Title: CA $118 Cheap Flights from Buffalo (BUF) to Chicago (CHI) - Expedia.ca ![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) # CA $118 Cheap Flights from Buffalo (BUF) to Chicago (CHI) [View CA $118 flight on Mon, Mar 30, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BUF,to:ORD,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:117.50&airProductToken=AQpeCi0IwmwSBDIwMDEYgS0gqVEouP-IAzCRgIkDOExAAFgBagJETnIIUEMyQVVFTDEKLQjCbBIEMTIwNRipUSCuHCiJgYkDML6CiQM4TEABWAFqAkROcghQQzJBVUVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) - [Roundtrip](?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 Buffalo Niagara Intl. Airport (BUF) to Chicago - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:CHI,departure:07/02/2026TANYT&leg2=from:CHI,to:BUF,departure:14/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](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.ca/login) ## Cheap flights from Buffalo (BUF) to Chicago (CHI) Prices were available within the past 7 days and start at CA $118 for one-way flights and CA $236 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sat, May 9 - Mon, May 11 BUF Buffalo ORD Chicago CA $236 Roundtrip found 11 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:09/05/2026TANYT&leg2=from:ORD,to:BUF,departure:11/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:236.00&airProductToken=AQpdCi0IwmwSBDE5MDEYgS0gqVEomcOMAzDtw4wDOExAAFgBagJETnIIUEMyQVVFTDEKLAjCbBIDNDA1GKlRIK4cKLnEjAMw6MWMAzhMQAFYAWoCRE5yCFBDMkFVRUwxClwKLAjCbBIDNDA2GK4cIKlRKN_cjAMw492MAzhMQABYAWoCRE5yCFBDMkFVRUwxCiwIwmwSAzEwMhipUSCBLSjC34wDMKvgjAM4TEABWAFqAkROcghQQzJBVUVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sun, Mar 1 - Wed, Mar 4 BUF Buffalo ORD Chicago CA $237 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:01/03/2026TANYT&leg2=from:ORD,to:BUF,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:236.60&airProductToken=AQpCCh8IwmwSBDIwMDEYgS0gqVEo1LmGAzCvuoYDOExAAFgBCh8IwmwSBDIxMDUYqVEgrhwoxLuGAzD8vIYDOExAAVgBCkIKHwjCbBIEMjEwNhiuHCCpUSiT34YDMKDghgM4TEAAWAEKHwjCbBIEMTIwMhipUSCBLSjT4IYDMLLhhgM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Fri, Mar 6 - Mon, Mar 9 BUF Buffalo ORD Chicago CA $244 Roundtrip found 11 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:06/03/2026TANYT&leg2=from:ORD,to:BUF,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:243.60&airProductToken=AQpeCi0IwmwSBDIwMDEYgS0gqVEo9PGGAzDP8oYDOExAAFgBagJETnIIUEMyQVVFTDEKLQjCbBIEMjEwNRipUSCuHCjV84YDMIz1hgM4TEABWAFqAkROcghQQzJBVUVMMQpeCi0IwmwSAzMxMhiuHCDBkwEoxJWHAzDQlocDOExAAFgBagJETnIIUEk0UVVFTDEKLQjCbBIDNDE1GMGTASCBLSjTmYcDMLWahwM4TEABWAFqAkROcghQSTRRQkVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sat, Feb 7 - Thu, Mar 12 BUF Buffalo ORD Chicago CA $245 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:07/02/2026TANYT&leg2=from:ORD,to:BUF,departure:12/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:244.80&airProductToken=AQpCCh8IwmwSAzIxNhiBLSDBkwEohMSEAzDYxIQDOExAAFgBCh8IwmwSAzgxMRjBkwEgrhwo08aEAzCPyIQDOExAAVgBCkIKHwjCbBIEMTIwNhiuHCCpUSiwuIcDMLy5hwM4TEAAWAEKHwjCbBIEMTIwMhipUSCBLSiSu4cDMPW7hwM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Feb 18 - Tue, Feb 24 BUF Buffalo ORD Chicago CA $246 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:18/02/2026TANYT&leg2=from:ORD,to:BUF,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:245.60&airProductToken=AQpCCh8IwmwSBDI1MDIYgS0gqVEokMKFAzDpwoUDOExAAFgBCh8IwmwSBDEzMDUYqVEgrhwokcWFAzDGxoUDOExAAVgBCkIKHwjCbBIDMzEyGK4cIMGTASjgg4YDMOyEhgM4TEAAWAEKHwjCbBIDNDE1GMGTASCBLSjvh4YDMNGIhgM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Fri, Feb 20 - Wed, Mar 11 BUF Buffalo ORD Chicago CA $247 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:20/02/2026TANYT&leg2=from:ORD,to:BUF,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:246.70&airProductToken=AQpCCh8IwmwSAzIxNhiBLSDBkwEorNWFAzCA1oUDOExAAFgBCh8IwmwSAzMxMRjBkwEgrhwokOCFAzDO4YUDOExAAVgBCkIKHwjCbBIEMjEwNhiuHCCpUSiorYcDMLWuhwM4TEAAWAEKHwjCbBIEMTIwMhipUSCBLSjsrocDMMuvhwM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Mar 4 - Sun, Mar 8 BUF Buffalo ORD Chicago CA $252 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:04/03/2026TANYT&leg2=from:ORD,to:BUF,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:251.30&airProductToken=AQpeCi0IwmwSBDIwMDEYgS0gqVEotNuGAzCP3IYDOExAAFgBagJETnIIUEMyQVVFTDEKLQjCbBIEMjEwNRipUSCuHCik3YYDMNzehgM4TEABWAFqAkROcghQQzJBVUVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Sun, Mar 8 BUF Buffalo ORD Chicago CA $267 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:04/03/2026TANYT&leg2=from:ORD,to:BUF,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:266.10&airProductToken=AQpmCjEIwYIBEgQ0NzM4GIEtIMsBKPzdhgMw0d6GAzhCQABYAWoFQkFTSUNyCE9VQUpaU0JaCjEIwYIBEgQ0NTcwGMsBIK4cKJXihgMwweOGAzhCQAFYAWoFQkFTSUNyCE9VQUpaU0JYCmgKMgjBggESBDI0ODkYrhwgwZMBKLaJhwMwwIqHAzhCQABYAWoFQkFTSUNyCE9VQUpaU0JYCjIIwYIBEgQ0MDY4GMGTASCBLSjPjIcDMLmNhwM4QkABWAFqBUJBU0lDcghPVUFKWlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Feb 11 - Mon, Feb 16 BUF Buffalo ORD Chicago CA $335 Roundtrip found 7 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:11/02/2026TANYT&leg2=from:ORD,to:BUF,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:334.90&airProductToken=AQpECiAIxJgBEgQ1Mjg0GIEtIKlRKNDvhAMwt_CEAzhFQABYAQogCMSYARIENTAyNRipUSCuHCjk84QDMJH1hAM4RUABWAEKRAogCMSYARIENTA5MBiuHCCpUSisqIUDML-phQM4RUAAWAEKIAjEmAESBDUyNjQYqVEggS0okq-FAzD6r4UDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 10 - Tue, Mar 17 BUF Buffalo ORD Chicago CA $442 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:ORD,departure:10/03/2026TANYT&leg2=from:ORD,to:BUF,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:441.80&airProductToken=AQozCjEI1YIBEgQzNDMzGIEtIK4cKOmjhwMw7KSHAzhUQABYAWoFMl9lY29yCFRBVTJBS0RTCjMKMQjVggESBDM0OTEYrhwggS0or_GHAzCa8ocDOFRAAFgBagUyX2Vjb3IIVEFVMkFLRFMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Buffalo (BUF) to Chicago (CHI) ### August is typically the cheapest month to fly From CA $164 - CA $543 per traveller. ## Alternative airports near Chicago Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:ORD,departure:07/02/2026TANYT&leg2=from:ORD,to:BUF,departure:09/02/2026TANYT&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 CA $253 ](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:ORD,departure:07/02/2026TANYT&leg2=from:ORD,to:BUF,departure:09/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from Buffalo to Chicago (BUF - ORD) route information__ | Origin airport | Buffalo Niagara Intl. | | ------------------- | --------------------- | | Destination airport | O'Hare Intl. | | Roundtrip price | CA $236 | | Distance | 755 km | ## Buffalo to Illinois Flights **The easy way to book your flights from Buffalo to Chicago** With Expedia, it’s simple to find and book flights to Chicago from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to CHI-All Airports, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to Chicago today, tomorrow, or this week. **Save dollars with cheap flights from Buffalo Niagara Intl., BUF to CHI-All Airports, CHI** Sort your search results by price to find great deals on your flight from Buffalo to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Buffalo currently is just CA $236 rising to CA $442\. Here are more money-saving tips: - Fly in May when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Chicago - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Chicago from Buffalo** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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[Flights from London (LHR) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/lhr/rfd/london-to-rockford) - [Flights from Mackinac Island (MCD) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/mcd/rfd/mackinac-island-to-rockford) - [Flights from Kansas City (MCI) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/mci/ord/kansas-city-to-chicago) - [Flights from Kansas City (MCI) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/mci/rfd/kansas-city-to-rockford) - [Flights from Orlando (MCO) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/mco/ord/orlando-to-chicago) - [Flights from Mexico City (MEX) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/mex/ord/mexico-city-to-chicago) - [Flights from Miami (MIA) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/mia/ord/miami-to-chicago) - [Flights from Minot (MOT) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/mot/ord/minot-to-chicago) - [Flights from Minot (MOT) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/mot/rfd/minot-to-rockford) - [Flights from Muscle Shoals (MSL) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/msl/rfd/muscle-shoals-to-rockford) - [Flights from Madison (MSN) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/msn/ord/madison-to-chicago) - [Flights from Minneapolis (MSP) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/msp/rfd/minneapolis-to-rockford) - [Flights from Tokyo (NRT) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/nrt/rfd/tokyo-to-rockford) - [Flights from Ogdensburg (OGS) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ogs/ord/ogdensburg-to-chicago) - [Flights from Omaha (OMA) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/oma/ord/omaha-to-chicago) - [Flights from Ontario (ONT) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ont/ord/ontario-to-chicago) - [Flights from Ontario (ONT) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/ont/rfd/ontario-to-rockford) - [Flights from Chicago (ORD) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/ord/rfd/chicago-to-rockford) - [Flights from Paducah (PAH) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/pah/rfd/paducah-to-rockford) - [Flights from Plattsburgh (PBG) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/pbg/ord/plattsburgh-to-chicago) - [Flights from Portland (PDX) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/pdx/ord/portland-to-chicago) - [Flights from Philadelphia (PHL) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/phl/ord/philadelphia-to-chicago) - [Flights from Pittsburgh (PIT) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/pit/ord/pittsburgh-to-chicago) - [Flights from Redding (RDD) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/rdd/rfd/redding-to-rockford) - [Flights from Rockford (RFD) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/rfd/ord/rockford-to-chicago) - [Flights from Roswell (ROW) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/row/rfd/roswell-to-rockford) - [Flights from San Diego (SAN) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/san/ord/san-diego-to-chicago) - [Flights from Louisville (SDF) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/sdf/ord/louisville-to-chicago) - [Flights from Santander (SDR) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/sdr/rfd/santander-to-rockford) - [Flights from San Francisco (SFO) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/sfo/ord/san-francisco-to-chicago) - [Flights from Salt Lake City (SLC) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/slc/ord/salt-lake-city-to-chicago) - [Flights from Syracuse (SYR) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/syr/rfd/syracuse-to-rockford) - [Flights from Sault Ste. Marie (YAM) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yam/ord/sault-ste-marie-to-chicago) - [Flights from Nanaimo (YCD) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ycd/ord/nanaimo-to-chicago) - [Flights from Edmonton (YEG) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yeg/rfd/edmonton-to-rockford) - [Flights from Fredericton (YFC) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yfc/ord/fredericton-to-chicago) - [Flights from Kingston (YGK) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ygk/ord/kingston-to-chicago) - [Flights from Hamilton (YHM) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yhm/rfd/hamilton-to-rockford) - [Flights from Halifax (YHZ) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yhz/rfd/halifax-to-rockford) - [Flights from Kamloops (YKA) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yka/ord/kamloops-to-chicago) - [Flights from Kelowna (YLW) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/ylw/rfd/kelowna-to-rockford) - [Flights from Ottawa (YOW) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yow/rfd/ottawa-to-rockford) - [Flights from Peterborough (YPQ) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ypq/ord/peterborough-to-chicago) - [Flights from Québec (YQB) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yqb/ord/quebec-to-chicago) - [Flights from Moncton (YQM) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yqm/ord/moncton-to-chicago) - [Flights from Sudbury (YSB) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ysb/ord/sudbury-to-chicago) - [Flights from Toronto (YTO) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yto/rfd/toronto-to-rockford) - [Flights from Toronto (YTZ) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/ytz/ord/toronto-to-chicago) - [Flights from Montreal (YUL) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yul/rfd/montreal-to-rockford) - [Flights from Vancouver (YVR) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yvr/rfd/vancouver-to-rockford) - [Flights from Winnipeg (YWG) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/ywg/rfd/winnipeg-to-rockford) - [Flights from Abbotsford (YXX) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yxx/ord/abbotsford-to-chicago) - [Flights from North Bay (YYB) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yyb/ord/north-bay-to-chicago) - [Flights from Calgary (YYC) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yyc/rfd/calgary-to-rockford) - [Flights from Charlottetown (YYG) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yyg/ord/charlottetown-to-chicago) - [Flights from St. John's (YYT) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yyt/ord/st-johns-to-chicago) - [Flights from Toronto (YYZ) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yyz/ord/toronto-to-chicago) - [Flights from Toronto (YYZ) to Rockford (RFD) ](https://www.expedia.ca/lp/flights/yyz/rfd/toronto-to-rockford) - [Flights from Sarnia (YZR) to Chicago (ORD) ](https://www.expedia.ca/lp/flights/yzr/ord/sarnia-to-chicago) \*Available to Expedia members.