Cheap Flights from Knoxville (TYS) to Washington (IAD)

Popular airlines from Alcoa - Knoxville Airport (TYS) to Washington Dulles International Airport (IAD)

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Find the cheapest month to fly from Knoxville (TYS) to Washington (IAD)

November is typically the cheapest month to fly

From £133 - £355 per traveller.

Graph displaying average flight prices per month

Flight from Knoxville to Washington route information
Origin airport
McGhee Tyson
Destination airport
Washington Dulles Intl.
Distance
671 km
Average flight time
1 hour 43 mins

Compare flights from Knoxville to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Knoxville to Washington. Operating between them 18 flights per day, airlines cover the route. And Air Canada, Avianca, Copa Airlines, Brussels Airlines, Lufthansa, United Airlines, Ethiopian Airlines fly direct, getting you to Washington Dulles Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from McGhee Tyson to Washington Dulles Intl..  

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 McGhee Tyson (TYS) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Knoxville to Washington 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 McGhee Tyson to Washington Dulles Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Knoxville and Washington
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Knoxville to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from McGhee Tyson to Washington Dulles Intl. 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 TYS to Dulles Intl. Airport?
If you're planning on travelling from McGhee Tyson Airport (TYS) to Dulles Intl. Airport, round-trip journeys start from . This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from McGhee Tyson Airport (TYS) to Dulles Intl. Airport?
The majority of flights can be cancelled online, but every airline has its own terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Knoxville Airport to Dulles Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for TYS to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Knoxville Airport to Dulles Intl. Airport?
You won't need a lengthy novel for this flight — it's just 680 kilometres from Alcoa to Chantilly. Sit down, order a drink and you'll be in Chantilly in next to no time.
Which airlines fly direct from Knoxville Airport to Dulles Intl. Airport?
Flying directly from Knoxville Airport to Dulles Intl. Airport is a cinch with United Airlines (UA). This top airline offers 60 flights each month.
Are Knoxville Airport to IAD flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some of the cheapest airfares from Knoxville Airport to Dulles Intl. Airport arising a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

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