Cheap flights from London to Knoxville

Q: What are the cheapest airlines?

Finnair, British Airways, KLM, Lufthansa, Virgin Atlantic. These airlines usually offer the cheapest flights from London to Knoxville.

Q: What airlines fly indirectly?

Virgin Atlantic, KLM, Lufthansa, British Airways, Finnair. These airlines fly from London to Knoxville, but you’ll have at least one layover.

Q: How long is the flight?

12 hrs 25 mins. This is the shortest flight time from London to Knoxville.

from as little as £517

9 nights in Knoxville, departing London Heathrow on 10 / Feb / 2025 with British Airways (price found 47 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London to Knoxville

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The London / Knoxville route

All 6599 km of it

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Knoxville flight facts

What you need to know

What are the cheapest airlines?

Finnair
British Airways
KLM
Lufthansa
Virgin Atlantic

These airlines usually offer the cheapest flights from London to Knoxville.

What airlines fly indirectly?

Virgin Atlantic
KLM
Lufthansa
British Airways
Finnair

These airlines fly from London to Knoxville, but you’ll have at least one layover.

How long is the flight?

12 hrs 25 mins

This is the shortest flight time from London to Knoxville.

Alternative flights from the UK to Knoxville

Check out prices for other routes

Manchester to Knoxville

from £683 pp

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Edinburgh to Knoxville

from £729 pp

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Birmingham to Knoxville

from £721 pp

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London City Airport to Knoxville

from £1,959 pp

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London Gatwick to Knoxville

from £996 pp

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London Heathrow to Knoxville

from £517 pp

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Today alone, Netflights has searched over 870 flights. 10 / Feb / 2025 is currently the lowest priced day of the year to fly the London/Knoxville route. There are around 115 flights on any given week from the UK to Knoxville and the cheapest month to fly right now is February.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

-1 °C

AVG

15 °C

HIGHEST

31 °C

Rainfall (mm)

LOWEST

70 mm

AVG

100.2 mm

HIGHEST

127 mm

Key facts about Knoxville

Currency

United States dollar

Language

English

Timezone

5 hrs behind GMT

How to get cheap flights from London to Knoxville

Tips and advice from our flight experts

Find a good deal on your flight from London to Knoxville with Netflights. 115 flights go via this route every week, and we've collected them all to help you find the best flight deal. If you want to keep your options open, take a look at flights from another airport in London.

The most popular airlines for this route are KLM, Virgin Atlantic & Lufthansa, while London Heathrow (LHR) is the most popular departure airport in the city. But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Knoxville in advance to avoid disappointment. Lufthansa usually have the lowest prices, so keep an eye out for their flights. Flights from London to Knoxville generally take about 14 hrs 20 mins.

Today alone, we’ve scanned 870 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare car hire and hotel prices in the USA with Netflights? Take a look to get an idea of prices in Knoxville.