Airlines option. If you prefer travelling later, the last departure is at 6:35pm with United Airlines.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your flight from Chicago to ABE.

  • If you're jetting off during a major holiday or other peak period, give yourself extra time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

Airports in Chicago

O'Hare International Airport (ORD)

  • O'Hare International Airport (ORD) provides a hassle-free way to reach your destination. Nonstop flights from Chicago to Lehigh Valley International Airport (ABE) operate out of this terminal.

  • You can book a direct flight from Chicago to Lehigh Valley International Airport with United Airlines. This popular airline offers services from ORD.

  • The top choice among passengers flying between ORD and ABE is United Airlines.

  • United Airlines is the most punctual carrier operating on this route, with 75.83% of its services arriving on schedule.

  • The journey from central Chicago to ORD takes about 55 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your travels? Stay near O'Hare International Airport. Whether you're catching an early flight from Chicago to Lehigh Valley International Airport or prefer not to feel hurried, these hotels are the answer:

  • Of the departures from O'Hare International Airport, 74.85% land on time at their destination.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • With public transport, you can travel from central Chicago to MDW in around 45 minutes. The airport is roughly 19 kilometres away, and making the journey by car will take approximately 20 minutes.

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

  • 77.88% of flights out of Chicago Midway International Airport arrive according to schedule.

  • You'll find MDW at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The trip to RFD from central Chicago is around 4 hours 15 minutes by public transport. If you're going by car, it'll take you about 1 hour 25 minutes to cover the 137 kilometres or so.

  • Make catching an early Chicago to Lehigh Valley International Airport flight one of the easiest parts of your trip. Book a room at one of these hotels near Chicago Rockford International Airport and get to the check-in counter with time to spare:

  • Flights departing from RFD touch down at their destination within the expected time frame 76.19% of the time.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Lehigh Valley International Airport (ABE)

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

  • Lehigh Valley International Airport to the centre of Allentown is roughly 6 kilometres. If you're taking a cab or renting a car, do a little research to make your trip as easy as possible. Journey times will vary based on the time of day and traffic conditions.

  • It takes roughly 30 minutes if you're travelling by public transport.

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 ج.م.‏ 5,824. For a return flight on this route, the best price is ج.م.‏ 9,802. Depending on when and how early you book, these fares can change.

  • Booking ahead of time is often the key to scoring a cheap flight from Chicago to ABE. Flight prices rise as demand increases, so the closer you get to departure, the more it could cost you.

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

  • Spend less time searching for cheap flight tickets from Chicago to ABE by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Find the best deal on a flight from Chicago to Lehigh Valley International Airport with the help of the filters. Choose your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

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

  • It's time to figure out when to book your flight from Chicago to Lehigh Valley International Airport (ABE). July is the most popular month to visit Allentown. If you like your getaways a little more chill, go in April.

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

  • If you like cooler conditions, search for a cheap ticket from Chicago to Lehigh Valley International Airport in January when temperatures are between -9ºC and 7ºC.

More about Allentown

Explore more of the United States

  • Allentown is always a good idea, but there are so many other parts of the United States just waiting to be explored. About 121 kilometres east of Allentown, a visit to New York will keep you busy. Start with attractions like Central Park, Manhattan Skyline and Statue of Liberty.

  • If there's time to check out another major destination in the United States, head for Baltimore, roughly 177 kilometres south-west of Allentown. Baltimore Aquarium, National Aquarium and Washington Monument and Mount Vernon Place are key reasons to visit.

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