￥35,050 Cheap Flights from Washington (IAD) to Knoxville (TYS)

View ￥35,050 flight on Wed, Mar 25, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS)

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Cheap Flights from Washington to Knoxville (IAD-TYS)

Prices were available within the past 7 days and start at ￥35,050 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

August is typically the cheapest month to fly

From ￥28,618 - ￥66,419 per traveler.
Flights from Washington (IAD) to Knoxville (TYS)
Origin airport
Washington Dulles Intl.
Destination airport
McGhee Tyson
Distance
671 km
Average flight time
1 hour 49 mins

Washington to Knoxville Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Knoxville.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to TYS flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to TYS with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from IAD to Knoxville Airport?
The lowest price advertised for a round-trip flight from Washington Dulles Intl. Airport (IAD) to McGhee Tyson Airport (TYS) is . But you better get a move on. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Knoxville Airport?
This differs between airlines, as each has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel online.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Knoxville 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 IAD to Knoxville Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from IAD to Knoxville Airport?
The flight time from IAD to Knoxville Airport is an easy 4 hours and 21 minutes. You'll be lucky to finish an entire movie before you touch down!
How far is the flight from Dulles Intl. Airport to TYS?
It's just 680 kilometers from IAD to TYS. It's quite possible that you'll spend more time getting to and from the airport than you will actually flying!
Which airlines fly direct from IAD to TYS?
Check out the deals on offer with United Airlines (UA) if you want to fly straight from Dulles Intl. Airport to TYS. This top airline offers 82 flights monthly, so you're sure to find one that fits your schedule.
Are IAD to McGhee Tyson Airport (TYS) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to Knoxville Airport last minute could save you some serious cash. However, it could end up costing a great deal more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.
*Available to Expedia members.