Cheap flights from Chicago O'Hare Intl Airport to Allentown from $136
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 11/5. 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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Delta flights from Chicago O'Hare Intl Airport to Allentown
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Fly from
Fly to
Route
Depart
Return
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Thu 11/5
7:55 am-9:09 pm
1 stop12h 14m
Allentown-Bethlehem
Mon 11/9
4:36 pm-6:30 pm
2 stops26h 54m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Thu 12/3
8:45 pm-11:57 pm
Nonstop2h 12m
Allentown-Bethlehem
Sun 12/6
5:30 am-7:15 am
Nonstop2h 45m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Fri 10/23
6:25 am-9:35 am
Nonstop2h 10m
Allentown-Bethlehem
Sat 10/24
10:37 am-12:00 pm
Nonstop2h 23m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Thu 12/24
5:45 pm-8:51 pm
Nonstop2h 06m
Allentown-Bethlehem
Thu 12/31
5:25 pm-7:05 pm
Nonstop2h 40m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Sun 3/28
7:19 pm-10:28 pm
Nonstop2h 09m
Allentown-Bethlehem
Sun 4/4
7:17 am-9:00 am
Nonstop2h 43m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Sat 2/6
1:44 pm-4:45 pm
Nonstop2h 01m
Allentown-Bethlehem
Tue 2/9
6:10 am-7:55 am
Nonstop2h 45m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Wed 11/11
2:35 pm-5:41 pm
Nonstop2h 06m
Allentown-Bethlehem
Sat 11/14
5:37 am-7:15 am
Nonstop2h 38m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Thu 12/3
9:59 am-5:13 pm
1 stop6h 14m
Allentown-Bethlehem
Sun 12/6
5:58 pm-11:56 pm
1 stop6h 58m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Mon 10/26
9:51 am-5:16 pm
1 stop6h 25m
Allentown-Bethlehem
Sun 11/1
1:00 pm-7:11 pm
1 stop7h 11m
ChicagoAllentown
ORD Chicago O'Hare Intl - ABE Allentown-Bethlehem
ORDABE
Chicago O'Hare Intl
Thu 11/19
5:30 am-12:04 pm
1 stop5h 34m
Allentown-Bethlehem
Wed 12/2
5:58 pm-11:56 pm
1 stop6h 58m
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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Allentown?
Prices are currently typical for flights on this route.
Typical prices usually range from $299 to $354.The lowest price recently found on this route was $304.
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 $252. If you aren’t able to travel to Allentown during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $269.
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 $298. 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 $440.
What is the cheapest time of day to depart on your flight to Allentown?
At noon 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 $322. Flying to Allentown at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $519.
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 Airport to Allentown flights?
There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to Allentown flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago O'Hare Intl Airport to Allentown flights?
You could potentially save up to 23% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Allentown flight.
What is the cheapest airline that flies from Chicago O'Hare Intl to Allentown-Bethlehem?
United Airlines is the most popular carrier operating from Chicago O'Hare Intl to Allentown-Bethlehem
What airlines fly to Allentown?
United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Allentown from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 4 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 6 per day as of October 2026. The most frequent departure time is 1:00PM, with 60% of daily flights leaving in the afternoon.
How many flights depart from Chicago O'Hare Intl Airport to Allentown on average per week?
As of October 2026, there are 47 flights per week flying from Chicago O'Hare Intl Airport to Allentown. The most common day of the week flights depart is Sun, with 19% 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
Frequently asked questions about flying 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 03m 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 October 2026.
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 Embraer 170, making up 26.62% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 25.48%, Airbus A321neo with 10.27%, and Boeing 737-900 with 6.84%.
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 (71% of total bookings). The next most popular airline is American Airlines (29%).
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 $225 | Free Cancellation | Rating 7.4 10,285 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 7.0 12,128 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to Allentown
Across 21 United Airlines flights from Chicago O'Hare Intl Airport to Allentown this week, the average price was $376, with the best United Airlines deals starting from $225 round-trip. 10,285 users have rated United Airlines on momondo, with an average score of 7.4/10.
American Airlines Flights From Chicago O'Hare Intl Airport to Allentown
Across 12,128 American Airlines reviews on momondo, the average score is 7.0/10. American Airlines flies from Chicago O'Hare Intl Airport to Allentown about 4 times each week, with ticket deals ranging from $269 to $319. Price data is based on momondo searches in the last 72 hours.
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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.