Cheap Flight Tickets from Washington (IAD) to Knoxville (TYS), Starting at $222

Good to Know: Cheapest and Fastest IAD - TYS Flights

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

Cheapest Round Trip Flight

$222

DL Delta Airlines • 1 stop • 8h 20m

Sep 13 – Sep 18

The cheapest round trip flight from Washington to Knoxville (IAD-TYS-IAD) is currently $222

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Cheapest Direct Flight

$483

AA American Airlines • nonstop • 2h 38m

Sep 13

The cheapest nonstop flight from Washington to Knoxville (IAD-TYS) is currently $483

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Fastest Flight

2h 17m

The fastest nonstop flight from Washington to Knoxville (IAD-TYS) takes 2h 17m

Top Airlines Flying from Washington to Knoxville

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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

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

Sep 13 - Sep 18, Economy
DL
Washington → Knoxville
8h 20m
3:15 PM - 8:15 PM • 1 stop
DL
Washington → Knoxville
25h 50m
6:13 PM - 10:03 AM • 1 stop
$222
Delta Airlines
Sep 13 - Sep 18, Economy
AA
Washington → Knoxville
9h 15m
6:32 AM - 12:27 PM • 1 stop
UA
Washington → Knoxville
2h 24m
7:20 PM - 9:04 PM • nonstop
$489
American Airlines
Sep 13 - Sep 18, Economy
AA
Washington → Knoxville
8h 51m
5:00 AM - 10:31 AM • 1 stop
UA
Washington → Knoxville
2h 26m
1:10 PM - 2:56 PM • nonstop
$489
American Airlines
Sep 13 - Sep 18, Economy
AA
Washington → Knoxville
5h 29m
5:01 AM - 8:30 AM • 1 stop
AA
Washington → Knoxville
5h 31m
2:00 PM - 5:31 PM • 1 stop
$508
American Airlines
Sep 13 - Sep 18, Economy
F9
Washington → Knoxville
32h 14m
9:16 PM - 4:50 PM • 2 stops
G4
Washington → Knoxville
15h 16m
8:20 AM - 5:36 PM • 2 stops
$552
Frontier Airlines
Sep 13 - Sep 18, Economy
AA
Washington → Knoxville
10h 4m
9:12 AM - 3:16 PM • 1 stop
AA
Washington → Knoxville
5h 31m
2:00 PM - 5:31 PM • 1 stop
$643
American Airlines

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

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

FAQs on Washington to Knoxville Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to TYS?
The most popular airline flying from Washington to Knoxville are
Can I fly from IAD to TYS non-stop?
Yes, you can fly IAD to TYS non-stop on
Which airlines fly nonstop between Washington and Knoxville?
The non-stop flights between Washington and Knoxville are .
What’s the earliest departure time from IAD to TYS Airport?
The earliest flight leaves IAD at 5:00 am and lands in TYS - McGhee Tyson
What are the airports in Knoxville?
TYS
Can I make changes to my Washington to Knoxville 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 IAD to TYS?
Read the fare rules of the Washington to Knoxville 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 Washington and Knoxville?
operate flights between Washington and Knoxville
How long does a flight from Washington to Knoxville take?
It takes approximately 1 hour to fly non-stop from IAD to TYS, which is 419.56 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Knoxville (TYS) ?
In the past couple of days, the cheapest tickets to TYS from IAD were found on AA : USD 508
Do I need a passport to fly between IAD and TYS?
No
What’s the latest departure time from IAD to TYS ?
The last flight leaves IAD at 10:15 pm

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

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

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