Title: £157 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) # £157 Cheap Flights from St. Louis (STL) to Chicago (CHI) [View £157 flight on Mon, 5 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:STL,to:ORD,departure:05/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:156.50&airProductToken=AQpeCi0IwaYBEgMzODgY8lwgkgEo3tSBAzDv1oEDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzMyOBiSASCuHCj52IEDMO3agQM4WEABWAFqAlNWcghPSDJPQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) - [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:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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:STL,to:CHI,departure:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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:STL,to:CHI,departure:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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:06/12/2025TANYT&leg2=from:CHI,to:STL,departure:13/12/2025TANYT&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 £157 for one-way flights and £166 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) Thu, 27 Nov - Sat, 6 Dec STL St. Louis ORD Chicago £166 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:27/11/2025TANYT&leg2=from:ORD,to:STL,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:165.10&airProductToken=AQpECiAIxJgBEgQxNzAzGPJcIOBcKICb_gIw4Zv-AjhFQABYAQogCMSYARIEMjczOBjgXCCuHCivnP4CMKud_gI4RUABWAEKRAogCMSYARIEMTQ1NhiuHCDgXCikgf8CMJ2C_wI4RUAAWAEKIAjEmAESBDEzOTMY4Fwg8lwo2IL_AjDAg_8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 25 Nov - Thu, 27 Nov STL St. Louis ORD Chicago £174 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:25/11/2025TANYT&leg2=from:ORD,to:STL,departure:27/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:173.90&airProductToken=AQoiCiAIwYIBEgQzNDYxGPJcIK4cKNeG_gIwrIf-AjhPQABYAQoiCiAIwYIBEgQ0OTcwGK4cIPJcKPyY_gIw0Zn-AjhPQABYARIKCAEQARgBKgJBQRgBIgQIARABKAgoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, 27 Nov - Mon, 8 Dec STL St. Louis ORD Chicago £197 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:27/11/2025TANYT&leg2=from:ORD,to:STL,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:196.20&airProductToken=AQpECiAIxJgBEgQxNzAzGPJcIOBcKICb_gIw4Zv-AjhFQABYAQogCMSYARIEMjczOBjgXCCuHCivnP4CMKud_gI4RUABWAEKRAogCMSYARIEMTQ1NhiuHCDgXCjVl_8CMMuY_wI4RUAAWAEKIAjEmAESBDEzOTMY4Fwg8lwol5n_AjD8mf8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, 27 Nov - Fri, 5 Dec STL St. Louis ORD Chicago £227 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:27/11/2025TANYT&leg2=from:ORD,to:STL,departure:05/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:226.30&airProductToken=AQpECiAIxJgBEgQxNzAzGPJcIOBcKICb_gIw4Zv-AjhFQABYAQogCMSYARIEMjczOBjgXCCuHCivnP4CMKud_gI4RUABWAEKRAogCMSYARIEMTQ1NhiuHCDgXCiI9v4CMIH3_gI4RUAAWAEKIAjEmAESBDEzOTMY4Fwg8lwot_f-AjCc-P4COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 1 Dec - Sat, 6 Dec STL St. Louis ORD Chicago £272 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:01/12/2025TANYT&leg2=from:ORD,to:STL,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:271.50&airProductToken=AQpECiAIxJgBEgQxMzkzGPJcIOBcKN7L_gIwycz-AjhFQABYAQogCMSYARIEMTE5ORjgXCCuHCiLzf4CMIrO_gI4RUABWAEKRAogCMSYARIEMTQ1NhiuHCDgXCikgf8CMJ2C_wI4RUAAWAEKIAjEmAESBDEzOTMY4Fwg8lwo2IL_AjDAg_8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 25 Nov - Thu, 4 Dec STL St. Louis ORD Chicago £283 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:25/11/2025TANYT&leg2=from:ORD,to:STL,departure:04/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:282.50&airProductToken=AQoiCiAIwYIBEgQzNDYxGPJcIK4cKNeG_gIwrIf-AjhPQABYAQoiCiAIwYIBEgQ0OTI0GK4cIPJcKO_s_gIwwe3-AjhWQABYARIKCAEQARgBKgJBQRgBIgQIARABKAgoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 1 Dec - Mon, 8 Dec STL St. Louis ORD Chicago £303 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:01/12/2025TANYT&leg2=from:ORD,to:STL,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:302.70&airProductToken=AQpECiAIxJgBEgQxMzkzGPJcIOBcKN7L_gIwycz-AjhFQABYAQogCMSYARIEMTE5ORjgXCCuHCiLzf4CMIrO_gI4RUABWAEKRAogCMSYARIEMTQ1NhiuHCDgXCjVl_8CMMuY_wI4RUAAWAEKIAjEmAESBDEzOTMY4Fwg8lwol5n_AjD8mf8COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, 27 Nov - Fri, 28 Nov STL St. Louis ORD Chicago £322 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:27/11/2025TANYT&leg2=from:ORD,to:STL,departure:28/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:322.00&airProductToken=AQpECiAIxJgBEgQxNzAzGPJcIOBcKICb_gIw4Zv-AjhWQABYAQogCMSYARIEMjczOBjgXCCuHCivnP4CMKud_gI4VkABWAEKRAogCMSYARIEMTI2NBiuHCDgXCjLo_4CMMqk_gI4S0AAWAEKIAjEmAESBDE3MDMY4Fwg8lwo7aT-AjDVpf4COEtAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 30 Nov - Tue, 2 Dec STL St. Louis ORD Chicago £325 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:30/11/2025TANYT&leg2=from:ORD,to:STL,departure:02/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:324.40&airProductToken=AQoiCiAI1YIBEgQ0NDIzGPJcIK4cKM66_gIwp7v-AjhRQABYAQoiCiAI1YIBEgQ0NDg3GK4cIPJcKIvY_gIw3dj-AjhUQABYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 17 Dec - Wed, 24 Dec STL St. Louis ORD Chicago £465 Return found 21 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:ORD,departure:17/12/2025TANYT&leg2=from:ORD,to:STL,departure:24/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:465.00&airProductToken=AQpeCi0IwaYBEgM0NzMY8lwgkgEojPr_AjCk_P8COFhAAFgBagJTVnIITkgyT0FWQk4KLQjBpgESAzQxMBiSASCuHCi1__8CMK6BgAM4WEABWAFqAlNWcghRSDJPWFZCTgpeCi0IwaYBEgM1ODcYrhwgkgEoqMmAAzDHy4ADOFhAAFgBagJTVnIITEg0T0FVQk4KLQjBpgESAzQ3MhiSASDyXCj9zoADMOfQgAM4WEABWAFqAlNWcghOSDJPQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_FR-DE-MX-UK_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Save up to 40% on select hotels. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_BF_PROMO_) ## Find the cheapest month to fly from St. Louis (STL) to Chicago (CHI) ### August is typically the cheapest month to fly From £58 - £230 per traveller. Flight from St. Louis to Chicago route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | O'Hare Intl. | | Return price | £165 | | 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 £166 and range up to £465.   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 November, 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.   ## 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) - [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 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.