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$100+ Cheap flights from Pittsburgh to Knoxville (PIT - TYS)

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in September or July, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$181
(Mytrip)

One-way from

$100
(Delta)

Popular in

December

Cheapest in

September

Average price

$276
From Pittsburgh to Knoxville McGhee Tyson
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One-way flight from Pittsburgh to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Pittsburgh to Knoxville

Cheapest flights from Pittsburgh to Knoxville
Explore the most affordable flight options available from Pittsburgh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:30 amPIT - TYS
1 stop5h 20mMultiple Airlines
Mon 8/47:15 amTYS - PIT
1 stop16h 14mMultiple Airlines
Deal found 6/11$181
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/273:20 pmPIT - TYS
1 stop22h 03mAllegiant Air
Wed 7/309:48 pmTYS - PIT
1 stop14h 42mAllegiant Air
Deal found 6/10$198
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:39 amPIT - TYS
1 stop4h 57mAmerican Airlines
Tue 7/85:33 amTYS - PIT
1 stop4h 51mAmerican Airlines
Deal found 6/11$214
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:31 pmPIT - TYS
1 stop5h 28mDelta
Sun 7/137:50 amTYS - PIT
1 stop3h 23mDelta
Deal found 6/10$229
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/410:28 amPIT - TYS
1 stop4h 30mUnited Airlines
Sun 7/65:45 amTYS - PIT
1 stop3h 53mUnited Airlines
Deal found 6/12$251

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Pittsburgh to Knoxville that are best for you.

Fly from

Pittsburgh

Fly to

Knoxville

Route

Depart

Return

Price

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 8/1

6:30 am-11:50 am

1 stop5h 20m

Knoxville McGhee Tyson

Mon 8/4

7:15 am-11:29 pm

1 stop16h 14m

$181

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sun 7/27

3:20 pm-1:23 pm

1 stop22h 03m

Knoxville McGhee Tyson

Wed 7/30

9:48 pm-12:30 pm

1 stop14h 42m

$198

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 7/1

5:39 am-10:36 am

1 stop4h 57m

Knoxville McGhee Tyson

Tue 7/8

5:33 am-10:24 am

1 stop4h 51m

$214

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 7/10

6:31 pm-11:59 pm

1 stop5h 28m

Knoxville McGhee Tyson

Sun 7/13

7:50 am-11:13 am

1 stop3h 23m

$229

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 7/4

10:28 am-2:58 pm

1 stop4h 30m

Knoxville McGhee Tyson

Sun 7/6

5:45 am-9:38 am

1 stop3h 53m

$251

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 7/1

1:00 pm-8:35 pm

1 stop7h 35m

$100

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sun 7/13

9:26 pm-9:20 pm

1 stop23h 54m

$106

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 7/23

6:20 am-3:09 pm

2 stops32h 49m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Pittsburgh to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Knoxville

How far ahead should I 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 June 9, 2025.

Booking 39 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.

What is the cheapest month to book a flight from Pittsburgh to Knoxville?

Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $296). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from PIT to TYS?

Find hourly flight availability from Pittsburgh to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Knoxville at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

Rainfall in Knoxville by month

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

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

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

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air 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
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Our cheapest airline available from Pittsburgh to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $198 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $214 and $229 round-trip. These flights start at 29% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Pittsburgh to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $296). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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Top 3 airlines flying from Pittsburgh to Knoxville

Discover the top 3 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$293FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$287FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$278FlexibilityNo cancel feeOn-timeN/A

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