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Cheap flights from Allentown to Illinois from $113

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 11/18. 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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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.
Delta Logo
6:00 pm - 12:01 amABE-ORD
7h 01m1 stop
Delta Logo
5:30 am - 12:14 pmORD-ABE
5h 44m1 stop
$229Delta
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Fri, Dec 5 - Sun, Dec 7
Delta Logo
5:58 pm - 10:44 pmABE-MDW
5h 46m1 stop
Delta Logo
6:00 am - 12:07 pmMDW-ABE
5h 07m1 stop
$229Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Delta Logo
12:54 pm - 8:35 pmABE-ORD
8h 41m2 stops
Delta Logo
5:30 am - 12:14 pmORD-ABE
5h 44m1 stop
$234Delta
Find Deal
Sat, Dec 13 - Sun, Dec 14
Multiple Airlines Logo
6:30 am - 11:29 pmABE-MDW
17h 59m1 stop
Multiple Airlines Logo
6:15 am - 2:19 pmMDW-ABE
31h 04m2 stops
$235Multiple Airlines
Find Deal
Fri, Nov 21 - Thu, Dec 4
Multiple Airlines Logo
8:30 am - 9:48 pmABE-ORD
14h 18m1 stop
Multiple Airlines Logo
3:20 pm - 10:24 pmORD-ABE
30h 04m1 stop
$239Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
United Airlines Logo
6:32 am - 8:05 amABE-ORD
2h 33mnonstop
United Airlines Logo
8:45 am - 11:48 amORD-ABE
2h 03mnonstop
$264United Airlines
Find Deal
Sat, Nov 15 - Mon, Dec 1
United Airlines Logo
6:32 am - 8:05 amABE-ORD
2h 33mnonstop
United Airlines Logo
8:45 am - 11:52 amORD-ABE
2h 07mnonstop
$279United Airlines
Find Deal
Tue, Nov 25 - Thu, Dec 4
American Airlines Logo
6:16 am - 10:44 amABE-ORD
5h 28m1 stop
American Airlines Logo
5:00 am - 1:29 pmORD-ABE
7h 29m1 stop
$323American Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25
American Airlines Logo
12:01 pm - 5:57 pmABE-PIA
6h 56m1 stop
American Airlines Logo
11:12 am - 11:25 pmPIA-ABE
11h 13m2 stops
$423American Airlines
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Sat, Feb 21 - Tue, Feb 24
Allegiant Air Logo
6:56 pm - 8:02 amABE-MLI
14h 06m1 stop
Allegiant Air Logo
8:46 am - 11:38 pmMLI-ABE
13h 52m1 stop
$501Allegiant Air
Find Deal
Tue, Nov 25 - Sat, Nov 29

Delta flights from Allentown to Illinois

Our best Delta deals on Allentown to Illinois flight tickets
Delta
Dec 5
ABE6:00 pmAllentown-Bethlehem
7h 01m
1 stop
ORD12:01 amChicago O'Hare Intl
Dec 7
ORD5:30 amChicago O'Hare Intl
5h 44m
1 stop
ABE12:14 pmAllentown-Bethlehem
$229
Find similar
Delta
Dec 13
ABE12:54 pmAllentown-Bethlehem
8h 41m
2 stops
ORD8:35 pmChicago O'Hare Intl
Dec 14
ORD5:30 amChicago O'Hare Intl
5h 44m
1 stop
ABE12:14 pmAllentown-Bethlehem
$234
Find similar
Delta
Nov 19
ABE6:00 pmAllentown-Bethlehem
5h 30m
1 stop
ORD10:30 pmChicago O'Hare Intl
Dec 4
ORD1:20 pmChicago O'Hare Intl
7h 51m
1 stop
ABE10:11 pmAllentown-Bethlehem
$249
Find similar

United Airlines flights from Allentown to Illinois

Our best United Airlines deals on Allentown to Illinois flight tickets
United Airlines
Nov 15
ABE6:32 amAllentown-Bethlehem
2h 33m
ORD8:05 amChicago O'Hare Intl
Dec 1
ORD8:45 amChicago O'Hare Intl
2h 03m
ABE11:48 amAllentown-Bethlehem
$264
Find similar
United Airlines
Nov 25
ABE6:32 amAllentown-Bethlehem
2h 33m
ORD8:05 amChicago O'Hare Intl
Dec 4
ORD8:45 amChicago O'Hare Intl
2h 07m
ABE11:52 amAllentown-Bethlehem
$279
Find similar
United Airlines
Jan 1
ABE5:07 pmAllentown-Bethlehem
2h 43m
ORD6:50 pmChicago O'Hare Intl
Jan 5
ORD10:44 amChicago O'Hare Intl
2h 11m
ABE1:55 pmAllentown-Bethlehem
$285
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 November 4, 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 12/5

6:00 pm-12:01 am

1 stop7h 01m

Chicago O'Hare Intl

Sun 12/7

5:30 am-12:14 pm

1 stop5h 44m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 2/21

5:58 pm-10:44 pm

1 stop5h 46m

Chicago Midway

Tue 2/24

6:00 am-12:07 pm

1 stop5h 07m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 12/13

12:54 pm-8:35 pm

2 stops8h 41m

Chicago O'Hare Intl

Sun 12/14

5:30 am-12:14 pm

1 stop5h 44m

$234

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Fri 11/21

6:30 am-11:29 pm

1 stop17h 59m

Chicago Midway

Thu 12/4

6:15 am-2:19 pm

2 stops31h 04m

$235

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 12/5

8:30 am-9:48 pm

1 stop14h 18m

Chicago O'Hare Intl

Sun 12/7

3:20 pm-10:24 pm

1 stop30h 04m

$239

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 11/15

6:32 am-8:05 am

Nonstop2h 33m

Chicago O'Hare Intl

Mon 12/1

8:45 am-11:48 am

Nonstop2h 03m

$264

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 11/25

6:32 am-8:05 am

Nonstop2h 33m

Chicago O'Hare Intl

Thu 12/4

8:45 am-11:52 am

Nonstop2h 07m

$279

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 11/22

6:16 am-10:44 am

1 stop5h 28m

Chicago O'Hare Intl

Tue 11/25

5:00 am-1:29 pm

1 stop7h 29m

$323

AllentownPeoria

ABE - PIA

ABEPIA

Allentown-Bethlehem

Sat 2/21

12:01 pm-5:57 pm

1 stop6h 56m

Greater Peoria

Tue 2/24

11:12 am-11:25 pm

2 stops11h 13m

$423

AllentownMoline

ABE - MLI

ABEMLI

Allentown-Bethlehem

Tue 11/25

6:56 pm-8:02 am

1 stop14h 06m

Moline Quad-City

Sat 11/29

8:46 am-11:38 pm

1 stop13h 52m

$501

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 $279, 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 $289.

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 $484. Flights from Allentown to Illinois on a Sunday will generally be more expensive and average around $679. 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 evening. Flights from Allentown to Illinois during this time can be as low as $281. Flights in the morning are often more expensive with an average ticket price of $591.

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 $429 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 $317 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 55% 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

$287

Fastest flight time

2h 21m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Allentown in the past 72 hours is $287. The best round-trip flight deal from Allentown to Illinois found on momondo in the last 72 hours is $310.
The fastest flight from Allentown to Illinois takes 2h 21m
Direct flights go from Allentown to Illinois every day.
There is 1 airport near Illinois: 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
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,003 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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