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 45% 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.

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

The number of flights available between Allentown and Chicago is 38 per week as of February 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

Delta is the most popular carrier operating from Allentown-Bethlehem to Chicago

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

5 flights are operational daily from Allentown to Chicago as of February 2026. The most popular departure time for this route is 6:00AM, with 70% of flights per day taking off at noon.

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 February 2026.

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.

$127 Cheap Flights from Allentown to Chicago in 2026

Q: What is the typical price of a round-trip flight between Allentown and Chicago?

Prices are currently low for flights on this route. Typical prices usually range from $264 to $396. The lowest price recently found on this route was $209.

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Find the cheapest flights from Allentown to Chicago

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:23 pm - 6:55 pm

ABE

ORD

2h 32mnonstop

7:00 am - 9:56 am

ORD

ABE

1h 56mnonstop

$209United Airlines

Mon, Mar 2 - Mon, Mar 9

12:50 pm - 7:40 pm

ABE

ORD

7h 50m

1 stop

5:00 am - 11:30 am

ORD

ABE

5h 30m

1 stop

$229American Airlines

Tue, Feb 24 - Sun, Mar 1

5:58 pm - 11:56 pm

ABE

ORD

6h 58m

1 stop

7:10 am - 5:17 pm

ORD

ABE

9h 07m

2 stops

$234Delta

Mon, Mar 2 - Mon, Mar 9

5:58 pm - 10:31 pm

ABE

MDW

5h 33m

1 stop

9:35 am - 5:17 pm

MDW

ABE

6h 42m

2 stops

$234Delta

Mon, Mar 2 - Mon, Mar 9

10:36 am - 12:10 pm

ABE

ORD

2h 34mnonstop

8:45 am - 11:50 am

ORD

ABE

2h 05mnonstop

$249United Airlines

Tue, Feb 17 - Sat, Feb 21

5:58 pm - 10:31 pm

ABE

MDW

5h 33m

1 stop

10:49 am - 5:12 pm

MDW

ABE

5h 23m

1 stop

$249Delta

Fri, Feb 20 - Mon, Feb 23

6:15 am - 7:40 am

ABE

ORD

2h 25mnonstop

7:00 am - 9:58 am

ORD

ABE

1h 58mnonstop

$250United Airlines

Thu, Apr 23 - Tue, Apr 28

6:30 am - 12:09 pm

ABE

ORD

6h 39m

1 stop

10:35 am - 10:56 pm

ORD

ABE

11h 21m

2 stops

$254Delta

Tue, Jun 2 - Tue, Jun 9

6:28 am - 11:59 am

ABE

MDW

6h 31m

1 stop

1:10 pm - 10:56 pm

MDW

ABE

8h 46m

2 stops

$254Delta

Tue, Mar 3 - Tue, Mar 10

6:28 am - 4:41 pm

ABE

ORD

11h 13m

2 stops

7:10 am - 5:17 pm

ORD

ABE

9h 07m

2 stops

$259Delta

Tue, Mar 3 - Tue, Mar 10

United Airlines flights from Allentown to Chicago

Our best United Airlines deals on Allentown to Chicago flight tickets

United Airlines

Mar 2

ABE5:23 pmAllentown-Bethlehem

2h 32m

ORD6:55 pmChicago O'Hare Intl

Mar 9

ORD7:00 amChicago O'Hare Intl

1h 56m

ABE9:56 amAllentown-Bethlehem

$209

United Airlines

Feb 17

ABE10:36 amAllentown-Bethlehem

2h 34m

ORD12:10 pmChicago O'Hare Intl

Feb 21

ORD8:45 amChicago O'Hare Intl

2h 05m

ABE11:50 amAllentown-Bethlehem

$249

United Airlines

Apr 23

ABE6:15 amAllentown-Bethlehem

2h 25m

ORD7:40 amChicago O'Hare Intl

Apr 28

ORD7:00 amChicago O'Hare Intl

1h 58m

ABE9:58 amAllentown-Bethlehem

$250

Delta flights from Allentown to Chicago

Our best Delta deals on Allentown to Chicago flight tickets

Delta

Mar 2

ABE5:58 pmAllentown-Bethlehem

6h 58m

1 stop

ORD11:56 pmChicago O'Hare Intl

Mar 9

ORD7:10 amChicago O'Hare Intl

9h 07m

2 stops

ABE5:17 pmAllentown-Bethlehem

$234

Delta

Feb 20

ABE5:58 pmAllentown-Bethlehem

5h 33m

1 stop

MDW10:31 pmChicago Midway

Feb 23

MDW10:49 amChicago Midway

5h 23m

1 stop

ABE5:12 pmAllentown-Bethlehem

$249

Delta

Jun 2

ABE6:30 amAllentown-Bethlehem

6h 39m

1 stop

ORD12:09 pmChicago O'Hare Intl

Jun 9

ORD10:35 amChicago O'Hare Intl

11h 21m

2 stops

ABE10:56 pmAllentown-Bethlehem

$254

Fly from

Fly to

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 3/2

5:23 pm-6:55 pm

Nonstop2h 32m

Chicago O'Hare Intl

Mon 3/9

7:00 am-9:56 am

Nonstop1h 56m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 2/24

12:50 pm-7:40 pm

1 stop7h 50m

Chicago O'Hare Intl

Sun 3/1

5:00 am-11:30 am

1 stop5h 30m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 3/2

5:58 pm-11:56 pm

1 stop6h 58m

Chicago O'Hare Intl

Mon 3/9

7:10 am-5:17 pm

2 stops9h 07m

$234

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Mon 3/2

5:58 pm-10:31 pm

1 stop5h 33m

Chicago Midway

Mon 3/9

9:35 am-5:17 pm

2 stops6h 42m

$234

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 2/17

10:36 am-12:10 pm

Nonstop2h 34m

Chicago O'Hare Intl

Sat 2/21

8:45 am-11:50 am

Nonstop2h 05m

$249

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Fri 2/20

5:58 pm-10:31 pm

1 stop5h 33m

Chicago Midway

Mon 2/23

10:49 am-5:12 pm

1 stop5h 23m

$249

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 4/23

6:15 am-7:40 am

Nonstop2h 25m

Chicago O'Hare Intl

Tue 4/28

7:00 am-9:58 am

Nonstop1h 58m

$250

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 6/2

6:30 am-12:09 pm

1 stop6h 39m

Chicago O'Hare Intl

Tue 6/9

10:35 am-10:56 pm

2 stops11h 21m

$254

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Tue 3/3

6:28 am-11:59 am

1 stop6h 31m

Chicago Midway

Tue 3/10

1:10 pm-10:56 pm

2 stops8h 46m

$254

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 3/3

6:28 am-4:41 pm

2 stops11h 13m

Chicago O'Hare Intl

Tue 3/10

7:10 am-5:17 pm

2 stops9h 07m

$259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Other information

What is the typical price of a round-trip flight between Allentown and Chicago?

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 $288. 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 $309.

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 Saturday when prices can be found for as low as $464. 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 $681.

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 at noon. Flights from Allentown to Chicago during this time can be as low as $483. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $562.

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 $431 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 $330 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 51% on your flight if you consider stops on a Allentown to Chicago flight.

How have Allentown to Chicago flight prices changed over time?

As of February 2026, prices for Allentown to Chicago flights are approximately 69% more expensive when compared to flights at the same time last year.

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	$261
Fastest flight time	2h 22m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from Allentown in the past 72 hours is $261. The best round-trip flight deal from Allentown to Chicago found on momondo in the last 72 hours is $339.

The fastest flight from Allentown to Chicago takes 2h 22m

Direct flights go from Allentown to Chicago every day.

There are 3 airports in Chicago. From Allentown there are direct flights to 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 22m.
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 February 2026.
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 (23.19% of total bookings). The next most popular plane models are Airbus A321neo (7.23%), Boeing 737-900 (6.38%), and Boeing 737 MAX 9 (5.74%).
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 79% of all bookings. The subsequent popular airline is American Airlines at 21%.

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 11,212 reviews	Search American Airlines flights
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 9,229 reviews	Search United Airlines flights
Delta	PriceFrom $229	Free Cancellation	Rating 7.9 8,130 reviews	Search Delta flights

United Airlines Flights From Allentown to Chicago
United Airlines flight deals from Allentown to Chicago start from $210 round-trip. Over the 19 United Airlines flights for this route in a normal week, average airfare is usually $482 round-trip - but some users have found much cheaper deals with momondo.

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Munster

Crown Point

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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Wed 3/11

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Cheap flights from Allentown to Chicago from $127

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 5/4. 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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United Airlines flights from Allentown to Chicago

Our best United Airlines deals on Allentown to Chicago flight tickets

Delta flights from Allentown to Chicago

Our best Delta deals on Allentown to Chicago flight tickets

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Use the filters below to find and compare flights from Allentown to Chicago that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Allentown to Chicago

What is the typical price of a round-trip flight between Allentown and Chicago?

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 $288. 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 $309.

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 at noon. Flights from Allentown to Chicago during this time can be as low as $483. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $562.

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 51% on your flight if you consider stops on a Allentown to Chicago flight.

How have Allentown to Chicago flight prices changed over time?

As of February 2026, prices for Allentown to Chicago flights are approximately 69% more expensive when compared to flights at the same time last year.

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

Delta is the most popular carrier operating from Allentown-Bethlehem to Chicago

What airlines fly to Chicago?

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

5 flights are operational daily from Allentown to Chicago as of February 2026. The most popular departure time for this route is 6:00AM, with 70% of flights per day taking off at noon.

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

The number of flights available between Allentown and Chicago is 38 per week as of February 2026. The most frequent departure day is Mon, with 16% 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

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago