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

Currently priced at $159, 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $197 and $259, respectively. American Airlines is currently priced 61% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Allentown to Chicago O'Hare Intl Airport one-way?

The cheapest airlines for a one-way flight from Allentown to Chicago O'Hare Intl Airport are Delta ($105), American Airlines ($110), and United Airlines ($242).

What is the cheapest day to fly from Allentown to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Allentown to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $660, our data shows the cheapest flight currently is $192. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $212 for that flight.

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: GoJet (69%), Air New Zealand (69%), United Airlines (46%).

What is the cheapest day to fly round-trip from Allentown to Chicago O'Hare Intl Airport?

Travelers have found that booking a Friday departure is the best way to save up to 42% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Our data shows that January tends to be the cheapest month to fly to Chicago O'Hare Intl Airport from Allentown. Users have commonly found prices around $383 for the month, but tickets can be as low as $194. Due to multiple factors, prepare for potentially higher prices in March.

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.

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.

$92+ Flights from Allentown to Chicago O'Hare Intl Airport

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Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago O'Hare Intl are usually found in February or December, booked 72 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Allentown to O'Hare Intl

Round-trip from	$159 (American Airlines)
One-way from	$92 (Mytrip)
Popular in	October
Cheapest in	February
Average price	$479
Good round-trip deal	$423 or less
Good one-way deal	$268 or less

From Allentown-Bethlehem to Chicago O'Hare Intl

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One-way flight from Allentown-Bethlehem to Chicago O'Hare Intl

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Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Allentown-Bethlehem to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Allentown-Bethlehem to Chicago O'Hare Intl.

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Find 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 June 12, 2025.

Sat 8/168:07 pmABE - ORD

1 stop4h 41mAmerican Airlines

Tue 8/198:37 amORD - ABE

1 stop4h 49mAmerican Airlines

Deal found 6/10

$159

Tue 8/266:00 amABE - ORD

1 stop7h 16mDelta

Wed 9/33:30 pmORD - ABE

1 stop6h 09mDelta

Deal found 6/11

$197

Thu 7/318:17 pmABE - ORD

1 stop26h 13mMultiple Airlines

Thu 8/711:11 amORD - ABE

1 stop11h 03mMultiple Airlines

Deal found 6/11

$212

Sat 6/286:30 amABE - ORD

Nonstop2h 23mUnited Airlines

Tue 7/16:35 pmORD - ABE

Nonstop2h 20mUnited Airlines

Deal found 6/10

$259

Best flights from Allentown to O'Hare Intl
Discover carefully curated flight deals from Allentown to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sat 8/168:07 pmABE - ORD

1 stop4h 41mAmerican Airlines

Tue 8/198:37 amORD - ABE

1 stop4h 49mAmerican Airlines

Deal found 6/10

$159

Tue 8/266:00 amABE - ORD

1 stop7h 16mDelta

Wed 9/33:30 pmORD - ABE

1 stop6h 09mDelta

Deal found 6/11

$197

Thu 7/318:17 pmABE - ORD

1 stop26h 13mMultiple Airlines

Thu 8/711:11 amORD - ABE

1 stop11h 03mMultiple Airlines

Deal found 6/11

$212

Sat 6/286:30 amABE - ORD

Nonstop2h 23mUnited Airlines

Tue 7/16:35 pmORD - ABE

Nonstop2h 20mUnited Airlines

Deal found 6/10

$259

Last-minute flights from Allentown to O'Hare Intl
Discover last-minute flight deals from Allentown to O'Hare Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/178:02 pmABE - ORD

1 stop4h 55mAmerican Airlines

Sat 6/216:25 pmORD - ABE

1 stop4h 55mAmerican Airlines

Deal found 6/11

$259

Tue 6/1712:57 pmABE - ORD

2 stops8h 30mDelta

Sat 6/217:05 amORD - ABE

2 stops9h 20mDelta

Deal found 6/12

$379

Wed 6/186:30 amABE - ORD

Nonstop2h 23mUnited Airlines

Sat 6/216:35 pmORD - ABE

Nonstop2h 20mUnited Airlines

Deal found 6/10

$539

Fri 6/2012:59 pmABE - ORD

1 stop19h 25mMultiple Airlines

Mon 6/231:34 pmORD - ABE

1 stop8h 10mMultiple Airlines

Deal found 6/11

$373

Sat 6/286:30 amABE - ORD

Nonstop2h 23mUnited Airlines

Tue 7/16:35 pmORD - ABE

Nonstop2h 20mUnited Airlines

Deal found 6/10

$259

Fri 7/412:57 pmABE - ORD

2 stops8h 30mDelta

Tue 7/83:29 pmORD - ABE

1 stop6h 01mDelta

Deal found 6/12

$234

Sat 7/268:03 pmABE - ORD

1 stop4h 54mAmerican Airlines

Sat 8/26:25 pmORD - ABE

1 stop5h 02mAmerican Airlines

Deal found 6/11

$209

Thu 7/318:17 pmABE - ORD

1 stop26h 13mMultiple Airlines

Thu 8/711:11 amORD - ABE

1 stop11h 03mMultiple Airlines

Deal found 6/11

$212

One-way flights from Allentown to O'Hare Intl
Search for one-way flight options from Allentown to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 8/219:15 pmABE - ORD

1 stop20h 33mMultiple Airlines

Deal found 6/11

$92

Sat 7/126:14 pmABE - ORD

1 stop6h 55mDelta

Deal found 6/11

$105

Sun 6/158:02 pmABE - ORD

1 stop4h 55mAmerican Airlines

Deal found 6/11

$110

Thu 7/35:35 pmABE - ORD

Nonstop2h 20mUnited Airlines

Deal found 6/9

$242

Cheapflights Fare Finder

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

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 8/16

8:07 pm-11:48 pm

1 stop4h 41m

Chicago O'Hare Intl

Tue 8/19

8:37 am-2:26 pm

1 stop4h 49m

$159

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 8/26

6:00 am-12:16 pm

1 stop7h 16m

Chicago O'Hare Intl

Wed 9/3

3:30 pm-10:39 pm

1 stop6h 09m

$197

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 7/31

8:17 pm-9:30 pm

1 stop26h 13m

Chicago O'Hare Intl

Thu 8/7

11:11 am-11:14 pm

1 stop11h 03m

$212

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 6/28

6:30 am-7:53 am

Nonstop2h 23m

Chicago O'Hare Intl

Tue 7/1

6:35 pm-9:55 pm

Nonstop2h 20m

$259

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 8/21

9:15 pm-4:48 pm

1 stop20h 33m

$92

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 9/27

5:40 pm-11:53 pm

1 stop7h 13m

$99

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 8/21

8:07 pm-11:48 pm

1 stop4h 41m

$100

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 7/3

5:35 pm-6:55 pm

Nonstop2h 20m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 72 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, August is the cheapest month in which you can book a flight from Allentown to Chicago O'Hare Intl Airport (average of $245). Flying from Allentown to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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?

It’s typically best to fly out from Allentown to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Allentown to Chicago O'Hare Intl Airport

The most flights from ABE to ORD are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Allentown to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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.
What are the cheapest airlines flying from Allentown to Chicago O'Hare Intl Airport round-trip?
Currently priced at $159, 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $197 and $259, respectively. American Airlines is currently priced 61% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Allentown to Chicago O'Hare Intl Airport one-way?
The cheapest airlines for a one-way flight from Allentown to Chicago O'Hare Intl Airport are Delta ($105), American Airlines ($110), and United Airlines ($242).
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: GoJet (69%), Air New Zealand (69%), United Airlines (46%).
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 $660, our data shows the cheapest flight currently is $192. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $212 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, August is the cheapest month in which you can book a flight from Allentown to Chicago O'Hare Intl Airport (average of $245). Flying from Allentown to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

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Top 2 airlines flying from Allentown to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$196	Average$281	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$262	Average$454	FlexibilityNo cancel fee	On-time69%

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$92+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Allentown to O'Hare Intl with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago O'Hare Intl are usually found in February or December, booked 72 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Allentown to O'Hare Intl

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One-way from

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Cheapest in

Average price

Good round-trip deal

Good one-way deal

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Cheapest flights from Allentown to O'Hare IntlExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Allentown to Chicago O'Hare Intl Airport that are best for you.

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.

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?

Use this chart to determine the optimal time to book a round-trip flight from Allentown to O'Hare Intl. Price data was last updated on June 9, 2025.

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

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 June 12, 2025.

Weekly flight availability from Allentown to Chicago O'Hare Intl Airport

Explore weekly flight availability from Allentown to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Allentown to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines to fly from Allentown to Chicago O'Hare Intl Airport one-way?

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

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

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

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

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

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

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Alternative routes for Allentown to O'Hare Intl

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Top 2 airlines flying from Allentown to O'Hare Intl

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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 June 12, 2025.