Cheap flights To Knoxville (IAD) from $40

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights to Knoxville from $40 One Way, $78 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Oct 8 - Tue, Oct 13
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$78 Roundtrip, found 2 hours ago
$78
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Oct 8 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Tue, Oct 13, priced at $78 found 2 hours ago
Thu, Oct 8 - Tue, Oct 13
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$80 Roundtrip, found 2 hours ago
$80
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Oct 8 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Tue, Oct 13, priced at $80 found 2 hours ago
Sat, Sep 5 - Mon, Sep 7
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$82 Roundtrip, found 2 hours ago
$82
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Sep 5 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Mon, Sep 7, priced at $82 found 2 hours ago
Mon, Sep 7 - Mon, Sep 21
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$85 Roundtrip, found 4 hours ago
$85
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Sep 7 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Mon, Sep 21, priced at $85 found 4 hours ago
Sat, Aug 29 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$86 Roundtrip, found 16 hours ago
$86
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Aug 29 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Sat, Aug 29, priced at $86 found 16 hours ago
Tue, Aug 18 - Sat, Aug 22
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Sat, Aug 22, priced at $90 just found
Tue, Aug 18 - Sat, Aug 22
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$92 Roundtrip, just found
$92
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Sat, Aug 22, priced at $92 just found
Wed, Aug 19 - Wed, Aug 26
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$93 Roundtrip, found 3 days ago
$93
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Wed, Aug 26, priced at $93 found 3 days ago
Tue, Sep 1 - Sun, Sep 6
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$97 Roundtrip, found 16 hours ago
$97
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Sun, Sep 6, priced at $97 found 16 hours ago
Tue, Oct 6 - Sat, Oct 10
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$110 Roundtrip, found 17 hours ago
$110
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Tue, Oct 6 from Orlando Intl. to Washington Dulles Intl., returning Sat, Oct 10, priced at $110 found 17 hours ago

Knoxville Flight Information

Traveling To
Knoxville
Destination Airport IATA Code
IAD
Number of Airlines Serving
Airlines
Frontier Airlines, Breeze Airways
Flight Price
$78
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Knoxville economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Burg
4.0-star property

Hotel Burg

Sep 18 - Sep 20

2 night stay

Dallas (DFW) to Baltimore (BWI)

Frontier Airlines • Roundtrip • Coach
Price was $1,000, price is now $759 per person
$759
per person
found 1 day ago
The Poppy Georgetown
4.0-star property

The Poppy Georgetown

Sep 14 - Sep 17

3 night stay

Dallas (DFW) to Baltimore (BWI)

Southwest Airlines • Coach

Baltimore (BWI) to Dallas (DFW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,367, price is now $930 per person
$930
per person
found 1 day ago
Lyle Washington D.C.
4.5-star property

Lyle Washington D.C.

Sep 16 - Sep 20

4 night stay

Dallas (DFW) to Baltimore (BWI)

American Airlines • Coach

Baltimore (BWI) to Dallas (DFW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,079, price is now $786 per person
$786
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Dallas to Knoxville
View all trips

Knoxville first class flight packages

Price found within the past 48 hours. Click for updated prices.
The LINE Hotel DC
4.5-star property

The LINE Hotel DC

8.6/10 Excellent! (1,012 reviews)

Sep 17 - Sep 21

4 night stay

San Juan (SJU) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $2,632, price is now $1,433 per person
$1,433
per person
found 1 day ago

Arlo Washington DC
4.0-star property

Arlo Washington DC

9.4/10 Exceptional! (1,776 reviews)

Sep 17 - Sep 21

4 night stay

San Juan (SJU) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $2,765, price is now $1,479 per person
$1,479
per person
found 1 day ago

Washington Plaza Hotel
4.0-star property

Washington Plaza Hotel

8.8/10 Excellent! (5,315 reviews)

Sep 17 - Sep 21

4 night stay

San Juan (SJU) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $2,713, price is now $1,501 per person
$1,501
per person
found 1 day ago

Don't see what you're looking for?
See all available trips from San Juan to Knoxville
View all trips

Knoxville

Finding cheap flights to Knoxville is easy when you have Orbitz at your fingertips. Not only does Orbitz offer great deals on Knoxville flights, but we also include some special extras to make booking a breeze. Just check out our:

Mobile Site and Apps

With Orbitz’s mobile site, m.orbitz.com, you can book your flights to Knoxville through your smartphone or tablet’s Web browser. Plus, our free downloadable apps for Android and iPhone mean it’s just a simple click to access your flight updates and alerts. You can even book exclusive mobile-only deals on hotels to go with your flights to Knoxville—even on the same day.

Pick and Choose or Book Full Vacation Packages

Don’t just be satisfied with great deals on Knoxville flights—go for the full package! With Orbitz, you can also find fantastic savings on the perfect hotel, car rental, cruise, and even activities, so you don’t waste your trip waiting in line but have the time to enjoy your trip. Pick and choose the add-ons you need, or book an entire vacation package for greater overall discounts.

Rewards That Are Miles Better

Booking directly with an airline earns you air miles or points, and you can get those same rewards with booking on Orbitz too. When you book qualifying flights to Knoxville with Orbitz, just add in your frequent flyer number during your online booking and your details will be sent to your program.

Great Deals Every Day

Add in our extra savings on packages, free nights, and other discounts, and you know you are in good hands.

Frequently asked questions

Which airlines fly to Knoxville?
You can pick from 20 airlines that operate services to Washington Dulles Intl. Airport (IAD), the main airport in the city. With all that choice, you're bound to get your hands on a fabulous deal. Here are some of the best international airlines that'll get you to Knoxville — and then exploring every corner of this city:

  • United Airlines - 442 flights to Knoxville per month
  • Air Canada - 86 flights to Knoxville per month
  • Avianca - 73 flights to Knoxville per month

What is the best airport to fly to in Knoxville?
Washington Dulles Intl. Airport (IAD). It's the city's main terminal and is located around 30 miles southeast of the downtown area. You'll be dropping off your suitcase and discovering the best of Knoxville shortly after flying in.
How much is a flight to Knoxville?
If you're after a return flight, airfares fluctuated between $78 and $110 this week. The best price for one-way was $40, originating from Atlanta (ATL).
How to book the cheapest flight to Knoxville?
With some of the most affordable flight deals around, bagging a bargain is easy with Orbitz. The following handy hints will help you snap up cheap flights to Knoxville — and leave you with more money to play with:

  • Depending on where you're leaving from, choose the 'Nearby airports' function (located under the departure and arrival options). Oftentimes, alternative departure points will offer better prices on fares.
  • If you're flexible with your schedule, click on the 'Show flexible dates' link. It'll display the flight deals for the days either side of your selected departure. Airfares often vary depending on what day of the week it is.
  • Hit 'Show options' to narrow down your search results. You can pick your preferred seating class and airline here. Under 'Sort & Filter' to the left, you can even specify whether you want to fly in the morning, afternoon or evening.
  • Reserve your seat as soon as you've decided on your travel dates. While you can get lucky on occasion, airline tickets rarely get more affordable as your departure date gets closer.
  • Save more on your adventure by bundling your hotel, flights and car rentals into one convenient package deal. Your budget will thank you for it.
  • Flying during busier seasons means expensive airfares. Try to plan your vacation outside of popular dates, such as Easter, Thanksgiving and school breaks.

How long is a flight to Knoxville?
Flight times differ depending on where you're leaving from. But to give you a better idea of the average duration, have a look at these well-known routes to Knoxville:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Washington Dulles Intl. Airport (IAD) - 1 hour and 45 minutes
  • New York, NY (LGA-LaGuardia) to Washington Dulles Intl. Airport (IAD) - 1 hour and 28 minutes
  • Denver, CO (DEN-Denver Intl.) to Washington Dulles Intl. Airport (IAD) - 3 hours and 19 minutes

What is the best time to book a flight to Knoxville?
Snap up a bargain and secure your seats to Knoxville in January. If you've missed this month, fear not. February and August often have affordable airfares as well. Just be careful you don't snooze on a sale — cheap flights pop up and disappear in an instant!
What day of the week is the cheapest to book a flight to Knoxville?
Typically, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Knoxville. If you're after unbeatable airfares, search across those days and you just might land an incredible flight deal.
What is the cheapest day of the week to fly to Knoxville?
You can score cheap flights to Knoxville by taking to the skies on a Monday, according to Orbitz data from 2020. Tuesday is the next most affordable day, while Saturday has the most costly airfares. Whether you prefer to save a bundle or fly out on any day that's convenient, you'll always get a terrific deal with Orbitz.
What is the cheapest month to fly to Knoxville?
If you have some flexibility with your travel plans, think about departing during August. Orbitz data shows that this is generally the best month to fly out if you want cheap flights to Knoxville. As you would expect, fares climb in the busy month of June and flights book out fast.
Which airlines allow free cancellation?
If you think your travel plans could change, Orbitz can help you find a flexible fare. All you have to do is click on "Filter by flexible change policies" when searching for your Knoxville flights. We'll show you all the airlines that include free cancellation within 24 hours and no change fees — in addition to irresistibly low prices.
What do I need for the flight to Knoxville?
The secret to a smooth and comfortable flight is being well prepared. Here are some useful tips to help you get ready for your trip:

  • Your travel documents are the most important items you'll need to have with you on your flight. To avoid any problems while checking in, make sure that the personal info on your ticket matches your government-issued ID.
  • Make time fly by even quicker on your short hop by packing the right stuff. Think yummy snacks, bottled water and entertainment. If you want your journey to Knoxville to go nice and quietly, squeeze some noise-canceling headphones or earplugs into your bag as well.
  • Even if you're flying when it's hot and sticky outside, take a sweater or hoodie on board with you. Cabins are notorious for getting a bit chilly!

How many direct flights are there to Knoxville?
Your next amazing adventure is just one easy plane trip away, with 689 direct services to Knoxville every month. Search for your flight with Orbitz and find a terrific deal with United Airlines, Delta Air Lines or Southern Airways Express. Other reputable carriers that provide nonstop services include American Airlines, Southwest Airlines and Air Canada.
How do I get cheap first-class/business deals to Knoxville?
There are ways of booking first or business-class tickets to Knoxville that won't burn through your budget. Pick up a seat in the pointy end of the plane for less with these practical tips:

  • Flexibility isn't confined to yoga. Have some room to move around your travel dates so you can snap up more affordable airfares when a sale comes along.
  • Many low-cost carriers offer top-notch business-class seating for a reasonable price.
  • Bid for an upgrade in online auctions or upgrade with loyalty points.

How to get into Knoxville from the airport?
A Washington Dulles Intl. Airport (IAD) car rental is one of the easiest ways to reach the downtown area of Knoxville out of Washington Dulles Intl. Airport (IAD). Arrange a ride with on-site outlet Hertz and get on the road soon after touching down. The center of the city is 30 miles north of IAD. Prefer to familiarize yourself with your surroundings before you jump into the driver's seat? Take a taxi or public transportation into Knoxville and rent a car a day or two later from the city center with one of our Knoxville car rentals instead.
What is the best time to go to Knoxville?
If you want to immerse yourself in the culture of Knoxville in the tourist season, March, August and November are the top months to visit. June 20 marks the onset of the summer season in the Northern Hemisphere and is an excellent time to travel if you delight in the open air. During this time of year, average daily temperatures range from 65 ºF to 85 ºF.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.