Title: £157 Cheap Flights from Allentown to Chicago (ABE to CHI) - Expedia.co.uk ![City of Chicago. Image of Chicago downtown and Chicago River with bridges at sunny summer day](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £157 Cheap Flights from Allentown (ABE) to Chicago (CHI) [View £157 flight on Fri, 12 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:ABE,to:ORD,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:156.40&airProductToken=AQpoCjIIwYIBEgQ1MjUwGKAgIOKaASjPwf8CMMnC_wI4QkAAWAFqBUJBU0lDcghWVUFQWk5CWgoyCMGCARIEMTk5ORjimgEgrhwossP_AjC4xP8COEJAAVgBagVCQVNJQ3IIVlVBUFpOQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lehigh Valley Intl. Airport (ABE) to Chicago - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:abe,to:chi,departure:08/11/2025TANYT&leg2=from:chi,to:abe,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:abe,to:chi,departure:08/11/2025TANYT&leg2=from:chi,to:abe,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:abe,to:chi,departure:08/11/2025TANYT&leg2=from:chi,to:abe,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Allentown (ABE) to Chicago (CHI) Prices were available within the past 7 days and start at £157 for one-way flights and £171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, 13 Dec - Mon, 15 Dec ABE Allentown ORD Chicago £171 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:13/12/2025TANYT&leg2=from:ORD,to:ABE,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:170.90&airProductToken=AQpECiAIxJgBEgQ1MjQ2GKAgIOBcKOTR_wIw9tL_AjhFQABYAQogCMSYARIEMTEzORjgXCCuHCjF0_8CMLvU_wI4RUABWAEKRAogCMSYARIEMTQ3NxiuHCDgXCj85_8CMPbo_wI4RUAAWAEKIAjEmAESBDUwMzUY4FwgoCAopun_AjCf6v8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 11 Dec - Mon, 15 Dec ABE Allentown ORD Chicago £179 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:11/12/2025TANYT&leg2=from:ORD,to:ABE,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:178.40&airProductToken=AQpoCjIIwYIBEgQ1NTAyGKAgIOKaASj2uv8CMOu7_wI4QkAAWAFqBUJBU0lDcghRVUZIWk5CVgoyCMGCARIEMTAzORjimgEgrhwotb3_AjC6vv8COEJAAVgBagVCQVNJQ3IIUVVGSFpOQlYKaAoyCMGCARIEMTYzMhiuHCDimgEo1OL_AjDO4_8COEJAAFgBagVCQVNJQ3IIT1ZGSFpOQlYKMgjBggESBDUzMTYY4poBIKAgKJzl_wIwiub_AjhCQAFYAWoFQkFTSUNyCE9WRkhaTkJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 11 Dec - Mon, 15 Dec ABE Allentown ORD Chicago £186 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:11/12/2025TANYT&leg2=from:ORD,to:ABE,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:186.00&airProductToken=AQpoCjIIwYIBEgQ1NTAyGKAgIOKaASj2uv8CMOu7_wI4QkAAWAFqBUJBU0lDcghRVUZIWk5CVgoyCMGCARIEMTAzORjimgEgrhwotb3_AjC6vv8COEJAAVgBagVCQVNJQ3IIUVVGSFpOQlYKaAoyCMGCARIEMTc4NBiuHCDimgEoveP_AjC65P8COEJAAFgBagVCQVNJQ3IIUVVGSFpOQlYKMgjBggESBDUzMTYY4poBIKAgKJzl_wIwiub_AjhCQAFYAWoFQkFTSUNyCFFVRkhaTkJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 11 Dec - Mon, 15 Dec ABE Allentown ORD Chicago £206 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:11/12/2025TANYT&leg2=from:ORD,to:ABE,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:205.30&airProductToken=AQpoCjIIwYIBEgQ1MjUwGKAgIOKaASjetf8CMNi2_wI4QkAAWAFqBUJBU0lDcghTN0ZIWk5CWAoyCMGCARIEMTAzOBjimgEgrhwoq7f_AjC_uP8COEJAAVgBagVCQVNJQ3IIUzdGSFpOQlgKaAoyCMGCARIEMTYzMhiuHCDimgEo1OL_AjDO4_8COEJAAFgBagVCQVNJQ3IIT1ZGSFpOQlYKMgjBggESBDUzMTYY4poBIKAgKJzl_wIwiub_AjhCQAFYAWoFQkFTSUNyCE9WRkhaTkJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 12 Dec - Sat, 13 Dec ABE Allentown ORD Chicago £209 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:12/12/2025TANYT&leg2=from:ORD,to:ABE,departure:13/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:208.50&airProductToken=AQpuCjUIxJgBEgQ1MjQ2GKAgIOBcKMTG_wIw1sf_AjhFQABYAWoJTUFJTkJBU0lDcghURjdOQTBCUQo1CMSYARIEMTE5ORjgXCCuHCjqyP8CMOnJ_wI4RUABWAFqCU1BSU5CQVNJQ3IIVEY3TkEwQlEKbgo1CMSYARIEMTQ1NhiuHCDgXCiE0P8CMP3Q_wI4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWTkEwQlEKNQjEmAESBDUwMzUY4FwgoCAo5tL_AjDf0_8COEVAAVgBaglNQUlOQkFTSUNyCFZGVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, 9 Dec - Wed, 17 Dec ABE Allentown ORD Chicago £209 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:09/12/2025TANYT&leg2=from:ORD,to:ABE,departure:17/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:209.00&airProductToken=AQoiCiAI1YIBEgQ0MTc1GKAgIK4cKL6k_wIw16X_AjhLQABYAQoiCiAI1YIBEgQ0NDYxGK4cIKAgKJ_9_wIwm_7_AjhLQABYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 11 Dec - Mon, 15 Dec ABE Allentown ORD Chicago £213 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:11/12/2025TANYT&leg2=from:ORD,to:ABE,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:212.80&airProductToken=AQpoCjIIwYIBEgQ1NTAyGKAgIOKaASj2uv8CMOu7_wI4QkAAWAFqBUJBU0lDcghRVUZIWk5CVgoyCMGCARIEMTAzORjimgEgrhwotb3_AjC6vv8COEJAAVgBagVCQVNJQ3IIUVVGSFpOQlYKaAoyCMGCARIEMTYwNhiuHCDimgEo2Of_AjDX6P8COEJAAFgBagVCQVNJQ3IIUzdGSFpOQlgKMgjBggESBDU1NTMY4poBIKAgKOTp_wIwzur_AjhCQAFYAWoFQkFTSUNyCFM3RkhaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 11 Dec - Thu, 18 Dec ABE Allentown ORD Chicago £215 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:11/12/2025TANYT&leg2=from:ORD,to:ABE,departure:18/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:214.80&airProductToken=AQpECiAIwYIBEgQ2NTQ0GKAgIO9ZKMK7_wIwprz_AjhPQABYAQogCMGCARIEMjkwMRjvWSCuHCjwvP8CMIa-_wI4T0ABWAEKRAogCMGCARIEMTg1NBiuHCDvWSiYhYADMI6GgAM4T0AAWAEKIAjBggESBDY1NjUY71kgoCAowoaAAzCrh4ADOE9AAVgBEgoIARABGAEqAkFBGAEiBAgBEAEoCCgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 12 Dec - Sat, 13 Dec ABE Allentown ORD Chicago £217 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:12/12/2025TANYT&leg2=from:ORD,to:ABE,departure:13/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:216.10&airProductToken=AQpuCjUIxJgBEgQ1MjQ2GKAgIOBcKMTG_wIw1sf_AjhFQABYAWoJTUFJTkJBU0lDcghURjdOQTBCUQo1CMSYARIEMTE5ORjgXCCuHCjqyP8CMOnJ_wI4RUABWAFqCU1BSU5CQVNJQ3IIVEY3TkEwQlEKbgo1CMSYARIEMTE0NxiuHCDgXCiSz_8CMI7Q_wI4RUAAWAFqCU1BSU5CQVNJQ3IIWEZVTkEwQlEKNQjEmAESBDUyNDYY4FwgoCAov9D_AjC20f8COEVAAVgBaglNQUlOQkFTSUNyCFhGVU5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 12 Dec - Sat, 13 Dec ABE Allentown ORD Chicago £228 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ABE,to:ORD,departure:12/12/2025TANYT&leg2=from:ORD,to:ABE,departure:13/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:227.90&airProductToken=AQpuCjUIxJgBEgQ1MjQxGKAgIOBcKJLE_wIwocX_AjhFQABYAWoJTUFJTkJBU0lDcghVRlVPQTBCUQo1CMSYARIEMjg3ORjgXCCuHCioxv8CMKvH_wI4RUABWAFqCU1BSU5CQVNJQ3IIVUZVT0EwQlEKbgo1CMSYARIEMTQ1NhiuHCDgXCiE0P8CMP3Q_wI4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWTkEwQlEKNQjEmAESBDUwMzUY4FwgoCAo5tL_AjDf0_8COEVAAVgBaglNQUlOQkFTSUNyCFZGVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Allentown (ABE) to Chicago (CHI) ### September is typically the cheapest month to fly From £104 - £270 per traveller. Flight from Allentown to Chicago route information | Origin airport | Lehigh Valley Intl. | | --- | --- | | Destination airport | O'Hare Intl. | | Return price | £171 | | Distance | 1044 km | ## Compare flights from Allentown to Chicago easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Allentown to Chicago. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to CHI-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lehigh Valley Intl. to CHI-All Airports.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Lehigh Valley Intl. (ABE) to CHI-All Airports (CHI) The easiest way to view the best deals on flights from Allentown to Chicago today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lehigh Valley Intl. to CHI-All Airports start at just £171 and range up to £232.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Allentown and Chicago - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Allentown to Chicago flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lehigh Valley Intl. to CHI-All Airports for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Lehigh Valley International Airport to Chicago, IL (CHI-All Airports)? > If you're travelling between ABE and Chicago, IL (CHI-All Airports), round-trip journeys start from £171. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from ABE to Chicago, IL (CHI-All Airports)? > We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Lehigh Valley Intl. Airport (ABE) to Chicago, IL (CHI-All Airports) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lehigh Valley Intl. Airport (ABE) to Chicago, IL (CHI-All Airports) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Lehigh Valley Intl. Airport (ABE) to Chicago, IL (CHI-All Airports)? > You won't need a lengthy novel for this flight — it's just 1,100 kilometres from Allentown to Illinois. Find your way to your seat, order a snack and you'll be touching down before long. ### Which airlines fly direct from Lehigh Valley International Airport to Chicago, IL (CHI-All Airports)? > There are a few airlines that fly straight from Lehigh Valley International Airport to Chicago, IL (CHI-All Airports). United Airlines (UA) is an excellent choice, offering 60 flights a month. For more options, check out the ticket prices from American Airlines (AA). This carrier operates 30 flights every month between these airports. ### Are Lehigh Valley Intl. Airport (ABE) to Chicago, IL (CHI-All Airports) flight tickets cheaper when they're purchased at the last minute? > Flight prices change all the time, so not always. While last-minute flight deals between Lehigh Valley Intl. Airport (ABE) and Chicago, IL (CHI-All Airports) are possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines publish their prices up to 12 months ahead of the departure date. 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[Flights from Curitiba (CWB) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/cwb/rfd/curitiba-to-rockford) - [Flights from Cardiff (CWL) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/cwl/ord/cardiff-to-chicago) - [Flights from Delhi (DEL) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/del/ord/delhi-to-chicago) - [Flights from Denver (DEN) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/den/ord/denver-to-chicago) - [Flights from Dallas (DFW) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/dfw/rfd/dallas-to-rockford) - [Flights from Duluth (DLH) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/dlh/ord/duluth-to-chicago) - [Flights from Des Moines (DSM) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/dsm/ord/des-moines-to-chicago) - [Flights from Dubai (DXB) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/dxb/ord/dubai-to-chicago) - [Flights from East Midlands (EMA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/ema/ord/east-midlands-to-chicago) - [Flights from Fort Lauderdale (FLL) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/fll/ord/fort-lauderdale-to-chicago) - [Flights from Frankfurt (FRA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/fra/ord/frankfurt-to-chicago) - [Flights from Fort Wayne (FWA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/fwa/ord/fort-wayne-to-chicago) - [Flights from Green Bay (GRB) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/grb/ord/green-bay-to-chicago) - [Flights from Grand Rapids (GRR) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/grr/ord/grand-rapids-to-chicago) - [Flights from Houston (HOU) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/hou/ord/houston-to-chicago) - [Flights from Hyderabad (HYD) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/hyd/ord/hyderabad-to-chicago) - [Flights from Washington (IAD) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/iad/ord/washington-to-chicago) - [Flights from Inverness (INV) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/inv/ord/inverness-to-chicago) - [Flights from Islamabad (ISB) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/isb/rfd/islamabad-to-rockford) - [Flights from Istanbul (IST) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/ist/ord/istanbul-to-chicago) - [Flights from Kimberley (KIM) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/kim/rfd/kimberley-to-rockford) - [Flights from Las Vegas (LAS) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/las/rfd/las-vegas-to-rockford) - [Flights from Leeds (LBA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/lba/ord/leeds-to-chicago) - [Flights from London (LCY) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/lcy/ord/london-to-chicago) - [Flights from Liege (LGG) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/lgg/rfd/liege-to-rockford) - [Flights from Lahore (LHE) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/lhe/ord/lahore-to-chicago) - [Flights from London (LHR) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/lhr/ord/london-to-chicago) - [Flights from London (LHR) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/lhr/rfd/london-to-rockford) - [Flights from Lagos (LOS) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/los/ord/lagos-to-chicago) - [Flights from London (LOZ) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/loz/auz/london-to-aurora) - [Flights from Liverpool (LPL) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/lpl/ord/liverpool-to-chicago) - [Flights from Manchester (MAN) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/man/rfd/manchester-to-rockford) - [Flights from Kansas City (MCI) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/mci/ord/kansas-city-to-chicago) - [Flights from Memphis (MEM) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/mem/ord/memphis-to-chicago) - [Flights from Manchester (MHT) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/mht/ord/manchester-to-chicago) - [Flights from Miami (MIA) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/mia/auz/miami-to-aurora) - [Flights from Milwaukee (MKE) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/mke/ord/milwaukee-to-chicago) - [Flights from Madison (MSN) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/msn/ord/madison-to-chicago) - [Flights from Missoula (MSO) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/mso/rfd/missoula-to-rockford) - [Flights from New Orleans (MSY) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/msy/ord/new-orleans-to-chicago) - [Flights from Norwich (NWI) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/nwi/ord/norwich-to-chicago) - [Flights from New York (NYC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/nyc/ord/new-york-to-chicago) - [Flights from Oklahoma City (OKC) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/okc/auz/oklahoma-city-to-aurora) - [Flights from Oklahoma City (OKC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/okc/ord/oklahoma-city-to-chicago) - [Flights from Omaha (OMA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/oma/ord/omaha-to-chicago) - [Flights from Chicago (ORD) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/ord/auz/chicago-to-aurora) - [Flights from Chicago (ORD) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/ord/rfd/chicago-to-rockford) - [Flights from Portland (PDX) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/pdx/ord/portland-to-chicago) - [Flights from Phoenix (PHX) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/phx/auz/phoenix-to-aurora) - [Flights from Peoria (PIA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/pia/ord/peoria-to-chicago) - [Flights from St. Petersburg (PIE) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/pie/rfd/st-petersburg-to-rockford) - [Flights from Pittsburgh (PIT) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/pit/ord/pittsburgh-to-chicago) - [Flights from Providenciales (PLS) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/pls/ord/providenciales-to-chicago) - [Flights from Providence (PVD) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/pvd/ord/providence-to-chicago) - [Flights from Raleigh (RDU) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/rdu/ord/raleigh-to-chicago) - [Flights from Rockford (RFD) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/rfd/auz/rockford-to-aurora) - [Flights from Rochester (ROC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/roc/ord/rochester-to-chicago) - [Flights from Rochester (RST) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/rst/ord/rochester-to-chicago) - [Flights from San Diego (SAN) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/san/ord/san-diego-to-chicago) - [Flights from Springfield (SGF) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/sgf/ord/springfield-to-chicago) - [Flights from San Jose (SJC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/sjc/ord/san-jose-to-chicago) - [Flights from San José (SJO) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/sjo/auz/san-jose-to-aurora) - [Flights from Salt Lake City (SLC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/slc/ord/salt-lake-city-to-chicago) - [Flights from Sacramento (SMF) to Chicago (PWK)](https://www.expedia.co.uk/lp/flights/smf/pwk/sacramento-to-chicago) - [Flights from Orange County (SNA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/sna/ord/orange-county-to-chicago) - [Flights from St. Louis (STL) to Rockford (RFD)](https://www.expedia.co.uk/lp/flights/stl/rfd/st-louis-to-rockford) - [Flights from London (STN) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/stn/ord/london-to-chicago) - [Flights from Tampa (TPA) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/tpa/auz/tampa-to-aurora) - [Flights from Tulsa (TUL) to Chicago (DPA)](https://www.expedia.co.uk/lp/flights/tul/dpa/tulsa-to-chicago) - [Flights from Edmonton (YEG) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/yeg/ord/edmonton-to-chicago) - [Flights from Montreal (YUL) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/yul/ord/montreal-to-chicago) - [Flights from Vancouver (YVR) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/yvr/auz/vancouver-to-aurora) - [Flights from Calgary (YYC) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/yyc/ord/calgary-to-chicago) - [Flights from Toronto (YYZ) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/yyz/auz/toronto-to-aurora) \*Available to Expedia members.