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

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more connections can often be more affordable, depending on the route and airline. Consider your priorities for cost versus travel time.

Can flexible travel dates help on Knoxville to London flights?

Yes, having flexible travel dates can significantly increase your chances of finding cheaper flights. Prices for flights can vary greatly depending on the day of the week or time of year. Flying during off-peak days or seasons often results in more economical fares.

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. Also, consider the cost of transportation to and from the airports at both ends of your journey. These additional expenses can impact the overall price of your trip.

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 2 days ago

444 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Knoxville to London

Explore current cheapest deals departing from Knoxville to London

2026-10-19 – 2026-11-01
TYS - London
86% AI deal score
$798
$627
Round trip
2026-10-19 – 2026-11-05
TYS - London
85% AI deal score
$792
$634
Round trip
2026-10-16 – 2026-11-01
TYS - London
81% AI deal score
$794
$645
Round trip
2026-10-16 – 2026-10-27
TYS - London
81% AI deal score
$800
$647
Round trip
2026-10-19 – 2026-11-08
TYS - London
80% AI deal score
$786
$648
Round trip
2026-10-16 – 2026-11-05
TYS - London
80% AI deal score
$786
$652
Round trip
2026-08-10 – 2026-09-04
TYS - London
87% AI deal score
$888
$655
Round trip
2026-08-24 – 2026-09-04
TYS - London
87% AI deal score
$884
$660
Round trip
2026-10-16 – 2026-11-08
TYS - London
79% AI deal score
$786
$666
Round trip
2026-11-09 – 2026-11-19
TYS - London
80% AI deal score
$805
$667
Round trip

Knoxville to London: Overview

Insights for flights from Knoxville to London

Only 1% of recent fares from Knoxville to London were classified as a good price. Right now, fares to London are above the typical level for this route, which typically ranges from $853–$1195, with a median of $1030. New deals appear almost daily, so setting up a price alert can help you track changes.

If you are looking for cheap flights from Knoxville to London, the cheapest months to fly are January, with a median fare of $490, followed by March at $602, and April at $730. These months offer significantly lower median prices compared to the overall typical range for this route.

A typical journey from Knoxville to London takes about 26h 38m, including connections. Most itineraries on this route connect at least once, with the median number of stopovers for connecting flights being 2. This indicates that direct flights from Knoxville to London are not common, and travelers should expect a multi-leg journey.

The distance between Knoxville and London is 6593 kilometers, making this a long-haul route. This distance typically involves a significant amount of travel time and often requires multiple connections, as reflected in the typical journey duration.

How much is a round trip from Knoxville to London

Regular price: $712 - $1,313

Prices are currently below the regular range.

The regular price range for flights from Knoxville to London is $712 to $1313. The current lowest deal is $552 with Allegiant Air for travel from Aug 7-Sep 4.

now $552

Low $712

High $1,313

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

Allegiant Air

United Airlines

Norse Atlantic UK

Air Canada

Last-minute flights going from Knoxville to London

Mon, Aug 3

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air, Norse Atlantic UK

$859

$567

One-way

Fri, Aug 7

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air, Breeze Airways, Norse Atlantic UK

$846

$617

One-way

Fri, Aug 7

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air, Breeze Airways, Norse Atlantic UK

$854

$622

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air, Norse Atlantic UK

$846

$585

One-way

Mon, Aug 10

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LGW)

Allegiant Air, Norse Atlantic UK

$841

$590

One-way

Sat, Aug 15

⌛ Last-Minute

TYS - London

Knoxville (TYS) - London (LTN)

Allegiant Air

$843

$942

One-way

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

24 nights

Aug 3 - Aug 27

$859 → $567

34%

12 nights

Aug 16 - Aug 28

$874 → $586

33%

17 nights

Aug 10 - Aug 27

$846 → $585

31%

7 nights

Aug 17 - Aug 24

$931 → $678

27%

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, with a median price of $1030.

📅 Best time to fly

January offers the lowest median prices

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

⏱️ Flight duration

Connecting flights average 26h 38m

Flights from Knoxville to London typically involve 2 stopovers, with a median duration of 26h 38m.

✈️ Airlines & availability

Allegiant Air offers frequent deals

Allegiant Air has 45 direct deals, making it a frequent option for this route.

🏆 Airline highlight

Allegiant Air: 45 direct deals

Allegiant Air offers 45 direct deals, providing options for travelers on this route.

🎯 Booking tip

Deals appear frequently on this route

Deals for flights from Knoxville to London appear frequently, offering good booking opportunities.

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 good option for flights from Knoxville to London, offering competitive prices.

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

💸 Flights from ~$582

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham (BHX) is a major international hub with excellent rail connectivity from London Euston and Marylebone stations.

📍 ~160 km from London (reachable by train, but travel time can exceed 90 minutes).

💸 Flights from ~$731

Business & First Class Flight Deals to London

82% AI deal score

$2,579

$2,232

Save $347

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you discover better deals. Looking into flights with layovers may sometimes present lower fares than direct routes.

Booking flights in advance, often several months before your intended departure, can sometimes result in lower prices. Prices may fluctuate, so monitoring fare trends can be beneficial. Avoiding peak travel seasons usually helps in securing more economical tickets.

Yes, comparing nearby airports for both your origin and destination can often lead to more flight options and potentially lower prices. Sometimes, flying into or out of a slightly more distant airport may offer significant savings. Always factor in the additional travel time and cost to reach these alternative airports.

Related routes

More routes from Knoxville

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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: $712 - $1,313

Prices are currently below the regular range.

The regular price range for flights from Knoxville to London is $712 to $1313. The current lowest deal is $552 with Allegiant Air for travel from Aug 7-Sep 4.

now $552

Low $712

High $1,313

The cheapest time to fly from Knoxville to London

January

Cheapest

Flights from $490

July

Most Expensive

Flights from $1,252

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec