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O'Hare Intl

$148+ Cheap flights from Allentown (ABE) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago O'Hare Intl are usually found in February or November, booked 4 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap flight deals from Allentown to O'Hare Intl

Cheapest flights from Allentown to O'Hare Intl
Explore the most affordable flight options available from Allentown to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This American Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:12 pm
ABE
-
ORD
Nonstop2h 32m
American Airlines
Sat 7/257:59 pm
ORD
-
ABE
Nonstop2h 09m
American Airlines
Deal found 5/20$269
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:10 pm
ABE
-
ORD
1 stop6h 49m
Delta
Sun 7/55:30 am
ORD
-
ABE
1 stop5h 57m
Delta
Deal found 5/17$289
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 pm
ABE
-
ORD
1 stop8h 17m
Delta
Mon 9/711:30 am
ORD
-
ABE
2 stops10h 26m
Delta
Deal found 5/18$294
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 pm
ABE
-
ORD
1 stop7h 10m
Delta
Sat 10/175:30 am
ORD
-
ABE
1 stop5h 34m
Delta
Deal found 5/18$298
This American Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:22 am
ABE
-
ORD
1 stop6h 58m
American Airlines
Thu 6/118:10 pm
ORD
-
ABE
Nonstop2h 09m
American Airlines
Deal found 5/20$299
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:08 pm
ABE
-
ORD
2 stops9h 44m
Delta
Tue 7/143:22 pm
ORD
-
ABE
1 stop6h 46m
Delta
Deal found 5/18$303
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:15 am
ABE
-
ORD
Nonstop2h 29m
United Airlines
Sun 8/236:29 am
ORD
-
ABE
Nonstop2h 10m
United Airlines
Deal found 5/16$304
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am
ABE
-
ORD
Nonstop2h 21m
American Airlines
Sun 9/277:05 pm
ORD
-
ABE
Nonstop2h 10m
American Airlines
Deal found 5/16$308
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:15 pm
ABE
-
ORD
1 stop5h 48m
Delta
Sun 6/285:30 am
ORD
-
ABE
1 stop5h 57m
Delta
Deal found 5/20$309
This American Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:01 am
ABE
-
ORD
Nonstop2h 29m
American Airlines
Sat 8/87:10 pm
ORD
-
ABE
Nonstop2h 11m
American Airlines
Deal found 5/17$310

Find flight deals from Allentown to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$148
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$406

Good round-trip deal

$381 or less

Good one-way deal

$285 or less
Provider with most accurate pricing for Allentown-Bethlehem-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Chicago O'Hare Intl flights.
Search Deals
From Allentown-Bethlehem to Chicago O'Hare Intl
Search Deals
One-way flight from Allentown-Bethlehem to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Allentown-Bethlehem to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Allentown-Bethlehem to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated May 21, 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 - ORD

ABEORD

Allentown-Bethlehem

Wed 6/24

1:12 pm-8:32 pm

1 stop8h 20m

Chicago O'Hare Intl

Sun 6/28

5:30 am-12:27 pm

1 stop5h 57m

$289

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 6/23

6:05 pm-11:59 pm

1 stop6h 54m

Chicago O'Hare Intl

Tue 6/30

5:30 am-12:27 pm

1 stop5h 57m

$289

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 9/4

5:40 pm-11:57 pm

1 stop7h 17m

Chicago O'Hare Intl

Mon 9/7

11:30 am-10:56 pm

2 stops10h 26m

$294

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 6/27

6:09 pm-12:04 am

1 stop6h 55m

Chicago O'Hare Intl

Tue 6/30

5:30 am-12:27 pm

1 stop5h 57m

$298

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 9/1

1:00 pm-8:17 pm

1 stop8h 17m

Chicago O'Hare Intl

Mon 9/7

11:30 am-10:56 pm

2 stops10h 26m

$314

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 10/14

5:40 pm-11:50 pm

1 stop7h 10m

Chicago O'Hare Intl

Sat 10/17

5:30 am-12:04 pm

1 stop5h 34m

$324

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 7/10

6:05 pm-11:53 pm

1 stop6h 48m

Chicago O'Hare Intl

Tue 7/14

12:27 pm-11:08 pm

2 stops9h 41m

$357
Quickest round-trip

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 7/24

1:08 pm-6:45 pm

1 stop6h 37m

Chicago O'Hare Intl

Mon 7/27

6:35 am-12:22 pm

1 stop4h 47m

$384

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 6/10

6:10 pm-11:59 pm

1 stop6h 49m

Chicago O'Hare Intl

Sun 6/14

5:30 am-12:27 pm

1 stop5h 57m

$429

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 10/16

1:00 pm-8:20 pm

1 stop8h 20m

Chicago O'Hare Intl

Sun 10/18

5:30 am-12:04 pm

1 stop5h 34m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Allentown to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to O'Hare Intl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Allentown to Chicago O'Hare Intl Airport?

The price you pay for your flight from Allentown to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 3 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Allentown to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Allentown to Chicago O'Hare Intl Airport (average of $336). Flying from Allentown to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to ORD?

Find hourly flight availability from Allentown to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 21, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Allentown to Chicago O'Hare Intl Airport as you normally would.

How much does it cost to fly round-trip from Allentown to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated May 21, 2026.
Read through reviews of airlines operating flights from Allentown to Chicago O'Hare Intl Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,748 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,748 reviews
United Airlines
7.4
Good
9,748 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,641 reviews
United Airlines
7.4
Good
9,748 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Allentown to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to Chicago O'Hare Intl?

    For a flight from Allentown to Chicago O'Hare Intl, you will be flying from Allentown-Bethlehem. Allentown-Bethlehem (ABE) is just 3.9 mi from the center of the city. Allentown-Bethlehem is the only Allentown airport and it handles 4 outbound flights to Chicago O'Hare Intl per day. 2 airlines have flights to Chicago O'Hare Intl from Allentown-Bethlehem on a regular basis.

  • How long is the flight from Allentown to Chicago O'Hare Intl Airport?

    For as low as $289, Delta can have you in Chicago O'Hare Intl Airport from Allentown in 6h 55m. Airlines will cover a distance of 652 mi.

  • What are the cheapest airlines flying from Allentown to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $204, American Airlines will fly you from Allentown to Chicago O'Hare Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $209. American Airlines is currently priced 48% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Allentown to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Allentown to Chicago O'Hare Intl Airport on time: Emirates (100%), Air New Zealand (65%), GoJet (64%).

  • What are the cheapest flights from Allentown to Chicago O'Hare Intl Airport?

    While on average a flight from Allentown to Chicago O'Hare Intl Airport is generally $672, our data shows the cheapest flight currently is $197. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $280 for that flight.

  • Can I find deals for flights from Allentown to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Allentown to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to O'Hare Intl.

  • Can I find deals for business class flights from Allentown to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Allentown to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Allentown to Chicago O'Hare Intl Airport (average of $336). Flying from Allentown to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Schaumburg
Benton Harbor
Naperville
Delavan
Oakbrook Terrace
Lake Geneva
Gurnee
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Great Lakes
Arlington Heights
Northbrook
Waukegan
Rockford

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Allentown to O'Hare Intl

Discover the top 2 airlines that operate flights from Allentown to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$204Average$319FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$436FlexibilityNo cancel feeOn-time69%

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