Cheap flights To Knoxville (IAD) from $25

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Cheap Flights to Knoxville from $25 One Way, $45 Round Trip

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

Tue, Dec 30 - Tue, Dec 30
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$45 Roundtrip, just found
$45
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 30 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Tue, Dec 30, priced at $45 just found
Tue, Dec 30 - Thu, Jan 1
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$50 Roundtrip, just found
$50
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 30 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Thu, Jan 1, priced at $50 just found
Fri, Dec 19 - Sun, Jan 4
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$51 Roundtrip, found 4 hours ago
$51
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Dec 19 from Orlando Intl. to Washington Dulles Intl., returning Sun, Jan 4, priced at $51 found 4 hours ago
Wed, Jan 7 - Wed, Jan 7
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$53 Roundtrip, found 6 days ago
$53
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jan 7 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $53 found 6 days ago
Wed, Dec 24 - Wed, Dec 31
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$57 Roundtrip, found 14 hours ago
$57
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Dec 24 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Wed, Dec 31, priced at $57 found 14 hours ago
Mon, Dec 22 - Fri, Jan 2
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$58 Roundtrip, found 6 hours ago
$58
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Dec 22 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Fri, Jan 2, priced at $58 found 6 hours ago
Thu, Nov 20 - Thu, Nov 20
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$63 Roundtrip, found 1 day ago
$63
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Orlando Intl. to Washington Dulles Intl., returning Thu, Nov 20, priced at $63 found 1 day ago
Mon, Nov 24 - Mon, Nov 24
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$64 Roundtrip, found 2 days ago
$64
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Mon, Nov 24, priced at $64 found 2 days ago
Wed, Dec 10 - Fri, Jan 9
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 10 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Fri, Jan 9, priced at $64 just found
Thu, Nov 13 - Sun, Nov 16
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$65 Roundtrip, just found
$65
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Sun, Nov 16, priced at $65 just found

Knoxville Flight Information

Traveling To
Knoxville
Destination Airport IATA Code
IAD
Number of Airlines Serving
Airlines
Frontier Airlines, United
Flight Price
$45
Earliest Departing Flight
Latest Departing Flight

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Knoxville economy flight packages

Price found within the past 48 hours. Click for updated prices.
DoubleTree by Hilton Hotel Annapolis
4.0-star property

DoubleTree by Hilton Hotel Annapolis

Nov 23 - Nov 26

3 night stay

Boston (BOS) to Baltimore (BWI)

United • Roundtrip • Coach
Price was $419, price is now $311 per person
$311
per person
found 9 hours ago
InterContinental Washington D.C. - The Wharf by IHG
5.0-star property

InterContinental Washington D.C. - The Wharf by IHG

Dec 10 - Dec 16

6 night stay

Denver (DEN) to Washington (DCA)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,189, price is now $676 per person
$676
per person
found 1 day ago
Hilton Club The District Washington D.C.
3.5-star property

Hilton Club The District Washington D.C.

Dec 12 - Dec 14

2 night stay

Boston (BOS) to Washington (DCA)

JetBlue Airways • Roundtrip • Coach
Price was $439, price is now $320 per person
$320
per person
found 24 hours ago
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Knoxville premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Historic Inns of Annapolis
3.5-star property

Historic Inns of Annapolis

9/10 Wonderful! (1,848 reviews)

Nov 26 - Nov 29

3 night stay

Minneapolis (MSP) to Baltimore (BWI)

Delta • Roundtrip • PremiumEconomy
Price was $849, price is now $730 per person
$730
per person
found 1 day ago
Family friendly, old property but clean and convenient.

Reviewed on Sep 9, 2025

Kent Island Resort
3.5-star property

Kent Island Resort

9.2/10 Wonderful! (114 reviews)

Nov 26 - Nov 29

3 night stay

Minneapolis (MSP) to Baltimore (BWI)

Delta • Roundtrip • PremiumEconomy
Price was $1,020, price is now $810 per person
$810
per person
found 1 day ago
Great place to be.

Reviewed on Feb 26, 2025

Graduate by Hilton Annapolis
4.0-star property

Graduate by Hilton Annapolis

9.4/10 Exceptional! (1,010 reviews)

Nov 26 - Nov 29

3 night stay

Minneapolis (MSP) to Baltimore (BWI)

Delta • Roundtrip • PremiumEconomy
Price was $935, price is now $797 per person
$797
per person
found 1 day ago
Clean room, but not very soundproof we could hear everything in the attached room. A dog the first night conversations and the second night people having relations and talking. We could hear complete conversations. Had to keep the tv on to drown out noise.

Reviewed on Oct 10, 2025

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Knoxville first class flight packages

Price found within the past 48 hours. Click for updated prices.
Days Inn by Wyndham Baltimore Northwest
1.5-star property

Days Inn by Wyndham Baltimore Northwest

5/10 (658 reviews)

Nov 27 - Nov 30

3 night stay

Minneapolis (MSP) to Baltimore (BWI)

Delta • Roundtrip • FirstClass
Price was $1,071, price is now $1,023 per person
$1,023
per person
found 1 day ago
The customer service was great!

Reviewed on Jul 24, 2025

DoubleTree by Hilton Hotel Annapolis
4.0-star property

DoubleTree by Hilton Hotel Annapolis

8.6/10 Excellent! (1,017 reviews)

Nov 27 - Nov 30

3 night stay

Minneapolis (MSP) to Baltimore (BWI)

Delta • Roundtrip • FirstClass
Price was $1,128, price is now $1,038 per person
$1,038
per person
found 1 day ago
I've stayed here three times and have had a great experience each visit.

Reviewed on Mar 20, 2025

Hotel Arboretum
2.0-star property

Hotel Arboretum

8/10 Very Good! (1,099 reviews)

Nov 27 - Nov 30

3 night stay

Minneapolis (MSP) to Washington (DCA)

Delta • Roundtrip • FirstClass
Price was $1,088, price is now $1,034 per person
$1,034
per person
found 1 day ago
The breakfast was basic but good. The bed was comfortable.

Reviewed on Aug 15, 2025

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Knoxville

Start your search for cheap flights to Knoxville on Orbitz. Orbitz is where you will discover guaranteed low prices on Knoxville flights, as well as all of the following conveniences:

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Low Prices Guaranteed on Flights to Knoxville

Orbitz offers large discounts on a wide range of Knoxville flights. Through our easy-to-use site, you can find, plan, and reserve your desired flights to Knoxville while taking advantage of the lowest fares around.

Customer Care When You Need It

Orbitz is dedicated to making your flight booking experience as stress-free as possible. If you need to cancel your reservation, you can do so at your own convenience by going to the Orbitz website. If you need to change your flights to Knoxville to another time or date, you can contact our customer service representatives by phone, and they help you make the flight adjustments you need.

Loyalty Program Participation Opportunities

Orbitz lets you add your loyalty or frequent flyer account numbers when you book qualifying flights to Knoxville. So don’t worry about missing out on earning miles or points simply because you aren’t booking with the airline directly. You can save on your flights, and rack up miles too.

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 $45 and $65 this week. The best price for one-way was $25, 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.