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$104+ Cheap flights from Illinois to Allentown (ABE)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Allentown

Keep the following information in mind while searching for Illinois to Allentown flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(American Airlines)

One-way from

$135
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$428

Good round-trip deal

$219 or less
Provider with most accurate pricing for Chicago (CHI)-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Allentown-Bethlehem flights.
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From Illinois to Allentown-Bethlehem
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One-way flight from Illinois to Allentown-Bethlehem
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Highest demand for flights based on searches. 15% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Illinois to Allentown-Bethlehem.
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Find flight deals from Illinois to Allentown

Cheapest flights from Illinois to Allentown
Explore the most affordable flight options available from Illinois to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/128:05 amORD - ABE
1 stop7h 35mAmerican Airlines
Sun 3/165:16 pmABE - ORD
1 stop7h 56mAmerican Airlines
Deal found 2/19$229
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:13 pmORD - ABE
1 stop12h 25mMultiple Airlines
Tue 3/42:51 pmABE - ORD
2 stops21h 45mMultiple Airlines
Deal found 2/19$234
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:00 amSTL - ABE
1 stop5h 26mDelta
Sat 3/156:05 amABE - STL
1 stop6h 55mDelta
Deal found 2/19$249
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:47 pmSTL - ABE
2 stops18h 26mMultiple Airlines
Wed 4/22:47 pmABE - STL
2 stops28h 05mMultiple Airlines
Deal found 2/19$278
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:30 amORD - ABE
2 stops10h 59mDelta
Mon 3/105:17 pmABE - ORD
1 stop7h 39mDelta
Deal found 2/19$284
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:04 pmMDW - ABE
2 stops23h 39mAllegiant Air
Wed 5/283:05 pmABE - MDW
1 stop20h 08mAllegiant Air
Deal found 2/19$348
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/128:49 amSTL - ABE
1 stop6h 51mAmerican Airlines
Sun 3/165:16 pmABE - STL
1 stop7h 40mAmerican Airlines
Deal found 2/19$354
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2510:57 amMDW - ABE
1 stop4h 52mDelta
Mon 3/35:30 pmABE - MDW
1 stop5h 50mDelta
Deal found 2/20$369
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:00 amBMI - ABE
1 stop5h 38mDelta
Mon 3/105:17 pmABE - BMI
1 stop6h 05mDelta
Deal found 2/18$379
This United deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:30 pmORD - ABE
Nonstop2h 04mUnited Airlines
Sun 3/166:30 amABE - ORD
Nonstop2h 35mUnited Airlines
Deal found 2/20$385
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/93:55 pmDBQ - ABE
2 stops7h 26mMultiple Airlines
Sat 3/155:16 pmABE - DBQ
2 stops23h 09mMultiple Airlines
Deal found 2/19$437
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2511:26 amPIA - ABE
2 stops9h 52mAmerican Airlines
Mon 4/285:25 pmABE - PIA
1 stop7h 31mAmerican Airlines
Deal found 2/18$466

Find flights from Illinois to Allentown within your budget

Customize your flight search to find flights from Illinois to Allentown 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Illinois

Fly to

Allentown

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 3/12

8:05 am-4:40 pm

1 stop7h 35m

Allentown-Bethlehem

Sun 3/16

5:16 pm-12:12 am

1 stop7h 56m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Mon 3/3

7:13 pm-8:38 am

1 stop12h 25m

Allentown-Bethlehem

Tue 3/4

2:51 pm-11:36 am

2 stops21h 45m

$234

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 3/12

6:00 am-12:26 pm

1 stop5h 26m

Allentown-Bethlehem

Sat 3/15

6:05 am-12:00 pm

1 stop6h 55m

$249

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 3/27

6:47 pm-2:13 pm

2 stops18h 26m

Allentown-Bethlehem

Wed 4/2

2:47 pm-5:52 pm

2 stops28h 05m

$278

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 3/6

10:30 am-10:29 pm

2 stops10h 59m

Allentown-Bethlehem

Mon 3/10

5:17 pm-11:56 pm

1 stop7h 39m

$284

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Fri 5/23

8:04 pm-8:43 pm

2 stops23h 39m

Allentown-Bethlehem

Wed 5/28

3:05 pm-10:13 am

1 stop20h 08m

$348

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 4/6

6:15 pm-9:25 pm

Nonstop2h 10m

Allentown-Bethlehem

Sun 4/13

6:30 am-7:54 am

Nonstop2h 24m

$350

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 3/12

8:49 am-4:40 pm

1 stop6h 51m

Allentown-Bethlehem

Sun 3/16

5:16 pm-11:56 pm

1 stop7h 40m

$354

BloomingtonAllentown

BMI - ABE

BMIABE

Bloomington-Normal

Thu 3/6

6:00 am-12:38 pm

1 stop5h 38m

Allentown-Bethlehem

Mon 3/10

5:17 pm-10:22 pm

1 stop6h 05m

$379

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Fri 3/28

9:54 am-4:37 pm

1 stop5h 43m

Allentown-Bethlehem

Wed 4/2

6:05 am-12:36 pm

2 stops7h 31m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 28 results
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Best time to book a flight from Illinois to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Illinois 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.

Travel insights for flights from Illinois to Allentown

Get recent, data-driven insights about flights from Illinois to Allentown including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Allentown?

Currently, February is the cheapest month in which you can book a flight from Illinois to Allentown (average of $293). Flying from Illinois to Allentown in December is currently the most expensive (average of $395). 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 IL to ABE?

Find hourly flight availability from Illinois to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Illinois to Allentown, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Allentown

Explore weekly flight availability from Illinois to Allentown. 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 February 20, 2025.

The most flights from USIL to ABE are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

Temperature in Allentown by month

Plan your trip to Allentown by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Allentown, 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 28.4 F).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated February 20, 2025.
To help decide which airline to fly from Illinois to Allentown, see what other customers have to say about Delta, United Airlines and Allegiant Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
765 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Illinois to Allentown. 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 into for flights to Allentown from Illinois?

    Located just 3.9 mi from the city center, Allentown-Bethlehem (ABE) is the airport most travelers will use when flying to Allentown from Illinois.

  • What are the cheapest airlines to fly from Illinois to Allentown one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $135. Users have also found prices from $184 and $220 on Allegiant Air and Delta, respectively.

  • What are the most popular routes from Illinois to Allentown?

    The most popular route from Illinois to Allentown is Chicago O'Hare Intl - Allentown-Bethlehem. You may also consider Chicago Midway - Allentown-Bethlehem or Lambert-St Louis - Allentown-Bethlehem.

  • What are the most reliable airlines from Illinois to Allentown?

    Consider Air New Zealand (84%), Emirates (80%) or GoJet (67%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Allentown.

  • What are the cheapest flights from Illinois to Allentown?

    While on average a flight from Illinois to Allentown is generally $339, our data shows the cheapest flight currently is $139. When looking at the most popular route, (Chicago O'Hare Intl - Allentown-Bethlehem), you can expect to pay $210 for that flight.

  • Can I find deals for flights from Illinois to Allentown that include hotel bookings?

    Yes. In addition to deals on Illinois to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Allentown.

  • Can I find deals for business class flights from Illinois to Allentown?

    Yes. Cheapflights offers flight deals from Illinois to Allentown 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 Illinois to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Allentown (average of $293). Flying from Illinois to Allentown in December is currently the most expensive (average of $395). 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.

See more FAQs

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Top 2 airlines flying from Illinois to Allentown

Discover the top 2 airlines that operate flights from Illinois to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$187Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$255Average$443FlexibilityNo cancel feeOn-time69%
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