Cheap Flights from Allentown to Chicago

Compare Allentown to Chicago flight deals

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

Book the best Chicago fare with no extra fees

Flight deals from Allentown to Chicago

Looking for a cheap last-minute deal or the best return flight from Allentown Airport to Chicago? If you want to travel next month, return fares start from $468. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Allentown to Chicago

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

Direct flights from Allentown to Chicago

Allentown to Chicago: Flight information

The things to know before you go.
Cheapest flight found$342
Cheapest month to flyAugust
Average flight time2 hrs, 26 mins
Most popular airlineUnited
Average flights per week146

Finding cheap flights from Allentown to Chicago: Frequently asked questions

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
The best price we found for a return flight from Allentown to Chicago is $342. 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 26 minutes is the average flight time from Allentown to Chicago.
United, Air New Zealand and GoJet Airlines fly direct from Allentown to Chicago.
As of June 2026, there are 146 flights per week flying from Allentown to Chicago.
The cheapest month to fly from Allentown to Chicago is usually August.
If you're flying from Allentown Airport, the cheapest airport near Chicago is Chicago Midway – which is 14.5 km away from the centre of Chicago. We've found flights into this airport from $342.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Allentown Airport to Chicago on Friday, 21 August 2026.
Yes – the average flight time is 2 hours and 26 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 Chicago 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 19°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
Currently, Delta and United offer the cheapest flight tickets to Chicago.

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

  • Approximately 2 hours 5 minutes is how long you can expect to be travelling on a direct flight from Lehigh Valley International Airport to Chicago.

  • Chicago is one hour behind Allentown, where Lehigh Valley International Airport is located. Chicago runs on the UTC-6 timezone.

  • Lehigh Valley International Airport (ABE) to Chicago O'Hare International Airport (ORD) is the most popular route, with 21 departures a week to choose from. If you prefer a later start to the day, the last flight from ABE to ORD is with United Airlines at 17:38. Opt for the first departure operated by United Airlines at 06:30 if you want to fly out earlier.

  • Give yourself enough time to make your ABE to Chicago flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during peak periods in general.

  • You can book a direct Lehigh Valley International Airport to Chicago ticket. Begin your trip at ABE and touch down at Chicago O'Hare International Airport (ORD).

  • United Airlines is a popular carrier that offers direct flights from Lehigh Valley International Airport to Chicago.

  • Travelling from central Allentown to ABE takes around 45 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 6 kilometres in 20 minutes or so, depending on traffic conditions.

  • Booked an early flight from Lehigh Valley International Airport to Chicago? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to ABE:

  • 78% of flights that leave from Lehigh Valley International Airport touch down at their destination on schedule.

  • ABE is located at 3311 Airport Road.

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

  • $429 is the cheapest price we've found for a one-way Lehigh Valley International Airport to Chicago flight. A return plane ticket right now is $342. Depending on the availability when you book, these fares may change.

  • To pick up cheap flights from ABE to Chicago, book ahead. Airlines generally offer their most competitively priced fares when flights are first released.

  • If you're flexible with your travel dates, check out the 'Whole month' tool. It'll give you the lowest price across every month when searching for a Lehigh Valley International Airport to Chicago ticket.

  • There's no need to check in daily to find out if fares have dropped when you set up a Price Alert. We'll let you know when there's an updated deal for cheap flights from ABE to Chicago.

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

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • Chicago O'Hare International Airport (ORD) to the centre of Chicago takes around 30 minutes to reach by car. The centre is roughly 27 kilometres away.

  • It typically takes 45 minutes if you're travelling on public transport.

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Lehigh Valley International Airport to Chicago. Reserve one of these accommodation options near ORD instead:

  • Booking your ride from Chicago O'Hare International Airport about four weeks ahead of your flight from ABE to Chicago can help you get the best possible rate.

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

Chicago Midway International Airport (MDW)

  • Chicago Midway International Airport (MDW) is roughly 16 kilometres from the centre of Chicago. Once you've disembarked your flight from Lehigh Valley International Airport to Chicago, it'll take you around 25 minutes to reach the heart of the city in a ride-share or taxi.

  • Public transport will get you there in around 30 minutes.

  • After stepping off your ABE to Chicago flight, kick back at a hotel near MDW. These are some great accommodation options that'll help you get into relaxation mode:

  • Lock in the best price by securing your ride from MDW four weeks ahead of time. You'll also have access to a greater selection of vehicles.

  • The address for Chicago Midway International Airport is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • Set your sights on the city centre after your flight from Lehigh Valley International Airport to Chicago has arrived. Central Chicago is around 145 kilometres from Chicago Rockford International Airport (RFD) and takes roughly 1 hour 40 minutes to get to by car.

  • If you travel by public transport, the journey takes around 2 hours.

  • If you don't want to make the journey to the centre, choose a hotel close to RFD. Get comfortable at one of these options after your ABE to Chicago flight:

  • Booking a couple of weeks ahead of your flight from Lehigh Valley International Airport to Chicago is a smart move. In addition to better deals, you might find it easier to get the make and model you prefer at RFD.

  • Chicago Rockford International Airport's street address is 2 Airport Cir.

Best time to go to Chicago

  • January is the quietest month for flights from Lehigh Valley International Airport to Chicago, while July is the busiest. Pick the ideal time to visit Chicago based on whether you like a bustling atmosphere or a more laid-back vibe.

  • When booking your Lehigh Valley International Airport to Chicago plane ticket, think about what kind of weather you prefer. July is the warmest month in Chicago, with temperatures ranging from 16ºC to 28ºC.

  • If you like cooler conditions, look for a cheap ticket from ABE to Chicago in January when temperatures average between -12ºC and 3ºC.

More about Chicago

Explore more of the United States

  • Columbus is just one of the many cities in the United States waiting to be explored after you've seen Chicago. Around 451 kilometres away to the southeast, its top attractions include Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

  • If you're eager to discover another major stop in the United States, head for Indianapolis, roughly 257 kilometres southeast of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are the start of reasons to visit.

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