Title: £47 Cheap Flights from Denver to Chicago (DEN 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) # £47 Cheap Flights from Denver (DEN) to Chicago (CHI) [View £47 flight on Tue, 30 Sept 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:DEN,to:ORD,departure:30/09/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:46.70&airProductToken=AQozCjEIwYIBEgQyNDUxGINpIK4cKMmR-QIw65L5AjhCQABYAWoFQkFTSUNyCE9VQUlVU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) - [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 Denver International Airport (DEN) to Chicago - ![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:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![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:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&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:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&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:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:den,to:chi,departure:03/10/2025TANYT&leg2=from:chi,to:den,departure:10/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) ![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 Denver (DEN) to Chicago (CHI) Prices were available within the past 7 days and start at £47 for one-way flights and £116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £116 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:115.90&airProductToken=AQozCjEIwYIBEgQyNzcxGINpIK4cKIGm-wIwmqf7AjhCQABYAWoFQkFTSUNyCE9WQUlYU0JYCjMKMQjBggESBDEzODcYrhwgg2koosH7AjDTwvsCOEJAAFgBagVCQVNJQ3IIT1ZBSVhTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £130 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQozCjEIwYIBEgQyODc4GINpIK4cKIqq-wIwq6v7AjhCQABYAWoFQkFTSUNyCE9WQUlYU0JYCjMKMQjBggESBDExNjAYrhwgg2kotL37AjDTvvsCOEJAAFgBagVCQVNJQ3IIUVdBVVpOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £138 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.40&airProductToken=AQoyCjAIwYIBEgM4MDEYg2kgrhwolKn7AjC3qvsCOEJAAFgBagVCQVNJQ3IIT1dBVVVOQlgKMwoxCMGCARIEMTc3ORiuHCCDaSjLv_sCMO7A-wI4QkAAWAFqBUJBU0lDcghOV0FVWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £139 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:138.10&airProductToken=AQptCjQIxJgBEgM0MzEYg2kg4Fwo8aX7AjCjp_sCOEVAAFgBaglNQUlOQkFTSUNyCFZBV05BMEJHCjUIxJgBEgQxNDc3GOBcIK4cKJOo-wIwjqn7AjhFQAFYAWoJTUFJTkJBU0lDcghWQVdOQTBCRxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £142 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:141.70&airProductToken=AQo0CjII1YIBEgMzNzcYg2kgrhwolKz7AjCrrfsCOEdAAFgBagdFQ09OT01ZcghHQUcyQUtEUxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, 22 Oct - Sat, 8 Nov DEN Denver ORD Chicago £145 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:22/10/2025TANYT&leg2=from:ORD,to:DEN,departure:08/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:145.00&airProductToken=AQoiCiAIwYIBEgQyNzcxGINpIK4cKKGE-wIwuoX7AjhPQABYAQoiCiAIwYIBEgQxMzg3GK4cIINpKNHJ_AIw9cr8AjhPQABYARIKCAEQARgBKgJBQRgBIgQIARABKAgoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, 1 Oct - Sat, 18 Oct DEN Denver ORD Chicago £145 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:01/10/2025TANYT&leg2=from:ORD,to:DEN,departure:18/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:145.00&airProductToken=AQohCh8I1YIBEgMzNzcYg2kgrhwolJ75AjCrn_kCOEdAAFgBCiIKIAjVggESBDI2NjYYrhwgg2ko2dX6AjD61voCOEdAAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £153 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:152.10&airProductToken=AQpoCjIIwYIBEgQzMjk5GINpIOKaASjnrfsCMKSv-wI4QkAAWAFqBUJBU0lDcghOVkFVWk5CWAoyCMGCARIEMTQwORjimgEgrhwo5LD7AjDlsfsCOEJAAVgBagVCQVNJQ3IITlZBVVpOQlgKMwoxCMGCARIEMjc1NRiuHCCDaSjwu_sCMI-9-wI4QkAAWAFqBUJBU0lDcghPVkFJWFNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 25 Oct - Mon, 27 Oct DEN Denver ORD Chicago £155 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:25/10/2025TANYT&leg2=from:ORD,to:DEN,departure:27/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:154.20&airProductToken=AQpgCi4IwaYBEgQxMTI5GINpIJJoKMyp-wIw26r7AjhYQABYAWoCU1ZyCEdIMk9YVUJOCi4IwaYBEgQxMTg4GJJoIK4cKJOr-wIwq637AjhYQAFYAWoCU1ZyCEdINU9YVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Mon, 29 Sept - Thu, 2 Oct DEN Denver ORD Chicago £324 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:ORD,departure:29/09/2025TANYT&leg2=from:ORD,to:DEN,departure:02/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:323.60&airProductToken=AQpeCi0IwmwSAzk5NBiDaSDBkwEop4n5AjCSi_kCOExAAFgBagJETnIIT0k0QVVFTDEKLQjCbBIDMzExGMGTASCuHCjUi_kCMISN-QI4TEABWAFqAkROcghQSTRRVUVMMQpbCiwIwmwSAzkwNhiuHCCpUSjbpfkCMOum-QI4TEAAWAFqAkROcghVSTRRUkVMMQorCMJsEgI5NxipUSCDaSi-qPkCMMuq-QI4TEABWAFqAkROcghVSTRBUkVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ## Find the cheapest month to fly from Denver (DEN) to Chicago (CHI) ### March is typically the cheapest month to fly From £35 - £372 per traveller. ## Frequently asked questions ### How much is a flight from DIA airport to Chicago, IL (CHI-All Airports)? > If you're planning on travelling between DEN and Chicago, IL (CHI-All Airports), round-trip journeys start from £116. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself 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 Denver Intl. Airport (DEN) to Chicago, IL (CHI-All Airports)? > Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Denver Airport 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 DEN 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 Denver Airport to Chicago, IL (CHI-All Airports)? > That new movie you've been desperate to see will just have to wait — the flight distance between DEN and Chicago, IL (CHI-All Airports) is only 1,350 kilometres. The captain will be telling you to put your seat upright for landing before you know it. ### Which airlines fly direct from DIA airport to Chicago, IL (CHI-All Airports)? > Travelling from Denver Airport to Chicago, IL (CHI-All Airports) is easy when you have a good range of airlines to select from. These are some of the best: > > > > - Southwest Airlines - (WN) with 434 monthly flights > - United Airlines - (UA) with 269 monthly flights > - American Airlines - (AA) with 91 monthly flights > - Frontier Airlines - (F9) with 47 monthly flights ### Are Denver Airport to Chicago, IL (CHI-All Airports) flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Denver Intl. Airport (DEN) to Chicago, IL (CHI-All Airports) last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia. ## Travel information | Origin airport | Denver Intl. | | --- | --- | | Destination airport | O'Hare Intl. | | Return price | £116 | | Distance | 1417 km | ## Book with confidence ### Compare flights from Denver to Chicago easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver 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 Denver 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 Denver Intl. (DEN) to CHI-All Airports (CHI) The easiest way to view the best deals on flights from Denver 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 Denver Intl. to CHI-All Airports start at just £116 and range up to £324.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Denver and Chicago - booking your flight during October, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Denver to Chicago flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver 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.   ## Explore a world of travel with Expedia - 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) - [Flights from Athens (ATH) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/ath/ord/athens-to-chicago) - [Flights from Austin (AUS) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/aus/ord/austin-to-chicago) - [Flights from Barcelona (BCN) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/bcn/ord/barcelona-to-chicago) - 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[Flights from Baltimore (BWI) to Aurora (AUZ)](https://www.expedia.co.uk/lp/flights/bwi/auz/baltimore-to-aurora) - [Flights from Kolkata (CCU) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/ccu/ord/kolkata-to-chicago) - [Flights from Paris (CDG) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/cdg/ord/paris-to-chicago) - [Flights from Chattanooga (CHA) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/cha/ord/chattanooga-to-chicago) - [Flights from Charleston (CHS) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/chs/ord/charleston-to-chicago) - [Flights from Cedar Rapids (CID) to Chicago (ORD)](https://www.expedia.co.uk/lp/flights/cid/ord/cedar-rapids-to-chicago) - [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.