$137 Find Cheap Flights from Chicago O'Hare Airport to Allentown - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Allentown:

• Earliest: departs at 6:25 am and lands at 8:32 am
• Latest: departs at 8:45 pm and lands at 10:52 pm.

The flight takes about 2h 07m.

Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Allentown:

• Economy Class
• First Class

A nonstop flight from Chicago O'Hare Intl Airport to Allentown takes 2h 07m, covering 652 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago O'Hare Intl Airport to Allentown range from $279 to $408, with an average of $332 over the past 12 months. Anything below $279 counts as a good deal.

On this route, nonstop and layover fares are close on average, with nonstop at $329 round-trip and layover options via Philadelphia (PHL) at $336.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 170 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet CRJ-550 variants.

Afternoon is the busiest departure period on Chicago O'Hare Intl Airport to Allentown flights, with 50% of flights leaving in that window. Evening departures account for 50%, morning flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $339 to $2,912. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Allentown are currently lower than usual. Average one-way flight prices are about $194, which is 39% below the typical average for this route.

Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Alamo
• Dollar
• Budget
• Hertz
• Thrifty

Flights from Chicago O'Hare Intl Airport to Allentown usually depart from Chicago O'Hare Intl (ORD) and arrive at Allentown-Bethlehem (ABE).

Connecting flights from Chicago O'Hare Intl Airport to Allentown most commonly pass through:

• Philadelphia (PHL) - 82% of one-stop connections
• Charlotte Douglas (CLT) - 18% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from Chicago O'Hare Intl Airport to Allentown. Saturday is the cheapest departure day at $308 round-trip on average, while Sunday is the most expensive at $439, a difference of $131.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

2 airlines operate flights between Chicago O'Hare Intl Airport and Allentown. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 5h 04m, compared with 5h 56m via Charlotte Douglas (CLT).

Allentown is 1 hour ahead of Chicago O'Hare Intl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating Chicago O'Hare Intl Airport to Allentown flights:

• American Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.