Cheap Flights To Knoxville 2025

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Knoxville Flights as Low as $106

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jul 21 - Mon, Jul 28
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$106 Roundtrip, found 14 hours ago
$106
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Mon, Jul 28, priced at $106 found 14 hours ago
Frontier Airlines
Fri, Jul 11 - Thu, Jul 17
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Thu, Jul 17, priced at $128 found 4 days ago
Frontier Airlines
Mon, Jul 14 - Sat, Jul 19
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$137 Roundtrip, found 4 days ago
$137
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Sat, Jul 19, priced at $137 found 4 days ago
Frontier Airlines
Mon, Jul 21 - Sun, Jul 27
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$142 Roundtrip, found 14 hours ago
$142
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Sun, Jul 27, priced at $142 found 14 hours ago
Frontier Airlines
Mon, Jul 21 - Sat, Jul 26
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$147 Roundtrip, found 14 hours ago
$147
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Sat, Jul 26, priced at $147 found 14 hours ago
Frontier Airlines
Sun, Jul 13 - Fri, Jul 18
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Fri, Jul 18, priced at $149 found 4 days ago
United
Thu, Jul 24 - Mon, Jul 28
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$152 Roundtrip, found 14 hours ago
$152
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Jul 24 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Mon, Jul 28, priced at $152 found 14 hours ago
Delta
Mon, Aug 25 - Mon, Sep 1
ROC
Greater Rochester Intl.
IAD
Washington Dulles Intl.
$179 Roundtrip, found 18 hours ago
$179
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, Aug 25 from Greater Rochester Intl. to Washington Dulles Intl., returning Mon, Sep 1, priced at $179 found 18 hours ago
United
Mon, Jul 14 - Fri, Jul 18
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jul 14 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Fri, Jul 18, priced at $197 found 4 days ago
American Airlines
Thu, Jul 24 - Mon, Jul 28
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$197 Roundtrip, found 14 hours ago
$197
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Jul 24 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Mon, Jul 28, priced at $197 found 14 hours ago
Frontier Airlines
Mon, Sep 8 - Mon, Sep 15
MCI
Kansas City Intl.
IAD
Washington Dulles Intl.
$218 Roundtrip, found 19 hours ago
$218
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Mon, Sep 8 from Kansas City Intl. to Washington Dulles Intl., returning Mon, Sep 15, priced at $218 found 19 hours ago
Delta
Mon, Jul 14 - Fri, Jul 18
DAL
Love Field
IAD
Washington Dulles Intl.
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jul 14 from Love Field to Washington Dulles Intl., returning Fri, Jul 18, priced at $237 found 4 days ago
Frontier Airlines
Sat, Jun 14 - Tue, Jun 17
LAX
Los Angeles Intl.
IAD
Washington Dulles Intl.
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Los Angeles Intl. to Washington Dulles Intl., returning Tue, Jun 17, priced at $258 found 1 day ago
Hawaiian Airlines
Tue, Jun 17 - Tue, Jun 17
LAX
Los Angeles Intl.
IAD
Washington Dulles Intl.
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Jun 17 from Los Angeles Intl. to Washington Dulles Intl., returning Tue, Jun 17, priced at $361 found 1 day ago
Alaska Airlines
Thu, Jun 19 - Tue, Jun 24
LAX
Los Angeles Intl.
IAD
Washington Dulles Intl.
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jun 19 from Los Angeles Intl. to Washington Dulles Intl., returning Tue, Jun 24, priced at $372 found 1 day ago
Frontier Airlines
Thu, Jun 5 - Thu, Jun 12
SLC
Salt Lake City Intl.
IAD
Washington Dulles Intl.
$393 Roundtrip, found 1 day ago
$393
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jun 5 from Salt Lake City Intl. to Washington Dulles Intl., returning Thu, Jun 12, priced at $393 found 1 day ago

Flight Travel Guide to Knoxville

No matter how much you fight the travel bug, sometimes there's only one solution—to hop on the next plane to Knoxville. AARP Travel Center Powered by Expedia® is here to help you cure that bug with great deals on flights and activities. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed.

As an AARP member, you'll get exclusive rates on:

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Once you have got your trip scheduled, we'll show you a full list of deals for your route. Do not forget to look at flights to alternative airports nearby, which can help you find a lower fare.

Transportation at the Airport

Once you've got your flight scheduled to Knoxville, you may want to book a car so you can get around Knoxville. You can book a Knoxville rental car under our cars tab and hop in the car right when you step out of the airport. If you don't need a rental car, there are other ground transportation options such as ride hailing applications, shuttle, limousine, and taxi services.

Things to Do in Knoxville

Not sure where to start? Not to worry—there's lots to do in this city. Knoxville has so much to do, and we can help you get started.

If you're looking for some fun activities to do in Knoxville, make sure you look at our "Things to Do in Knoxville" page for activities and excursions for the whole crew.

Where to Stay in Knoxville

Knoxville has accommodation to choose from, so you will have little difficulty finding a place to stay close to all the things you want to see. If you need to stay close to an attraction or the airport in Knoxville, check out our hotel listings page. No matter where you stay, just remember that you will get the best price out there when you book with us.

Planning Your Trip to Knoxville

Once you've planned your travel dates, allow us here at AARP Travel to connect you with cheap tickets to Knoxville. There is no better time than now to start booking your next trip. Book one of our flights today.