Cheap flights from Chicago O'Hare Intl Airport to Allentown from $135
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 O'Hare Intl Airport to Allentown departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Allentown
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
American Airlines flights from Chicago O'Hare Intl Airport to Allentown
Our best American Airlines deals on Chicago O'Hare Intl Airport to Allentown flight tickets
Delta flights from Chicago O'Hare Intl Airport to Allentown
Our best Delta deals on Chicago O'Hare Intl Airport to Allentown flight tickets
See travel insights to Allentown from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 February is, on average, the cheapest month to fly to Allentown from Chicago O'Hare Intl Airport, with most prices found around $249. If you aren’t able to travel to Allentown during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $319.
What is the cheapest day to depart on your flight to Allentown?
The cheapest day to depart from Chicago O'Hare Intl Airport to Allentown is on a Saturday when prices can be found for as low as $358. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Sunday is $555.
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 O'Hare Intl Airport 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 $462.
What is the cheapest Chicago O'Hare Intl to Allentown-Bethlehem flight route?
Fly from Chicago O'Hare Intl to Allentown-Bethlehem for the best Chicago O'Hare Intl - Allentown-Bethlehem flight prices
What cabin class options are available on Chicago O'Hare Intl to Allentown-Bethlehem flights?
There are 1 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Allentown flight prices changed over time?
What is the cheapest airline that flies from Chicago O'Hare Intl to Allentown-Bethlehem?
American Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 5 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 O'Hare Intl Airport to Allentown on average per day?
The number of flights available between Chicago O'Hare Intl Airport and Allentown is 5 per day as of February 2025. The most frequent departure time is 6:00PM, with 60% of daily flights leaving in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Allentown on average per week?
As of February 2025, there are 35 flights per week flying from Chicago O'Hare Intl Airport to Allentown. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Allentown
Cheap Chicago O'Hare Intl Airport to Allentown (ORD to ABE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Allentown
How far is Chicago O'Hare Intl to Allentown-Bethlehem by plane?
The distance between Chicago O'Hare Intl and Allentown-Bethlehem is about 651.5 mi. Typically, this will take 2h 02m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?
Prices for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?
There are 2 operators available for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport as of February 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Allentown?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Allentown, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 28.49% of the total bookings. Other popular models include Airbus A320neo with 12.21%, Boeing 737-800 with 9.30%, and Boeing 737-900 with 8.72%.
What is the most popular airline from Chicago O'Hare Intl Airport to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Allentown is United Airlines (79% of total bookings). The next most popular airline is American Airlines (21%).
Best airlines flying from Chicago O'Hare Intl Airport to Allentown
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $187 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 7.4 8,765 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to Allentown
Across 14 United Airlines flights from Chicago O'Hare Intl Airport to Allentown this week, the average price was $443, with the best United Airlines deals starting from $255 round-trip. 8,766 users have rated United Airlines on momondo, with an average score of 7.4/10.
Traveling to a place near Allentown?
Book flights to Allentown if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Allentown?
It is quick and easy to find Chicago to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.
Can I find flights from Chicago to Allentown with flexible booking policies on momondo?
momondo does allow users to show only those flights to Allentown from Chicago which offer a flexible booking policy as well as other useful filters and features.
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?
Of course. momondo tracks the price of Chicago to Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.