Title: £41 Cheap Flights from Boston to Chicago (BOS 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) # £41 Cheap Flights from Boston (BOS) to Chicago (CHI) [View £41 flight on Fri, 23 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:ORD,departure:23/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:40.50&airProductToken=AQovCi0IwmwSAzgxMRjBkwEgrhwo852DAzCvn4MDOExAAFgBagJETnIIUEkyUUJITDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) - [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 Logan International Airport (BOS) 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:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![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:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&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:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:CHI,departure:19/12/2025TANYT&leg2=from:CHI,to:BOS,departure:26/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![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 Boston (BOS) to Chicago (CHI) Prices were available within the past 7 days and start at £41 for one-way flights and £69 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, 7 Jan - Mon, 12 Jan BOS Boston ORD Chicago £69 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:07/01/2026TANYT&leg2=from:ORD,to:BOS,departure:12/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:68.20&airProductToken=AQovCi0IwmwSAzgxMRjBkwEgrhwo8-mBAzCv64EDOExAAFgBagJETnIIUEkyUUJTTDEKLwotCMJsEgMzMTIYrhwgwZMBKL2eggMwx5-CAzhMQABYAWoCRE5yCFBJMlFCU0wxEgoIARABGAEqAkI2GAEiBAgBEAEoAigEKAYwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Fri, 9 Jan - Sat, 24 Jan BOS Boston ORD Chicago £75 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:09/01/2026TANYT&leg2=from:ORD,to:BOS,departure:24/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:74.60&airProductToken=AQohCh8IwmwSAzgxMRjBkwEgrhwos4CCAzDvgYIDOExAAFgBCiEKHwjCbBIDMzEyGK4cIMGTASj5pYMDMIqngwM4TEAAWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Thu, 8 Jan - Sat, 24 Jan BOS Boston ORD Chicago £87 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:08/01/2026TANYT&leg2=from:ORD,to:BOS,departure:24/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:86.40&airProductToken=AQohCh8IwmwSAzgxMRjBkwEgrhwok_WBAzDP9oEDOExAAFgBCiEKHwjCbBIDMzEyGK4cIMGTASj5pYMDMIqngwM4TEAAWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 9 Feb - Tue, 24 Feb BOS Boston ORD Chicago £89 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:09/02/2026TANYT&leg2=from:ORD,to:BOS,departure:24/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:88.40&airProductToken=AQpHCiIIxJgBEgQxNDMyGMGTASDjtAEo5t2EAzD03oQDOEVAAFgBCiEIxJgBEgQxNjY1GOO0ASCuHCjC34QDMJnghAM4RUABWAEKIwohCMSYARIENTU5NhiuHCDBkwEo64OGAzD7hIYDOEVAAFgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 16 Jan - Sat, 31 Jan BOS Boston ORD Chicago £92 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:16/01/2026TANYT&leg2=from:ORD,to:BOS,departure:31/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:91.60&airProductToken=AQpFCiEIxJgBEgQyNjExGMGTASCpUSjUyoIDMK7LggM4RUAAWAEKIAjEmAESBDUwMjcYqVEgrhwolM2CAzDCzoIDOEVAAVgBCiMKIQjEmAESBDU4NTkYrhwgwZMBKND3gwMw5fiDAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, 31 Dec - Tue, 13 Jan BOS Boston ORD Chicago £94 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:31/12/2025TANYT&leg2=from:ORD,to:BOS,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:94.00&airProductToken=AQohCh8IwmwSAzgxMRjBkwEgrhwoy5uBAzCOnYEDOExAAFgBCiEKHwjCbBIDMzEyGK4cIMGTASiZqoIDMKqrggM4TEAAWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 16 Jan - Fri, 30 Jan BOS Boston ORD Chicago £95 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:16/01/2026TANYT&leg2=from:ORD,to:BOS,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:94.80&airProductToken=AQpFCiEIxJgBEgQyNjExGMGTASCpUSjUyoIDMK7LggM4RUAAWAEKIAjEmAESBDUwMjcYqVEgrhwolM2CAzDCzoIDOEVAAVgBCiMKIQjEmAESBDU2MDYYrhwgwZMBKMnsgwMw3u2DAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 16 Jul - Mon, 20 Jul BOS Boston ORD Chicago £127 Return found 16 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:16/07/2026TANYT&leg2=from:ORD,to:BOS,departure:20/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:126.20&airProductToken=AQo0CjIIwYIBEgQxMDA4GMGTASCuHCi_v5IDMPHAkgM4QkAAWAFqBUJBU0lDcghOVkRIWk5CWAo0CjIIwYIBEgQxNTU0GK4cIMGTASih7JIDMLDtkgM4QkAAWAFqBUJBU0lDcghPV0FIWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, 18 Feb - Sun, 8 Mar BOS Boston ORD Chicago £140 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:18/02/2026TANYT&leg2=from:ORD,to:BOS,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:139.10&airProductToken=AQojCiEI1YIBEgQxNDE0GMGTASCuHCj0vYUDMK2_hQM4R0AAWAEKIwohCNWCARIEMTE4MhiuHCDBkwEowo-HAzDOkIcDOEdAAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Wed, 11 Feb BOS Boston ORD Chicago £294 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ORD,departure:02/02/2026TANYT&leg2=from:ORD,to:BOS,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:293.50&airProductToken=AQpfCi4IwaYBEgM0NTkYwZMBIJIBKLCKhAMwuo2EAzhYQABYAWoCU1ZyCFFIMk9BVkJOCi0IwaYBEgM1MzgYkgEgrhwo7pCEAzDekoQDOFhAAVgBagJTVnIIR0gyT1pWQk4KXwotCMGmARIDNTg3GK4cIJIBKMjwhAMw5vKEAzhYQABYAWoCU1ZyCEdIMk9EVkJOCi4IwaYBEgM0NjAYkgEgwZMBKIz1hAMwxveEAzhYQAFYAWoCU1ZyCE9IMk9YVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Boston (BOS) to Chicago (CHI) ### September is typically the cheapest month to fly From £63 - £138 per traveller. ## Alternative airports near Chicago Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:ORD,departure:19/12/2025TANYT&leg2=from:ORD,to:BOS,departure:08/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ORD O'Hare Intl. Cheapest 23 min [Flights from £202 ](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:ORD,departure:19/12/2025TANYT&leg2=from:ORD,to:BOS,departure:08/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from Boston to Chicago route information__ | Origin airport | Logan Intl. | | ------------------- | ------------ | | Destination airport | O'Hare Intl. | | Return price | £68 | | Distance | 1381 km | ## Compare flights from Boston to Chicago easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston 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 Logan 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 Logan Intl. (BOS) to CHI-All Airports (CHI) The easiest way to view the best deals on flights from Boston 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 Logan Intl. to CHI-All Airports start at just £69 and range up to £294\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Boston and Chicago - booking your flight during January, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper Why you should book your Boston to Chicago flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan 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 Logan Intl. Airport (BOS) to Chicago, IL (CHI-All Airports)? ### Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to Chicago, IL (CHI-All Airports)? ### How do I find cheap flights from Logan Intl. Airport (BOS) to Chicago, IL (CHI-All Airports) that have flexible change policies? ### How far is the flight from Logan Intl. Airport (BOS) to Chicago, IL (CHI-All Airports)? ### Which airlines fly direct from BOS to Chicago, IL (CHI-All Airports)? > - American Airlines - (AA) with 230 monthly flights > - United Airlines - (UA) with 178 monthly flights > - Delta Air Lines - (DL) with 139 monthly flights > - Southwest Airlines - (WN) with 121 monthly flights ### Are BOS to Chicago, IL (CHI-All Airports) flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Aberdeen (ABZ) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/abz/ord/aberdeen-to-chicago) - [Flights from Accra (ACC) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/acc/ord/accra-to-chicago) - [Flights from Albany (ALB) to Aurora (AUZ) ](https://www.expedia.co.uk/lp/flights/alb/auz/albany-to-aurora) - [Flights from Amman (AMM) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/amm/ord/amman-to-chicago) - [Flights from Amsterdam (AMS) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/ams/ord/amsterdam-to-chicago) - 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[Flights from Charlotte (CLT) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/clt/ord/charlotte-to-chicago) - [Flights from Columbus (CMH) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/cmh/ord/columbus-to-chicago) - [Flights from Cincinnati (CVG) to Chicago (ORD) ](https://www.expedia.co.uk/lp/flights/cvg/ord/cincinnati-to-chicago) - [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.