FlightsFrom Knoxville

To London

Cheap Flights from Knoxville to London

Browse current best options from Knoxville. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Knoxville

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Knoxville to London

Explore current cheapest deals departing from Knoxville to London

August 2 - August 31

Cheapest
Best

TYS - London

$835

$587

Round trip

August 17 - August 31

TYS - London

$874

$640

Round trip

August 6 - August 21

TYS - London

$838

$696

Round trip

August 3 - August 19

TYS - London

$844

$702

Round trip

August 7 - August 21

TYS - London

$847

$728

Round trip

September 18 - September 25

TYS - London

$893

$740

Round trip

September 8 - September 18

TYS - London

$859

$740

Round trip

October 18 - October 22

TYS - London

$918

$745

Round trip

July 24 - July 31

Earliest

TYS - London

$925

$746

Round trip

September 12 - September 26

TYS - London

$855

$759

Round trip

Unlock all 500+ flight deals to London and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Knoxville to London

Only 2% of recent fares for flights from Knoxville to London were classified as a good price. Right now, fares to London are above the typical level. Prices for this route typically range from $689–$1123, with a median of $919. New deals appear almost daily, suggesting frequent opportunities to find competitive pricing.
For travelers seeking cheap flights from Knoxville to London, the cheapest time to fly is often January, with a median fare of $490. Other cost-effective months include March, where the median fare is $602, and April, with a median of $730.
A typical journey from Knoxville to London takes approximately 26h 38m, including connections. This is a long-haul route, covering a distance of 6593 kilometers.
Most itineraries for this route connect at least once, with 0% of recent fares being non-stop. When connecting, the median number of stopovers is 3, indicating that direct flights from Knoxville to London are not available, and travelers should expect multiple stops on their journey.

How much is a round trip from Knoxville to London

Regular price: $708 - $1,246

Prices are currently below the regular range for flights from Knoxville to London.

The regular price range for this route is $708 to $1246. The current lowest deal is $587 with Allegiant Air, for travel from Aug 2-Aug 31.

now $587

Low $708

High $1,246

The cheapest time to fly from Knoxville to London

The cheapest month to fly from TYS to LON is January, with a median price of $490. The most expensive month is July, with a median price of $1252. Prices are generally lower from January to September.

January

Cheapest

Flights from $490

July

Most Expensive

Flights from $1,252

Jan
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Knoxville to London

Airline logo

Allegiant Air

Airline logo

United Airlines

Airline logo

British Airways

Airline logo

Norse Atlantic UK

Last-minute flights going from Knoxville to London

Fri, Jun 19

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$1,056

$1,004

One-way

Fri, Jul 3

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$1,037

$996

One-way

Mon, Jul 6

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$915

$768

One-way

Tue, Jul 7

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$956

$827

One-way

Thu, Jul 9

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$1,009

$969

One-way

Thu, Jul 16

⌛ Last-Minute

TYS - London

Allegiant Air

Knoxville (TYS) - London (LGW)

Allegiant Air

$941

$788

One-way

Biggest price drops on these dates for flights from Knoxville to London

29 nights

Aug 2 - Aug 31

$835  →  $587

30%

14 nights

Aug 17 - Aug 31

$874  →  $640

27%

7 nights

Jul 24 - Jul 31

$925  →  $746

19%

4 nights

Oct 18 - Oct 22

$918  →  $745

19%

Popular Airports to fly from Knoxville to London

Knoxville - London route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Knoxville to London are above the typical level at $587.

📅 Best time to fly

January is historically cheapest at $490

Historically, January is the cheapest month to fly from Knoxville to London, with a median price of $490.

⏱️ Flight duration

Connecting flights average 26h 38m

The typical flight duration from Knoxville to London is 26h 38m, with 3 stopovers.

✈️ Airlines & availability

Connecting flights only

There are no direct flights. Consider connecting flights from Allegiant Air, United Airlines, British Airways, and Norse Atlantic UK.

🏆 Airline highlight

Allegiant Air has 43 deals

Allegiant Air offers 43 deals on connecting flights, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently

New deals for flights from Knoxville to London appear frequently, averaging 1 deal per day.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport (TYS) is a good option for flights from Knoxville to London.

📍 ~20 km from Knoxville (reachable by car)

💸 Flights from ~$587

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport is a convenient arrival option for flights from Knoxville to London, with prices from $582.

📍 ~40 km from London city center (reachable by car)

💸 Flights from ~$582

Heathrow (LHR)

Heathrow Airport is a major hub for flights from Knoxville to London, with prices from $866.

📍 ~25 km from London city center (reachable by car)

💸 Flights from ~$866

London City (LCY)

London City Airport offers a close-to-city arrival for flights from Knoxville to London, with prices from $934.

📍 ~10 km from London city center (reachable by car)

💸 Flights from ~$934

London Southend (SEN)

London Southend Airport is an alternative arrival option for flights from Knoxville to London, with prices from $787.

📍 ~60 km from London city center (reachable by car)

💸 Flights from ~$787

London Stansted (STN)

London Stansted Airport is a good choice for flights from Knoxville to London, with prices from $798.

📍 ~50 km from London city center (reachable by car)

💸 Flights from ~$798

Luton (LTN)

Luton Airport is another option for flights from Knoxville to London, with prices from $816.

📍 ~45 km from London city center (reachable by car)

💸 Flights from ~$816

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with a wide variety of long-haul and short-haul destinations.

📍 ~160 km from London (reachable by rail)

💸 Flights from ~$731

Southampton (SOU)

Southampton Airport is the closest alternative airport to the London area with a direct rail link.

📍 ~110 km from London (reachable by rail)

💸 Flights from ~$757

Bristol (BRS)

Bristol Airport offers a large selection of low-cost carrier routes across Europe.

📍 ~170 km from London (reachable by coach or rail)

💸 Flights from ~$968

East Midlands (EMA)

East Midlands Airport has a strong presence of budget airlines offering competitive pricing.

📍 ~170 km from London (reachable by car)

💸 Flights from ~$1071

Bournemouth (BOH)

Bournemouth Airport is an alternative option for travelers in South West London or the Home Counties.

📍 ~150 km from London (reachable by car)

💸 Flights from ~$1017

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Knoxville to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From TYS

Elite

Jul 15

London, United Kingdom

92% AI deal score

$7,739

$4,731

Save $3,008

From TYS

Elite

Aug 11

London, United Kingdom

91% AI deal score

$7,591

$4,758

Save $2,833

From TYS

Elite

Aug 12

London, United Kingdom

91% AI deal score

$7,628

$4,777

Save $2,851

From TYS

Elite

Aug 12

London, United Kingdom

91% AI deal score

$7,619

$4,777

Save $2,842

From TYS

Elite

Jul 29

London, United Kingdom

91% AI deal score

$7,666

$4,991

Save $2,675

From TYS

Elite

Aug 07

London, United Kingdom

90% AI deal score

$7,544

$4,991

Save $2,553

From TYS

Elite

Aug 01

London, United Kingdom

90% AI deal score

$7,654

$5,186

Save $2,468

From TYS

Elite

Dec 16

London, United Kingdom

89% AI deal score

$7,770

$4,821

Save $2,949

From TYS

Elite

Jul 30

London, United Kingdom

89% AI deal score

$7,659

$5,212

Save $2,447

From TYS

Elite

Nov 30

London, United Kingdom

84% AI deal score

$2,561

$2,172

Save $389

From TYS

Elite

Oct 15

London, United Kingdom

83% AI deal score

$8,004

$6,024

Save $1,980

From TYS

Elite

Aug 11

London, United Kingdom

82% AI deal score

$2,579

$2,232

Save $347

From TYS

Elite

Aug 12

London, United Kingdom

82% AI deal score

$2,579

$2,232

Save $347

From TYS

Elite

Oct 15

London, United Kingdom

82% AI deal score

$2,596

$2,272

Save $324

From TYS

Elite

Dec 01

London, United Kingdom

82% AI deal score

$2,567

$2,272

Save $295

From TYS

Elite

Jul 24

London, United Kingdom

82% AI deal score

$2,920

$2,547

Save $373

From TYS

Elite

Aug 12

London, United Kingdom

81% AI deal score

$2,553

$2,232

Save $321

From TYS

Elite

Aug 17

London, United Kingdom

80% AI deal score

$2,582

$2,332

Save $250

From TYS

Elite

Aug 07

London, United Kingdom

80% AI deal score

$2,546

$2,332

Save $214

From TYS

Elite

Aug 07

London, United Kingdom

78% AI deal score

$7,544

$7,040

Save $504

From TYS

Elite

Oct 06

London, United Kingdom

77% AI deal score

$2,572

From TYS

Elite

Jul 11

London, United Kingdom

77% AI deal score

$2,986

From TYS

Elite

Aug 01

London, United Kingdom

76% AI deal score

$2,632

From TYS

Elite

Aug 22

London, United Kingdom

76% AI deal score

$2,705

$2,677

Save $28

From TYS

Elite

Jul 15

London, United Kingdom

75% AI deal score

$3,281

From TYS

Elite

Oct 22

London, United Kingdom

75% AI deal score

$3,318

From TYS

Elite

Jul 17

London, United Kingdom

75% AI deal score

$3,482

From TYS

Elite

Jul 02

London, United Kingdom

70% AI deal score

$10,367

From TYS

Elite

Jul 21

London, United Kingdom

70% AI deal score

$5,797

From TYS

Elite

Jul 26

London, United Kingdom

70% AI deal score

$5,798

From TYS

Elite

Jul 28

London, United Kingdom

70% AI deal score

$5,798

From TYS

Elite

Jul 26

London, United Kingdom

69% AI deal score

$5,865

Frequently Asked Questions About Flights to London

Finding affordable flights often involves comparing prices across various platforms. Being flexible with your travel dates and considering different airlines can also help uncover better deals. Look for flights during off-peak seasons when demand may be lower.

Booking in advance is often recommended, as prices may increase closer to the departure date. However, sometimes last-minute deals can appear, so it can be beneficial to monitor prices over time. There isn't a single perfect time, but planning ahead usually offers more options.

Comparing nearby airports at both your origin and destination can sometimes lead to more affordable flight options. While it may add to your travel time, the savings on airfare can be significant. Always factor in the cost and convenience of ground transportation.