Cheap flights from Knoxville to London Heathrow

Q: What are the cheapest airlines?

Delta Air Lines, KLM, Virgin Atlantic. These airlines usually offer the cheapest flights from Knoxville to London Heathrow.

Q: What airlines fly indirectly?

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

Q: How long is the flight?

10 hrs 20 mins. This is the shortest flight time from Knoxville to London Heathrow.

from as little as £771

18 nights in London, departing Knoxville on 10 / Jan / 2025 with Virgin Atlantic (price found 9 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Knoxville to London Heathrow

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The Knoxville / London Heathrow route

All 6568 km of it

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London Heathrow flight facts

What you need to know

What are the cheapest airlines?

Delta Air Lines
KLM
Virgin Atlantic

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

What airlines fly indirectly?

British Airways
Delta Air Lines
KLM
Virgin Atlantic
Lufthansa

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

How long is the flight?

10 hrs 20 mins

This is the shortest flight time from Knoxville to London Heathrow.

Alternative flights from the UK to London Heathrow

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Knoxville to London City Airport

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Knoxville to London Gatwick

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10 / Jan / 2025 is currently the lowest priced day of the year to fly the Knoxville/London Heathrow route. There are around 24 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is January.

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

Min / Max Temperature (°C)

LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)

LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Knoxville to London Heathrow

Tips and advice from our flight experts

If you want a cheap flight from Knoxville to London, you've got five airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 10 / Jan / 2025.

London Heathrow is just one of the airports in London. If you're not set on a specific airport, try changing your search from London Heathrow to London to see a broader range of flights – they might be cheaper. It usually takes about 10 hrs 55 mins to fly 6568 km to London Heathrow.

There are about 24 flights to or via London every week, so you have plenty of options. Keep your eye out for flights with British Airways, Delta Air Lines and KLM – these are the most popular airlines for flying to .

If you're planning on going to London during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.