Are direct flights from Knoxville to London always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with one or more connections can often be less expensive. Consider your priorities for cost versus travel time when making your decision.

Can flexible travel dates help on Knoxville to London flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying during off-peak seasons or on weekdays, rather than weekends, often results in lower fares. Even shifting your departure or return by a day or two may lead to savings.

What extra costs should I check before booking Knoxville to London flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From 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 7 days ago

482 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Knoxville to London

Explore current cheapest deals departing from Knoxville to London

2027-01-08 – 2027-01-10
TYS - London
78% AI deal score
$816
$724
Round trip
2026-11-12 – 2026-11-18
TYS - London
75% AI deal score
$775
$757
Round trip
2026-11-12 – 2026-11-15
TYS - London
77% AI deal score
$838
$760
Round trip
2026-11-12 – 2026-11-19
TYS - London
73% AI deal score
$776
$776
Round trip
2026-11-12 – 2026-11-18
TYS - London
74% AI deal score
$790
$778
Round trip
2026-11-12 – 2026-11-23
TYS - London
75% AI deal score
$751
$801
Round trip
2027-03-17 – 2027-04-15
TYS - London
73% AI deal score
$828
$814
Round trip
2026-11-12 – 2026-11-19
TYS - London
75% AI deal score
$779
$818
Round trip
2026-11-06 – 2026-11-20
TYS - London
72% AI deal score
$773
$857
Round trip
2026-11-14 – 2026-11-19
TYS - London
74% AI deal score
$804
$857
Round trip

Knoxville to London: Overview

Insights for flights from Knoxville to London

Right now, only 1% of recent fares from Knoxville to London are classified as a good price. Fares typically range from $916–$1137, with a median of $995. Current fares are above the typical level, indicating higher prices at present. New deals show up several times a week, so setting a price alert can be beneficial for finding cheap flights from Knoxville to London.

For travelers wondering when is the cheapest time to fly from Knoxville to London, August stands out as the most affordable month, with a median fare of $650. Following August, September offers a median fare of $908, and January presents a median of $942. These months generally provide more budget-friendly options compared to other times of the year.

A typical journey from Knoxville to London takes about 16h 24m, including connections. Most itineraries connect at least once, with the median number of stopovers being 2 when connecting. This reflects the nature of long-haul travel from Knoxville to London, where direct flights are not available.

The distance between Knoxville and London is approximately 6593 kilometers. This classifies the route as a long-haul journey. Given the distance, all flights on this route will involve significant travel time, typically including multiple connections.

How much is a round trip from Knoxville to London

Regular price: $691 - $1,261

Prices are currently within the regular range.

The regular price range for flights from Knoxville to London is $691-$1261. The current lowest deal is $724 with Allegiant Air for travel from Jan 8-Jan 10.

now $724

Low $691

High $1,261

The cheapest time to fly from Knoxville to London

The cheapest month to fly from TYS to LON is August, with a median price of $650. The most expensive month is July, with a median price of $1384. Prices are generally lower from January to October.

August

Cheapest

Flights from $650

July

Most Expensive

Flights from $1,384

Jan

May

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Knoxville to London

Allegiant Air

United Airlines

Norse Atlantic UK

Air Canada

Last-minute flights going from Knoxville to London

Wed, Nov 4

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air

$784

$854

One-way

Wed, Nov 4

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air

$915

$877

One-way

Fri, Nov 6

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air

$905

$940

One-way

Sun, Nov 8

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (STN)

Allegiant Air

$836

$925

One-way

Wed, Nov 11

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air, Air Canada

$762

$856

One-way

Wed, Nov 11

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air, Air Canada

$851

$857

One-way

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

3 nights

Nov 12 - Nov 15

$910 → $743

18%

4 nights

Nov 4 - Nov 8

$1,029 → $867

16%

3 nights

Nov 12 - Nov 15

$922 → $764

17%

3 nights

Nov 12 - Nov 15

$910 → $769

16%

Popular Airports to fly from Knoxville to London

Knoxville - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Knoxville to London are below the typical level of $995.

📅 Best time to fly

August is historically cheapest at $650

Historically, August is the cheapest month to fly from Knoxville to London, with a median price of $650.

⏱️ Flight duration

Connecting flights average 16h 24m

Flights from Knoxville to London typically involve connecting flights, with a median duration of 16h 24m.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from Knoxville to London; all routes require at least one stopover.

🏆 Airline highlight

Allegiant Air offers deals via Kiwi

Allegiant Air has a deal for $724 from Knoxville to London, available through Kiwi.

🎯 Booking tip

Deals appear regularly

Deals for flights from Knoxville to London appear regularly, offering opportunities for savings.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport (TYS) is a convenient departure point for flights from Knoxville to London.

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$806

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport is a good option for flights to London, offering a balance of price and convenience.

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

💸 Flights from ~$732

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub with diverse routes, offering a reliable alternative when London airports are busy.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$865

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

Dec 01

London, United Kingdom

78% AI deal score

$7,737

$7,348

Save $389

Aer Lingus

Business Class

From TYS

Elite

Mar 14

London, United Kingdom

77% AI deal score

$6,847

$6,111

Save $736

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,843

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,866

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,866

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$8,040

$7,833

Save $207

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across various airlines and booking sites can often reveal better deals. Setting up price alerts may also notify you when fares drop for your desired route.

Booking in advance, often several months before your intended departure, can sometimes result in lower fares. However, prices can fluctuate, so monitoring trends may help you decide the optimal booking time. Mid-week bookings are sometimes associated with better prices.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may involve additional ground travel, the savings on airfare could be significant. Always factor in the total cost and convenience when considering this approach.

Related routes

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Flights to London from other cities

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Knoxville to London: Overview

Insights for flights from Knoxville to London

How much is a round trip from Knoxville to London

Regular price: $691 - $1,261

Prices are currently within the regular range.

The regular price range for flights from Knoxville to London is $691-$1261. The current lowest deal is $724 with Allegiant Air for travel from Jan 8-Jan 10.

now $724

Low $691

High $1,261

The cheapest time to fly from Knoxville to London

The cheapest month to fly from TYS to LON is August, with a median price of $650. The most expensive month is July, with a median price of $1384. Prices are generally lower from January to October.

August

Cheapest

Flights from $650

July

Most Expensive

Flights from $1,384

Jan

May

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Knoxville to London

Allegiant Air

United Airlines

Norse Atlantic UK

Air Canada

Last-minute flights going from Knoxville to London

Wed, Nov 4

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air

$784

$854

One-way

Wed, Nov 4

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air

$915

$877

One-way

Fri, Nov 6

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air

$905

$940

One-way

Sun, Nov 8

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (STN)

Allegiant Air

$836

$925

One-way

Wed, Nov 11

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air, Air Canada

$762

$856

One-way

Wed, Nov 11

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LHR)

Allegiant Air, Air Canada

$851

$857

One-way

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

3 nights

Nov 12 - Nov 15

$910 → $743

18%

4 nights

Nov 4 - Nov 8

$1,029 → $867

16%

3 nights

Nov 12 - Nov 15

$922 → $764

17%

3 nights

Nov 12 - Nov 15

$910 → $769

16%

Popular Airports to fly from Knoxville to London

Knoxville - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Knoxville to London are below the typical level of $995.

📅 Best time to fly

August is historically cheapest at $650

Historically, August is the cheapest month to fly from Knoxville to London, with a median price of $650.

⏱️ Flight duration

Connecting flights average 16h 24m

Flights from Knoxville to London typically involve connecting flights, with a median duration of 16h 24m.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from Knoxville to London; all routes require at least one stopover.

🏆 Airline highlight

Allegiant Air offers deals via Kiwi

Allegiant Air has a deal for $724 from Knoxville to London, available through Kiwi.

🎯 Booking tip

Deals appear regularly

Deals for flights from Knoxville to London appear regularly, offering opportunities for savings.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport (TYS) is a convenient departure point for flights from Knoxville to London.

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$806

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport is a good option for flights to London, offering a balance of price and convenience.

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

💸 Flights from ~$732

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub with diverse routes, offering a reliable alternative when London airports are busy.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$865

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

Dec 01

London, United Kingdom

78% AI deal score

$7,737

$7,348

Save $389

Aer Lingus

Business Class

From TYS

Elite

Mar 14

London, United Kingdom

77% AI deal score

$6,847

$6,111

Save $736

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,843

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,866

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

77% AI deal score

$7,866

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$8,040

$7,833

Save $207

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

From TYS

Elite

Dec 30

London, United Kingdom

76% AI deal score

$7,853

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from Knoxville to London

Today’s best flight deals from Knoxville to London

Knoxville to London: Overview

Insights for flights from Knoxville to London

How much is a round trip from Knoxville to London

The cheapest time to fly from Knoxville to London

Direct flights from Knoxville to London

Last-minute flights going from Knoxville to London

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

Popular Airports to fly from Knoxville to London

Knoxville - London route insights

Recent fares are below the typical level

August is historically cheapest at $650

Connecting flights average 16h 24m

No direct flights available

Allegiant Air offers deals via Kiwi

Deals appear regularly

Knoxville main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 01

Mar 14

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Frequently Asked Questions About Flights to London

How can I find cheap flights from Knoxville to London?

When should I book flights from Knoxville to London?

Should I compare nearby airports for flights from Knoxville to London?

Are direct flights from Knoxville to London always the best option?

Can flexible travel dates help on Knoxville to London flights?

What extra costs should I check before booking Knoxville to London flights?

Related routes

More routes from Knoxville

Flights to London from other cities

Knoxville to London: Overview

Insights for flights from Knoxville to London

How much is a round trip from Knoxville to London

The cheapest time to fly from Knoxville to London

Direct flights from Knoxville to London

Last-minute flights going from Knoxville to London

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

Popular Airports to fly from Knoxville to London

Knoxville - London route insights

Recent fares are below the typical level

August is historically cheapest at $650

Connecting flights average 16h 24m

No direct flights available

Allegiant Air offers deals via Kiwi

Deals appear regularly

Knoxville main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 01

Mar 14

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Dec 30

Frequently Asked Questions About Flights to London

How can I find cheap flights from Knoxville to London?

When should I book flights from Knoxville to London?

Should I compare nearby airports for flights from Knoxville to London?