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Cheap flights from Pittsburgh to Knoxville (PIT - TYS) from $99

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PIT — TYS
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in January or September, booked 63 days in advance, depart on a Saturday or Friday and return on a Thursday

Cheap flight deals from Pittsburgh to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2024.

Popular in

May

Cheapest in

January

Round-trip from

$302

One-way from

$99
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Pittsburgh to Knoxville McGhee Tyson
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One-way flight from Pittsburgh to Knoxville McGhee Tyson
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What is the cheapest day to fly round-trip from Pittsburgh to Knoxville?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 44% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 229% on flights from Pittsburgh to Knoxville compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $190. For sooner than that we have options available in the next 3 days from $585.

What is the cheapest month to fly from Pittsburgh to Knoxville?

The best pricing can be found in the month of January. Prices to Knoxville from Pittsburgh average $410. You can even find prices in January for less than $410, as users have found deals to Knoxville from as low as $219. The month of May appears to be one of the more expensive times to travel to Knoxville from Pittsburgh. Flying in the targeted month can save you up to 18%.

When is the cheapest time to fly from Pittsburgh to Knoxville (PIT - TYS)?

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Knoxville in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

Cheap American Airlines flights from Pittsburgh to Knoxville

Explore cheap flight options specifically provided by American Airlines for the route between Pittsburgh and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Pittsburgh to Knoxville. Make sure to check back often as deals are often changing.
Sun 5/266:08 pmPIT - TYS
1 stop3h 40mAmerican Airlines
Tue 6/45:19 amTYS - PIT
1 stop3h 39mAmerican Airlines
Deal found 4/23$205
Mon 5/276:25 amPIT - TYS
1 stop5h 43mAmerican Airlines
Wed 6/55:18 amTYS - PIT
1 stop3h 59mAmerican Airlines
Deal found 4/23$215
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Wed 5/157:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$220
Fri 9/206:01 pmPIT - TYS
1 stop3h 30mAmerican Airlines
Thu 9/266:25 pmTYS - PIT
1 stop5h 25mAmerican Airlines
Deal found 4/24$226
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Fri 5/107:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$235
Thu 9/125:12 amPIT - TYS
1 stop3h 09mAmerican Airlines
Sun 9/155:29 amTYS - PIT
1 stop3h 04mAmerican Airlines
Deal found 4/23$255
Wed 5/15:00 amPIT - TYS
1 stop3h 25mAmerican Airlines
Tue 5/77:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$265
Wed 6/266:56 amPIT - TYS
1 stop5h 18mAmerican Airlines
Sat 6/298:02 pmTYS - PIT
1 stop3h 57mAmerican Airlines
Deal found 4/24$270
Thu 5/165:06 amPIT - TYS
1 stop3h 35mAmerican Airlines
Tue 5/217:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/23$315

Cheap United Airlines flights from Pittsburgh to Knoxville

Explore cheap flight options specifically provided by United Airlines for the route between Pittsburgh and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Browse through some of the cheapest United Airlines flights traveling from Pittsburgh to Knoxville. Check back soon if you're not seeing flights that suit your needs.
Sat 7/66:20 amPIT - TYS
1 stop4h 05mUnited Airlines
Wed 7/105:50 amTYS - PIT
1 stop3h 45mUnited Airlines
Deal found 4/23$308
Wed 9/410:25 amPIT - TYS
1 stop4h 15mUnited Airlines
Wed 9/115:50 amTYS - PIT
2 stops15h 06mUnited Airlines
Deal found 4/24$336
Wed 5/226:15 amPIT - TYS
1 stop4h 11mUnited Airlines
Wed 5/295:50 amTYS - PIT
2 stops11h 04mUnited Airlines
Deal found 4/23$376
Mon 5/2710:30 amPIT - TYS
1 stop4h 10mUnited Airlines
Wed 5/295:50 amTYS - PIT
2 stops13h 19mUnited Airlines
Deal found 4/23$416
Tue 5/286:10 amPIT - TYS
1 stop4h 16mUnited Airlines
Wed 6/55:50 amTYS - PIT
2 stops11h 04mUnited Airlines
Deal found 4/23$456
Wed 5/226:15 amPIT - TYS
2 stops16h 26mUnited Airlines
Wed 5/297:00 amTYS - PIT
2 stops16h 15mUnited Airlines
Deal found 4/23$944
Wed 5/86:30 amPIT - TYS
2 stops10h 20mUnited Airlines
Wed 5/157:00 amTYS - PIT
2 stops11h 27mUnited Airlines
Deal found 4/24$1,143

Cheap Pittsburgh to Knoxville flights in April & May 2024

Find cheap flight options from Pittsburgh to Knoxville specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Prices were last updated on April 25, 2024.
These are some of the most attractive deals on flights from Pittsburgh to Knoxville in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 5/266:08 pmPIT - TYS
1 stop3h 40mAmerican Airlines
Tue 6/45:19 amTYS - PIT
1 stop3h 39mAmerican Airlines
Deal found 4/23$205
Mon 5/276:25 amPIT - TYS
1 stop5h 43mAmerican Airlines
Wed 6/55:18 amTYS - PIT
1 stop3h 59mAmerican Airlines
Deal found 4/23$215
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Wed 5/157:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$220
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Fri 5/107:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$235
Sun 4/2812:36 pmPIT - TYS
1 stop21h 15mFrontier
Wed 5/110:51 amTYS - PIT
1 stop25h 50mFrontier
Deal found 4/24$237
Wed 5/15:00 amPIT - TYS
1 stop3h 25mAmerican Airlines
Tue 5/77:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$265
Thu 5/165:06 amPIT - TYS
1 stop3h 35mAmerican Airlines
Tue 5/217:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/23$315
Sun 5/268:46 amPIT - TYS
2 stops5h 27mAmerican Airlines
Tue 6/45:19 amTYS - PIT
1 stop3h 39mAmerican Airlines
Deal found 4/23$322
Thu 4/255:00 amPIT - TYS
1 stop3h 25mAmerican Airlines
Thu 5/25:19 amTYS - PIT
1 stop3h 38mAmerican Airlines
Deal found 4/24$345

Pittsburgh to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Pittsburgh and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
These are some of the most attractive deals on flights from Pittsburgh to Knoxville in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 6/41:29 pmPIT - TYS
1 stop7h 41mFrontier
Thu 6/610:47 amTYS - PIT
1 stop5h 44mFrontier
Deal found 4/23$131
Thu 6/208:11 amPIT - TYS
1 stop7h 25mFrontier
Thu 6/2710:47 amTYS - PIT
1 stop5h 44mFrontier
Deal found 4/24$136
Thu 6/68:11 amPIT - TYS
1 stop7h 25mFrontier
Sun 6/910:47 amTYS - PIT
1 stop5h 44mFrontier
Deal found 4/24$197
Sun 5/266:08 pmPIT - TYS
1 stop3h 40mAmerican Airlines
Tue 6/45:19 amTYS - PIT
1 stop3h 39mAmerican Airlines
Deal found 4/23$205
Mon 5/276:25 amPIT - TYS
1 stop5h 43mAmerican Airlines
Wed 6/55:18 amTYS - PIT
1 stop3h 59mAmerican Airlines
Deal found 4/23$215
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Wed 5/157:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$220
Fri 9/206:01 pmPIT - TYS
1 stop3h 30mAmerican Airlines
Thu 9/266:25 pmTYS - PIT
1 stop5h 25mAmerican Airlines
Deal found 4/24$226
Mon 6/36:05 amPIT - TYS
1 stop4h 28mDelta
Fri 6/77:59 pmTYS - PIT
1 stop4h 11mDelta
Deal found 4/24$228
Wed 5/86:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Fri 5/107:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$235

Pittsburgh to Knoxville flights leaving soon

Find last-minute flight options from Pittsburgh to Knoxville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Have a look at some of the last-minute flights available departing from Pittsburgh to Knoxville. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/15:00 amPIT - TYS
1 stop3h 25mAmerican Airlines
Tue 5/77:53 pmTYS - PIT
1 stop4h 10mAmerican Airlines
Deal found 4/24$265
Wed 5/11:54 pmPIT - TYS
1 stop5h 46mAmerican Airlines
Tue 5/75:19 amTYS - PIT
2 stops6h 00mAmerican Airlines
Deal found 4/24$480
Fri 5/38:11 amPIT - TYS
2 stops8h 13mAmerican Airlines
Mon 5/65:19 amTYS - PIT
2 stops7h 51mAmerican Airlines
Deal found 4/24$486

One-way flights to Knoxville from Pittsburgh

Search for one-way flight options from Pittsburgh to Knoxville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Some of the best available deals we've found on one-way flights from Pittsburgh to Knoxville. Users in need of a round-trip flight from Pittsburgh to Knoxville instead should update the search form at the top of page.
Thu 5/169:00 pmPIT - TYS
1 stop23h 02mFrontier
Deal found 4/24$99
Mon 5/205:06 amPIT - TYS
1 stop5h 31mAmerican Airlines
Deal found 4/23$208
Sat 6/156:18 pmPIT - TYS
1 stop5h 35mDelta
Deal found 4/23$209
Thu 5/167:25 amPIT - TYS
2 stops10h 01mAmerican Airlines
Deal found 4/24$234
Sun 5/126:25 amPIT - TYS
1 stop4h 12mAmerican Airlines
Deal found 4/24$278
Mon 5/136:00 amPIT - TYS
1 stop4h 28mAmerican Airlines
Deal found 4/24$279
Sun 5/126:00 amPIT - TYS
2 stops6h 08mAmerican Airlines
Deal found 4/24$284
Sat 6/154:38 pmPIT - TYS
2 stops7h 20mAmerican Airlines
Deal found 4/23$299
Mon 5/204:00 pmPIT - TYS
2 stops7h 51mAmerican Airlines
Deal found 4/23$304

Find flights from Pittsburgh to Knoxville within your budget

Customize your flight search to find flights from Pittsburgh 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, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$131 - $308

Route

Depart

Return

Price

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Tue 6/4

1 stop7h 41m

Knoxville McGhee Tyson

Thu 6/6

1 stop5h 44m

$131

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Thu 6/20

1 stop7h 25m

Knoxville McGhee Tyson

Thu 6/27

1 stop5h 44m

$136

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Thu 6/6

1 stop7h 25m

Knoxville McGhee Tyson

Sun 6/9

1 stop5h 44m

$197

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Sun 5/26

1 stop3h 40m

Knoxville McGhee Tyson

Tue 6/4

1 stop3h 39m

$205

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Mon 5/27

1 stop5h 43m

Knoxville McGhee Tyson

Wed 6/5

1 stop3h 59m

$215

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Wed 5/8

1 stop4h 12m

Knoxville McGhee Tyson

Wed 5/15

1 stop4h 10m

$220

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Fri 9/20

1 stop3h 30m

Knoxville McGhee Tyson

Thu 9/26

1 stop5h 25m

$226

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Mon 6/3

1 stop4h 28m

Knoxville McGhee Tyson

Fri 6/7

1 stop4h 11m

$228

PittsburghKnoxville McGhee Tyson

PIT - TYS

PITTYS

Pittsburgh

Sat 7/6

1 stop4h 05m

Knoxville McGhee Tyson

Wed 7/10

1 stop3h 45m

$308

Flights are sorted by cheapest first

Deals found on 4/23

When is the best time to book a flight from Pittsburgh to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Knoxville. Price data was last updated on January 28, 2024.
Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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When is the cheapest time to fly from Pittsburgh to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Knoxville. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Pittsburgh to Knoxville flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Knoxville by month

Plan your trip from Pittsburgh to Knoxville by taking into account the cheapest months to travel. The average price of a one-way flight from Pittsburgh to Knoxville is currently $244 while a round-trip flight costs $207. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $302). Flying from Pittsburgh to Knoxville in May is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$304

February

$302

March

$370

April

$376

May

$398

June

$383

July

$354

August

$330

September

$327

October

$338

November

$372

December

$304

Temperature and rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature and rainfall totals by month.

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated April 25, 2024.
See what other customers who have flown with American Airlines, United Airlines and Frontier from Pittsburgh to Knoxville have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,975 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,975 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,255 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,898 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Frontier
6.3
Okay
4,135 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Pittsburgh to Knoxville for under $200 on Cheapflights?

    Yes, there are multiple flights from Pittsburgh to Knoxville for under $200. The cheapest flight booked recently is on Frontier for just $131, but on average you can expect to pay $265.

  • Are there last-minute flights available from Pittsburgh to Knoxville for under $300?

    There are currently 3+ open flights from Pittsburgh to Knoxville within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Pittsburgh to Knoxville round-trip?

    Our cheapest airline available from Pittsburgh to Knoxville is Frontier. Our recent data shows that you can find tickets from as low as $131 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $205 and $228 round-trip. These flights start at 68% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Pittsburgh to Knoxville one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $208 while deals on Delta start at $209 one-way.

  • What are the most popular airlines that fly from Pittsburgh to Knoxville?

    The most popular airlines flying from Pittsburgh to Knoxville are American Airlines, Delta and Allegiant Air. Something to consider prior to booking your flight.

  • What does PIT to TYS mean?

    Pittsburgh Airport is PIT and Knoxville McGhee Tyson Airport is TYS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Pittsburgh to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Pittsburgh to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Pittsburgh to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Pittsburgh to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Pittsburgh to Knoxville that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Knoxville.

  • Can I find deals for business class flights from Pittsburgh to Knoxville?

    Yes. Cheapflights offers flight deals from Pittsburgh to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Pittsburgh to Knoxville that allow pets onboard?

    Many airlines flying from Pittsburgh to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Pittsburgh to Knoxville?

    Yes, you can often find last-minute deals on Pittsburgh to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Pittsburgh to Knoxville flight deals updated?

    The Pittsburgh to Knoxville flight deals you see on this page were last updated on 4/24.

See more FAQs

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Top 4 airlines flying from Pittsburgh to Knoxville

Discover the top 4 airlines that operate flights from Pittsburgh to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$185Average$292FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
American AirlinesCheapest$197Average$368FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$224Average$387FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$310Average$402FlexibilityNo cancel feeOn-time69%
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Search flights from Pittsburgh to Knoxville by cabin class

Find flights from Pittsburgh to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Pittsburgh to Knoxville?

When you search for this flight from Pittsburgh to Knoxville, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pittsburgh to Knoxville?

Millions of users choose and trust Cheapflights to book the best flight deals from Pittsburgh to Knoxville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pittsburgh to Knoxville with no change fees?

Certainly. Search results for flights to Knoxville from Pittsburgh shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pittsburgh to Knoxville become cheaper?

Not ready to book yet? You can track prices for flights from Pittsburgh to Knoxville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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