What is the cheapest airline that flies from Allentown-Bethlehem to Chicago?

United Airlines, American Airlines, and Allegiant Air are the most popular carriers operating from Allentown-Bethlehem to Chicago

What airlines fly to Chicago?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago from Allentown according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 6 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Allentown to Chicago?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $196.

How many flights depart from Allentown to Chicago on average per week?

The number of flights available between Allentown and Chicago is 24 per week as of October 2025. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.

Which layover airport has the shortest travel time from Allentown to Chicago?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 5h 24m.

How many flights depart from Allentown to Chicago on average per day?

3 flights are operational daily from Allentown to Chicago as of October 2025. The most popular departure time for this route is 6:00AM, with 66% of flights per day taking off in the afternoon.

Which airport is the most popular layover for flights between Allentown and Chicago?

Philadelphia (PHL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Allentown to Chicago?

Charlotte (CLT) has the shortest average layover time for this route: 1h 38m.

When did momondo last update prices for flights from Allentown-Bethlehem Airport to Chicago?

Prices for flights from Allentown-Bethlehem Airport to Chicago refresh daily.

How many operators does momondo search for flights from Allentown-Bethlehem Airport to Chicago?

The number of operators available for flights from Allentown-Bethlehem Airport to Chicago is 3 as of October 2025.

How old do you have to be to fly from Allentown-Bethlehem Airport to Chicago?

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.

What documentation or ID do you need to fly to Chicago?

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$112 Cheap Flights from Allentown to Chicago in 2025/26

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Cheap round-trip flights

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8:30 am - 2:19 pmABE-ORD

30h 49m1 stop

7:00 am - 9:45 pmORD-ABE

13h 45m1 stop

$221Multiple Airlines

Find Deal

Thu, Jan 29 - Sun, Feb 1

7:15 am - 11:56 pmABE-ORD

17h 41m1 stop

8:15 am - 2:59 pmORD-ABE

29h 44m1 stop

$227Multiple Airlines

Find Deal

Sun, Dec 21 - Wed, Jan 7

12:54 pm - 6:43 pmABE-ORD

6h 49m1 stop

4:20 pm - 10:11 pmORD-ABE

4h 51m1 stop

$229Delta

Find Deal

Tue, Dec 9 - Sun, Dec 14

5:40 pm - 9:46 pmABE-MDW

5h 06m1 stop

10:35 am - 5:13 pmMDW-ABE

5h 38m1 stop

$229Delta

Find Deal

Sat, Feb 21 - Tue, Feb 24

12:54 pm - 8:35 pmABE-ORD

8h 41m2 stops

1:20 pm - 10:11 pmORD-ABE

7h 51m1 stop

$234Delta

Find Deal

Tue, Dec 9 - Sun, Dec 14

5:40 pm - 9:46 pmABE-MDW

5h 06m1 stop

9:30 am - 5:13 pmMDW-ABE

6h 43m2 stops

$234Delta

Find Deal

Sat, Feb 21 - Tue, Feb 24

5:22 pm - 6:55 pmABE-ORD

2h 33mnonstop

1:43 pm - 4:47 pmORD-ABE

2h 04mnonstop

$247United Airlines

Find Deal

Wed, Nov 26 - Sat, Nov 29

6:16 am - 10:44 amABE-ORD

5h 28m1 stop

5:00 am - 1:15 pmORD-ABE

7h 15m1 stop

$258American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

5:32 pm - 6:46 pmABE-ORD

2h 14mnonstop

10:44 am - 1:55 pmORD-ABE

2h 11mnonstop

$260United Airlines

Find Deal

Fri, Apr 3 - Sat, Apr 4

12:45 pm - 6:13 pmABE-ORD

6h 28m1 stop

5:00 am - 11:31 amORD-ABE

5h 31m1 stop

$284American Airlines

Find Deal

Tue, Feb 24 - Sun, Mar 1

Delta flights from Allentown to Chicago

Our best Delta deals on Allentown to Chicago flight tickets

Delta

Dec 9

ABE12:54 pmAllentown-Bethlehem

6h 49m

1 stop

ORD6:43 pmChicago O'Hare Intl

Dec 14

ORD4:20 pmChicago O'Hare Intl

4h 51m

1 stop

ABE10:11 pmAllentown-Bethlehem

$229

Find similar

Delta

Dec 9

ABE12:54 pmAllentown-Bethlehem

8h 41m

2 stops

ORD8:35 pmChicago O'Hare Intl

Dec 14

ORD1:20 pmChicago O'Hare Intl

7h 51m

1 stop

ABE10:11 pmAllentown-Bethlehem

$234

Find similar

Delta

Dec 9

ABE6:25 amAllentown-Bethlehem

11h 32m

2 stops

ORD4:57 pmChicago O'Hare Intl

Dec 16

ORD10:45 amChicago O'Hare Intl

10h 26m

2 stops

ABE10:11 pmAllentown-Bethlehem

$239

Find similar

United Airlines flights from Allentown to Chicago

Our best United Airlines deals on Allentown to Chicago flight tickets

United Airlines

Nov 26

ABE5:22 pmAllentown-Bethlehem

2h 33m

ORD6:55 pmChicago O'Hare Intl

Nov 29

ORD1:43 pmChicago O'Hare Intl

2h 04m

ABE4:47 pmAllentown-Bethlehem

$247

Find similar

United Airlines

Apr 3

ABE5:32 pmAllentown-Bethlehem

2h 14m

ORD6:46 pmChicago O'Hare Intl

Apr 4

ORD10:44 amChicago O'Hare Intl

2h 11m

ABE1:55 pmAllentown-Bethlehem

$260

Find similar

United Airlines

Dec 23

ABE6:17 amAllentown-Bethlehem

2h 43m

ORD8:00 amChicago O'Hare Intl

Dec 26

ORD6:37 pmChicago O'Hare Intl

2h 10m

ABE9:47 pmAllentown-Bethlehem

$264

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/29

8:30 am-2:19 pm

1 stop30h 49m

Chicago O'Hare Intl

Sun 2/1

7:00 am-9:45 pm

1 stop13h 45m

$221

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 12/21

7:15 am-11:56 pm

1 stop17h 41m

Chicago O'Hare Intl

Wed 1/7

8:15 am-2:59 pm

1 stop29h 44m

$227

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 12/9

12:54 pm-6:43 pm

1 stop6h 49m

Chicago O'Hare Intl

Sun 12/14

4:20 pm-10:11 pm

1 stop4h 51m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 2/21

5:40 pm-9:46 pm

1 stop5h 06m

Chicago Midway

Tue 2/24

10:35 am-5:13 pm

1 stop5h 38m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 12/9

12:54 pm-8:35 pm

2 stops8h 41m

Chicago O'Hare Intl

Sun 12/14

1:20 pm-10:11 pm

1 stop7h 51m

$234

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 2/21

5:40 pm-9:46 pm

1 stop5h 06m

Chicago Midway

Tue 2/24

9:30 am-5:13 pm

2 stops6h 43m

$234

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 11/26

5:22 pm-6:55 pm

Nonstop2h 33m

Chicago O'Hare Intl

Sat 11/29

1:43 pm-4:47 pm

Nonstop2h 04m

$247

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 11/22

6:16 am-10:44 am

1 stop5h 28m

Chicago O'Hare Intl

Mon 11/24

5:00 am-1:15 pm

1 stop7h 15m

$258

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 4/3

5:32 pm-6:46 pm

Nonstop2h 14m

Chicago O'Hare Intl

Sat 4/4

10:44 am-1:55 pm

Nonstop2h 11m

$260

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 2/24

12:45 pm-6:13 pm

1 stop6h 28m

Chicago O'Hare Intl

Sun 3/1

5:00 am-11:31 am

1 stop5h 31m

$284

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How to get the cheapest flight ticket from Allentown to Chicago

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Allentown, with most prices found around $279. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Allentown to Chicago during January average around $289.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $483. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Chicago for around $680.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Allentown to Chicago during this time can be as low as $281. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $590.

What is the cheapest Allentown-Bethlehem to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Allentown for as low as $317 on momondo.

What cabin class options are available on Allentown-Bethlehem to Chicago flights?

There are 4 cabin classes available to choose from on Allentown-Bethlehem to Chicago 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 flights?

You could potentially save up to 55% on your flight if you consider stops on a Allentown to Chicago flight.

How have Allentown to Chicago flight prices changed over time?

When to book flights from Allentown to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Allentown to Chicago (ABE to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Chicago

Best Price Found	$289
Fastest flight time	2h 14m
Direct flights	Every day
Airports in Chicago	1 airport

The best one-way flight to Chicago from Allentown in the past 72 hours is $289. The best round-trip flight deal from Allentown to Chicago found on momondo in the last 72 hours is $304.

The fastest flight from Allentown to Chicago takes 2h 14m

Direct flights go from Allentown to Chicago every day.

There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

Search flight deals

How far is Allentown-Bethlehem to Chicago by plane?
A flight from Allentown-Bethlehem to Chicago will travel around 636.8 mi. In terms of flight time, this usually takes a little over 2h 14m.
When did momondo last update prices for flights from Allentown-Bethlehem Airport to Chicago?
Prices for flights from Allentown-Bethlehem Airport to Chicago refresh daily.
How many operators does momondo search for flights from Allentown-Bethlehem Airport to Chicago?
The number of operators available for flights from Allentown-Bethlehem Airport to Chicago is 3 as of October 2025.
How old do you have to be to fly from Allentown-Bethlehem Airport to Chicago?
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.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Allentown to Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Allentown to Chicago is Canadair (Bombardier) Regional Jet CRJ-550 (29.55% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet (14.20%), Boeing 737-900 (6.82%), and Boeing 737-800 (5.26%).
What is the most popular airline from Allentown to Chicago?
momondo data reveals that the most frequently booked airline on the route from Allentown to Chicago is United Airlines, representing 77% of all bookings. The subsequent popular airline is American Airlines at 23%.

Best airlines flying from Allentown to Chicago

Compare and see reviews for airlines that fly from Allentown to Chicago with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,035 reviews	Search American Airlines flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Delta	PriceFrom $268	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights

United Airlines Flights From Allentown to Chicago
United Airlines flight deals from Allentown to Chicago start from $211 round-trip. Over the 12 United Airlines flights for this route in a normal week, average airfare is usually $490 round-trip - but some users have found much cheaper deals with momondo.

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

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

It is quick and easy to find Allentown to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from Allentown which offer a flexible booking policy as well as other useful filters and features.

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.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Chicago Greater Rockford Airport

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Flights to Bostonfrom $60

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Flights to Denverfrom $47

Cheap flights from Allentown to Chicago from $112

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 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Delta flights from Allentown to Chicago

Our best Delta deals on Allentown to Chicago flight tickets

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Our best United Airlines deals on Allentown to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from Allentown to Chicago

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?

The month of February is, on average, the cheapest month to fly to Chicago from Allentown, with most prices found around $279. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Allentown to Chicago during January average around $289.

What is the cheapest day to depart on your flight to Chicago?

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Allentown to Chicago during this time can be as low as $281. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $590.

What is the cheapest Allentown-Bethlehem to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

What cabin class options are available on Allentown-Bethlehem to Chicago flights?

There are 4 cabin classes available to choose from on Allentown-Bethlehem to Chicago 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 flights?

You could potentially save up to 55% on your flight if you consider stops on a Allentown to Chicago flight.

How have Allentown to Chicago flight prices changed over time?

What is the cheapest airline that flies from Allentown-Bethlehem to Chicago?

United Airlines, American Airlines, and Allegiant Air are the most popular carriers operating from Allentown-Bethlehem to Chicago

What airlines fly to Chicago?

Which airport is the most popular layover for flights between Allentown and Chicago?

Philadelphia (PHL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Allentown to Chicago?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $196.

Which layover airport has the shortest travel time from Allentown to Chicago?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 5h 24m.

Which layover airport has the shortest connection time from Allentown to Chicago?

Charlotte (CLT) has the shortest average layover time for this route: 1h 38m.

How many flights depart from Allentown to Chicago on average per day?

3 flights are operational daily from Allentown to Chicago as of October 2025. The most popular departure time for this route is 6:00AM, with 66% of flights per day taking off in the afternoon.

How many flights depart from Allentown to Chicago on average per week?

The number of flights available between Allentown and Chicago is 24 per week as of October 2025. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.

When to book flights from Allentown to Chicago

Cheap Allentown to Chicago (ABE to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

How far is Allentown-Bethlehem to Chicago by plane?

When did momondo last update prices for flights from Allentown-Bethlehem Airport to Chicago?

How many operators does momondo search for flights from Allentown-Bethlehem Airport to Chicago?

How old do you have to be to fly from Allentown-Bethlehem Airport to Chicago?

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from Allentown to Chicago?

What is the most popular airline from Allentown to Chicago?

Best airlines flying from Allentown to Chicago

Compare and see reviews for airlines that fly from Allentown to Chicago with momondo

United Airlines Flights From Allentown to Chicago

Traveling to a place near Chicago?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States