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Cheap flights from Allentown to Chicago from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Chicago departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Chicago

Cheap round-trip flights

American Airlines Logo
2:37 pm - 6:34 pmABE-ORD
4h 57m1 stop
American Airlines Logo
8:37 am - 2:22 pmORD-ABE
4h 45m1 stop
$161American Airlines
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
8:03 pm - 11:57 pmABE-ORD
4h 54m1 stop
American Airlines Logo
7:13 am - 1:26 pmORD-ABE
5h 13m1 stop
$171American Airlines
Find Deal
Tue, Aug 5 - Sat, Aug 9
American Airlines Logo
2:56 pm - 6:29 pmABE-ORD
4h 33m1 stop
American Airlines Logo
8:37 am - 2:26 pmORD-ABE
4h 49m1 stop
$181American Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26
American Airlines Logo
1:56 pm - 7:08 pmABE-ORD
6h 12m1 stop
American Airlines Logo
7:13 am - 1:26 pmORD-ABE
5h 13m1 stop
$195American Airlines
Find Deal
Sat, Aug 30 - Sun, Aug 31
Delta Logo
5:40 pm - 11:53 pmABE-ORD
7h 13m1 stop
Delta Logo
10:35 am - 10:52 pmORD-ABE
11h 17m2 stops
$214Delta
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Sat, Oct 11 - Tue, Oct 14
Logo
9:15 pm - 7:07 pmABE-ORD
22h 52m2 stops
Logo
6:56 am - 11:02 pmORD-ABE
15h 06m1 stop
$217
Find Deal
Thu, Aug 21 - Mon, Aug 25
Logo
6:30 am - 9:30 pmABE-ORD
16h 00m2 stops
Logo
8:12 pm - 9:00 pmORD-ABE
23h 48m2 stops
$219
Find Deal
Mon, Aug 11 - Wed, Aug 13
Delta Logo
5:40 pm - 11:53 pmABE-ORD
7h 13m1 stop
Delta Logo
6:00 am - 12:08 pmORD-ABE
5h 08m1 stop
$221Delta
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Sat, Oct 11 - Wed, Oct 15
United Airlines Logo
1:00 pm - 2:32 pmABE-ORD
2h 32mnonstop
United Airlines Logo
8:45 am - 11:58 amORD-ABE
2h 13mnonstop
$235United Airlines
Find Deal
Fri, Aug 22 - Sun, Aug 24
United Airlines Logo
1:00 pm - 2:32 pmABE-ORD
2h 32mnonstop
United Airlines Logo
8:45 am - 11:58 amORD-ABE
2h 13mnonstop
$284United Airlines
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Thu, Aug 21 - Mon, Aug 25

American Airlines flights from Allentown to Chicago O'Hare Intl Airport

Our best American Airlines deals on Allentown to Chicago O'Hare Intl Airport flight tickets
American Airlines
Sep 9
ABE2:37 pmAllentown-Bethlehem
4h 57m
1 stop
ORD6:34 pmChicago O'Hare Intl
Sep 13
ORD8:37 amChicago O'Hare Intl
4h 45m
1 stop
ABE2:22 pmAllentown-Bethlehem
$161
Find similar
American Airlines
Aug 5
ABE8:03 pmAllentown-Bethlehem
4h 54m
1 stop
ORD11:57 pmChicago O'Hare Intl
Aug 9
ORD7:13 amChicago O'Hare Intl
5h 13m
1 stop
ABE1:26 pmAllentown-Bethlehem
$171
Find similar
American Airlines
Aug 22
ABE2:56 pmAllentown-Bethlehem
4h 33m
1 stop
ORD6:29 pmChicago O'Hare Intl
Aug 26
ORD8:37 amChicago O'Hare Intl
4h 49m
1 stop
ABE2:26 pmAllentown-Bethlehem
$181
Find similar

Delta flights from Allentown to Chicago O'Hare Intl Airport

Our best Delta deals on Allentown to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 11
ABE5:40 pmAllentown-Bethlehem
7h 13m
1 stop
ORD11:53 pmChicago O'Hare Intl
Oct 14
ORD10:35 amChicago O'Hare Intl
11h 17m
2 stops
ABE10:52 pmAllentown-Bethlehem
$214
Find similar
Delta
Oct 11
ABE5:40 pmAllentown-Bethlehem
7h 13m
1 stop
ORD11:53 pmChicago O'Hare Intl
Oct 15
ORD6:00 amChicago O'Hare Intl
5h 08m
1 stop
ABE12:08 pmAllentown-Bethlehem
$221
Find similar
Delta
Aug 30
ABE12:56 pmAllentown-Bethlehem
8h 27m
2 stops
ORD8:23 pmChicago O'Hare Intl
Aug 31
ORD5:45 amChicago O'Hare Intl
5h 31m
1 stop
ABE12:16 pmAllentown-Bethlehem
$258
Find similar

See travel insights to Chicago from

How to get the cheapest flight ticket from Allentown to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Allentown averaging around $343.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $501. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $683.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Allentown in the evening is the least expensive time of day to depart. momondo users have found prices as low as $312 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $589. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Allentown-Bethlehem to Chicago O'Hare Intl flight route?

Fly from Allentown-Bethlehem to Chicago O'Hare Intl for the best Allentown-Bethlehem - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Allentown for as low as $317 on momondo.

What cabin class options are available on Allentown-Bethlehem to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Allentown-Bethlehem to Chicago O'Hare Intl 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 Allentown to Chicago O'Hare Intl Airport flights?

You could potentially save up to 55% on your flight if you consider stops on a Allentown to Chicago O'Hare Intl Airport flight.

How have Allentown to Chicago O'Hare Intl Airport flight prices changed over time?

As of July 2025, prices for Allentown to Chicago O'Hare Intl Airport flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Allentown to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Chicago O'Hare Intl Airport (ABE to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Chicago O'Hare Intl Airport

Best Price Found

$101

Fastest flight time

2h 20m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Allentown in the past 72 hours is $101. The best round-trip flight deal from Allentown to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $161.
The fastest flight from Allentown to Chicago O'Hare Intl Airport takes 2h 20m
Direct flights go from Allentown to Chicago O'Hare Intl Airport every day.
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  • How far is Allentown-Bethlehem to Chicago O'Hare Intl by plane?

    Allentown-Bethlehem and Chicago O'Hare Intl are 651.5 mi apart from one another. In terms of flight time, this usually takes a little over 2h 32m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl 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 Allentown to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Allentown to Chicago O'Hare Intl Airport?

Best airlines flying from Allentown to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Allentown to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights

  • United Airlines Flights From Allentown to Chicago O'Hare Intl Airport

    United Airlines flight deals from Allentown to Chicago O'Hare Intl Airport start from $269 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $471 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Tinley Park
Hammond
Elgin
Aurora
Orland Park
Janesville
Waukegan

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Chicago?

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 Chicago from Allentown.

Can I find flights from Allentown to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Allentown with this policy.

How can momondo help me find flights from Allentown to Chicago?

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 Allentown to Chicago.

I’m not ready to book a flight from Allentown to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Allentown to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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