CHI - ABE

$142 Find Cheap Flights from Chicago to Allentown

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Allentown departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Allentown

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Allentown, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Allentown, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$209
Overall average: $309
United Airlines
Sun 1/25Sat 1/31
ORD - ABE • Non-stop
Cheapest non-stop
$209
Typical prices: $219-$418
United Airlines
Mon 1/26Mon 2/2
ORD - ABE • Non-stop
Top airlines
United Airlines
Cheapest • from $209 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
ORD-ABE
Cheapest
ORD-ABE
Most popular
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 27% price drop
November
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Allentown!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Allentown (CHI-ABE)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Allentown that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Allentown

Sun, Jan 25 - Sat, Jan 31
United Airlines Logo
7:30 am - 10:41 am
ORD
-
ABE
2h 11mnonstop
United Airlines Logo
11:30 am - 1:13 pm
ABE
-
ORD
2h 43mnonstop
$209United Airlines
Sun, Jan 25 - Sat, Jan 31
American Airlines Logo
6:05 am - 12:32 pm
ORD
-
ABE
5h 27m1 stop
American Airlines Logo
7:30 am - 1:22 pm
ABE
-
ORD
6h 52m1 stop
$229American Airlines
Mon, Jan 26 - Mon, Feb 2
Delta Logo
1:26 pm - 10:50 pm
MDW
-
ABE
8h 24m2 stops
Delta Logo
5:59 pm - 10:22 pm
ABE
-
MDW
5h 23m1 stop
$234Delta
Mon, Jan 26 - Mon, Feb 2
Delta Logo
10:35 am - 10:50 pm
ORD
-
ABE
11h 15m2 stops
Delta Logo
12:48 pm - 6:49 pm
ABE
-
ORD
7h 01m1 stop
$234Delta
Mon, Jan 26 - Mon, Feb 2
Delta Logo
10:35 am - 10:50 pm
ORD
-
ABE
11h 15m2 stops
Delta Logo
12:48 pm - 9:05 pm
ABE
-
ORD
9h 17m2 stops
$239Delta
Sat, May 23 - Mon, May 25
Delta Logo
6:00 am - 12:10 pm
ORD
-
ABE
5h 10m1 stop
Delta Logo
1:00 pm - 7:01 pm
ABE
-
ORD
7h 01m1 stop
$249Delta
Fri, Jan 16 - Mon, Jan 19
United Airlines Logo
7:30 am - 10:41 am
ORD
-
ABE
2h 11mnonstop
United Airlines Logo
4:57 pm - 6:40 pm
ABE
-
ORD
2h 43mnonstop
$266United Airlines
Sun, Jan 25 - Sat, Jan 31
Multiple Airlines Logo
11:55 am - 9:26 pm
ORD
-
ABE
32h 31m2 stops
Multiple Airlines Logo
5:59 pm - 11:59 pm
ABE
-
ORD
31h 00m1 stop
$271Multiple Airlines
Fri, Feb 13 - Sun, Feb 15
United Airlines Logo
7:00 am - 10:01 am
ORD
-
ABE
2h 01mnonstop
United Airlines Logo
10:36 am - 12:10 pm
ABE
-
ORD
2h 34mnonstop
$279United Airlines
Mon, Jan 26 - Mon, Feb 2
Delta Logo
6:00 am - 12:05 pm
MDW
-
ABE
5h 05m1 stop
Delta Logo
5:59 pm - 10:22 pm
ABE
-
MDW
5h 23m1 stop
$284Delta
Booking Insights

KAYAK's insights & trends for Chicago to Allentown flights

Get data-powered insights and trends into flights from Chicago to Allentown to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Chicago to Allentown flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chicago to Allentown costs $219 on the route between Chicago O'Hare Intl Airport (ORD) and Allentown (ABE). It is also the most popular route.

What’s the cheapest day of the week to fly from Chicago to Allentown?

The average price of all round-trip flights from Chicago to Allentown clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Allentown on a Saturday and more expensive on a Monday. On your return trip to Chicago, you should consider flying back on a Friday, and avoid Sundays for better deals.

What is the cheapest month to fly from Chicago to Allentown?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Allentown, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago to Allentown is January, where tickets cost $267 (return) on average. On the other hand, the most expensive months are April and March, where the average cost of round-trip tickets is $512 and $508 respectively.

Can I save money by flying with a layover from Chicago to Allentown?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $294 on average.

Good to know

Low seasonAugust
Cheapest flight$142
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Chicago O'Hare Airport to Allentown

When to book flights from Chicago to Allentown

Are your dates flexible? Find out the best times to travel from Chicago to Allentown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chicago to Allentown

  • What is the cheapest flight from Chicago to Allentown?

    In the last 3 days, the lowest price for a flight from Chicago to Allentown was $142 for a one-way ticket and $209 for a round-trip.

  • Do I need a passport to fly between Chicago and Allentown?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Chicago to Allentown?

    There are 2 airports in Chicago (Chicago Midway and Chicago O'Hare Intl.) and only 1 airport in Allentown (Allentown-Bethlehem). The cheapest flights are generally found on the Chicago O'Hare Airport to Allentown-Bethlehem flight route.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Allentown?

    Only American Airlines offers inflight Wi-Fi service on the Chicago to Allentown flight route.

  • Which aircraft models fly most regularly from Chicago to Allentown?

    The Canadair (Bombardier) Regional Jet CRJ-550 is the aircraft model that flies most regularly on the Chicago to Allentown flight route.

  • Which airline alliances offer flights from Chicago to Allentown?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Allentown, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Chicago to Allentown?

    There are nonstop flights from Chicago to Allentown on a daily basis.

  • Which is the best airline for flights from Chicago to Allentown, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Allentown are United Airlines and American Airlines. With an average price for the route of $390 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $278 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Chicago to Allentown?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Allentown.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Allentown?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Allentown from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Allentown?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Allentown with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Allentown?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Allentown from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Allentown

  • Looking for a cheap flight? 25% of our users found flights on this route for $483 or less one-way and $299 or less round-trip.

Prefer to fly direct from Chicago to Allentown?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to Allentown-Bethlehem.
Find which airlines fly direct from Chicago to Allentown-Bethlehem Airport, which days they fly and book direct flights.

Direct departures

Chicago to Allentown-Bethlehem

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Allentown-Bethlehem to Chicago

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top airlines flying from Chicago to Allentown

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Allentown. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Allentown? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9120 reviews
7.7Boarding
8.1Crew
7.1Entertainment
7.3Comfort
6.6Food
Airline reviews

cabin crew was OK, food was OK, the trip from the US to Munich was actually pretty bad comfort wise. Noisy aircraft, lights never dimmed even in Business class (night flight) barely sufficient amenities for the price. I have millions of miles with United but TBH American is gaining ground and Delta has always been marginally better then United although on paper United has more longes and cheaper upgrades.

6.0 GoodMarco, Dec 2025
ORD - ORF
Read more United Airlines reviews

cabin crew was OK, food was OK, the trip from the US to Munich was actually pretty bad comfort wise. Noisy aircraft, lights never dimmed even in Business class (night flight) barely sufficient amenities for the price. I have millions of miles with United but TBH American is gaining ground and Delta has always been marginally better then United although on paper United has more longes and cheaper upgrades.

Essy to get on. The hostess gave very little pop, the plane was late getting in, and we are still waiting for our bags. This sucks. :/

Great flight. On time boarding. Smooth flight and on time arrival at EWR. The flight crew was marvelous and there was a great selection of movies on the entertainment system. Our bags were at the carousel before we got there. Another excellent flight from United.

I liked the snacks and the flight attendants were friendly.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very thoughtful flight attendant offered me water immediately since I had run to make my connection.

Always wish for more healthy, gluten free options. We have to bring our own.

Having a long layover, I was very appreciative of the ability to stand by for an earlier flight. Other airlines like Delta have refused this to me in the past, just to be mean (because my ticket class wasn't high enough). United went out of their way to help me get to my destination early, which I really appreciated given that it was the third leg of a 24+ hour journey for me.

Other than a way way too cold cabinets for the entire flight, all was great

One bag is incorrect and not acceptable for an international flight. The food was not just good. I won't fly with them again.

The boarding process needs to be fixed. The zone don't work, especially when there is hardly anyone in zones 3, 4,and 5, leaving the majority of the passengers backed up in the aisle, especially because passengers seated near the front are blocking passengers who are seated in the rear of the plane. It would also help if the size of carry on bags was more strictly enforced.

The boarding by groups is pointless. The first two groups worked fine, but almost Noone boarded in goups three thru five leaving the vast majority boarding when group six was called. It defeated the purpose of spreading out the crowd.

We loved the steward on the plane. He made the night enjoyable

The plane was late, when we did board the plane was as cold as a freezer. I was freezing the entire flight, no blankets. Lost miserable flight I’ve ever had.

The Phildalphia to Allentown portion was a BUS, not a plane. All was as expected.

3 hour weather delay followed by 1 hour (and counting) maintenance delay. UGH!

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

I wish American Airlines would change the airline industry by loading the plane back to front instead of front to back. Planes would board so much more smoothly and quickly.

Everything you need to know for your flight from Chicago to Allentown

Information on your arrival and departure airports