Title: £166 Cheap Flights from Washington to Knoxville (IAD to TYS) - Expedia.co.uk ![Skyline of downtown Knoxville, Tennessee, USA](https://images.trvl-media.com/place/602977/e5dfacc8-29fe-4ae7-93f0-6aa1cd8e604b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/602977/e5dfacc8-29fe-4ae7-93f0-6aa1cd8e604b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £166 Cheap Flights from Washington (IAD) to Knoxville (TYS) [View £166 flight on Sat, 21 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IAD,to:TYS,departure:21/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:165.90&airProductToken=AQppCjIIwYIBEgQ1NDQ3GIgYIOKaASja5IUDML3lhQM4QkAAWAFqBUJBU0lDcghOVkFIWk5CWgozCMGCARIENTI5MhjimgEgk5YBKMXmhQMwj-eFAzhCQAFYAWoFQkFTSUNyCE5WQUhaTkJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) - [Return](?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 Washington Dulles International Airport (IAD) to Alcoa - Knoxville Airport (TYS) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:TYS,departure:29/01/2026TANYT&leg2=from:TYS,to:IAD,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:TYS,departure:29/01/2026TANYT&leg2=from:TYS,to:IAD,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:IAD,to:TYS,departure:29/01/2026TANYT&leg2=from:TYS,to:IAD,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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 25% 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.co.uk/login) ## Cheap Flights from Washington (IAD) to Knoxville (TYS) Prices were available within the past 7 days and start at £166 for one-way flights and £172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 1 Jun - Tue, 9 Jun IAD Washington TYS Knoxville £172 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:09/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:171.30&airProductToken=AQpFCiAIxJgBEgQyOTAyGIgYIOBcKNbKjgMwzsuOAzhFQABYAQohCMSYARIEMzA3MhjgXCCTlgEoisyOAzDCzI4DOEVAAVgBCkUKIQjEmAESBDMwMTUYk5YBIOBcKPqdjwMwuJ6PAzhFQABYAQogCMSYARIEMTMyNBjgXCCIGCjtno8DMNafjwM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £186 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:185.50&airProductToken=AQo2CjQI1YIBEgQ0MzA4GIgYIJOWASi-x44DMKLIjgM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjYKNAjVggESBDQzMTEYk5YBIIgYKK78jgMwlf2OAzhLQABYAWoHRUNPTk9NWXIIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £198 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:197.10&airProductToken=AQpvCjUIxJgBEgQyOTAyGIgYIOBcKNbKjgMwzsuOAzhFQABYAWoJTUFJTkJBU0lDcghWRlZOQTBCUQo2CMSYARIEMzA3MhjgXCCTlgEoisyOAzDCzI4DOEVAAVgBaglNQUlOQkFTSUNyCFZGVk5BMEJRCm8KNgjEmAESBDMwMTUYk5YBIOBcKJr8jgMw2PyOAzhFQABYAWoJTUFJTkJBU0lDcghURlZPQTBCUQo1CMSYARIEMTMyNBjgXCCIGCi1_Y4DMJ7-jgM4RUABWAFqCU1BSU5CQVNJQ3IIVEZWT0EwQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £209 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:208.10&airProductToken=AQo2CjQI1YIBEgQ0MzA0GIgYIJOWASjry44DMM_MjgM4TEAAWAFqB0VDT05PTVlyCExGQTRBREROCjYKNAjVggESBDQzMjQYk5YBIIgYKOeCjwMwwYOPAzhMQABYAWoHRUNPTk9NWXIITEZBNEFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 29 May - Wed, 3 Jun IAD Washington TYS Knoxville £220 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:29/05/2026TANYT&leg2=from:TYS,to:IAD,departure:03/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:219.70&airProductToken=AQpFCiAIxJgBEgQxNDQ0GIgYIOBcKNyljgMw06aOAzhFQABYAQohCMSYARIEMzA0MhjgXCCTlgEo4KeOAzCXqI4DOEVAAVgBCkUKIQjEmAESBDMwMTUYk5YBIOBcKLrajgMw-NqOAzhFQABYAQogCMSYARIEMTMyNBjgXCCIGCit244DMJbcjgM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £223 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:222.90&airProductToken=AQpvCjUIxJgBEgQxNjk1GIgYIOBcKMXJjgMwwcqOAzhFQABYAWoJTUFJTkJBU0lDcghURlZPQTBCUQo2CMSYARIEMzA3MhjgXCCTlgEoisyOAzDCzI4DOEVAAVgBaglNQUlOQkFTSUNyCFRGVk9BMEJRCm8KNgjEmAESBDMwMTUYk5YBIOBcKJr8jgMw2PyOAzhFQABYAWoJTUFJTkJBU0lDcghURlZPQTBCUQo1CMSYARIEMTMyNBjgXCCIGCi1_Y4DMJ7-jgM4RUABWAFqCU1BSU5CQVNJQ3IIVEZWT0EwQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £237 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:236.10&airProductToken=AQo2CjQI1YIBEgQ0MzA4GIgYIJOWASi-x44DMKLIjgM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjYKNAjVggESBDQ4NDgYk5YBIIgYKKyAjwMwhoGPAzhTQABYAWoHRUNPTk9NWXIIU0ZLMEFGRE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £239 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:238.20&airProductToken=AQo1CjMI1YIBEgQ0MzA4GIgYIJOWASi-x44DMKLIjgM4S0AAWAFqBkVDT1JFRnIIS0ZBMkFERE0KNQozCNWCARIENDMxMRiTlgEgiBgorvyOAzCV_Y4DOEtAAFgBagZFQ09SRUZyCEtGQTJBRERNEgoIARABGAEqAlVBGAEiBAgBEAEoAigEKAYwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, 29 May - Sat, 6 Jun IAD Washington TYS Knoxville £240 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:29/05/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:239.30&airProductToken=AQojCiEI1YIBEgQ0MjU3GIgYIJOWASjOo44DMKikjgM4U0AAWAEKIwohCNWCARIENDMxMRiTlgEgiBgorvyOAzCV_Y4DOEtAAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 1 Jun - Sat, 6 Jun IAD Washington TYS Knoxville £265 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:TYS,departure:01/06/2026TANYT&leg2=from:TYS,to:IAD,departure:06/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:264.80&airProductToken=AQppCjIIwYIBEgQ1MjE5GIgYIOKaASjcxY4DMLrGjgM4QkAAWAFqBUJBU0lDcghOV0ZXWk5CWgozCMGCARIENTU0NhjimgEgk5YBKPLHjgMwvsiOAzhCQAFYAWoFQkFTSUNyCE5XRldaTkJaCmkKMwjBggESBDU1NDYYk5YBIOKaASj8gI8DMNOBjwM4QkAAWAFqBUJBU0lDcghRVkZJWk5CWgoyCMGCARIEMTQ1MBjimgEgiBgoo4OPAzD2g48DOEJAAVgBagVCQVNJQ3IIUVZGSVpOQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Washington (IAD) to Knoxville (TYS) ### August is typically the cheapest month to fly From £139 - £323 per traveller. __Flight from Washington to Knoxville route information__ | Origin airport | Washington Dulles Intl. | | ------------------- | ----------------------- | | Destination airport | McGhee Tyson | | Return price | £171 | | Distance | 671 km | | Average flight time | 1 hour 49 mins | ## Compare flights from Washington to Knoxville easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Knoxville. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to McGhee Tyson in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to McGhee Tyson. To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. Grab a great deal on your flight from Washington Dulles Intl. (IAD) to McGhee Tyson (TYS) The easiest way to view the best deals on flights from Washington to Knoxville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to McGhee Tyson start at just £172 and range up to £265\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Knoxville - booking your flight during June, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper Why you should book your Washington to Knoxville flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to McGhee Tyson for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you. Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight. ## Frequently asked questions ### How much is a flight from IAD to McGhee Tyson Airport (TYS)? ### Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Knoxville Airport? ### How do I find cheap flights from Dulles Intl. Airport to TYS that have flexible change policies? ### How far is the flight from Dulles Intl. Airport to Knoxville Airport? ### Which airlines fly direct from Dulles Intl. Airport to Knoxville Airport? ### Are Washington Dulles Intl. Airport (IAD) to TYS flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Accommodation - Holiday Homes - [4 Star Hotels in West Knoxville ](https://www.expedia.co.uk/4Star-West-Knoxville-Hotels.s40-0-d6059852.Travel-Guide-Filter-Hotels) - [Hotels with Indoor Pools in Alcoa ](https://www.expedia.co.uk/Alcoa-Hotels-Hotels-With-Indoor-Pools.0-0-d5985-tHotelswithIndoorPools.Travel-Guide-Filter-Hotels) - [Alcoa Hotels ](https://www.expedia.co.uk/Alcoa-Hotels.d5985.Travel-Guide-Hotels) - [Clover Hill Hotels ](https://www.expedia.co.uk/Clover-Hill-Hotels.d177642.Travel-Guide-Hotels) - [Concord Hotels ](https://www.expedia.co.uk/Concord-Hotels.d177828.Travel-Guide-Hotels) - [Louisville Hotels ](https://www.expedia.co.uk/Louisville-Hotels.d6139365.Travel-Guide-Hotels) - [Caravan Parks in Maryville ](https://www.expedia.co.uk/Maryville-Caravan-Parks.d8649-aaCaravanParks.Travel-Guide-Accommodation) - [Maryville Hotels ](https://www.expedia.co.uk/Maryville-Hotels.d8649.Travel-Guide-Hotels) - [Rivertrace Hotels ](https://www.expedia.co.uk/Rivertrace-Hotels.d3000008090.Travel-Guide-Hotels) - [Condo Rentals in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Condos.d6059852-aaCondos.Travel-Guide-Accommodation) - [Beach Resorts & in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Beach-Hotels.0-0-d6059852-tBeachHotels.Travel-Guide-Filter-Hotels) - [Cheap Hotels in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Budget-Hotels.0-0-d6059852-tBudgetHotels.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Hotels-With-Hot-Tubs.0-0-d6059852-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Hotels with Indoor Pools in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Hotels-With-Indoor-Pools.0-0-d6059852-tHotelswithIndoorPools.Travel-Guide-Filter-Hotels) - [Hotels with Pool in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Hotels-With-Pool.0-0-d6059852-tHotelswithPool.Travel-Guide-Filter-Hotels) - [La Quinta Inn & Suites Hotels in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-La-Quinta-Inn-Suites.0-0-d6059852--bLaQuintaInnSuites.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Pet-Friendly-Hotel.0-0-d6059852-tPetFriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Waterpark in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Waterpark-Hotel.0-0-d6059852-twaterparkhotel.Travel-Guide-Filter-Hotels) - [Yoga Hotels in West Knoxville ](https://www.expedia.co.uk/West-Knoxville-Hotels-Yoga-Hotels.0-0-d6059852-tYogaHotels.Travel-Guide-Filter-Hotels) - [West Knoxville Hotels ](https://www.expedia.co.uk/West-Knoxville-Hotels.d6059852.Travel-Guide-Hotels) - [Maryville Holiday Rentals ](https://www.expedia.co.uk/Maryville-Holiday-Rentals.d8649.Travel-Guide-HolidayRentals) \*Available to Expedia members.