Cheap flights from Chicago to Allentown from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Allentown departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago to Allentown
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Allentown?
The month of June is, on average, the cheapest month to fly to Allentown from Chicago, with most prices found around $272. If you aren’t able to travel to Allentown during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $278.
What is the cheapest day to depart on your flight to Allentown?
The cheapest day to depart from Chicago to Allentown is on a Wednesday when prices can be found for as low as $368. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Monday is $671.
What is the cheapest time of day to depart on your flight to Allentown?
In the morning is the cheapest time of day to fly from Chicago to Allentown when you can find flight prices for as low as $262. Flying to Allentown in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $483.
What is the cheapest Chicago to Allentown-Bethlehem flight route?
Fly from Chicago O'Hare Intl to Allentown-Bethlehem for the best Chicago - Allentown-Bethlehem flight prices
What cabin class options are available on Chicago to Allentown-Bethlehem flights?
There are 1 cabin classes available to choose from on Chicago to Allentown-Bethlehem flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Chicago to Allentown flight prices changed over time?
As of April 2025, prices for Chicago to Allentown flights are approximately 17% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago to Allentown-Bethlehem?
Delta, United Airlines, and American Airlines are the most popular carriers operating from Chicago to Allentown-Bethlehem
What airlines fly to Allentown?
American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Allentown from Chicago according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 6 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Allentown on average per day?
As of April 2025, 5 flights take off from Chicago and land in Allentown each day. The most common flight departure time for this route is 6:00PM, with 60% of daily flights taking off in the evening.
How many flights depart from Chicago to Allentown on average per week?
As of April 2025, 35 flights take off from Chicago and land in Allentown each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Chicago to Allentown
Cheap Chicago to Allentown (CHI to ABE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Allentown
How far is Chicago to Allentown-Bethlehem by plane?
The distance between Chicago and Allentown-Bethlehem is about 636.8 mi. Flights usually cover this in 2h 02m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Allentown-Bethlehem Airport?
Prices for flights from Chicago to Allentown-Bethlehem Airport are updated daily.
How many operators does momondo search for flights from Chicago to Allentown-Bethlehem Airport?
The number of operators available for flights from Chicago to Allentown-Bethlehem Airport is 2 as of April 2025.
How old do you have to be to fly from Chicago to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Allentown?
Based on momondo bookings for flights between Chicago and Allentown, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 33.86% of the total bookings. Other popular models include Boeing 737 MAX 8 with 10.24%, Boeing 737-800 with 9.45%, and Airbus A320neo with 8.66%.
What is the most popular airline from Chicago to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Allentown is United Airlines (76% of total bookings). The next most popular airline is American Airlines (24%).
Best airlines flying from Chicago to Allentown
Compare and see reviews for airlines that fly from Chicago to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $261 | Free Cancellation | Rating 7.4 8,685 reviews |
United Airlines Flights From Chicago to Allentown
The lowest priced United Airlines flight from Chicago to Allentown from the last 72 hours was $261. Generally, United Airlines has 14 flights on this route every week with an average price of $468. United Airlines is rated 7.4/10 by our users.
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Why should I use momondo to find a flight deal from Chicago to Allentown?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Chicago.
Can I find flights from Chicago to Allentown with flexible booking policies on momondo?
Flights from Chicago to Allentown with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Allentown?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Allentown.
I’m not ready to book a flight from Chicago to Allentown right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.