$138+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — CHI
Oct 21 — Oct 281
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 November, booked 38 days in advance, depart on a Saturday or Thursday and return on a Saturday
Cheap flight deals from Allentown to Chicago
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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 September 21, 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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/296:47 pm -
Nonstop2h 39m
Sun 11/12:35 pm -
Nonstop2h 06m
Deal found 9/16![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/186:15 pm -
Nonstop2h 44m
Sun 11/222:45 pm -
Nonstop2h 07m
Deal found 9/17![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:10 am -
Nonstop2h 45m
Fri 1/18:40 pm -
Nonstop2h 12m
Deal found 9/20![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/18. 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.
Mon 11/166:00 pm -
1 stop6h 54m
Mon 11/235:30 am -
1 stop5h 34m
Deal found 9/18![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 9/18. 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.
Mon 11/166:00 pm -
1 stop5h 54m
Mon 11/236:00 am -
1 stop5h 04m
Deal found 9/18![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 9/17. 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 10/291:00 pm -
1 stop7h 11m
Tue 11/31:23 pm -
1 stop7h 56m
Deal found 9/17![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/16. 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 10/296:03 pm -
1 stop5h 30m
Tue 11/34:19 pm -
1 stop5h 00m
Deal found 9/16![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/17. 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 11/166:00 pm -
1 stop6h 54m
Sun 11/225:30 am -
1 stop5h 34m
Deal found 9/17![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/17. 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 11/166:00 pm -
1 stop5h 54m
Sun 11/226:00 am -
1 stop5h 04m
Deal found 9/17![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/186:00 pm -
1 stop6h 54m
Mon 11/2311:19 am -
2 stops10h 08m
Deal found 9/18![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/186:30 am -
2 stops11h 09m
Mon 11/236:00 am -
1 stop5h 04m
Deal found 9/18![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 9/17. 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 11/176:30 am -
2 stops9h 25m
Sun 11/225:30 am -
1 stop5h 34m
Deal found 9/17![Delta logo]()
$345
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 September 21, 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 September 21, 2026.
This Delta deal was found by Cheapflights users on 9/19. 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.
Tue 11/32:30 pm -
1 stop7h 08m
Sat 11/75:27 am -
1 stop5h 38m
Deal found 9/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/25:43 pm -
Nonstop2h 22m
Mon 10/55:45 pm -
Nonstop2h 15m
Deal found 9/16![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/20. 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 11/36:39 am -
1 stop5h 04m
Sat 11/711:33 am -
1 stop4h 43m
Deal found 9/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:43 pm -
Nonstop2h 22m
Sun 10/186:25 am -
Nonstop2h 10m
Deal found 9/20![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 9/20. 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.
Fri 3/55:40 pm -
1 stop5h 30m
Fri 3/1212:30 pm -
2 stops9h 16m
Deal found 9/20![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 9/19. 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 1/76:30 am -
2 stops11h 20m
Sat 1/96:00 am -
1 stop6h 01m
Deal found 9/19![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 9/16. 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 10/281:00 pm -
2 stops8h 30m
Sat 10/319:59 am -
2 stops11h 20m
Deal found 9/16![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/20. 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.
Fri 1/296:30 am -
2 stops11h 20m
Sun 1/3112:30 pm -
2 stops9h 16m
Deal found 9/20![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/16. 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 10/66:03 pm -
1 stop6h 54m
Sat 10/107:00 am -
2 stops9h 16m
Deal found 9/16![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 9/18. 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.
Fri 10/236:03 pm -
1 stop6h 54m
Tue 10/273:40 pm -
1 stop5h 39m
Deal found 9/18![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/19. 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 9/306:08 pm -
1 stop6h 51m
Tue 10/65:27 am -
1 stop5h 38m
Deal found 9/19![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 10/146:03 pm -
1 stop5h 30m
Sat 10/176:04 am -
1 stop5h 01m
Deal found 9/20![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/19. 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.
Fri 9/256:04 pm -
1 stop6h 55m
Wed 9/308:55 am -
2 stops12h 21m
Deal found 9/19![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 9/16. 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 10/26:04 pm -
1 stop6h 55m
Sun 10/45:30 am -
1 stop5h 45m
Deal found 9/16![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 10/36:28 am -
2 stops11h 31m
Sun 10/45:30 am -
1 stop5h 45m
Deal found 9/20![Delta logo]()
$515
Last-minute flights from Allentown to ChicagoDiscover last-minute flight deals from Allentown to Chicago. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Chicago. Data last updated September 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am -
Nonstop2h 29m
Tue 9/296:25 am -
Nonstop2h 10m
Deal found 9/19![United Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 9/265:10 pm -
Nonstop2h 38m
Tue 9/296:59 pm -
Nonstop2h 18m
Deal found 9/19![American Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 9/17. 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 9/286:04 pm -
1 stop5h 40m
Tue 10/610:59 am -
1 stop5h 17m
Deal found 9/17![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 9/17. 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 9/296:08 pm -
1 stop5h 36m
Tue 10/69:29 am -
2 stops6h 47m
Deal found 9/17![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/305:10 pm -
Nonstop2h 38m
Tue 10/66:59 pm -
Nonstop2h 13m
Deal found 9/16![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/17. 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 9/305:43 pm -
Nonstop2h 22m
Sat 10/35:45 pm -
Nonstop2h 15m
Deal found 9/17![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/17. 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 9/306:08 pm -
1 stop6h 51m
Sat 10/31:51 pm -
1 stop7h 25m
Deal found 9/17![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 9/17. 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 9/306:08 pm -
1 stop5h 36m
Tue 10/610:59 am -
1 stop5h 17m
Deal found 9/17![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 9/17. 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 10/26:04 pm -
1 stop5h 40m
Sat 10/36:05 am -
1 stop5h 10m
Deal found 9/17![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/17. 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 10/36:11 pm -
1 stop5h 33m
Tue 10/69:29 am -
2 stops6h 47m
Deal found 9/17![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 9/17. 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 10/146:03 pm -
1 stop5h 30m
Sat 10/179:29 am -
2 stops6h 47m
Deal found 9/17![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 9/16. 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 10/296:03 pm -
1 stop5h 30m
Tue 11/34:19 pm -
1 stop5h 00m
Deal found 9/16![Delta logo]()
$339
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 September 21, 2026.
Search for one-way flight options from Allentown to Chicago. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 -
2 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 12/141:44 pm -
1 stop21h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/134:36 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/194:32 pm -
1 stop16h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sun 12/136:30 am -
1 stop17h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 11/156:56 pm -
2 stops28h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:32 pm -
2 stops32h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:32 pm -
2 stops28h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:00 am -
2 stops38h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/304:32 pm -
2 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:27 pm -
2 stops22h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:30 am -
2 stops41h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$239
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $138 (Kiwi.com) |
Popular in | April |
Cheapest in | July |
Average price | $349 |
Good round-trip deal | $385 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 September 21, 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
Quickest round-trip
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 10/17
5:43 pm-7:05 pm
Nonstop2h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Tue 10/27
5:36 pm-7:04 pm
Nonstop2h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sun 12/20
5:25 pm-7:05 pm
Nonstop2h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 11/21
6:15 am-7:49 am
Nonstop2h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sat 12/19
5:25 pm-7:05 pm
Nonstop2h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Thu 11/26
6:15 am-7:49 am
Nonstop2h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Sun 10/25
6:15 am-7:49 am
Nonstop2h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Thu 10/15
6:20 am-7:49 am
Nonstop2h 29m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Mon 10/19
5:43 pm-7:05 pm
Nonstop2h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
AllentownChicago
ABE Allentown-Bethlehem - ORD Chicago O'Hare Intl
ABEORD
Allentown-Bethlehem
Wed 11/18
6:30 am-9:33 pm
2 stops16h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$283
Showing 1-10 of 35 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
ABE-MDW
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
ABE-MDW
What is the cheapest month to book a flight from Allentown to Chicago?
Currently, October is the cheapest month in which you can book a flight from Allentown to Chicago (average of $332). Flying from Allentown to Chicago in April is currently the most expensive (average of $448). 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 September 21, 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 September 21, 2026.
The most flights from ABE to CHI are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 $304 and $412 in October.The cheapest round-trip price found within the last 5 days was $319 on American Airlines (Oct 29-Nov 1).
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 September 21, 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.
Food
6.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
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
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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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 September 21, 2026.
Complete your trip
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Allentown and Chicago flights
Browse other Allentown and Chicago flight options. Last updated on September 21, 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 September 21, 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 September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$336 | FlexibilityNo cancel fee | On-time71% |