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Cheap Flights from Chicago O'Hare International to Allentown

Compare Chicago O'Hare 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 Chicago O'Hare International to Allentown

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Allentown Airport? If you want to travel next month, return fares start from Rs95,546. Find the lowest prices on one-way and return tickets right here.
Allentown.Rs32,035 per passenger.Departing Thu, 6 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 6 Aug, arriving in Allentown.Price includes taxes and charges.From Rs32,035, select.
Allentown.Rs51,169 per passenger.Departing Fri, 12 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Fri, 12 Jun, arriving in Allentown.Price includes taxes and charges.From Rs51,169, select.
Allentown.Rs54,971 per passenger.Departing Wed, 30 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 30 Sep, arriving in Allentown.Price includes taxes and charges.From Rs54,971, select.
Allentown.Rs58,504 per passenger.Departing Sun, 12 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sun, 12 Jul, arriving in Allentown.Price includes taxes and charges.From Rs58,504, select.
Allentown.Rs65,431 per passenger.Departing Thu, 21 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 21 May, arriving in Allentown.Price includes taxes and charges.From Rs65,431, select.
Allentown.Rs69,651 per passenger.Departing Wed, 30 Sep.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 30 Sep, arriving in Allentown.Price includes taxes and charges.From Rs69,651, select.
Allentown.Rs69,709 per passenger.Departing Fri, 10 Jul.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Fri, 10 Jul, arriving in Allentown.Price includes taxes and charges.From Rs69,709, select.
Allentown.Rs70,091 per passenger.Departing Fri, 5 Jun.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Fri, 5 Jun, arriving in Allentown.Price includes taxes and charges.From Rs70,091, select.
Allentown.Rs70,256 per passenger.Departing Mon, 5 Oct.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 5 Oct, arriving in Allentown.Price includes taxes and charges.From Rs70,256, select.
Allentown.Rs70,597 per passenger.Departing Thu, 6 Aug.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 6 Aug, arriving in Allentown.Price includes taxes and charges.From Rs70,597, select.
Allentown.Rs101,550 per passenger.Departing Tue, 19 May.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 19 May, arriving in Allentown.Price includes taxes and charges.From Rs101,550, select.

Find the cheapest month to fly from Chicago O'Hare International to Allentown

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Allentown flights are currently cheapest in August.
May
from Rs65,431
Jun
from Rs51,169
Jul
from Rs58,504
Aug
from Rs32,035
Sep
from Rs54,971
Oct
from Rs70,256
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Direct flights from Chicago O'Hare International to Allentown

Chicago O'Hare International to Allentown: Alternative routes

Compare routes from Chicago O'Hare International to Allentown below. You may find an airport to fly into that's cheaper, faster, or easier than Allentown.

Allentown

7km from central Allentown
Closest
from Rs32,035
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Blue Bell

56km from central Allentown
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Philadelphia Trenton-Mercer

68km from central Allentown
from Rs27,706
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Wilkes-Barre International

84km from central Allentown
from Rs56,425
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Philadelphia International

85km from central Allentown
Cheapest
from Rs13,644
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Lancaster

87km from central Allentown
from Rs39,296
Search flights

Chicago to Allentown: Flight information

The things to know before you go.
Cheapest flight foundRs32,035
Cheapest month to flyAugust
Average flight time2 hrs, 9 mins
Most popular airlineUnited
Average flights per week115

Finding cheap flights from Chicago O'Hare International to Allentown: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Allentown is Rs86,407. 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 9 minutes is the average flight time from Chicago O'Hare International to Allentown.
United, Qatar Airways and GoJet Airlines fly direct from Chicago O'Hare International to Allentown.
As of May 2026, there are 115 flights per week flying from Chicago O'Hare International to Allentown.
The cheapest month to fly from Chicago O'Hare International to Allentown is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Allentown Airport on Friday, 28 August 2026.
Yes – the average flight time is 2 hours and 9 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.
Currently, United offers the cheapest flight tickets to Allentown.

Flying from O'Hare International Airport (ORD) to Lehigh Valley International Airport (ABE): what you need to know

  • The average time for a direct flight from O'Hare International Airport to Lehigh Valley International Airport is 2 hours.

  • Choose from 40 weekly O'Hare International Airport to Lehigh Valley International Airport flights. The 13:55 departure with United Airlines is the earliest you can take. United Airlines operates the last service of the day at 18:35.

  • Your ORD to ABE flight won't wait if you're 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.

  • Be prepared for longer lines during popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • United Airlines has direct flights from O'Hare International Airport to Lehigh Valley International Airport. Book with this popular carrier, then get ready to discover the sights in Allentown — and maybe even more of United States if time allows.

  • The airline with the highest passenger demand on this route is United Airlines.

  • The most punctual carrier operating ORD to ABE flights is United Airlines. Its services arrive as scheduled 75.83% of the time.

  • Think about adding a stopover when booking your ticket from O'Hare International Airport to Lehigh Valley International Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between ORD and ABE:

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Lehigh Valley International Airport (ABE)

  • Right now, Rs32,035 is the lowest price we've seen for a one-way O'Hare International Airport to Lehigh Valley International Airport flight. The best price for a return ticket is Rs86,407. Keep in mind that fares may change due to demand at the time of booking.

  • To pick up cheap tickets from ORD to ABE, book your journey six months before your planned departure.

  • May is the cheapest month for flights from O'Hare International Airport to Lehigh Valley International Airport. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from ORD to ABE.

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

Handy information about O'Hare International Airport (ORD)

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

  • 74.85% of flights leaving from O'Hare International Airport make it to their destination on schedule.

  • To get to O'Hare International Airport from central Chicago, it takes around 35 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.

  • Expect a trip time of around 55 minutes when using public transport.

  • Catching an early flight from O'Hare 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 near ORD:

Arriving at Lehigh Valley International Airport (ABE)

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

  • The address for ABE is 3311 Airport Road.

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

  • Getting there by public transport will take you around 30 minutes.

When to fly to Lehigh Valley International Airport (ABE)

  • It's time to choose your dates for your flight from O'Hare International Airport to Lehigh Valley International Airport. July is the most popular month to head to Allentown. If you like a more laid-back vibe, go in April.

  • The warmest month in Allentown is July, with temperatures ranging between 15ºC and 30ºC. Lock in your flights from O'Hare International Airport to Lehigh Valley International Airport in this month if you like this kind of weather.

  • January has average temperatures of between -9ºC and 7ºC. Search for cheap tickets from ORD to ABE sometime around then if you want to travel when it's cooler.

Explore more of United States

  • New York is just one of the many places in United States waiting to be discovered once you've seen the sights of Allentown. Around 121 kilometres away to the east, check out popular attractions including Statue of Liberty, Central Park and Empire State Building.

  • Around 80 kilometres south of Allentown, Philadelphia is another favourite stop in United States. Start your sightseeing at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Chicago to Allentown

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