£139+ Cheap flights from Knoxville

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. 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.
TYS — LHR
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Knoxville

Discover essential information about flights departing from Knoxville, including flight schedules, destinations, airlines operating at the Knoxville airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 20 February 2026.

Good round-trip deal

£1,171 or less

Good one-way deal

£86 or less
Price to beat on a round-trip flight from Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Knoxville McGhee Tyson.
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Find flights from Knoxville

Enter your travel dates to find the best prices.

Cheapest flights from Knoxville
Explore the most affordable flight options available from Knoxville. Find the lowest fares based on data from user searches, with prices last updated on 20 February 2026.

Wed 18/317:24
TYS
-
CDG
2 stops15h 26m
Virgin Atlantic
Wed 25/313:15
CDG
-
TYS
2 stops15h 42m
Virgin Atlantic
Deal found 18/2£423
Wed 18/311:18
TYS
-
CDG
1 stop15h 52m
Multiple Airlines
Wed 25/310:30
CDG
-
TYS
1 stop15h 36m
Multiple Airlines
Deal found 18/2£427
Mon 23/318:38
TYS
-
CDG
2 stops14h 12m
Delta
Thu 2/414:30
CDG
-
TYS
2 stops15h 27m
Delta
Deal found 19/2£444
Mon 23/309:40
TYS
-
CDG
1 stop16h 15m
United Airlines
Thu 2/408:30
CDG
-
TYS
2 stops17h 12m
United Airlines
Deal found 18/2£445
Mon 20/417:48
TYS
-
CDG
1 stop33h 32m
United Airlines
Sun 26/414:10
CDG
-
TYS
2 stops38h 19m
United Airlines
Deal found 18/2£450
Thu 23/407:00
TYS
-
CDG
2 stops18h 05m
United Airlines
Tue 28/409:30
CDG
-
TYS
2 stops43h 33m
United Airlines
Deal found 18/2£452
Wed 29/407:00
TYS
-
CDG
2 stops18h 05m
United Airlines
Sat 9/509:40
CDG
-
TYS
2 stops15h 55m
United Airlines
Deal found 19/2£455
Tue 31/316:02
TYS
-
EDI
2 stops14h 58m
American Airlines
Tue 14/411:25
EDI
-
TYS
1 stop15h 32m
American Airlines
Deal found 19/2£466
Tue 31/306:10
TYS
-
EDI
1 stop20h 20m
British Airways
Tue 14/411:25
EDI
-
TYS
1 stop15h 32m
British Airways
Deal found 19/2£471
Wed 22/417:57
TYS
-
GLA
2 stops16h 38m
American Airlines
Wed 6/506:25
GLA
-
TYS
2 stops15h 15m
American Airlines
Deal found 16/2£476
Tue 21/411:31
TYS
-
LHR
1 stop17h 59m
Iberia
Wed 29/407:50
LHR
-
TYS
2 stops18h 31m
Iberia
Deal found 18/2£478
Wed 15/411:31
TYS
-
LHR
1 stop15h 09m
British Airways
Mon 20/419:25
LHR
-
TYS
2 stops29h 53m
British Airways
Deal found 18/2£480

Find flights from Knoxville within your budget

 
Find flights departing from Knoxville that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Wed 18/3

17:24-13:50

2 stops15h 26m

Paris Charles de Gaulle

Wed 25/3

10:30-21:06

1 stop15h 36m

£424

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Mon 23/3

18:38-13:50

2 stops14h 12m

Paris Charles de Gaulle

Thu 2/4

14:30-23:57

2 stops15h 27m

£444

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Mon 23/3

09:40-06:55

1 stop16h 15m

Paris Charles de Gaulle

Thu 2/4

08:30-19:42

2 stops17h 12m

£445

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Wed 29/4

07:00-09:20

1 stop20h 20m

Paris Charles de Gaulle

Sat 9/5

14:10-20:45

2 stops36h 35m

£450

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Mon 20/4

07:00-07:05

2 stops18h 05m

Paris Charles de Gaulle

Sun 26/4

09:15-22:29

2 stops43h 14m

£452

KnoxvilleParis

TYS - CDG

TYSCDG

Knoxville McGhee Tyson

Thu 23/4

07:00-07:05

2 stops18h 05m

Paris Charles de Gaulle

Tue 28/4

09:30-23:03

2 stops43h 33m

£452

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Tue 31/3

16:02-12:00

2 stops14h 58m

Edinburgh Turnhouse

Tue 14/4

11:25-21:57

1 stop15h 32m

£466

KnoxvilleEdinburgh

TYS - EDI

TYSEDI

Knoxville McGhee Tyson

Tue 31/3

06:10-07:30

1 stop20h 20m

Edinburgh Turnhouse

Tue 14/4

11:25-21:57

1 stop15h 32m

£471

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sat 18/4

19:20-06:55

1 stop30h 35m

London Heathrow

Tue 5/5

06:50-17:11

2 stops15h 21m

£481

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 22/4

19:20-10:40

1 stop10h 20m

London Heathrow

Wed 6/5

06:50-20:12

2 stops18h 22m

£481

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 60 results
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Best time to book a flight from Knoxville

Have a flexible travel schedule? Discover the best time to fly from Knoxville with our price prediction graph.
Estimated return 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.

Travel insights for flights from Knoxville

Get recent, data-driven insights about flights from Knoxville including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Knoxville to Heathrow. Price data was last updated on 18 February 2026.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from 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 Knoxville?

Currently, July is the cheapest month in which you can book a flight from Knoxville (average of £398). Flying from Knoxville in June will prove the most costly (average of £665). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Knoxville?

If you’re flying from Knoxville, these routes are more frequently taken by airlines Chicago (334 flights per day), Atlanta (239 flights per day) and Washington, D.C. (199 flights per day).

Washington, D.C.
Washington, D.C.
From £86
Charlotte Douglas
Charlotte Douglas
From £1,171

What is the cheapest place to fly to from Knoxville?

The cheapest city to fly to from Knoxville is Washington, D.C., with prices starting at £86. Explore other affordable destinations below.

Washington, D.C.
Washington, D.C.
From £86
Charlotte Douglas
Charlotte Douglas
From £1,171

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Related info for your journey

Access useful and relevant information related to your journey from Knoxville. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 February 2026.

  • What are the most popular destinations to fly to from Knoxville?

    This month, the top selected destinations from Knoxville are Fort Lauderdale, Las Vegas, Denver. Throughout the year, Denver, Las Vegas, Fort Lauderdale are some of the top choices made by users flying from Knoxville.

  • What is the cheapest flight from Knoxville to anywhere?

    Users have flown out of Knoxville for as low as £86 to Washington, D.C. Reagan-National Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £590 to fly from Knoxville.

  • What is the cheapest premium economy flight from Knoxville?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Knoxville.
    Knoxville McGhee Tyson to Charlotte from £1,255
    Knoxville McGhee Tyson to Atlanta from £1,573
    Knoxville McGhee Tyson to Washington, D.C. Dulles Intl Airport from £1,669
    Knoxville McGhee Tyson to Chicago O'Hare Intl Airport from £1,880

  • What is the cheapest month to fly from Knoxville?

    At the present moment the cheapest month to fly from Knoxville is currently July; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Knoxville?

    Cheapflights helps you search for flights from Knoxville via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Knoxville.

  • Can Cheapflights find flights from Knoxville with no change fees?

    Certainly. Search results for flights from Knoxville 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 Knoxville become cheaper?

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

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How does Cheapflights help users find flights from Knoxville?

Cheapflights helps you search for flights from Knoxville via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Knoxville.

Can Cheapflights find flights from Knoxville with no change fees?

Certainly. Search results for flights from Knoxville 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 Knoxville become cheaper?

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

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