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Cheap flights from Allentown to Chicago from $114

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 9/14. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Allentown to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 am - 2:45 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
8h 00m1 stop Fort Lauderdale
Multiple Airlines Logo
3:50 pm - 9:28 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
28h 38m1 stop Orlando
$271Multiple Airlines
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
3:00 pm - 9:20 amABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
19h 20m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:11 am - 2:21 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
30h 10m1 stop Fort Lauderdale
$272Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Multiple Airlines Logo
7:45 am - 2:45 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
8h 00m1 stop Fort Lauderdale
Multiple Airlines Logo
3:50 pm - 9:28 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
28h 38m1 stop Orlando
$272Multiple Airlines
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
3:00 pm - 2:45 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
24h 45m1 stop Fort Lauderdale
Multiple Airlines Logo
7:11 am - 9:37 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
13h 26m1 stop Fort Lauderdale
$274Multiple Airlines
Sun, Sep 13 - Thu, Sep 17
United Airlines Logo
5:43 pm - 7:05 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 22mnonstop
United Airlines Logo
6:25 am - 9:35 amORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 10mnonstop
$279United Airlines
Sat, Oct 10 - Sun, Oct 11
United Airlines Logo
5:36 pm - 7:05 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 29mnonstop
United Airlines Logo
6:29 am - 9:39 amORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 10mnonstop
$279United Airlines
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
5:12 pm - 6:44 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 32mnonstop
American Airlines Logo
7:30 pm - 10:40 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 10mnonstop
$279American Airlines
Tue, Sep 1 - Mon, Sep 7
American Airlines Logo
5:12 pm - 6:44 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 32mnonstop
American Airlines Logo
7:30 pm - 10:40 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 10mnonstop
$279American Airlines
Tue, Sep 1 - Mon, Sep 7
United Airlines Logo
6:20 am - 7:49 amABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 29mnonstop
United Airlines Logo
6:25 am - 9:35 amORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 10mnonstop
$279United Airlines
Sat, Sep 26 - Tue, Sep 29
American Airlines Logo
5:10 pm - 6:48 pmABE  Allentown-Bethlehem-ORD Chicago O'Hare Intl
2h 38mnonstop
American Airlines Logo
7:00 pm - 10:18 pmORD  Chicago O'Hare Intl-ABE Allentown-Bethlehem
2h 18mnonstop
$279American Airlines
Thu, Sep 17 - Wed, Sep 23

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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 10
ABE5:10 pmAllentown-Bethlehem
2h 38m
ORD6:48 pmChicago O'Hare Intl
Sep 13
ORD6:59 pmChicago O'Hare Intl
2h 18m
ABE10:17 pmAllentown-Bethlehem
$279
American Airlines
Sep 26
ABE5:10 pmAllentown-Bethlehem
2h 38m
ORD6:48 pmChicago O'Hare Intl
Sep 29
ORD6:59 pmChicago O'Hare Intl
2h 18m
ABE10:17 pmAllentown-Bethlehem
$288
American Airlines
Sep 26
ABE5:10 pmAllentown-Bethlehem
2h 38m
ORD6:48 pmChicago O'Hare Intl
Sep 29
ORD6:59 pmChicago O'Hare Intl
2h 18m
ABE10:17 pmAllentown-Bethlehem
$320

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
Sep 26
ABE6:11 pmAllentown-Bethlehem
6h 48m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 29
ORD7:05 amChicago O'Hare Intl
9h 16m
2 stops
ABE5:21 pmAllentown-Bethlehem
$304
Delta
Sep 2
ABE6:16 amAllentown-Bethlehem
11h 01m
2 stops
ORD4:17 pmChicago O'Hare Intl
Sep 9
ORD11:17 amChicago O'Hare Intl
10h 09m
2 stops
ABE10:26 pmAllentown-Bethlehem
$309
Delta
Sep 9
ABE6:08 pmAllentown-Bethlehem
6h 51m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 12
ORD11:17 amChicago O'Hare Intl
9h 59m
2 stops
ABE10:16 pmAllentown-Bethlehem
$313

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Allentown to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Thu 10/1

7:45 am-2:45 pm

1 stop8h 00m

Chicago O'Hare Intl

Sun 10/4

3:50 pm-9:28 pm

1 stop28h 38m

$271

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Sun 9/27

3:00 pm-9:20 am

2 stops19h 20m

Chicago O'Hare Intl

Wed 9/30

7:11 am-2:21 pm

1 stop30h 10m

$272

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Thu 10/1

7:45 am-2:45 pm

1 stop8h 00m

Chicago O'Hare Intl

Sun 10/4

3:50 pm-9:28 pm

1 stop28h 38m

$272

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Sun 9/13

3:00 pm-2:45 pm

1 stop24h 45m

Chicago O'Hare Intl

Thu 9/17

7:11 am-9:37 pm

1 stop13h 26m

$274
Quickest round-trip

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Sat 10/10

5:43 pm-7:05 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/11

6:25 am-9:35 am

Nonstop2h 10m

$279

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Fri 9/11

5:36 pm-7:05 pm

Nonstop2h 29m

Chicago O'Hare Intl

Mon 9/14

6:29 am-9:39 am

Nonstop2h 10m

$279

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Tue 9/1

5:12 pm-6:44 pm

Nonstop2h 32m

Chicago O'Hare Intl

Mon 9/7

7:30 pm-10:40 pm

Nonstop2h 10m

$279

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Tue 9/1

5:12 pm-6:44 pm

Nonstop2h 32m

Chicago O'Hare Intl

Mon 9/7

7:30 pm-10:40 pm

Nonstop2h 10m

$279

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Sat 9/26

6:20 am-7:49 am

Nonstop2h 29m

Chicago O'Hare Intl

Tue 9/29

6:25 am-9:35 am

Nonstop2h 10m

$279

AllentownChicago

ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl

ABEORD

Allentown-Bethlehem

Thu 9/17

5:10 pm-6:48 pm

Nonstop2h 38m

Chicago O'Hare Intl

Wed 9/23

7:00 pm-10:18 pm

Nonstop2h 18m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Allentown and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $273 to $425.
The lowest price recently found on this route was $271.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Allentown averaging around $351.

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 Thursday when prices can be found for as low as $426. 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 $631.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $420 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $508. 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 from Allentown 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 $390 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 $269 on momondo.

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

There are 4 cabin classes available to choose from on Allentown to Chicago O'Hare Intl Airport 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 61% 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?

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

$273

Fastest flight time

2h 22m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Allentown in the past 72 hours is $273. The best round-trip flight deal from Allentown to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $371.
The fastest flight from Allentown to Chicago O'Hare Intl Airport takes 2h 22m
Direct flights go from Allentown to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Allentown to Chicago O'Hare Intl Airport

  • 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 22m.

  • 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
United AirlinesPriceFrom $209Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights
American AirlinesPriceFrom $229Free CancellationRating
7.1
11,923 reviews
Search American 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 $209 round-trip. Over the 19 United Airlines flights for this route in a normal week, average airfare is usually $424 round-trip - but some users have found much cheaper deals with momondo.

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

    The best American Airlines deal for Allentown to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $229, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $324 round-trip. American Airlines operates 13 flights out of Allentown into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 11,923 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Gurnee
Rosemont
Oak Brook
Orland Park
Naperville
Joliet
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Hammond
Racine
Aurora
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South Holland
Evanston

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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