Title: CA $108 Cheap Flights from Chicago (CHI) to San Antonio (SAT) - Expedia.ca ![](https://images.trvl-media.com/place/178303/f064855c-c445-4fbe-ad43-4a2de1aff6a8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178303/f064855c-c445-4fbe-ad43-4a2de1aff6a8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $108 Cheap Flights from Chicago (CHI) to San Antonio (SAT) [View CA $108 flight on Fri, Jan 23, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:107.94&airProductToken=AQpcCisIzpYBEgMyMTMYrhwg5Voo46CDAzCnooMDOFdAAFgBagJSUHIGV0EyMU5SCi0IzpYBEgQxNjQ1GOVaIJKYASifpYMDMOymgwM4V0ABWAFqAlJQcgZXQTIxTlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) - [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 Chicago to San Antonio, TX (SAT-San Antonio Intl.) - ![Delta](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:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&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.ca/Flights-Search?leg1=from:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&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.ca/Flights-Search?leg1=from:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![United](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:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&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.ca/Flights-Search?leg1=from:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&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.ca/Flights-Search?leg1=from:CHI,to:SAT,departure:29/12/2025TANYT&leg2=from:SAT,to:CHI,departure:05/01/2026TANYT&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 30% 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.ca/login) ## Cheap flights from Chicago (CHI) to San Antonio (SAT) Prices were available within the past 7 days and start at CA $108 for one-way flights and CA $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $274 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:273.81&airProductToken=AQpcCisIzpYBEgMyMTMYrhwg5Voo46CDAzCnooMDOFdAAFgBagJSUHIGV0EyMU5SCi0IzpYBEgQxNjQ1GOVaIJKYASifpYMDMOymgwM4V0ABWAFqAlJQcgZXQTIxTlIKWgotCM6WARIEMTY1NRiSmAEg5Voow7KDAzDis4MDOEdAAFgBagJSUHIGR0EzME5SCikIzpYBEgExGOVaIK4cKOe1gwMwt7eDAzhHQAFYAWoCUlByBkdBMzBOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $287 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:286.21&airProductToken=AQpcCisIzpYBEgMyMTMYrhwg5Voo46CDAzCnooMDOFdAAFgBagJSUHIGV0EyMU5SCi0IzpYBEgQxNjQ1GOVaIJKYASifpYMDMOymgwM4V0ABWAFqAlJQcgZXQTIxTlIKXQotCM6WARIEMzEyNRiSmAEgzHAozrCDAzDpsYMDOFdAAFgBagJSUHIGV0EyMU5SCiwIzpYBEgQxNjA2GMxwIK4cKLu0gwMw-LWDAzhXQAFYAWoCUlByBldBMjFOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $288 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:287.58&airProductToken=AQpcCisIzpYBEgMzOTIYrhwgzHAohJ2DAzCrnoMDOFdAAFgBagJSUHIGV0EyMU5SCi0IzpYBEgQyMDYzGMxwIJKYASjjoIMDMKCigwM4V0ABWAFqAlJQcgZXQTIxTlIKWgotCM6WARIEMTY1NRiSmAEg5Voow7KDAzDis4MDOEdAAFgBagJSUHIGR0EzME5SCikIzpYBEgExGOVaIK4cKOe1gwMwt7eDAzhHQAFYAWoCUlByBkdBMzBOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $300 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:299.98&airProductToken=AQpcCisIzpYBEgMzOTIYrhwgzHAohJ2DAzCrnoMDOFdAAFgBagJSUHIGV0EyMU5SCi0IzpYBEgQyMDYzGMxwIJKYASjjoIMDMKCigwM4V0ABWAFqAlJQcgZXQTIxTlIKXAotCM6WARIEMzEyNRiSmAEgzHAozrCDAzDpsYMDOFdAAFgBagJSUHIGV0EyMU5SCisIzpYBEgMzOTMYzHAgrhwopLWDAzDltoMDOFdAAVgBagJSUHIGV0EyMU5SEgoIARABGAEqAk5LGAEiBAgBEAEoAigDKAQwDQ) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $334 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:333.05&airProductToken=AQpdCiwIzpYBEgQxNjA1GK4cIMxwKJCcgwMwup2DAzhHQABYAWoCUlByBkdBMjFOUgotCM6WARIEMjA2MxjMcCCSmAEo46CDAzCgooMDOEdAAVgBagJSUHIGR0EyMU5SClwKLQjOlgESBDE2NTUYkpgBIOVaKMOygwMw4rODAzhHQABYAWoCUlByBkdBMzBOUgorCM6WARIDMjEyGOVaIK4cKJK1gwMw4raDAzhHQAFYAWoCUlByBkdBMzBOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $346 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:345.44&airProductToken=AQpdCiwIzpYBEgQxNjA1GK4cIMxwKJCcgwMwup2DAzhHQABYAWoCUlByBkdBMjFOUgotCM6WARIEMjA2MxjMcCCSmAEo46CDAzCgooMDOEdAAVgBagJSUHIGR0EyMU5SClwKLQjOlgESBDMxMjUYkpgBIMxwKM6wgwMw6bGDAzhXQABYAWoCUlByBldBMjFOUgorCM6WARIDMzkzGMxwIK4cKKS1gwMw5baDAzhXQAFYAWoCUlByBldBMjFOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $434 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:433.24&airProductToken=AQo0CjIIwYIBEgQxMjc1GK4cIJKYASidoIMDMNqhgwM4QkAAWAFqBUJBU0lDcghTV0FJWU5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $458 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:457.34&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JqDAzCGnYMDOFhAAFgBagJTVnIIT0gyT0FWQk4KLgjBpgESAzQ5NBiSASCSmAEovJ2DAzCxn4MDOFhAAVgBagJTVnIIT0gyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Jan 23 - Sun, Jan 25 ORD Chicago SAT San Antonio CA $475 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:23/01/2026TANYT&leg2=from:SAT,to:ORD,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:474.54&airProductToken=AQpvCjUIxJgBEgQzOTQxGK4cIMx8KMeegwMwrJ-DAzhFQABYAWoJTUFJTkJBU0lDcghYQVdOQTBCQwo2CMSYARIEMjc3MxjMfCCSmAEo3p-DAzCWoYMDOEVAAVgBaglNQUlOQkFTSUNyCFhBV05BMEJDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Dec 25 - Tue, Jan 13 ORD Chicago SAT San Antonio CA $543 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAT,departure:25/12/2025TANYT&leg2=from:SAT,to:ORD,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:542.70&airProductToken=AQojCiEI1YIBEgQxNjU1GK4cIJKYASiF2oADMMbbgAM4TEAAWAEKIwohCNWCARIEMTMzMhiSmAEgrhwo5KqCAzCPrIIDOEtAAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ## Find the cheapest month to fly from Chicago (CHI) to San Antonio (SAT) ### April is typically the cheapest month to fly From CA $175 - CA $690 per traveller. __Flight from Chicago to San Antonio (ORD - SAT) route information__ | Origin airport | O'Hare Intl. | | ------------------- | ----------------- | | Destination airport | San Antonio Intl. | | Roundtrip price | CA $274 | | Distance | 1668 km | ## Illinois to San Antonio Flights **The easy way to book your flights from Chicago to San Antonio** With Expedia, it’s simple to find and book flights to San Antonio from Chicago 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 San Antonio Intl., 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 Chicago to San Antonio today, tomorrow, or this week. **Save dollars with cheap flights from CHI-All Airports, CHI to San Antonio Intl., SAT** Sort your search results by price to find great deals on your flight from Chicago to San Antonio—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Antonio from Chicago currently is just CA $274 rising to CA $543\. Here are more money-saving tips: - Fly in January when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to San Antonio - 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 San Antonio from Chicago** 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. So book your flight to San Antonio with Expedia today. ## Frequently asked questions ### How much is a flight from Chicago, IL (CHI-All Airports) to San Antonio Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Chicago, IL (CHI-All Airports) to San Antonio Airport? ### How do I find cheap flights from Chicago, IL (CHI-All Airports) to San Antonio Intl. Airport (SAT) that have flexible change policies? ### How far is the flight from Chicago, IL (CHI-All Airports) to San Antonio Intl. Airport (SAT)? ### Which airlines fly direct from Chicago, IL (CHI-All Airports) to San Antonio Airport? ### Are Chicago, IL (CHI-All Airports) to San Antonio Airport flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia \*Available to Expedia members.