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Flights from Knoxville to London Starting at £137

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Knoxville to London

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Knoxville to London

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £137
United Airlines
From £197
Delta Air Lines
From £220
American Airlines
From £250
Allegiant Air
From £263
British Airways
From £335
Virgin Atlantic
From £362
Finnair
From £364
Air France
From £380
KLM
From £396
ANA airlines

Find more flights and airlines

Alternative Routes from Knoxville to London

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Knoxville to London.

  • Cheapest
    Frontier Airlines
    TYS
    07:58
    21h 2m
    1 transfer
    LGW
    10:00
    Mcghee Tyson Airport - London Gatwick Airport
    Sun, Apr 28Frontier Airlines
    £137
  • Allegiant Air
    TYS
    09:05
    20h 35m
    2 transfer
    STN
    10:40
    Mcghee Tyson Airport - London Stansted Airport
    Fri, May 3Allegiant Air
    £324
  • American Airlines
    TYS
    14:44
    13h 21m
    1 transfer
    LHR
    09:05
    Mcghee Tyson Airport - London Heathrow Airport
    Wed, Apr 17American Airlines
    £327
  • American Airlines
    TYS
    14:44
    13h 21m
    1 transfer
    LHR
    09:05
    Mcghee Tyson Airport - London Heathrow Airport
    Wed, Apr 17American Airlines
    £327
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Knoxville (TYS) to London (LON) the cheapest?

    Airlines adjust prices for flights from Knoxville to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Knoxville (TYS) to London (LON) cost?

    According to Trip.com's data, the lowest price is around £903.
  • What is the transportation method from the main airport to downtown in London?

    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from London Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.
  • How many airports in London (LON)?

Flight Information from Knoxville to London

Cheapest direct flight price

£136

Cheapest month

March

Peak season for travel

June