Cheap Flights from Allentown PA to Chicago IL from $298

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Flight deals from Allentown to Chicago

Looking for a cheap last-minute deal or the best round-trip flight from Allentown Airport to Chicago? If you want to travel next month, round-trip fares start from $298. Find the lowest prices on one-way and round-trip tickets right here.

Chicago.$298 per passenger.Departing Wed, Dec 2, returning Wed, Dec 9.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Wed, Dec 2, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, Dec 9, arriving in Allentown.Price includes taxes and charges.From $298, select.

Chicago.$298 per passenger.Departing Wed, Oct 7, returning Wed, Oct 14.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Wed, Oct 7, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, Oct 14, arriving in Allentown.Price includes taxes and charges.From $298, select.

Chicago.$298 per passenger.Departing Thu, Nov 26, returning Thu, Dec 10.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Thu, Nov 26, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Thu, Dec 10, arriving in Allentown.Price includes taxes and charges.From $298, select.

Chicago.$299 per passenger.Departing Sun, Nov 15, returning Sun, Nov 22.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Sun, Nov 15, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Sun, Nov 22, arriving in Allentown.Price includes taxes and charges.From $299, select.

Chicago.$299 per passenger.Departing Sat, Sep 26, returning Tue, Sep 29.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Sat, Sep 26, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Tue, Sep 29, arriving in Allentown.Price includes taxes and charges.From $299, select.

Chicago.$299 per passenger.Departing Sat, Feb 13, returning Mon, Feb 15.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Sat, Feb 13, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Mon, Feb 15, arriving in Allentown.Price includes taxes and charges.From $299, select.

Chicago.$299 per passenger.Departing Wed, Oct 28, returning Wed, Nov 4.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Wed, Oct 28, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, Nov 4, arriving in Allentown.Price includes taxes and charges.From $299, select.

Chicago.$299 per passenger.Departing Thu, Jan 14, returning Mon, Jan 18.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Thu, Jan 14, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Mon, Jan 18, arriving in Allentown.Price includes taxes and charges.From $299, select.

Chicago.$317 per passenger.Departing Sat, Sep 26, returning Fri, Oct 2.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Allentown on Sat, Sep 26, arriving in Chicago O'Hare International.Inbound indirect flight with American Airlines, departing from Chicago O'Hare International on Fri, Oct 2, arriving in Allentown.Price includes taxes and charges.From $317, select.

Chicago.$318 per passenger.Departing Mon, Dec 21, returning Mon, Jan 4.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Allentown on Mon, Dec 21, arriving in Chicago Midway.Inbound indirect flight with Delta, departing from Chicago Midway on Mon, Jan 4, arriving in Allentown.Price includes taxes and charges.From $318, select.

Chicago.$319 per passenger.Departing Fri, Dec 25, returning Fri, Jan 1.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Fri, Dec 25, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Fri, Jan 1, arriving in Allentown.Price includes taxes and charges.From $319, select.

Chicago.$515 per passenger.Departing Sat, Sep 26, returning Fri, Oct 2.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Sat, Sep 26, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Fri, Oct 2, arriving in Allentown.Price includes taxes and charges.From $515, select.

Chicago.$578 per passenger.Departing Thu, Mar 11, returning Sun, Mar 14.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Thu, Mar 11, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Sun, Mar 14, arriving in Allentown.Price includes taxes and charges.From $578, select.

Chicago.$610 per passenger.Departing Fri, Jun 4, returning Sun, Jun 6.Round-trip flight with United.Outbound direct flight with United departing from Allentown on Fri, Jun 4, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Sun, Jun 6, arriving in Allentown.Price includes taxes and charges.From $610, select.

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 October.

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Direct flights from Allentown to Chicago

Alternative Allentown to Chicago routes

Looking for the cheapest, fastest or easiest route from Allentown to Chicago? You could fly into the following airports instead.

Allentown to Chicago: Flight information

The things to know before you go.

Cheapest flight found	$298
Cheapest month to fly	October
Average flight time	2 hrs, 34 mins
Most popular airline	United
Average flights per week	110

Finding cheap flights from Allentown to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 3 airports in Chicago: Chicago Midway, Chicago O'Hare International and Chicago Rockford.

How much are round-trip flights from Allentown to Chicago?

The best price we found for a round-trip flight from Allentown to Chicago is $298. 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.

How long does it take to fly from Allentown to Chicago?

2 hours and 34 minutes is the average flight time from Allentown to Chicago.

Which airlines fly direct from Allentown to Chicago?

United, SkyWest Airlines and American Airlines fly direct from Allentown to Chicago.

How many flights are there a week from Allentown to Chicago?

There are 110 flights per week flying from Allentown to Chicago, as of September 2026.

When is the cheapest time to fly from Allentown to Chicago?

The cheapest month to fly from Allentown to Chicago is usually October.

What's the cheapest airport to fly to in Chicago?

If you're flying from Allentown Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.5 km away from the center of Chicago. We've found flights to this airport from $298.

Which upcoming date is cheapest to fly from Allentown Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Allentown Airport to Chicago on Wednesday, October 7, 2026.

Can I get a direct flight from Allentown Airport to Chicago?

Yes – the average flight time is 2 hours and 34 minutes.

How can I get the best flight deal from Allentown Airport to Chicago?

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.

When is the best time to book flights to Chicago?

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.

What’s the weather like in Chicago?

In September, the average temperature is usually around 20°C. July is typically the warmest month in Chicago, when it usually averages around 27°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is June.

Which is the cheapest airline to fly with from Allentown Airport to Chicago?

Currently, United offers 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 traveling 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.
Traveling from central Allentown to ABE takes around 45 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 6 kilometers 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

$141 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 $298. 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 center of Chicago takes around 30 minutes to reach by car. The center is roughly 27 kilometers away.
It typically takes 45 minutes if you're traveling 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 kilometers from the center 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 cab.
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 center after your flight from Lehigh Valley International Airport to Chicago has arrived. Central Chicago is around 145 kilometers 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 center, 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 (61ºF) to 28ºC (82ºF).
If you like cooler conditions, look for a cheap ticket from ABE to Chicago in January when temperatures average between -12ºC (10ºF) and 3ºC (37ºF).

More about Chicago

Start your Chicago trip right by choosing the perfect place to stay. After booking your flight from Lehigh Valley International Airport to Chicago, browse our range of accommodation options including:
Art Institute of Chicago and Millennium Park are just two of the leading attractions to add to your Chicago itinerary. Keep the adventure rolling by checking out Willis Tower.

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 kilometers away to the southeast, its top attractions include Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theater.
If you're eager to discover another major stop in the United States, head for Indianapolis, roughly 257 kilometers southeast of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are the start of reasons to visit.