Cheap Flight Tickets from Knoxville (TYS) to Washington (IAD), Starting at $317

Good to Know: Cheapest and Fastest TYS - IAD Flights

Useful information for finding best airline tickets from McGhee Tyson to Washington Dulles International on your next trip.

Cheapest Round Trip Flight

$436

DL Delta Airlines • 1 stop • 5h 43m

Jan 01 – Jan 03

The cheapest round trip flight from Knoxville to Washington (TYS-IAD-TYS) is currently $436

🔍 Search Flights

Cheapest Direct Flight

$317

UA United Airlines • nonstop • 2h 20m

Jan 01

The cheapest nonstop flight from Knoxville to Washington (TYS-IAD) is currently $317

🔍 Search Flights

Fastest Flight

2h 20m

The fastest nonstop flight from Knoxville to Washington (TYS-IAD) takes 2h 20m

Top Airlines Flying from Knoxville to Washington

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Knoxville (TYS) to Washington (IAD)

Compare and book low fare round-trip air tickets from Knoxville to Washington. Ideal for travelers with confirmed return itineraries.

Jan 01 - Jan 03, Economy
DL
Knoxville → Washington
5h 43m
9:00 AM - 12:43 PM • 1 stop
DL
Knoxville → Washington
20h 54m
7:00 AM - 7:54 PM • 2 stops
$436
Delta Airlines
Jan 01 - Jan 03, Economy
DL
Knoxville → Washington
20h 1m
10:56 AM - 10:57 PM • 1 stop
DL
Knoxville → Washington
10h 40m
1:14 PM - 7:54 PM • 1 stop
$540
Delta Airlines
Jan 01 - Jan 03, Economy
UA
Knoxville → Washington
15h 33m
6:30 AM - 4:03 PM • 1 stop
UA
Knoxville → Washington
8h 41m
3:30 PM - 8:51 PM • 1 stop
$818
United Airlines
Jan 01 - Jan 03, Economy
UA
Knoxville → Washington
8h 37m
6:30 AM - 11:47 AM • 1 stop
UA
Knoxville → Washington
11h 49m
2:35 PM - 9:44 PM • 1 stop
$886
United Airlines
Jan 01 - Jan 03, Economy
UA
Knoxville → Washington
16h 41m
6:15 AM - 4:16 PM • 1 stop
UA
Knoxville → Washington
8h 41m
3:30 PM - 8:51 PM • 1 stop
$1007
United Airlines
Jan 01 - Jan 03, Economy
DL
Knoxville → Washington
5h 51m
12:16 PM - 4:07 PM • 1 stop
DL
Knoxville → Washington
10h 53m
4:57 PM - 11:50 PM • 1 stop
$2284
Delta Airlines

Fly from Knoxville to Washington with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Knoxville to Washington? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Knoxville to Washington Flights

What are the airports in Knoxville?
TYS
What’s the most popular airline flying from TYS to IAD?
The most popular airline flying from Knoxville to Washington are
Can I fly from TYS to IAD non-stop?
Yes, you can fly TYS to IAD non-stop on
Which airlines fly nonstop between Knoxville and Washington?
The non-stop flights between Knoxville and Washington are .
What’s the earliest departure time from TYS to IAD Airport?
The earliest flight leaves TYS at 6:15 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Knoxville to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from TYS to IAD?
Read the fare rules of the Knoxville to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Knoxville and Washington?
operate flights between Knoxville and Washington
How long does a flight from Knoxville to Washington take?
It takes approximately 1 hour to fly non-stop from TYS to IAD, which is 419.56 miles by air.
Which airlines provide the cheapest flights from Knoxville (TYS) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from TYS were found on DL : USD 540
Do I need a passport to fly between TYS and IAD?
No
What’s the latest departure time from TYS to IAD ?
The last flight leaves TYS at 7:3500 pm

Knoxville (TYS) to Washington (IAD): Airport Information

Origin Airport McGhee Tyson , Knoxville, US
Destination Airport Washington Dulles International , Washington, US
Distance 420 miles

More Flight Options for Knoxville (TYS) and Washington (IAD)

Why Fareleaders for TYS to IAD Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Knoxville to Washington flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on TYS to IAD flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Knoxville to Washington flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Knoxville (TYS) to Washington (IAD)
Terms and Conditions*