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Flights from Allentown to Chicago

Find cheap airlines flights from Allentown to Chicago

You can choose from 1 airlines that fly from Allentown to Chicago, including United Airlines, American Airlines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Allentown to Chicago according to previous 12 months data from Trip.com.

Book direct flights from Allentown to Chicago: One way flights from $255, round trip flights from $282. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        ABE 5:38 PM
        2h 22m
        Nonstop
        ORD 7:00 PM
        Allentown - Chicago | Sun, Apr 19 | United Airlines
        ORD 7:00 AM
        1h 58m
        Nonstop
        ABE 9:58 AM
        Chicago - Allentown | Tue, Apr 21 | United Airlines
        $282 $336
        16% off
        16% off
        $336 $282
      • ABE 5:38 PM
        2h 22m
        Nonstop
        ORD 7:00 PM
        Allentown - Chicago | Sun, Apr 26 | United Airlines
        ORD 7:00 AM
        2h
        Nonstop
        ABE 10:00 AM
        Chicago - Allentown | Mon, May 4 | United Airlines
        $284 $336
        15% off
        15% off
        $336 $284
      • ABE 5:35 PM
        2h 25m
        Nonstop
        ORD 7:00 PM
        Allentown - Chicago | Sat, May 2 | United Airlines
        ORD 10:30 AM
        2h 8m
        Nonstop
        ABE 1:38 PM
        Chicago - Allentown | Sun, May 10 | United Airlines
        $288 $336
        14% off
        14% off
        $336 $288
      • ABE 2:15 PM
        2h 25m
        Nonstop
        ORD 3:40 PM
        Allentown - Chicago | Fri, May 8 | United Airlines
        ORD 6:50 AM
        1h 58m
        Nonstop
        ABE 9:48 AM
        Chicago - Allentown | Mon, May 11 | United Airlines
        $288
        14% off
        $336 $288
      • ABE 6:00 AM
        2h 26m
        Nonstop
        ORD 7:26 AM
        Allentown - Chicago | Wed, May 27 | American Airlines
        ORD 8:10 PM
        2h 6m
        Nonstop
        ABE 11:16 PM
        Chicago - Allentown | Sun, May 31 | American Airlines
        $291
        13% off
        $336 $291
      • ABE 4:55 PM
        2h 28m
        Nonstop
        ORD 6:23 PM
        Allentown - Chicago | Sun, May 24 | American Airlines
        ORD 8:10 PM
        2h 6m
        Nonstop
        ABE 11:16 PM
        Chicago - Allentown | Sun, May 31 | American Airlines
        $292
        13% off
        $336 $292
      • ABE 5:59 PM
        7h
        1 stop
        ORD 11:59 PM
        Allentown - Chicago | Sat, May 2 | Delta Air Lines
        ORD 9:10 AM
        7h 18m
        1 stop
        ABE 5:28 PM
        Chicago - Allentown | Sun, May 10 | Delta Air Lines
        $276
        18% off
        $336 $276
      • ABE 6:15 PM
        6h 44m
        1 stop
        ORD 11:59 PM
        Allentown - Chicago | Sun, May 10 | Delta Air Lines
        ORD 6:23 AM
        4h 56m
        1 stop
        ABE 12:19 PM
        Chicago - Allentown | Mon, May 11 | Delta Air Lines
        $282
        16% off
        $336 $282
      • ABE 6:23 AM
        6h 33m
        1 stop
        MDW 11:56 AM
        Allentown - Chicago | Thu, May 28 | Delta Air Lines
        ORD 9:10 AM
        7h 18m
        1 stop
        ABE 5:28 PM
        Chicago - Allentown | Sun, May 31 | Delta Air Lines
        $286
        15% off
        $336 $286
      • ABE 6:15 PM
        6h 44m
        1 stop
        ORD 11:59 PM
        Allentown - Chicago | Sat, May 9 | Delta Air Lines
        ORD 6:23 AM
        4h 56m
        1 stop
        ABE 12:19 PM
        Chicago - Allentown | Mon, May 11 | Delta Air Lines
        $290
        14% off
        $336 $290
      • ABE 1:00 PM
        17h 25m
        1 stop
        CHI Invalid Date
        Allentown - Chicago | Mon, Apr 20 | Normal Airline
        CHI 3:00 PM
        6h
        Nonstop
        ABE 4:00 PM
        Chicago - Allentown | Wed, Apr 22 | Normal Airline
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      • Cheapest nonstop
        ABE 5:06 PM
        2h 28m
        Nonstop
        ORD 6:34 PM
        Allentown - Chicago | Fri, May 22 | American Airlines
        $255 $309
        17% off
        17% off
        $309 $255
      • ABE 6:15 AM
        2h 30m
        Nonstop
        ORD 7:45 AM
        Allentown - Chicago | Fri, May 22 | United Airlines
        $260 $309
        16% off
        16% off
        $309 $260
      • ABE 1:41 PM
        11h 14m
        1 stop
        ORD 11:55 PM
        Allentown - Chicago | Tue, May 5 | Allegiant Air
        $122 $309
        61% off
        61% off
        $309 $122
      • ABE 7:01 PM
        14h 25m
        1 stop
        MDW 8:26 AM
        Allentown - Chicago | Sun, Apr 19 | Allegiant Air
        $184
        40% off
        $309 $184
      • ABE 9:22 AM
        13h 8m
        1 stop
        ORD 9:30 PM
        Allentown - Chicago | Fri, Apr 24 | Allegiant Air
        $197
        36% off
        $309 $197
      • ABE 5:59 PM
        5h 29m
        1 stop
        MDW 10:28 PM
        Allentown - Chicago | Sat, May 2 | Delta Air Lines
        $234
        24% off
        $309 $234
      • ABE 5:59 PM
        5h 29m
        1 stop
        MDW 10:28 PM
        Allentown - Chicago | Sun, Apr 26 | Delta Air Lines
        $266
        14% off
        $309 $266
      • ABE 6:23 AM
        5h 41m
        1 stop
        ORD 11:04 AM
        Allentown - Chicago | Mon, May 25 | Delta Air Lines
        $267
        14% off
        $309 $267
      • ABE 5:59 PM
        5h 29m
        1 stop
        MDW 10:28 PM
        Allentown - Chicago | Tue, Apr 28 | Delta Air Lines
        $268
        13% off
        $309 $268
      • ABE 5:59 PM
        5h 29m
        1 stop
        MDW 10:28 PM
        Allentown - Chicago | Sun, Apr 19 | Delta Air Lines
        $268
        13% off
        $309 $268
      • ABE 1:00 PM
        17h 25m
        1 stop
        CHI Invalid Date
        Allentown - Chicago | Mon, Apr 20 | Normal Airline
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Displayed flight fares from Allentown to Chicago are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Allentown to Chicago

The distance between Allentown and Chicago is approximately 1,027.73 km. It takes around 2 hours 21 minutes on average to fly from Allentown to Chicago. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$122
Cheapest round-trip ticket price$276
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,027.73 km
Average flight time2 hours 21 minutes
Popular airlineUnited Airlines
Flight statistics for the Allentown–Chicago route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Allentown to Chicago (ABE-CHI)?

    Based on Trip.com data, Allegiant Air offers one-way fares as low as $122 on Cheapest nonstop routes (e.g. ABE to ORD on Tue, May 5), while Delta Air Lines offers Cheapest nonstop round-trips from $276 departing on Sat, May 2 and returning on Sun, May 10.
  • At the moment, you can catch a nonstop flight from Allentown to Chicago with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 21 minutes to fly from Allentown (ABE) to Chicago (CHI).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Allentown to Chicago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from Allentown to Chicago. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA4166 (06:37) United Airlines: S/M/T/W/T/F/S -- UA4175 (22:18)
  • To find best deals on flights from Allentown to Chicago, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, May 5, with one-way flights priced at just $122.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Chicago travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Allentown to Chicago is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Allentown to Chicago on April 18, 2026 with United Airlines, with prices starting at $282.
  • You can land at any one of the following hubs in Chicago, with Lehigh Valley International Airport to Chicago O'Hare International Airport (ABE-ORD) is by far the most common option on this route: Chicago O'Hare International Airport (ORD) Chicago Midway International Airport (MDW) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Allentown is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.