Title: CA $251 Cheap American Airlines fights from Louisville to Washington - Expedia.ca

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# CA $251 Cheap American Airlines fights from Louisville (SDF) to Washington (WAS)

[View CA $251 flight on Wed, Jan 21, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SDF,to:DCA,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:250.80&airProductToken=AQpkCjEIwYIBEgQ0MzYwGPIoIK4cKLiGgwMwpIeDAzhCQABYAWoFQkFTSUNyCE9WQUlLU0JYCi8IwYIBEgM5MDMYrhwgQyi-ioMDMKuLgwM4QkABWAFqBUJBU0lDcghOVkFJS1NCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

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## American Airlines flights from Louisville to Washington (SDF→WAS)

Prices were available within the past 7 days and start at CA $251 for one-way flights and CA $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $375

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:374.30&airProductToken=AQpoCjIIwYIBEgQxODU5GPIoIOKaASi4oYEDMJeigQM4QkAAWAFqBUJBU0lDcghPMEZXWlNCWgoyCMGCARIENTExMxjimgEgiBgov6KBAzCWo4EDOEJAAVgBagVCQVNJQ3IITzBGV1pTQloKaAoyCMGCARIENTMxNxiIGCDimgEo1oyCAzC3jYIDOEJAAFgBagVCQVNJQ3IIUVZGSVhTQloKMgjBggESBDMxMTkY4poBIPIoKKWOggMwgY-CAzhCQAFYAWoFQkFTSUNyCFFWRklYU0JaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $398

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:398.00&airProductToken=AQpoCjIIwYIBEgQyMTkzGPIoIOKaASjsooEDMNCjgQM4QkAAWAFqBUJBU0lDcghON0ZIWk5CWgoyCMGCARIENTU0MxjimgEgiBgo3KSBAzCzpYEDOEJAAVgBagVCQVNJQ3IITjdGSFpOQloKaAoyCMGCARIENTIxNRiIGCDimgEo4omCAzDHioIDOEJAAFgBagVCQVNJQ3IIUVZGSVhTQloKMgjBggESBDU1OTgY4poBIPIoKJ6MggMwgo2CAzhCQAFYAWoFQkFTSUNyCFFWRklYU0JaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $417

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:416.20&airProductToken=AQpoCjIIwYIBEgQxODU5GPIoIOKaASi4oYEDMJeigQM4QkAAWAFqBUJBU0lDcghPMEZXWlNCWgoyCMGCARIENTExMxjimgEgiBgov6KBAzCWo4EDOEJAAVgBagVCQVNJQ3IITzBGV1pTQloKaAoyCMGCARIENTU0MxiIGCDimgEowIqCAzChi4IDOEJAAFgBagVCQVNJQ3IIUzBGV1VOQloKMgjBggESBDU1OTgY4poBIPIoKJ6MggMwgo2CAzhCQAFYAWoFQkFTSUNyCFMwRldVTkJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $439

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:438.80&airProductToken=AQpoCjIIwYIBEgQyMTkzGPIoIOKaASjsooEDMNCjgQM4QkAAWAFqBUJBU0lDcghON0ZIWk5CWgoyCMGCARIENTU0MxjimgEgiBgo3KSBAzCzpYEDOEJAAVgBagVCQVNJQ3IITjdGSFpOQloKaAoyCMGCARIENTU0MxiIGCDimgEowIqCAzChi4IDOEJAAFgBagVCQVNJQ3IIUzBGV1VOQloKMgjBggESBDU1OTgY4poBIPIoKJ6MggMwgo2CAzhCQAFYAWoFQkFTSUNyCFMwRldVTkJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $453

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:452.80&airProductToken=AQpnCjEIwYIBEgM3ODgY8igg4poBKJiogQMw-6iBAzhCQABYAWoFQkFTSUNyCFMwRldaTkJaCjIIwYIBEgQ1NTQ5GOKaASCIGCjcqYEDMLCqgQM4QkABWAFqBUJBU0lDcghTMEZXWk5CWgpoCjIIwYIBEgQ1MzE3GIgYIOKaASjWjIIDMLeNggM4QkAAWAFqBUJBU0lDcghRVkZJWFNCWgoyCMGCARIEMzExORjimgEg8igopY6CAzCBj4IDOEJAAVgBagVCQVNJQ3IIUVZGSVhTQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Jan 1 - Sat, Jan 10

SDF

Louisville

IAD

Washington

CA $458

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SDF,to:IAD,departure:01/01/2026TANYT&leg2=from:IAD,to:SDF,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:457.10&airProductToken=AQpmCjEIwYIBEgQxODU5GPIoIOKaASi4oYEDMJeigQM4T0AAWAFqBE1BSU5yCE8wRldaU00xCjEIwYIBEgQ1MTEzGOKaASCIGCi_ooEDMJajgQM4T0ABWAFqBE1BSU5yCE8wRldaU00xCmYKMQjBggESBDUzMTcYiBgg4poBKNaMggMwt42CAzhRQABYAWoETUFJTnIIUVZGSVhTTTEKMQjBggESBDMxMTkY4poBIPIoKKWOggMwgY-CAzhRQAFYAWoETUFJTnIIUVZGSVhTTTESCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL)

## Find the cheapest month to fly from Louisville (SDF) to Washington (WAS)

### October is typically the cheapest month to fly

From CA $192 - CA $363 per traveller.

## Travel information

| Origin airport      | Louisville Intl.        |
| ------------------- | ----------------------- |
| Destination airport | Washington Dulles Intl. |
| Distance            | 721 km                  |

\*Available to Expedia members.