$159+ Cheap flights from Allentown (ABE) to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — CHI
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago are usually found in July or December, booked 38 days in advance, depart on a Thursday or Saturday and return on a Thursday
Cheap flight deals from Allentown to Chicago
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Best
Last-minute
One-way
Cheapest flights from Allentown to ChicagoExplore the most affordable flight options available from Allentown to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Allentown to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/9. 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 12/95:30 am -
Nonstop2h 45m
Sat 12/122:30 pm -
Nonstop2h 12m
Deal found 11/9![American Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:30 am -
1 stop31h 30m
Wed 12/165:24 pm -
2 stops28h 19m
Deal found 11/8![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:10 am -
2 stops32h 42m
Fri 1/2210:18 am -
1 stop30h 07m
Deal found 11/6![Multiple Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 11/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
Nonstop2h 33m
Sun 12/136:25 am -
Nonstop2h 03m
Deal found 11/5![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 11/6. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:00 am -
Nonstop2h 45m
Sun 1/35:45 pm -
Nonstop2h 06m
Deal found 11/6![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 12/185:59 pm -
1 stop6h 57m
Tue 1/59:50 am -
1 stop6h 33m
Deal found 11/6![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 11/9. 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 12/95:58 pm -
1 stop6h 58m
Sat 12/126:20 am -
2 stops9h 55m
Deal found 11/9![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 11/8. 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 12/86:39 am -
2 stops11h 04m
Tue 12/157:05 am -
2 stops9h 08m
Deal found 11/8![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 11/6. 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 12/175:58 pm -
1 stop6h 58m
Sun 1/36:25 am -
1 stop4h 55m
Deal found 11/6![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 11/146:15 pm -
Nonstop2h 44m
Sat 11/287:45 pm -
Nonstop2h 11m
Deal found 11/7![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 11/6. 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 12/175:58 pm -
1 stop6h 58m
Wed 1/612:42 pm -
2 stops8h 57m
Deal found 11/6![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 11/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
Nonstop2h 33m
Sat 12/56:25 am -
Nonstop2h 03m
Deal found 11/5![United Airlines logo]()
$404
Best flights from Allentown to ChicagoDiscover carefully curated flight deals from Allentown to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Allentown to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Delta deal was found by Cheapflights users on 11/9. 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.
Mon 1/186:03 pm -
1 stop6h 54m
Mon 1/255:30 am -
1 stop5h 44m
Deal found 11/9![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:36 pm -
Nonstop2h 28m
Fri 11/275:54 pm -
Nonstop2h 08m
Deal found 11/8![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 11/9. 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 4/151:00 pm -
1 stop6h 32m
Mon 4/193:35 pm -
1 stop6h 11m
Deal found 11/9![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/5. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
Nonstop2h 33m
Sat 12/56:25 am -
Nonstop2h 03m
Deal found 11/5![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 11/6. 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 12/226:01 pm -
1 stop7h 01m
Tue 1/53:01 pm -
1 stop6h 38m
Deal found 11/6![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 11/5. 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 2/1012:59 pm -
1 stop6h 49m
Sat 2/135:30 am -
1 stop5h 41m
Deal found 11/5![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 11/5. 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 4/71:00 pm -
2 stops8h 37m
Thu 4/155:30 am -
1 stop5h 34m
Deal found 11/5![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 11/8. 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.
Sun 12/65:58 pm -
1 stop6h 58m
Sun 12/138:39 am -
2 stops12h 48m
Deal found 11/8![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 11/8. 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.
Mon 11/236:30 am -
1 stop6h 50m
Fri 11/272:00 pm -
1 stop4h 52m
Deal found 11/8![Delta logo]()
$409
Last-minute flights from Allentown to ChicagoDiscover last-minute flight deals from Allentown to Chicago. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Chicago. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 11/146:15 pm -
Nonstop2h 44m
Sat 11/287:45 pm -
Nonstop2h 11m
Deal found 11/7![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 11/145:37 am -
Nonstop2h 38m
Mon 11/167:49 pm -
Nonstop2h 10m
Deal found 11/7![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 11/8. 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 11/186:00 pm -
1 stop6h 54m
Tue 12/15:30 am -
1 stop5h 36m
Deal found 11/8![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 11/8. 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 11/1812:45 pm -
1 stop7h 20m
Sun 11/225:30 am -
1 stop5h 34m
Deal found 11/8![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 11/196:22 pm -
Nonstop2h 53m
Mon 11/237:45 pm -
Nonstop2h 11m
Deal found 11/8![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 11/8. 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 11/196:00 pm -
1 stop6h 54m
Mon 11/2310:35 am -
1 stop5h 40m
Deal found 11/8![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Thu 11/195:42 am -
Nonstop2h 43m
Sun 11/227:45 pm -
Nonstop2h 11m
Deal found 11/7![American Airlines logo]()
$459
One-way flights from Allentown to ChicagoSearch for one-way flight options from Allentown to Chicago. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Allentown to Chicago. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:30 am -
1 stop31h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
1 stop17h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:00 am -
2 stops24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 11/6. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/305:36 pm -
Nonstop2h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 11/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:25 pm -
Nonstop2h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:36 pm -
1 stop25h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 11/8. 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 12/306:01 pm -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 11/6. 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.
Sat 5/11:00 pm -
2 stops9h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$231
Find flight deals from Allentown to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (United Airlines) |
One-way from | $159 (Kiwi.com) |
Popular in | April |
Cheapest in | July |
Average price | $379 |
Good round-trip deal | $430 or less |
Good one-way deal | $298 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Chicago 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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from Allentown to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 12/12
8:00 am-7:59 am
2 stops24h 59m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Quickest round-trip
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Fri 4/30
5:36 pm-7:00 pm
Nonstop2h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 5/1
5:36 pm-7:00 pm
Nonstop2h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 5/1
6:30 am-12:05 pm
1 stop6h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$226
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Fri 4/30
1:00 pm-6:32 pm
1 stop6h 32m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$248
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Thu 11/19
6:40 am-11:40 am
2 stops30h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$266
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Wed 12/2
5:30 am-7:15 am
Nonstop2h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Thu 12/3
7:30 am-4:04 pm
2 stops33h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$292
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 12/12
6:00 pm-11:56 pm
1 stop6h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$304
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 11/28
6:15 am-7:49 am
Nonstop2h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$344
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Allentown to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Chicago in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Allentown-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Allentown to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Allentown with our price prediction graph.
ABE-CHI
ABE-ORD
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.
Cheapflights Insights
Everything you need to know about your flight from Allentown to Chicago
ABE-CHI
ABE-ORD
What is the cheapest month to book a flight from Allentown to Chicago?
Currently, July is the cheapest month in which you can book a flight from Allentown to Chicago (average of $335). Flying from Allentown to Chicago in April is currently the most expensive (average of $438). 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 ABE to CHI?
Find hourly flight availability from Allentown to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Allentown to Chicago as you normally would.
Weekly flight availability from Allentown to Chicago
Explore weekly flight availability from Allentown to Chicago. 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 November 10, 2026.
The most flights from ABE to CHI are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Allentown to Chicago?
Airfare is typical for this route at the moment.
Allentown to Chicago flights typically cost between $299 and $570 in April.The cheapest round-trip price found within the last 5 days was $349 on United Airlines (Apr 10-Apr 16).
How far ahead should I book a flight from Allentown to Chicago?
To ensure you get the cheapest price possible for a flight from Allentown to Chicago, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated November 10, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Allentown to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Food
6.7
Overall
7.3
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Food
6.7
Overall
7.3
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Food
6.7
Overall
7.3
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Allentown to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights from Allentown
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Alternative routes for Allentown to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Complete your trip
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Search flights from Allentown to Chicago by cabin class
Find flights from Allentown to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Allentown and Chicago flights
Browse other Allentown and Chicago flight options. Last updated on November 10, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Allentown to Chicago
Discover the top 2 airlines that operate flights from Allentown to Chicago. 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$356 | FlexibilityNo cancel fee | On-time71% |