Title: $192 Cheap flights from Lafayette to Washington (LAF to DCA) - Expedia.com ![Washington DC in Spring](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $192 Cheap Flights from Lafayette (LAF) to Washington (DCA) [View $192 flight on Sat, Apr 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:LAF,to:DCA,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:191.30&airProductToken=AQpDCiAI1YIBEgQ1MDQzGIsoIK4cKKLVigMw4tWKAzhXQABYAQofCNWCARIEMjY2OBiuHCBDKI_YigMwhtmKAzhHQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) - [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 ## Popular airlines from Lafayette, IN (LAF-Purdue University) to Ronald Reagan Washington National Airport (DCA) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:LAF,to:DCA,departure:2/20/2026TANYT&leg2=from:DCA,to:LAF,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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) ## Cheap Flights from Lafayette to Washington (LAF-DCA) Prices were available within the past 7 days and start at $192 for one-way flights and $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 25 - Sun, Apr 26 LAF Lafayette DCA Washington $264 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:4/25/2026TANYT&leg2=from:DCA,to:LAF,departure:4/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:263.90&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKIKkiwMwwqSLAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNQjVggESBDEzODEYrhwgQyispYsDMKOmiwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCm4KNAjVggESAzQ0MRhDIK4cKPKviwMw-7CLAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNgjVggESBDUwMjcYrhwgiygozrKLAzCIs4sDOE5AAFgBagoxX2Jhc2ljZWNvcghLRkEyQURCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 25 - Sun, Mar 1 LAF Lafayette DCA Washington $269 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/25/2026TANYT&leg2=from:DCA,to:LAF,departure:3/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:268.90&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKN6MhgMwno2GAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4KNQjVggESBDM2NjYYrhwgQyiAj4YDMP-PhgM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCm4KNAjVggESAzIxMBhDIK4cKO2-hgMw_b-GAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNgjVggESBDUwNDgYrhwgiygovMGGAzD6wYYDOE5AAFgBagoxX2Jhc2ljZWNvcghLRkEyQURCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Feb 19 - Sat, Feb 21 LAF Lafayette DCA Washington $274 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/19/2026TANYT&leg2=from:DCA,to:LAF,departure:2/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:273.90&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKJ7JhQMw3smFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4KNQjVggESBDEzODEYrhwgQyjIyoUDMLvLhQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCm4KNAjVggESAzIxMBhDIK4cKO3khQMw_eWFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4KNgjVggESBDUwNDgYrhwgiygovOeFAzD654UDOE5AAFgBagoxX2Jhc2ljZWNvcghMRkE0QURCThIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 24 - Sun, Apr 26 LAF Lafayette DCA Washington $283 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:4/24/2026TANYT&leg2=from:DCA,to:LAF,departure:4/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:282.87&airProductToken=AQpvCjYI1YIBEgQ1MDcwGIsoIK4cKOuciwMwq52LAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4KNQjVggESBDM2NDkYrhwgQyionosDMK-fiwM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCm4KNAjVggESAzQ0MRhDIK4cKPKviwMw-7CLAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNgjVggESBDUwMjcYrhwgiygozrKLAzCIs4sDOE5AAFgBagoxX2Jhc2ljZWNvcghLRkEyQURCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 25 - Sun, Mar 29 LAF Lafayette DCA Washington $289 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:3/25/2026TANYT&leg2=from:DCA,to:LAF,departure:3/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:288.25&airProductToken=AQpuCjYI1YIBEgQ1MDQzGIsoIK4cKKLHiAMw4seIAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNAjVggESAzQ4MhiuHCBDKJDIiAMwgsmIAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4Kbgo0CNWCARIDNDQxGEMgrhwo8vSIAzD79YgDOE5AAFgBagoxX2Jhc2ljZWNvcghMRkE0QURCTgo2CNWCARIENTAyNxiuHCCLKCjO94gDMIj4iAM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Feb 19 - Sat, Feb 21 LAF Lafayette DCA Washington $296 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/19/2026TANYT&leg2=from:DCA,to:LAF,departure:2/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:295.40&airProductToken=AQpvCjYI1YIBEgQ1MDcwGIsoIK4cKKfNhQMw582FAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4KNQjVggESBDM2MTYYrhwgQyiozoUDMKzPhQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCm8KNQjVggESBDIxNDgYQyCuHCik5YUDMLXmhQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCjYI1YIBEgQ1MDQ4GK4cIIsoKLznhQMw-ueFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4SDAgBEAEYASoCVUEyABgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Feb 7 - Sat, Feb 14 LAF Lafayette DCA Washington $304 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/7/2026TANYT&leg2=from:DCA,to:LAF,departure:2/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:303.90&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKJ7ChAMw4cKEAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBN0FEQk4KNQjVggESBDE4MTUYrhwgQyiMw4QDMILEhAM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTdBREJOCm8KNQjVggESBDIxNDgYQyCuHCjEloUDMNWXhQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCjYI1YIBEgQ1MDQ4GK4cIIsoKNyYhQMwmpmFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Feb 8 - Sun, Feb 15 LAF Lafayette DCA Washington $326 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/8/2026TANYT&leg2=from:DCA,to:LAF,departure:2/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:325.40&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKL7NhAMwgc6EAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBN0FEQk4KNQjVggESBDE4MTUYrhwgQyiszoQDMKLPhAM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTdBREJOCm8KNQjVggESBDM0NzYYQyCuHCignYUDMLaehQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTRBREJOCjYI1YIBEgQ2MDc0GK4cIIsoKMafhQMwhKCFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBNEFEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Feb 26 - Sun, Mar 1 LAF Lafayette DCA Washington $334 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:2/26/2026TANYT&leg2=from:DCA,to:LAF,departure:3/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:333.90&airProductToken=AQpDCiAI1YIBEgQ1MDQzGIsoIK4cKP6XhgMwvpiGAzhLQABYAQofCNWCARIEMTgxNRiuHCBDKOyYhgMw3pmGAzhLQAFYAQpDCh8I1YIBEgQzNDg4GEMgrhwo4L-GAzD7wIYDOEtAAFgBCiAI1YIBEgQ1MDQ4GK4cIIsoKLzBhgMw-sGGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 25 - Sun, Mar 29 LAF Lafayette DCA Washington $336 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAF,to:DCA,departure:3/25/2026TANYT&leg2=from:DCA,to:LAF,departure:3/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:335.45&airProductToken=AQpvCjYI1YIBEgQ1MDQzGIsoIK4cKKLHiAMw4seIAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBMkFEQk4KNQjVggESBDEzODEYrhwgQyjMyIgDML_JiAM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCm4KNAjVggESAzM1MRhDIK4cKKT1iAMwsfaIAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBN0FEQk4KNgjVggESBDUwMjcYrhwgiygozveIAzCI-IgDOE5AAFgBagoxX2Jhc2ljZWNvcghURkE3QURCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ## Alternative airports near Washington Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:LAF,to:BWI,departure:2/20/2026TANYT&leg2=from:BWI,to:LAF,departure:2/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) BWI Baltimore Washington Intl. Thurgood Marshall 40 min [Flights from $336 ](https://www.expedia.com/Flights-Search?leg1=from:LAF,to:BWI,departure:2/20/2026TANYT&leg2=from:BWI,to:LAF,departure:2/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:LAF,to:IAD,departure:2/20/2026TANYT&leg2=from:IAD,to:LAF,departure:3/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) IAD Washington Dulles Intl. Cheapest 36 min [Flights from $334 ](https://www.expedia.com/Flights-Search?leg1=from:LAF,to:IAD,departure:2/20/2026TANYT&leg2=from:IAD,to:LAF,departure:3/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flights from Lafayette (LAF) to Washington (DCA)__ | Origin airport | Purdue University | | ------------------- | --------------------------------- | | Destination airport | Ronald Reagan Washington National | | Airlines serving | United | | Roundtrip price | $264 | | Distance | 536 mi | ## Lafayette to Washington Flights The cheapest times to fly from Lafayette to Washington On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lafayette to Washington are during the month of April. You can find some of the cheapest flights from Lafayette to Washington with Expedia's search tool and vast selection of airlines. The best time to book a flight from Lafayette to Washington Sunday is one of the best days to book for cheap flights from Lafayette to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Lafayette to Washington Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lafayette to Washington in 2026\. You can also book with separate airlines for your outbound and return journeys, from $192 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lafayette to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Lafayette to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members.