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Cheap flights from Allentown to Illinois 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 Illinois departing on 3/2. 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
0 bags

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Find the cheapest flights from Allentown to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:57 pm - 6:40 pm
ABE
-
ORD
2h 43mnonstop
United Airlines Logo
7:30 am - 10:41 am
ORD
-
ABE
2h 11mnonstop
$209United Airlines
Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
10:35 am - 11:56 am
ABE
-
ORD
2h 21mnonstop
United Airlines Logo
10:44 am - 1:55 pm
ORD
-
ABE
2h 11mnonstop
$220United Airlines
Wed, May 20 - Wed, May 27
United Airlines Logo
11:30 am - 1:13 pm
ABE
-
ORD
2h 43mnonstop
United Airlines Logo
7:30 am - 10:41 am
ORD
-
ABE
2h 11mnonstop
$229United Airlines
Thu, Feb 5 - Mon, Feb 9
Delta Logo
12:48 pm - 6:49 pm
ABE
-
ORD
7h 01m1 stop
Delta Logo
6:50 am - 5:14 pm
ORD
-
ABE
9h 24m2 stops
$234Delta
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
12:45 pm - 7:42 pm
ABE
-
ORD
7h 57m1 stop
American Airlines Logo
5:00 am - 11:31 am
ORD
-
ABE
5h 31m1 stop
$249American Airlines
Tue, Feb 24 - Sun, Mar 1
Delta Logo
12:48 pm - 5:29 pm
ABE
-
MDW
5h 41m1 stop
Delta Logo
10:46 am - 5:14 pm
MDW
-
ABE
5h 28m1 stop
$249Delta
Thu, Feb 5 - Mon, Feb 9
Delta Logo
12:48 pm - 6:49 pm
ABE
-
ORD
7h 01m1 stop
Delta Logo
6:50 am - 5:14 pm
ORD
-
ABE
9h 24m2 stops
$254Delta
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
3:13 pm - 10:04 pm
ABE
-
ORD
7h 51m1 stop
Multiple Airlines Logo
7:00 am - 9:45 pm
ORD
-
ABE
13h 45m1 stop
$260Multiple Airlines
Sun, Jan 11 - Thu, Jan 15
American Airlines Logo
1:02 pm - 7:50 pm
ABE
-
ORD
7h 48m1 stop
American Airlines Logo
6:05 am - 12:32 pm
ORD
-
ABE
5h 27m1 stop
$269American Airlines
Fri, Jan 9 - Tue, Jan 13
Multiple Airlines Logo
8:30 am - 11:33 pm
ABE
-
STL
16h 03m1 stop
Multiple Airlines Logo
5:42 pm - 10:01 pm
STL
-
ABE
27h 19m2 stops
$318Multiple Airlines
Thu, Feb 5 - Sun, Feb 8

United Airlines flights from Allentown to Illinois

Our best United Airlines deals on Allentown to Illinois flight tickets
United Airlines
Jan 16
ABE4:57 pmAllentown-Bethlehem
2h 43m
ORD6:40 pmChicago O'Hare Intl
Jan 18
ORD7:30 amChicago O'Hare Intl
2h 11m
ABE10:41 amAllentown-Bethlehem
$209
Find similar
United Airlines
May 20
ABE10:35 amAllentown-Bethlehem
2h 21m
ORD11:56 amChicago O'Hare Intl
May 27
ORD10:44 amChicago O'Hare Intl
2h 11m
ABE1:55 pmAllentown-Bethlehem
$220
Find similar
United Airlines
Feb 5
ABE11:30 amAllentown-Bethlehem
2h 43m
ORD1:13 pmChicago O'Hare Intl
Feb 9
ORD7:30 amChicago O'Hare Intl
2h 11m
ABE10:41 amAllentown-Bethlehem
$229
Find similar

Delta flights from Allentown to Illinois

Our best Delta deals on Allentown to Illinois flight tickets
Delta
Feb 5
ABE12:48 pmAllentown-Bethlehem
7h 01m
1 stop
ORD6:49 pmChicago O'Hare Intl
Feb 9
ORD6:50 amChicago O'Hare Intl
9h 24m
2 stops
ABE5:14 pmAllentown-Bethlehem
$234
Find similar
Delta
Feb 5
ABE12:48 pmAllentown-Bethlehem
5h 41m
1 stop
MDW5:29 pmChicago Midway
Feb 9
MDW10:46 amChicago Midway
5h 28m
1 stop
ABE5:14 pmAllentown-Bethlehem
$249
Find similar
Delta
Feb 5
ABE12:48 pmAllentown-Bethlehem
7h 01m
1 stop
ORD6:49 pmChicago O'Hare Intl
Feb 9
ORD6:50 amChicago O'Hare Intl
9h 24m
2 stops
ABE5:14 pmAllentown-Bethlehem
$254
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Illinois 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 December 27, 2025.
Use the filters below to find and compare flights from Allentown to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 1/16

4:57 pm-6:40 pm

Nonstop2h 43m

Chicago O'Hare Intl

Sun 1/18

7:30 am-10:41 am

Nonstop2h 11m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 5/20

10:35 am-11:56 am

Nonstop2h 21m

Chicago O'Hare Intl

Wed 5/27

10:44 am-1:55 pm

Nonstop2h 11m

$220

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 2/5

11:30 am-1:13 pm

Nonstop2h 43m

Chicago O'Hare Intl

Mon 2/9

7:30 am-10:41 am

Nonstop2h 11m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 2/5

12:48 pm-6:49 pm

1 stop7h 01m

Chicago O'Hare Intl

Mon 2/9

6:50 am-5:14 pm

2 stops9h 24m

$234

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 2/24

12:45 pm-7:42 pm

1 stop7h 57m

Chicago O'Hare Intl

Sun 3/1

5:00 am-11:31 am

1 stop5h 31m

$249

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Thu 2/5

12:48 pm-5:29 pm

1 stop5h 41m

Chicago Midway

Mon 2/9

10:46 am-5:14 pm

1 stop5h 28m

$249

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 2/5

12:48 pm-6:49 pm

1 stop7h 01m

Chicago O'Hare Intl

Mon 2/9

6:50 am-5:14 pm

2 stops9h 24m

$254

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 1/11

3:13 pm-10:04 pm

1 stop7h 51m

Chicago O'Hare Intl

Thu 1/15

7:00 am-9:45 pm

1 stop13h 45m

$260

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 1/9

1:02 pm-7:50 pm

1 stop7h 48m

Chicago O'Hare Intl

Tue 1/13

6:05 am-12:32 pm

1 stop5h 27m

$269

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

Thu 2/5

8:30 am-11:33 pm

1 stop16h 03m

Lambert-St Louis

Sun 2/8

5:42 pm-10:01 pm

2 stops27h 19m

$318

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 Illinois from

How to get the cheapest flight ticket from Allentown to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Allentown is in February. Flight prices, which tend to average around $283, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $298.

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

The cheapest day to depart from Allentown to Illinois is on a Friday when prices can be found for as low as $472. Flights from Allentown to Illinois on a Sunday will generally be more expensive and average around $682. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Allentown to Illinois during this time can be as low as $482. Flights in the morning are often more expensive with an average ticket price of $579.

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

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

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

You are more likely to see cheaper flights to Illinois from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $427 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Allentown for as low as $326 on momondo.

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

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

You could potentially save up to 67% on your flight if you consider stops on a Allentown to Illinois flight.

Cheap Allentown to Illinois flight deals and tips

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

Best Price Found

$225

Fastest flight time

2h 21m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Allentown in the past 72 hours is $225. The best round-trip flight deal from Allentown to Illinois found on momondo in the last 72 hours is $357.
The fastest flight from Allentown to Illinois takes 2h 21m
Direct flights go from Allentown to Illinois every day.
There are 98 airports in Illinois. From Allentown there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Allentown to Illinois?

Best airlines flying from Allentown to Illinois

Compare and see reviews for airlines that fly from Allentown to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,018 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Allentown to Illinois 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 Illinois that suits you.

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

All flight searches from Allentown to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Allentown to Illinois?

Once you have performed a search for Allentown to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Allentown are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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