Cheap United flights Washington (IAD) to Knoxville (TYS)

Apply the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines round-trip flights from IAD to TYS. Affordable one-way fares are also available.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

United Airlines flights to Knoxville are often more affordable in the low-season months of January and December. Whether you're after a one-way or round-trip ticket, you could land a better deal then.

Yes, you can travel from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS) on any of United Airlines's 21 direct weekly flights. Use Expedia's "Nonstop" and "Airline" filters to find the United Airlines flight that'll arrive at TYS at your preferred time.

It takes approximately 1h 51m to fly nonstop from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS) with United Airlines.

United Airlines operates the most flights from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS) on Thursday. With up to 3 daily departures, you'll get the most flexibility on this day.

United Airlines flights from Washington Dulles Intl. Airport (IAD) to Knoxville arrive at McGhee Tyson Airport (TYS). This is the main entry point to this destination.

Most likely, you'll be flying on an Embraer ERJ for your United Airlines flight from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS). However, you may be switched to an alternative aircraft if there's an operational need.

You can usually reschedule or cancel your flight, although there may be a charge if your booking was made more than 24 hours ago. Want to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to revise your plans. To update your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.