Title: $36 Cheap flights from Alton, IL - Expedia.com ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $36 Cheap flights from Alton, IL [View $36 flight on Wed, Apr 8, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:STL,to:DEN,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:35.62&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7OuJAzCF7YkDOEVAAFgBagRQQ18xcgdLMTRYWFMyEgoIARABGAEqAkY5GAEiBAgBEAEoAigDMA0) [Alton Travel Guide](https://expedia.com/Alton.dx6108)[Hotels in Alton](https://expedia.com/Alton-Hotels.d6108.Travel-Guide-Hotels)[Car Rentals in Alton](https://expedia.com/Car-Rentals-In-Alton.d6108.Car-Rental-Guide)[Alton Vacation Packages](https://expedia.com/Alton.d6108.Destination-Travel-Guides) ## Popular airlines from Alton - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada - ![](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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Today's featured flight deals from Alton Nonstop Carry-on included Lower price than typical - St. Louis (STL)Las Vegas (LAS) Tue, Apr 14 Sun, Apr 19 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 4-day trip found 20 hours ago 20% less than typical $388 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:LAS,departure:4/14/2026TANYT&leg2=from:LAS,to:STL,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-444216165d1648649d73a4b6d5205ca1-2452-1-st-v5-sos-444216165d1648649d73a4b6d5205ca1-2345-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAbK6uF2qAQcKA1NUTBAAsgEHCgNMQVMQAg~AQoxCi8I15wBEgQ0NDczGPJcIIuQASjCrooDMJmwigM4QUAAWAFqA1dHQXIHQUJOVk4yRhIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE.AQppCjMIwYIBEgQyOTIxGIuQASCjsQEov9-KAzDf4IoDOEJAAFgBagVCQVNJQ3IIU1dBWlpOQlgKMgjBggESBDI5NDIYo7EBIPJcKLXhigMwouKKAzhCQAFYAWoFQkFTSUNyCFNXQVpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=634.00&displayPrice=387.60&src=dflp) - St. Louis (STL)Las Vegas (LAS) Mon, Apr 13 Mon, Apr 20 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 7-day trip found 17 hours ago 20% less than typical $355 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:LAS,departure:4/13/2026TANYT&leg2=from:LAS,to:STL,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-f17f8537cc8c41928576845b539e79af-3456-1-st-v5-sos-f17f8537cc8c41928576845b539e79af-3316-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZr5uF2qAQcKA1NUTBACsgEHCgNMQVMQAQ~AQoxCi8I15wBEgQ0NDczGPJcIIuQASjUo4oDMKuligM4QUAAWAFqA1dHQXIHQVhOVk4yRhIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE.AQpoCjIIwYIBEgMzMjMYi5ABIKOxASjD9YoDMOP2igM4QkAAWAFqBUJBU0lDcghRV0FaWk5CVgoyCMGCARIEMjk0MhijsQEg8lwo9feKAzDi-IoDOEJAAVgBagVCQVNJQ3IIUVdBWlpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL&medianPrice=560.00&displayPrice=354.60&src=dflp) - St. Louis (STL)Denver (DEN) Thu, Apr 16 Mon, Apr 20 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 22 hours ago 25% less than typical $221 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:DEN,departure:4/16/2026TANYT&leg2=from:DEN,to:STL,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-76b11b0357e3456199b4db2c3545cc48-2076-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBzIO4XaoBBwoDU1RMEACyAQcKA0RFThAA~AQowCi4I15wBEgQxNjg4GPJcIINpKLfEigMww8WKAzhBQABYAWoDV0dBcgdBWk5WSDJFCjAKLgjXnAESBDIwOTYYg2kg8lwo5OyKAzDh7YoDOEFAAFgBagNXR0FyB0FaTlZIMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=377.00&displayPrice=220.80&src=dflp) - St. Louis (STL)Denver (DEN) Thu, Apr 16 Mon, Apr 20 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 22 hours ago 25% less than typical $221 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:DEN,departure:4/16/2026TANYT&leg2=from:DEN,to:STL,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-029e2a8ba11042b69efd7f30cfa0f7ec-1325-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBy4O4XaoBBwoDU1RMEACyAQcKA0RFThAA~AQowCi4I15wBEgQ0NDYwGPJcIINpKMDGigMwzMeKAzhBQABYAWoDV0dBcgdBWk5WSDJFCjAKLgjXnAESBDIwOTgYg2kg8lwor-2KAzCs7ooDOEFAAFgBagNXR0FyB0FaTlZIMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=377.00&displayPrice=220.80&src=dflp) - St. Louis (STL)Denver (DEN) Sat, Apr 18 Tue, Apr 21 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 6 hours ago 25% less than typical $209 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:DEN,departure:4/18/2026TANYT&leg2=from:DEN,to:STL,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-6fa880a7e43248eb9dbc2efd67bf592e-243-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBjsK7XaoBBwoDU1RMEACyAQcKA0RFThAA~AQowCi4I15wBEgQ0NDU0GPJcIINpKOPVigMw79aKAzhBQABYAWoDV0dBcgdBSk5XVDJFCi8KLQjXnAESAzk5MBiDaSDyXCj8-IoDMPn5igM4SkAAWAFqA1dHQXIHSkJOVkgyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=354.00&displayPrice=208.80&src=dflp) - St. Louis (STL)Phoenix (PHX) Sun, Mar 22 Sun, Mar 29 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 7-day trip found 18 hours ago 25% less than typical $505 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/22/2026TANYT&leg2=from:PHX,to:STL,departure:3/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-448401d5e958484c89470fe6c4b34c7a-25-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB5Ny4XaoBBwoDU1RMEACyAQcKA1BIWBAA~AQo0CjIIwYIBEgQyNTc0GPJcIO-5ASjqpogDMMaoiAM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWgo0CjIIwYIBEgQyMDQzGO-5ASDyXCjZ-4gDMIv9iAM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=875.00&displayPrice=504.80&src=dflp) - St. Louis (STL)Phoenix (PHX) Sat, Mar 28 Sun, Apr 5 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 7-day trip found 6 hours ago 25% less than typical $480 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/28/2026TANYT&leg2=from:PHX,to:STL,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-7113db86ba454bcbb5516060db1cd52f-1104-1~8.S.1~AQoGCAEQmKwSEgcI1AQQARgBKAJYAnAAegNiZnOIAcPBu12qAQcKA1NUTBAAsgEHCgNQSFgQAA~AQoxCi8I15wBEgQxNTAzGPJcIO-5ASjb8IgDMKjyiAM4RUAAWAFqA1dHQXIHRUROMFcyRgoxCi8I15wBEgQ0Nzc4GO-5ASDyXCi7yYkDMOXKiQM4VUAAWAFqA1dHQXIHVUxOMFcyRhIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=850.00&displayPrice=479.81&src=dflp) - St. Louis (STL)Phoenix (PHX) Thu, Mar 26 Sun, Mar 29 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 3-day trip found 7 hours ago 20% less than typical $505 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/26/2026TANYT&leg2=from:PHX,to:STL,departure:3/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-edf5ee3f150c43169c6cda197e2e07e2-318-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBk5a7XaoBBwoDU1RMEACyAQcKA1BIWBAA~AQo0CjIIwYIBEgQyNTc0GPJcIO-5ASjq04gDMMbViAM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWgo0CjIIwYIBEgQyMDQzGO-5ASDyXCjZ-4gDMIv9iAM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=824.00&displayPrice=504.80&src=dflp) ## Cheapest flights from Alton These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Wed, Apr 8 - Mon, Apr 13 STL St. Louis DEN Denver $79 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/8/2026TANYT&leg2=from:DEN,to:STL,departure:4/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:78.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7OuJAzCF7YkDOEVAAFgBagRQQ18xcgdLMTRYWFMyCjAKLgjGchIEMzMwMhiDaSDyXCiYnooDMJifigM4RUAAWAFqBFBDXzFyB1owN05YUzkSDAgBEAEYASoCRjkyABgBIgQIARABKAIoAzAN) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Fri, Apr 10 - Mon, Apr 13 STL St. Louis DEN Denver $88 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/10/2026TANYT&leg2=from:DEN,to:STL,departure:4/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:87.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2korIKKAzDFg4oDOEVAAFgBagRQQ18xcgdaMDdJWFM5CjAKLgjGchIEMzMwMhiDaSDyXCiYnooDMJifigM4RUAAWAFqBFBDXzFyB1owN05YUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Wed, Apr 8 - Sat, Apr 11 STL St. Louis DEN Denver $90 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/8/2026TANYT&leg2=from:DEN,to:STL,departure:4/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:89.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7OuJAzCF7YkDOEVAAFgBagRQQ18xcgdaMjFYWFMyCjAKLgjGchIEMzMwMhiDaSDyXCjYh4oDMNiIigM4RUAAWAFqBFBDXzFyB1owN1NYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, May 9 - Sat, May 16 STL St. Louis DEN Denver $93 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/9/2026TANYT&leg2=from:DEN,to:STL,departure:5/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:92.96&airProductToken=AQovCi0IxnISBDQ1NjcY8lwgg2koxMiMAzDdyYwDOFpAAFgBagNFQ09yB1owN1NYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAB) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, Apr 11 - Fri, Apr 17 STL St. Louis DEN Denver $98 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:STL,departure:4/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:97.96&airProductToken=AQovCi0IxnISBDQ1NjcY8lwgg2kozI2KAzDljooDOFpAAFgBagNFQ09yB1owN1NYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAB) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, May 2 - Thu, May 7 STL St. Louis DEN Denver $100 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/2/2026TANYT&leg2=from:DEN,to:STL,departure:5/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:99.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7fmLAzCG-4sDOEVAAFgBagRQQ18xcgdaMDdTWFM5CjAKLgjGchIEMzMwMhiDaSDyXCjXsIwDMNexjAM4RUAAWAFqBFBDXzFyB1oyMVJYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Sat, May 2 - Thu, May 7 STL St. Louis DEN Denver $219 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/2/2026TANYT&leg2=from:DEN,to:STL,departure:5/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:218.80&airProductToken=AQowCi4I15wBEgQxNjg4GPJcIINpKNr4iwMw5vmLAzhBQABYAWoDV0dBcgdBSk5XVDJFCjAKLgjXnAESBDIxMDMYg2kg8lwo4LKMAzDis4wDOEFAAFgBagNXR0FyB0FaTlZIMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 22 - Wed, Apr 29 STL St. Louis DEN Denver $221 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/22/2026TANYT&leg2=from:DEN,to:STL,departure:4/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:220.40&airProductToken=AQpmCjEIwYIBEgQyNDQ0GPJcIK4cKJWDiwMw8IOLAzhCQABYAWoFQkFTSUNyCE9WQUlLU0JWCjEIwYIBEgQyMjc2GK4cIINpKLyEiwMw6IWLAzhCQAFYAWoFQkFTSUNyCE9WQUlLU0JWCmgKMgjBggESBDE0NjcYg2kg4poBKMrUiwMwmdaLAzhCQABYAWoFQkFTSUNyCE9WQUlLU0JWCjIIwYIBEgQyNDc3GOKaASDyXCji1osDMN7XiwM4QkABWAFqBUJBU0lDcghPVkFJS1NCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, May 27 - Tue, Jun 2 STL St. Louis DEN Denver $221 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/27/2026TANYT&leg2=from:DEN,to:STL,departure:6/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:220.40&airProductToken=AQpuCjUIxJgBEgQyMzYzGPJcIPISKPCMjgMwr46OAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCQwo1CMSYARIEMTU1MxjyEiCDaSjqjo4DMMmPjgM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQkMKbQo0CMSYARIDMzQxGINpIOBcKKHQjgMw0tGOAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCQwo1CMSYARIEMTEwMhjgXCDyXCiM0o4DMPDSjgM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, May 9 - Mon, May 11 STL St. Louis DEN Denver $229 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/9/2026TANYT&leg2=from:DEN,to:STL,departure:5/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:228.47&airProductToken=AQo4CjYI1YIBEgQxMzAyGPJcIINpKJrDjAMwtMSMAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FGNVRXQk4KOAo2CNWCARIEMTI5MxiDaSDyXCim3owDMKffjAM4TkAAWAFqCjFfYmFzaWNlY29yCEtBRzJBS0JTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ## How to Find Cheap Flights from Alton, IL #### How much is a flight from Alton? This week, flights from Alton are available between $79 – $229\. #### How to find cheap flights from Alton? Expedia makes it easy to compare cheap flights from Alton to many destinations. Check out excellent deals on domestic and international flights from Alton. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options. #### How can I get the best deal on flights from Alton? On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from Alton is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from Alton may be more expensive. Airlines with strict bag policies or fees can also impact your costs. #### What is the best airline to fly from Alton? At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Alton with: Frontier Airlines, United, Southwest Airlines, American Airlines, Delta. #### What is the best month to fly from Alton? One of the cheapest times to fly from Alton airport(s) is April, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand. #### Are there any last-minute flights from Alton? Expedia is the place to find last-minute flights from Alton, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks. #### Why book your ticket with Expedia? Booking flights from Alton with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from Alton. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more. #### Can I change/cancel my flight? Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our [customer service portal](https://www.expedia.com/service/). We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees. \*Data specialists from both ARC and Expedia Group analysed ARC's global flight data to distil actionable information to help people save money on travel. While it's impossible to guarantee when to find the lowest prices, after examining the variables, we were able to observe trends. Analysis based on ARC, round-trip flight data between 1 October 2017 - 30 September 2018 for Economy and Premium cabin ATPs on a global basis. ## Travel information ## Flights from Alton: Essential Travel Information | Cheapest flight from Alton | $79 (roundtrip) | | -------------------------------- | ----------------------------------------------------------------------- | | Best airlines to fly from Alton | Frontier Airlines, United, Southwest Airlines, American Airlines, Delta | | Cheapest month to fly from Alton | April | | Alton IATA code | STL | | Alton Country/State | Illinois | | Airline ticket deals from Alton | $79 - $229 | \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Hotels near Alton Regional Convention & Visitors Bureau ](https://www.expedia.com/Alton-Regional-Convention-Visitors-Bureau-Hotels.0-l553248635936842989-0.Travel-Guide-Filter-Hotels) - [Hotels near Historic Museum of Torture Devices ](https://www.expedia.com/Historic-Museum-Of-Torture-Devices-Hotels.0-l553248621532648635-0.Travel-Guide-Filter-Hotels) - 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