Title: £34 Cheap Flights from St. Louis to Chicago (STL 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) # £34 Cheap Flights from St. Louis (STL) to Chicago (CHI) [View £34 flight on Sun, 15 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:STL,to:ORD,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:34.00&airProductToken=AQozCjEIwYIBEgQzNDYxGPJcIK4cKNShhQMwoKKFAzhCQABYAWoFQkFTSUNyCE83QVdaU0JaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) - [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 Lambert-St. Louis International Airport (STL) 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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southern Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_9X.svg) Southern Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"9X"}}]) - ![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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&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:stl,to:chi,departure:21/10/2025TANYT&leg2=from:chi,to:stl,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ![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 St. Louis (STL) to Chicago (CHI) Prices were available within the past 7 days and start at £34 for one-way flights and £174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Fri, 17 Oct - Fri, 24 Oct STL St. Louis ORD Chicago £174 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/10/2025TANYT&leg2=from:ORD,to:STL,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:173.80&airProductToken=AQpPCiUIubABEgM0NjYY8lwglGoovMz6AjDvzPoCOE1AAFgBcgRNN05SCiYIubABEgM0ODEYlGogrhwo9876AjDfz_oCOEtAAVgBcgVLMENOWApQCiYIubABEgM0ODIYrhwglGoo25r7AjDDm_sCOEtAAFgBcgVLMENOWAomCLmwARIDNDYzGJRqIPJcKJ2e-wIwz577AjhLQAFYAXIFSzE0TkMSCggBEAEYASoCSFIYASIECAEQASgCKAMoBDAB) ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Mon, 13 Oct - Mon, 20 Oct STL St. Louis ORD Chicago £176 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:13/10/2025TANYT&leg2=from:ORD,to:STL,departure:20/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:175.10&airProductToken=AQpPCiUIubABEgM0NjAY8lwglGoomKH6AjDLofoCOE1AAFgBcgRNN05SCiYIubABEgM0ODEYlGogrhwo96H6AjDfovoCOEtAAVgBcgVLMENOWApQCiYIubABEgM0ODIYrhwglGoo2-36AjDD7voCOEtAAFgBcgVLMENOWAomCLmwARIDNDY1GJRqIPJcKIrv-gIwvO_6AjhLQAFYAXIFSzE0TkMSCggBEAEYASoCSFIYASIECAEQASgCKAMoBDAB) ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Thu, 16 Oct - Fri, 24 Oct STL St. Louis ORD Chicago £180 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:16/10/2025TANYT&leg2=from:ORD,to:STL,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:179.20&airProductToken=AQpCCh8IubABEgM0NjAY8lwglGoo-ML6AjCrw_oCOE1AAFgBCh8IubABEgM0ODkYlGogrhwo4Mr6AjDIy_oCOEtAAVgBCkIKHwi5sAESAzQ4OBiuHCCUaiiCnfsCMOqd-wI4UUAAWAEKHwi5sAESAzQ2MxiUaiDyXCidnvsCMM-e-wI4UUABWAESCggBEAEYASoCSFIYASIECAEQASgEMAE) ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Mon, 13 Oct - Wed, 15 Oct STL St. Louis ORD Chicago £182 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:13/10/2025TANYT&leg2=from:ORD,to:STL,departure:15/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:181.30&airProductToken=AQpPCiUIubABEgM0NjAY8lwglGoomKH6AjDLofoCOE1AAFgBcgRNN05SCiYIubABEgM0ODEYlGogrhwo96H6AjDfovoCOEtAAVgBcgVLMENOWApPCiYIubABEgM0ODIYrhwglGoou7X6AjCjtvoCOEtAAFgBcgVLMENOWAolCLmwARIDNDYzGJRqIPJcKP24-gIwr7n6AjhNQAFYAXIETTdOUhIKCAEQARgBKgJIUhgBIgQIARABKAIoAygEMAE) ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Fri, 17 Oct - Thu, 23 Oct STL St. Louis ORD Chicago £187 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/10/2025TANYT&leg2=from:ORD,to:STL,departure:23/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:186.70&airProductToken=AQpCCh8IubABEgM0NjAY8lwglGoomM76AjDLzvoCOEtAAFgBCh8IubABEgM0ODEYlGogrhwo9876AjDfz_oCOEtAAVgBCkIKHwi5sAESAzQ4OBiuHCCUaijikfsCMMqS-wI4S0AAWAEKHwi5sAESAzQ2NxiUaiDyXCjCmvsCMPSa-wI4UUABWAESCggBEAEYASoCSFIYASIECAEQASgEMAE) ![Southern Airways Express](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/9X.gif) Thu, 9 Oct - Thu, 16 Oct STL St. Louis ORD Chicago £190 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:09/10/2025TANYT&leg2=from:ORD,to:STL,departure:16/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:189.10&airProductToken=AQpPCiUIubABEgM0NjAY8lwglGoomPT5AjDL9PkCOEJAAFgBcgRCME5SCiYIubABEgM0ODEYlGogrhwo9_T5AjDf9fkCOEtAAVgBcgVLMENOWApQCiYIubABEgM0ODIYrhwglGoo28D6AjDDwfoCOEtAAFgBcgVLMENOWAomCLmwARIDNDY1GJRqIPJcKIrC-gIwvML6AjhLQAFYAXIFSzE0TkMSCggBEAEYASoCSFIYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, 17 Oct - Fri, 24 Oct STL St. Louis ORD Chicago £299 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/10/2025TANYT&leg2=from:ORD,to:STL,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.30&airProductToken=AQo1CjMI1YIBEgQ0NTk3GPJcIK4cKLzM-gIwls36AjhIQABYAWoHRUNPTk9NWXIISEFBN0FLRU4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 18 Feb - Wed, 25 Feb STL St. Louis ORD Chicago £299 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:18/02/2026TANYT&leg2=from:ORD,to:STL,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.40&airProductToken=AQpeCi0IwaYBEgM0NzMY8lwgkgEo7L6FAzD2wIUDOFhAAFgBagJTVnIIUUgyT1hVQk4KLQjBpgESAzQxMBiSASCuHCiBwoUDMPbDhQM4WEABWAFqAlNWcghPSDdPQVZCTgpeCi0IwaYBEgMzMjkYrhwgkgEogI-GAzCikYYDOFhAAFgBagJTVnIIT0gyT0FWQk4KLQjBpgESAzYxNRiSASDyXCjYk4YDMMSVhgM4WEABWAFqAlNWcghRSDJPWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, 17 Oct - Fri, 24 Oct STL St. Louis ORD Chicago £300 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/10/2025TANYT&leg2=from:ORD,to:STL,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:299.30&airProductToken=AQoyCjAIwYIBEgQyNDQ0GPJcIK4cKPTK-gIwx8v6AjhMQABYAWoETUFJTnIITDdBSVpOTjEKUAomCLmwARIDNDgyGK4cIJRqKNua-wIww5v7AjhLQABYAXIFSzBDTlgKJgi5sAESAzQ2MxiUaiDyXCidnvsCMM-e-wI4S0ABWAFyBUsxNE5DEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 17 Oct - Fri, 24 Oct STL St. Louis ORD Chicago £344 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/10/2025TANYT&leg2=from:ORD,to:STL,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:343.10&airProductToken=AQpuCjUIxJgBEgQxNTE1GPJcIMx8KKfQ-gIwh9H6AjhLQABYAWoJTUFJTkVYVFJBcghLQTdSQTBNRQo1CMSYARIEMTU2MxjMfCCuHCiy0foCMIvS-gI4S0ABWAFqCU1BSU5FWFRSQXIIS0E3UkEwTUUSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from St. Louis (STL) to Chicago (CHI) ### August is typically the cheapest month to fly From £56 - £218 per traveller. Flight from St. Louis to Chicago route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | O'Hare Intl. | | Return price | £174 | | Distance | 413 km | ## Compare flights from St. Louis to Chicago easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis 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 Lambert-St. Louis 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 Lambert-St. Louis Intl. (STL) to CHI-All Airports (CHI) The easiest way to view the best deals on flights from St. Louis 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 Lambert-St. Louis Intl. to CHI-All Airports start at just £174 and range up to £344.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near St. Louis 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 St. Louis to Chicago flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis 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 St. Louis Lambert International Airport to Chicago, IL (CHI-All Airports)? > The lowest price advertised for a round-trip journey from Lambert Field to Chicago, IL (CHI-All Airports) is £174. But you better act soon. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Chicago, IL (CHI-All Airports)? > The majority of flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from STL 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 Lambert-St. Louis Intl. Airport (STL) 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 STL to Chicago, IL (CHI-All Airports)? > With a flight distance of 400 kilometres, it's only a hop from Lambert Field to Chicago, IL (CHI-All Airports). It might be a quick journey, but it's still worth packing something to keep you entertained on board. ### Which airlines fly direct from Lambert Field to Chicago, IL (CHI-All Airports)? > Southwest Airlines (WN) is one of the top choices for travellers jetting between STL and Chicago, IL (CHI-All Airports). Choose from the 208 flights it offers on this route each month. United Airlines (UA) is another popular choice. It operates 208 flights per month. Between these two airlines, you'll be able to find a good deal from St. Louis to Illinois. ### Are STL to Chicago, IL (CHI-All Airports) flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some super cheap fares from Lambert Field to Chicago, IL (CHI-All Airports) popping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. 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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.