Question 1

Which is the best airline for flights from Washington, D.C. to Knoxville, Delta or United Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Knoxville are Delta and United Airlines. With an average price for the route of $249 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $369 and an overall rating of 7.4.

Question 2

How long does a flight from Washington Dulles Airport to Knoxville take?

Accepted Answer

Direct flights cover the 419 miles separating Washington Dulles Airport to Knoxville in about 1h 26m.

Question 3

How many flights are there between Washington, D.C. Dulles Intl Airport and Knoxville per day?

Accepted Answer

Each day, there are between 4 and 5 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Knoxville, with an average flight time of 1h 42m. The most common departure time is 12:00 pm and most flights take off in the morning. Each week, there are 29 flights. The most frequent day of departure is Monday, when 17% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 4

How many flights are there between Washington, D.C. Dulles Intl Airport and Knoxville per day?

Accepted Answer

Each day, there are between 4 and 5 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Knoxville, with an average flight time of 1h 42m. The most common departure time is 12:00 pm and most flights take off in the morning. Each week, there are 29 flights. The most frequent day of departure is Monday, when 17% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 5

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Knoxville was $38 for a one-way ticket and $79 for a round-trip.

Question 6

Do I need a passport to fly between Washington Dulles Airport and Knoxville?

Accepted Answer

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

Question 7

What’s the cheapest day of the week to fly from Washington Dulles Airport to Knoxville?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Knoxville on a Thursday and more expensive on a Saturday. On your return trip to Washington Dulles Airport, you should consider flying back on a Friday, and avoid Saturdays for better deals.

Question 8

What’s the cheapest day of the week to fly from Washington Dulles Airport to Knoxville?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Knoxville on a Thursday and more expensive on a Saturday. On your return trip to Washington Dulles Airport, you should consider flying back on a Friday, and avoid Saturdays for better deals.

Question 9

What’s the earliest departure time from Washington Dulles Airport to Knoxville?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 9:00 am and will be landing in Knoxville at 10:42 am.

Question 10

What’s the latest departure time from Washington Dulles Airport to Knoxville?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Knoxville jets off at 10:15 pm and lands at 11:59 pm.

Question 11

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Knoxville?

Accepted Answer

There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Knoxville. They are Allegiant Air and United Airlines. The cheapest airline for this route is Allegiant Air, with the best round-trip deal found costing $54. On average, the best prices for this route can be found at Allegiant Air.

Question 12

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Knoxville?

Accepted Answer

There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Knoxville. They are Allegiant Air and United Airlines. The cheapest airline for this route is Allegiant Air, with the best round-trip deal found costing $54. On average, the best prices for this route can be found at Allegiant Air.

Question 13

Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Knoxville?

Accepted Answer

American Airlines, and JetBlue offer inflight Wi-Fi service on the Washington Dulles Airport to Knoxville flight route.

Question 14

Which aircraft models fly most regularly from Washington Dulles Airport to Knoxville?

Accepted Answer

The Embraer ERJ-135 / ERJ-140 / ERJ-145 is the aircraft model that flies most regularly on the Washington Dulles Airport to Knoxville flight route.

Question 15

Which airline alliances offer flights from Washington Dulles Airport to Knoxville?

Accepted Answer

SkyTeam, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Knoxville, with SkyTeam being the most commonly used for this route.

Question 16

On which days can I fly direct from Washington Dulles Airport to Knoxville?

Accepted Answer

There are nonstop flights from Washington Dulles Airport to Knoxville on a daily basis.

Question 17

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Knoxville is July, where tickets cost $100 (return) on average. On the other hand, the most expensive months are January and September, where the average cost of round-trip tickets is $487 and $427 respectively.

Question 18

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Knoxville is July, where tickets cost $100 (return) on average. On the other hand, the most expensive months are January and September, where the average cost of round-trip tickets is $487 and $427 respectively.

Question 19

How does KAYAK find such low prices on flights from Washington Dulles Airport to Knoxville?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Knoxville.

Question 20

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Knoxville?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Question 21

What is the Hacker Fare option on flights from Washington Dulles Airport to Knoxville?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and TYS can sometimes prove cheaper using this method.

Question 22

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Knoxville?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 23

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Knoxville?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 24

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Knoxville?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 25

Which airlines provide the cheapest flights from Washington Dulles Airport to Knoxville?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Knoxville were found on Allegiant Air ($79) and United Airlines ($193).

Question 26

Which airlines provide the cheapest flights from Washington Dulles Airport to Knoxville?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Knoxville were found on Allegiant Air ($79) and United Airlines ($193).

Question 27

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Knoxville, you should book around 3 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Question 28

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Knoxville, you should book around 3 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Question 29

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Knoxville?

Accepted Answer

Flight prices are below average for this route right now.Flights to Knoxville from Washington, D.C. Dulles Intl Airport usually cost between $186 and $409 in October.
The lowest price found in the past 5 days was $79 on Allegiant Air (Oct 22-Oct 25).

Question 30

What are the most popular airlines flying to Knoxville?

Accepted Answer

The most popular airline among KAYAK users flying to Knoxville is Allegiant Air, followed by United Airlines and Delta.

Low season	September
High season	April
Cheapest flight	$38

IAD - TYS

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Everything you should know

Cheap Flights from Dulles Intl to Knoxville (IAD-TYS)

Recent round-trip flight deals from Dulles Intl to Knoxville

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KAYAK's insights & trends for Dulles Intl to Knoxville flights

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Knoxville?

What’s the cheapest day of the week to fly from Washington Dulles Airport to Knoxville?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Knoxville?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Knoxville?

Which airlines provide the cheapest flights from Washington Dulles Airport to Knoxville?

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Knoxville?

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Knoxville?

How many flights are there between Washington, D.C. Dulles Intl Airport and Knoxville per day?

How long does a flight from Washington Dulles Airport to Knoxville take?

What’s the earliest departure time from Washington Dulles Airport to Knoxville?

What’s the latest departure time from Washington Dulles Airport to Knoxville?

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