Title: $28 Cheap flights from Brussels, 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) # $28 Cheap flights from Brussels, IL [View $28 flight on Sat, Apr 25, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:STL,to:DEN,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:27.98&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2kojauLAzCmrIsDOEVAAFgBagRQQ18xcgdLMjFTWFMyEgoIARABGAEqAkY5GAEiBAgBEAEoAigDMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 [Hotels in Brussels](https://expedia.com/Brussels-Hotels.d3000433508.Travel-Guide-Hotels)[Car Rentals in Brussels](https://expedia.com/Car-Rentals-In-Brussels.d3000433508.Car-Rental-Guide)[Brussels Vacation Packages](https://expedia.com/Brussels.d3000433508.Destination-Travel-Guides) ## Popular airlines from Brussels - ![](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 Brussels Nonstop Carry-on included Lower price than typical - St. Louis (STL)Phoenix (PHX) Sat, Mar 28 Tue, Mar 31 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 13 hours ago 25% less than typical $386 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/28/2026TANYT&leg2=from:PHX,to:STL,departure:3/31/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-e4ca5e2c247b4b61adde2b81be5b28ba-4311-1-st-v5-sos-e4ca5e2c247b4b61adde2b81be5b28ba-4096-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAdih8VyQAR2QAQGqAQcKA1NUTBAAsgEHCgNQSFgQAA~AQoxCi8I15wBEgQxNTAzGPJcIO-5ASjb8IgDMKjyiAM4RkAAWAFqA1dHQXIHRlpOVk4yRhIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE.AQpnCjIIwYIBEgQzMjA1GO-5ASCuHCi7lIkDMJGWiQM4QkAAWAFqBUJBU0lDcghRVkFJS1NCWAoxCMGCARIEMjMwNBiuHCDyXCi0mYkDMP-ZiQM4QkABWAFqBUJBU0lDcghPVkFJS1NCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=648.00&displayPrice=385.20&src=dflp) - St. Louis (STL)Phoenix (PHX) Mon, Mar 16 Sat, Mar 21 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 4-day trip found 18 hours ago 30% less than typical $468 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/16/2026TANYT&leg2=from:PHX,to:STL,departure:3/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-95c9a132638246eb8bbd2fcee701a34c-2969-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBwJnwXKoBBwoDU1RMEACyAQcKA1BIWBAA~AQoxCi8I15wBEgQxNTAzGPJcIO-5ASjl6YcDMLfrhwM4RUAAWAFqA1dHQXIHRUxOMFcyRgpiCjAI15wBEgQxODg1GO-5ASCLkAEos6CIAzD-oIgDOEdAAFgBagNXR0FyB0dEQTBXMkYKLgjXnAESAzQ5NRiLkAEg8lwowaKIAzD6o4gDOEdAAVgBagNXR0FyB0dEQTBXMkYSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=858.00&displayPrice=467.60&src=dflp) - St. Louis (STL)Phoenix (PHX) Mon, Mar 16 Sat, Mar 21 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 4-day trip found 5 hours ago 30% less than typical $475 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:PHX,departure:3/16/2026TANYT&leg2=from:PHX,to:STL,departure:3/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-0e4fdd94b21845238a65d82143d2a4d5-736-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB7fvyXKoBBwoDU1RMEACyAQcKA1BIWBAA~AQoxCi8I15wBEgQzNTg4GPJcIO-5ASje6IcDMLDqhwM4R0AAWAFqA1dHQXIHR0xOMFcyRgpjCjAI15wBEgQzMzAyGO-5ASCAlQEos5uIAzCwnIgDOEdAAFgBagNXR0FyB0dMQTBXMkYKLwjXnAESBDM5MDcYgJUBIPJcKN6fiAMw26CIAzhHQAFYAWoDV0dBcgdHTEEwVzJGEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=858.00&displayPrice=474.60&src=dflp) - St. Louis (STL)Los Angeles (LAX) Sun, Mar 8 Sun, Mar 15 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 6-day trip found 14 hours ago 35% less than typical $467 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:LAX,departure:3/8/2026TANYT&leg2=from:LAX,to:STL,departure:3/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-90345228a7fd47a6b1702e7dec073d91-243-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBy4TxXKoBBwoDU1RMEACyAQcKA0xBWBAA~AQo0CjIIwYIBEgQ2MjE2GPJcIIu4ASjaiIcDMOKKhwM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWgppCjMIwYIBEgQyMDU2GIu4ASCjsQEowtWHAzD51ocDOEJAAFgBagVCQVNJQ3IIUzBGV1pOQloKMgjBggESBDI4OTcYo7EBIPJcKNjXhwMww9iHAzhCQAFYAWoFQkFTSUNyCFMwRldaTkJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=916.00&displayPrice=466.60&src=dflp) - St. Louis (STL)Los Angeles (LAX) Tue, Mar 10 Sat, Mar 14 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 3-day trip found 21 hours ago 30% less than typical $423 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:LAX,departure:3/10/2026TANYT&leg2=from:LAX,to:STL,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-97c8af6689f24209b6a69c8503d4da88-28-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB4bPvXKoBBwoDU1RMEACyAQcKA0xBWBAA~AQo0CjIIwYIBEgQ2MjE2GPJcIIu4ASian4cDMKKhhwM4QkAAWAFqBUJBU0lDcghTMEZXVU5CWAppCjMIwYIBEgQyMDU2GIu4ASCjsQEoosqHAzDZy4cDOEJAAFgBagVCQVNJQ3IIUzBGV1VOQlgKMgjBggESBDIyODkYo7EBIPJcKLTNhwMwn86HAzhCQAFYAWoFQkFTSUNyCFMwRldVTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=772.00&displayPrice=422.60&src=dflp) - St. Louis (STL)Los Angeles (LAX) Tue, Mar 10 Sat, Mar 14 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 4-day trip found 21 hours ago 30% less than typical $423 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:LAX,departure:3/10/2026TANYT&leg2=from:LAX,to:STL,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-d78b6a90769e436a827d8f47d47f3f81-244-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB4LPvXKoBBwoDU1RMEACyAQcKA0xBWBAA~AQo0CjIIwYIBEgQ2MjE2GPJcIIu4ASian4cDMKKhhwM4QkAAWAFqBUJBU0lDcghTMEZXVU5CWAppCjMIwYIBEgQyNzQyGIu4ASDvuQEo7tGHAzDL0ocDOEJAAFgBagVCQVNJQ3IIUzBGV1VOQlgKMgjBggESBDIwNDMY77kBIPJcKPnShwMwq9SHAzhCQAFYAWoFQkFTSUNyCFMwRldVTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=772.00&displayPrice=422.60&src=dflp) - St. Louis (STL)Dallas (DAL) Thu, Apr 9 Sun, Apr 12 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 11 hours ago 30% less than typical $282 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:DAL,departure:4/9/2026TANYT&leg2=from:DAL,to:STL,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-0eba65c890a546f19eeadcb388c32c09-1404-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBuM_xXKoBBwoDU1RMEACyAQcKA0RBTBAA~AQowCi4I15wBEgQyNzkxGPJcIINYKKXwiQMwk_GJAzhaQABYAWoDV0dBcgdaWk5XVjJFCmAKLgjXnAESBDEyNTMYg1gg71ko7pKKAzCslIoDOEdAAFgBagNXR0FyB0dMQVdWMkUKLgjXnAESBDQ5NTIY71kg8lwo2ZSKAzDqlYoDOEdAAVgBagNXR0FyB0dMQVdWMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=535.00&displayPrice=281.59&src=dflp) - St. Louis (STL)Dallas (DAL) Tue, Mar 31 Mon, Apr 6 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 6-day trip found 23 hours ago 20% less than typical $243 [](https://www.expedia.com/Flights-Search?leg1=from:STL,to:DAL,departure:3/31/2026TANYT&leg2=from:DAL,to:STL,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-33f9161ad3e14254a58cbf226bcfe492-918-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBv4zvXKoBBwoDU1RMEACyAQcKA0RGVxAA~AQowCi4I15wBEgQzNzk3GPJcIINYKKiQiQMwlpGJAzhaQABYAWoDV0dBcgdaQk5WTjJFCjAKLgjXnAESBDEzNDIYg1gg8lwordaJAzCR14kDOFpAAFgBagNXR0FyB1paTldWMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=382.00&displayPrice=242.79&src=dflp) ## Cheapest flights from Brussels 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) Sat, Apr 18 - Sat, Apr 25 STL St. Louis DEN Denver $61 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/18/2026TANYT&leg2=from:DEN,to:STL,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:60.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2kordyKAzDG3YoDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIEMzMwMhiDaSDyXCjcqYsDMOCqiwM4RUAAWAFqBFBDXzFyB0syMVNYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, May 2 - Sat, May 9 STL St. Louis DEN Denver $66 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/2/2026TANYT&leg2=from:DEN,to:STL,departure:5/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:65.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7fmLAzCG-4sDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIEMzMwMhiDaSDyXCiIx4wDMIzIjAM4RUAAWAFqBFBDXzFyB0syMVNYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, Apr 25 - Mon, Apr 27 STL St. Louis DEN Denver $72 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/25/2026TANYT&leg2=from:DEN,to:STL,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:71.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2kojauLAzCmrIsDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIEMzMwMhiDaSDyXCicwIsDMKDBiwM4RUAAWAFqBFBDXzFyB1oyMU5YUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, May 2 - Sat, May 9 STL St. Louis DEN Denver $76 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/2/2026TANYT&leg2=from:DEN,to:STL,departure:5/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:75.97&airProductToken=AQovCi0IxnISBDQ1NjcY8lwgg2ko7fmLAzCG-4sDOEtAAFgBagNFQ09yB0syMVNYUzIKLwotCMZyEgQzMzAyGINpIPJcKIjHjAMwjMiMAzhLQABYAWoDRUNPcgdLMjFTWFMyEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwAQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, May 2 - Sun, May 10 STL St. Louis DEN Denver $77 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:5/2/2026TANYT&leg2=from:DEN,to:STL,departure:5/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:76.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2ko7fmLAzCG-4sDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIEMzMwMhiDaSDyXCio0owDMKzTjAM4RUAAWAFqBFBDXzFyB1oyMVlYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, Apr 25 - Sun, May 3 STL St. Louis DEN Denver $82 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/25/2026TANYT&leg2=from:DEN,to:STL,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:81.96&airProductToken=AQowCi4IxnISBDQ1NjcY8lwgg2kojauLAzCmrIsDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIEMzMwMhiDaSDyXCjRg4wDMNWEjAM4RUAAWAFqBFBDXzFyB1oyMVlYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Tue, Apr 21 - Wed, Apr 22 STL St. Louis DAL Dallas $181 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DAL,departure:4/21/2026TANYT&leg2=from:DAL,to:STL,departure:4/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:180.59&airProductToken=AQowCi4I15wBEgQyNzkxGPJcIINYKKX3igMwk_iKAzhaQABYAWoDV0dBcgdaWk5XVjJFCjAKLgjXnAESBDI3NDAYg1gg8lwo_oiLAzDniYsDOFpAAFgBagNXR0FyB1paTldWMkUSDAgCEAEYAioCV04yABgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 8 - Wed, Apr 29 STL St. Louis DEN Denver $197 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/8/2026TANYT&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:196.40&airProductToken=AQpmCjEIwYIBEgQzMTI4GPJcIK4cKIvliQMw5eWJAzhCQABYAWoFQkFTSUNyCE9WQUlLU0JWCjEIwYIBEgQyMjc2GK4cIINpKPzmiQMwqOiJAzhCQAFYAWoFQkFTSUNyCE9WQUlLU0JWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 11 - Wed, Apr 15 STL St. Louis DEN Denver $197 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:STL,departure:4/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:196.80&airProductToken=AQo4CjYI1YIBEgQxNDE1GPJcIINpKKKIigMwu4mKAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FWNVRXQk4KOAo2CNWCARIEMTQyMhiDaSDyXCjxuYoDMPK6igM4TkAAWAFqCjFfYmFzaWNlY29yCEtBVTJKS0JTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Sep 21 - Fri, Sep 25 STL St. Louis LAS Las Vegas $253 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:STL,to:LAS,departure:9/21/2026TANYT&leg2=from:LAS,to:STL,departure:9/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:252.39&airProductToken=AQpoCjIIwaYBEgQxNDUzGPJcIO-4ASi4tpgDMLK4mAM4WEAAWAFqBVNBVkVScghPSDVPQUpCTgoyCMGmARIDNzI4GO-4ASCLkAEo-LiYAzCDupgDOFhAAVgBagVTQVZFUnIIT0g1T0FKQk4KZQoxCMGmARIDNjI5GIuQASCSASjK4JgDMPDhmAM4WEAAWAFqBVNBVkVScghPSDVPQUpCTgowCMGmARIDNDcyGJIBIPJcKKLkmAMwi-aYAzhYQAFYAWoFU0FWRVJyCE9INU9BSkJOEgwIARABGAEqAkFTMgAYASIECAEQASgCKAMoBDAN) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## How to Find Cheap Flights from Brussels, IL #### How much is a flight from Brussels? This week, flights from Brussels are available between $61 – $253\. #### How to find cheap flights from Brussels? Expedia makes it easy to compare cheap flights from Brussels to many destinations. Check out excellent deals on domestic and international flights from Brussels. 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 Brussels? 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 Brussels 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 Brussels may be more expensive. Airlines with strict bag policies or fees can also impact your costs. #### What is the best airline to fly from Brussels? 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 Brussels with: Frontier Airlines, Southwest Airlines, Delta, American Airlines, United, Alaska Airlines. #### What is the best month to fly from Brussels? One of the cheapest times to fly from Brussels 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 Brussels? Expedia is the place to find last-minute flights from Brussels, 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 Brussels 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 Brussels. 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 Brussels: Essential Travel Information | Cheapest flight from Brussels | $61 (roundtrip) | | ----------------------------------- | ---------------------------------------------------------------------------------------- | | Best airlines to fly from Brussels | Frontier Airlines, Southwest Airlines, Delta, American Airlines, United, Alaska Airlines | | Cheapest month to fly from Brussels | April | | Brussels IATA code | STL | | Brussels Country/State | Illinois | | Airline ticket deals from Brussels | $61 - $253 | \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Vacation Homes in Golden Eagle ](https://www.expedia.com/Golden-Eagle-Private-Vacation-Homes.d553248635892260918-aaPrivateVacationHomes.Travel-Guide-Accommodation) - 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