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Cheap flights from Pennsylvania to Knoxville from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Knoxville departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:30 pm - 10:10 pm
IAD
-
TYS
1h 40mnonstop
Allegiant Air Logo
5:56 pm - 7:40 pm
TYS
-
IAD
1h 44mnonstop
$83Allegiant Air
Thu, Feb 19 - Sun, Feb 22
Allegiant Air Logo
8:27 pm - 10:07 pm
IAD
-
TYS
1h 40mnonstop
Allegiant Air Logo
5:53 pm - 7:37 pm
TYS
-
IAD
1h 44mnonstop
$91Allegiant Air
Thu, Feb 26 - Sun, Mar 1
American Airlines Logo
7:49 pm - 9:40 pm
DCA
-
TYS
1h 51mnonstop
American Airlines Logo
5:11 pm - 6:59 pm
TYS
-
DCA
1h 48mnonstop
$163American Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
4:14 pm - 6:26 pm
PHL
-
TYS
26h 12m
1 stop
Multiple Airlines Logo
6:24 pm - 12:26 pm
TYS
-
PHL
18h 02m
1 stop
$182Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
6:26 pm - 8:29 pm
PHL
-
TYS
2h 03mnonstop
Multiple Airlines Logo
7:24 pm - 4:36 pm
TYS
-
PHL
21h 12m
1 stop
$183Multiple Airlines
Thu, May 28 - Mon, Jun 1
American Airlines Logo
9:18 am - 11:11 am
DCA
-
TYS
1h 53mnonstop
American Airlines Logo
6:05 am - 7:47 am
TYS
-
DCA
1h 42mnonstop
$186American Airlines
Sat, Apr 4 - Sun, Apr 5
Southwest Logo
6:00 am - 12:00 pm
DCA
-
TYS
6h 00m
1 stop
Southwest Logo
7:05 am - 12:20 pm
TYS
-
DCA
5h 15m
1 stop
$196Southwest
Wed, Apr 15 - Wed, Apr 22
Southwest Logo
12:00 pm - 7:40 pm
DCA
-
TYS
7h 40m
2 stops
Southwest Logo
2:55 pm - 8:50 pm
TYS
-
DCA
5h 55m
1 stop
$201Southwest
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
2:05 pm - 8:37 pm
PIT
-
TYS
6h 32m
1 stop
United Airlines Logo
6:45 am - 1:14 pm
TYS
-
PIT
6h 29m
1 stop
$251United Airlines
Wed, Feb 25 - Sat, Feb 28
United Airlines Logo
2:05 pm - 8:37 pm
PIT
-
TYS
6h 32m
1 stop
United Airlines Logo
6:45 am - 2:07 pm
TYS
-
PIT
7h 22m
2 stops
$256United Airlines
Wed, Feb 25 - Sat, Feb 28

Allegiant Air flights from Pennsylvania to Knoxville

Our best Allegiant Air deals on Pennsylvania to Knoxville flight tickets
Allegiant Air
Feb 19
IAD8:30 pmWashington, D.C. Dulles Intl
1h 40m
TYS10:10 pmKnoxville McGhee Tyson
Feb 22
TYS5:56 pmKnoxville McGhee Tyson
1h 44m
IAD7:40 pmWashington, D.C. Dulles Intl
$83
Allegiant Air
Feb 12
IAD8:45 pmWashington, D.C. Dulles Intl
1h 40m
TYS10:25 pmKnoxville McGhee Tyson
Feb 19
TYS5:56 pmKnoxville McGhee Tyson
1h 44m
IAD7:40 pmWashington, D.C. Dulles Intl
$84
Allegiant Air
Feb 26
IAD8:27 pmWashington, D.C. Dulles Intl
1h 40m
TYS10:07 pmKnoxville McGhee Tyson
Mar 1
TYS5:53 pmKnoxville McGhee Tyson
1h 44m
IAD7:37 pmWashington, D.C. Dulles Intl
$91

American Airlines flights from Pennsylvania to Knoxville

Our best American Airlines deals on Pennsylvania to Knoxville flight tickets
American Airlines
Apr 15
DCA7:49 pmWashington, D.C. Reagan-National
1h 51m
TYS9:40 pmKnoxville McGhee Tyson
Apr 22
TYS5:11 pmKnoxville McGhee Tyson
1h 48m
DCA6:59 pmWashington, D.C. Reagan-National
$163
American Airlines
Apr 4
DCA9:18 amWashington, D.C. Reagan-National
1h 53m
TYS11:11 amKnoxville McGhee Tyson
Apr 5
TYS6:05 amKnoxville McGhee Tyson
1h 42m
DCA7:47 amWashington, D.C. Reagan-National
$186
American Airlines
Mar 1
DCA9:05 amWashington, D.C. Reagan-National
1h 53m
TYS10:58 amKnoxville McGhee Tyson
Mar 12
TYS6:05 amKnoxville McGhee Tyson
1h 42m
DCA7:47 amWashington, D.C. Reagan-National
$189

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Pennsylvania to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-10:10 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 2/22

5:56 pm-7:40 pm

Nonstop1h 44m

$83

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 2/26

8:27 pm-10:07 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 3/1

5:53 pm-7:37 pm

Nonstop1h 44m

$91

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 4/15

7:49 pm-9:40 pm

Nonstop1h 51m

Knoxville McGhee Tyson

Wed 4/22

5:11 pm-6:59 pm

Nonstop1h 48m

$163

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 3/3

4:14 pm-6:26 pm

1 stop26h 12m

Knoxville McGhee Tyson

Tue 3/10

6:24 pm-12:26 pm

1 stop18h 02m

$182

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 5/28

6:26 pm-8:29 pm

Nonstop2h 03m

Knoxville McGhee Tyson

Mon 6/1

7:24 pm-4:36 pm

1 stop21h 12m

$183

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 4/4

9:18 am-11:11 am

Nonstop1h 53m

Knoxville McGhee Tyson

Sun 4/5

6:05 am-7:47 am

Nonstop1h 42m

$186

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 4/15

6:00 am-12:00 pm

1 stop6h 00m

Knoxville McGhee Tyson

Wed 4/22

7:05 am-12:20 pm

1 stop5h 15m

$196

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 4/15

12:00 pm-7:40 pm

2 stops7h 40m

Knoxville McGhee Tyson

Wed 4/22

2:55 pm-8:50 pm

1 stop5h 55m

$201

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/25

2:05 pm-8:37 pm

1 stop6h 32m

Knoxville McGhee Tyson

Sat 2/28

6:45 am-1:14 pm

1 stop6h 29m

$251

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/25

2:05 pm-8:37 pm

1 stop6h 32m

Knoxville McGhee Tyson

Sat 2/28

6:45 am-2:07 pm

2 stops7h 22m

$256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Pennsylvania to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of July is, on average, the cheapest month to fly to Knoxville from Pennsylvania, with most prices found around $416. If you aren’t able to travel during the month of July, then book flights to Knoxville from Pennsylvania during August instead. Flights to Knoxville in August, while not as cheap as those in July, still average around $447.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Pennsylvania to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $411. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Knoxville for around $611.

What is the cheapest time of day to depart on your flight to Knoxville?

In the evening is the cheapest time of day to fly from Pennsylvania to Knoxville when you can find flight prices for as low as $447. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $474.

What is the cheapest Pennsylvania to Knoxville McGhee Tyson flight route?

Fly from Philadelphia to Knoxville McGhee Tyson for the best Pennsylvania - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Pennsylvania for as low as $374 on momondo.

What cabin class options are available on Pennsylvania to Knoxville McGhee Tyson flights?

There are 3 cabin classes available to choose from on Pennsylvania to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Knoxville.

Cheap Pennsylvania to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Knoxville

Best Price Found

$380

Fastest flight time

1h 26m

Direct flights

Every day

Airports in Knoxville

1 airport
The best flight deal from Pennsylvania to Knoxville found on momondo in the last 72 hours is $380
The fastest flight from Pennsylvania to Knoxville takes 1h 26m
Direct flights go from Pennsylvania to Knoxville every day.
There is 1 airport in Knoxville. From Pennsylvania there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Knoxville McGhee Tyson Airport?

    Prices for flights from Pennsylvania to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Pennsylvania to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Pennsylvania to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to Knoxville?

Best airlines flying from Pennsylvania to Knoxville

Compare and see reviews for airlines that fly from Pennsylvania to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $95Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pennsylvania to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Pennsylvania to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Pennsylvania to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to Knoxville?

Once all potential Pennsylvania to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pennsylvania to Knoxville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Knoxville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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