What are the cheapest airlines flying from Knoxville to London round-trip?

Delta, at $694, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include United Airlines and British Airways. These flights start at 26% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Knoxville to London one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $606. Users have also found prices from $613 and $838 on KLM and Aer Lingus, respectively.

What are the most popular routes from Knoxville to London?

When deciding which route to take from Knoxville to London consider Knoxville McGhee Tyson - London Heathrow, Knoxville McGhee Tyson - London City or Knoxville McGhee Tyson - London Gatwick as they are the most popular.

What are the most popular airlines that fly from Knoxville to London?

When booking a flight from Knoxville to London, you may want to consider flying on American Airlines, British Airways or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Knoxville to London?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 42% on the overall cost on flights from Knoxville to London.

How far in advance should I book a flight from Knoxville to London?

To save up to 69% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Knoxville to London from $771 1-2 weeks out and tickets from $1,270 for flights departing within the next 72 hours.

What is the cheapest month to fly from Knoxville to London?

Our data shows that September tends to be the cheapest month to fly to London from Knoxville. Users have commonly found prices around $941 for the month, but tickets can be as low as $657. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Knoxville-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Knoxville-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Knoxville-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Knoxville-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Knoxville to London?

Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to London. You should not have trouble finding flights to London from McGhee Tyson; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Knoxville airport to London. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

Can I find deals for flights from Knoxville to London that include hotel bookings?

Yes. In addition to deals on Knoxville to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Knoxville to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to London.

Can I find deals for business class flights from Knoxville to London?

Yes. Cheapflights offers flight deals from Knoxville to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$377+ Flights from Knoxville to London

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Find cheap flights from Knoxville to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to London are usually found in September or February, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Knoxville to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$619 (Mytrip)
One-way from	$377 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$844

Provider with most accurate pricing for Knoxville McGhee Tyson-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-London (LON) flights.

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From Knoxville McGhee Tyson to London (LON)

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One-way flight from Knoxville McGhee Tyson to London (LON)

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($196 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Knoxville to London

Cheapest flights from Knoxville to London
Explore the most affordable flight options available from Knoxville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Mon 5/127:15 amTYS - LGW

1 stop18h 05mMultiple Airlines

Sat 5/312:00 pmLGW - TYS

1 stop14h 15mMultiple Airlines

Deal found 4/14

$619

Wed 12/310:16 amTYS - LHR

2 stops15h 54mUnited Airlines

Wed 12/242:30 pmLHR - TYS

2 stops31h 19mUnited Airlines

Deal found 4/13

$694

Wed 12/311:45 amTYS - LHR

1 stop15h 50mBritish Airways

Wed 12/248:15 amLHR - TYS

2 stops17h 29mBritish Airways

Deal found 4/14

$696

Tue 5/62:33 pmTYS - LHR

2 stops15h 52mDelta

Thu 5/226:30 amLHR - TYS

2 stops16h 13mDelta

Deal found 4/14

$699

Fri 9/197:25 pmTYS - LHR

2 stops54h 05mMultiple Airlines

Tue 9/306:30 amLHR - TYS

2 stops21h 05mMultiple Airlines

Deal found 4/14

$701

Wed 5/72:04 pmTYS - LHR

2 stops13h 01mVirgin Atlantic

Fri 5/231:05 pmLHR - TYS

1 stop11h 49mVirgin Atlantic

Deal found 4/14

$719

Mon 5/1210:55 amTYS - LCY

2 stops19h 35mBritish Airways

Mon 5/197:00 pmLCY - TYS

2 stops27h 33mBritish Airways

Deal found 4/14

$755

Sat 8/164:00 pmTYS - LHR

2 stops24h 40mScandinavian Airlines

Sun 8/249:05 pmLHR - TYS

3 stops29h 40mScandinavian Airlines

Deal found 4/15

$789

Fri 9/195:45 amTYS - LCY

2 stops24h 55mMultiple Airlines

Tue 9/308:45 amLCY - TYS

2 stops17h 11mMultiple Airlines

Deal found 4/14

$789

Thu 10/28:45 pmTYS - LHR

1 stop11h 00mAmerican Airlines

Sun 10/121:30 pmLHR - TYS

1 stop12h 10mAmerican Airlines

Deal found 4/15

$810

Tue 12/237:10 pmTYS - LHR

1 stop30h 30mLufthansa

Thu 1/111:10 amLHR - TYS

2 stops17h 32mLufthansa

Deal found 4/14

$823

Thu 10/211:30 amTYS - LCY

2 stops14h 45mDelta

Fri 10/109:20 amLCY - TYS

2 stops17h 12mDelta

Deal found 4/13

$902

Best flights from Knoxville to London
Discover carefully curated flight deals from Knoxville to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Mon 5/127:15 amTYS - LGW

1 stop18h 05mMultiple Airlines

Sat 5/312:00 pmLGW - TYS

1 stop14h 15mMultiple Airlines

Deal found 4/14

$619

Tue 5/65:00 pmTYS - LHR

1 stop13h 10mDelta

Thu 5/226:30 amLHR - TYS

2 stops16h 13mDelta

Deal found 4/14

$694

Sun 5/410:50 amTYS - LHR

1 stop14h 30mUnited Airlines

Wed 5/219:30 amLHR - TYS

2 stops18h 15mUnited Airlines

Deal found 4/14

$707

Mon 5/1210:55 amTYS - LHR

1 stop18h 25mBritish Airways

Mon 5/198:15 pmLHR - TYS

2 stops26h 18mBritish Airways

Deal found 4/14

$709

Wed 5/72:04 pmTYS - LHR

2 stops13h 01mVirgin Atlantic

Fri 5/231:05 pmLHR - TYS

1 stop11h 49mVirgin Atlantic

Deal found 4/14

$719

Thu 5/812:08 pmTYS - LHR

1 stop13h 37mAir France

Fri 5/239:20 amLHR - TYS

1 stop15h 34mAir France

Deal found 4/14

$765

Sat 4/195:00 pmTYS - LHR

2 stops23h 40mScandinavian Airlines

Fri 4/256:40 amLHR - TYS

2 stops22h 08mScandinavian Airlines

Deal found 4/15

$922

Sun 4/202:20 pmTYS - LHR

1 stop11h 35mLufthansa

Sat 4/268:25 pmLHR - TYS

2 stops30h 57mLufthansa

Deal found 4/14

$987

Sun 5/412:14 pmTYS - LHR

1 stop15h 46mFinnair

Fri 5/234:25 pmLHR - TYS

1 stop32h 35mFinnair

Deal found 4/14

$1,089

Mon 7/75:45 amTYS - LHR

2 stops19h 45mAir Canada

Sun 7/205:40 pmLHR - TYS

2 stops26h 18mAir Canada

Deal found 4/15

$1,102

Sun 5/187:50 amTYS - LGW

3 stops20h 35mWestJet

Tue 5/2010:45 amLGW - TYS

3 stops28h 38mWestJet

Deal found 4/13

$1,452

Mon 5/1210:55 amTYS - LCY

2 stops19h 35mBritish Airways

Mon 5/197:00 pmLCY - TYS

2 stops27h 33mBritish Airways

Deal found 4/14

$755

Last-minute flights from Knoxville to London
Discover last-minute flight deals from Knoxville to London. Data last updated April 15, 2025 and is based on user searches.

Sat 4/195:00 pmTYS - LHR

2 stops23h 40mScandinavian Airlines

Fri 4/256:40 amLHR - TYS

2 stops22h 08mScandinavian Airlines

Deal found 4/15

$922

Sun 4/202:20 pmTYS - LHR

1 stop11h 35mLufthansa

Sat 4/268:25 pmLHR - TYS

2 stops30h 57mLufthansa

Deal found 4/14

$987

Sun 4/209:55 amTYS - LHR

2 stops19h 05mMultiple Airlines

Sat 4/266:30 pmLHR - TYS

2 stops30h 06mMultiple Airlines

Deal found 4/14

$1,059

Sun 4/206:30 amTYS - LHR

2 stops20h 30mAer Lingus

Fri 4/257:40 amLHR - TYS

2 stops16h 58mAer Lingus

Deal found 4/14

$1,698

Sun 4/201:57 pmTYS - LCY

2 stops14h 08mMultiple Airlines

Sat 4/2612:00 pmLCY - TYS

2 stops16h 30mMultiple Airlines

Deal found 4/14

$1,722

Sun 4/203:09 pmTYS - LGW

2 stops23h 51mBritish Airways

Sat 4/268:40 pmLGW - TYS

2 stops27h 58mBritish Airways

Deal found 4/14

$1,983

Sun 4/205:00 pmTYS - LHR

2 stops20h 30mScandinavian Airlines

Fri 4/257:05 amLHR - TYS

3 stops21h 43mScandinavian Airlines

Deal found 4/14

$2,128

Sun 4/2011:43 amTYS - LHR

1 stop14h 07mBritish Airways

Fri 4/253:30 pmLHR - TYS

1 stop13h 00mBritish Airways

Deal found 4/14

$2,225

Sun 4/202:33 pmTYS - LCY

2 stops13h 57mDelta

Fri 4/258:40 amLCY - TYS

2 stops17h 50mDelta

Deal found 4/14

$2,467

Sun 4/201:57 pmTYS - LHR

1 stop16h 48mUnited Airlines

Thu 4/246:50 amLHR - TYS

2 stops14h 54mUnited Airlines

Deal found 4/14

$3,069

Sun 4/2010:30 amTYS - LHR

2 stops14h 55mDelta

Thu 4/2410:55 amLHR - TYS

2 stops17h 53mDelta

Deal found 4/14

$6,996

Sun 5/410:50 amTYS - LHR

1 stop14h 30mUnited Airlines

Wed 5/219:30 amLHR - TYS

2 stops18h 15mUnited Airlines

Deal found 4/14

$707

One-way flights from Knoxville to London
Search for one-way flight options from Knoxville to London. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Tue 5/277:00 amTYS - LGW

3 stops43h 45mMultiple Airlines

Deal found 4/14

$377

Tue 5/277:00 amTYS - LHR

3 stops33h 40mMultiple Airlines

Deal found 4/14

$401

Tue 5/277:00 amTYS - LCY

3 stops29h 30mMultiple Airlines

Deal found 4/14

$425

Tue 5/277:00 amTYS - SEN

3 stops52h 40mMultiple Airlines

Deal found 4/14

$509

Fri 4/187:35 pmTYS - LHR

2 stops32h 00mAir Canada

Deal found 4/14

$606

Fri 4/185:00 pmTYS - LHR

1 stop13h 10mKLM

Deal found 4/14

$613

Tue 5/2711:43 amTYS - LCY

2 stops17h 37mAer Lingus

Deal found 4/14

$838

Sun 4/2011:55 amTYS - LHR

1 stop14h 20mDelta

Deal found 4/14

$1,269

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Mon 5/12

7:15 am-6:20 am

1 stop18h 05m

London Gatwick

Sat 5/31

2:00 pm-11:15 pm

1 stop14h 15m

$619

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 5/6

5:00 pm-11:10 am

1 stop13h 10m

London Heathrow

Thu 5/22

6:30 am-5:43 pm

2 stops16h 13m

$694

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 5/4

10:50 am-6:20 am

1 stop14h 30m

London Heathrow

Wed 5/21

9:30 am-10:45 pm

2 stops18h 15m

$707

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 5/12

10:55 am-10:20 am

1 stop18h 25m

London Heathrow

Mon 5/19

8:15 pm-5:33 pm

2 stops26h 18m

$709

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 5/7

2:04 pm-8:05 am

2 stops13h 01m

London Heathrow

Fri 5/23

1:05 pm-7:54 pm

1 stop11h 49m

$719

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Mon 5/12

10:55 am-11:30 am

2 stops19h 35m

London City

Mon 5/19

7:00 pm-5:33 pm

2 stops27h 33m

$755

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 5/8

12:08 pm-6:45 am

1 stop13h 37m

London Heathrow

Fri 5/23

9:20 am-7:54 pm

1 stop15h 34m

$765

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Fri 9/19

5:45 am-11:40 am

2 stops24h 55m

London City

Tue 9/30

8:45 am-8:56 pm

2 stops17h 11m

$789

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 5/8

7:10 pm-11:10 am

1 stop11h 00m

London Heathrow

Sat 5/24

12:25 pm-11:04 pm

1 stop15h 39m

$825

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 5/13

9:55 am-6:30 am

3 stops15h 35m

London Heathrow

Mon 5/26

9:30 am-10:40 pm

2 stops18h 10m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 27 results

Compare providers for flights from Knoxville to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to London in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Knoxville-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Knoxville-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Knoxville-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Knoxville-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to London

Have a flexible travel schedule? Discover the best time to fly to London from Knoxville with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to London

How far ahead should I book a flight from Knoxville to London?

To ensure you get the cheapest price possible for a flight from Knoxville to London, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Knoxville to London?

Currently, November is the cheapest month in which you can book a flight from Knoxville to London (average of $661). Flying from Knoxville to London in June is currently the most expensive (average of $1,110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to LON?

A simple way to save on the total cost of your ticket is to fly from Knoxville to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Knoxville to London?

Travelers seeking maximum savings on their Knoxville to London flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, KLM and Finnair from Knoxville to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,918 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,658 reviews

Delta

8.0

Very good

7,918 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Knoxville to London?
Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to London. You should not have trouble finding flights to London from McGhee Tyson; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Knoxville airport to London. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.
What are the cheapest airlines flying from Knoxville to London round-trip?
Delta, at $694, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include United Airlines and British Airways. These flights start at 26% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Knoxville to London one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $606. Users have also found prices from $613 and $838 on KLM and Aer Lingus, respectively.
What are the most popular routes from Knoxville to London?
When deciding which route to take from Knoxville to London consider Knoxville McGhee Tyson - London Heathrow, Knoxville McGhee Tyson - London City or Knoxville McGhee Tyson - London Gatwick as they are the most popular.
Can I find deals for flights from Knoxville to London that include hotel bookings?
Yes. In addition to deals on Knoxville to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Knoxville to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to London.
Can I find deals for business class flights from Knoxville to London?
Yes. Cheapflights offers flight deals from Knoxville to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Knoxville to London?
Currently, November is the cheapest month in which you can book a flight from Knoxville to London (average of $661). Flying from Knoxville to London in June is currently the most expensive (average of $1,110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hayes

Hounslow

Thornton Heath

Luton

Horley

Wembley

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Milton Keynes

Chelmsford

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Knoxville to London

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$580	Average$776	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$661	Average$877	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$676	Average$964	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$688	Average$1,243	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$768	Average$1,110	FlexibilityNo cancel fee	On-time72%

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$377+ Cheap flights from Knoxville (TYS) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to London with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to London are usually found in September or February, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Knoxville to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to London

Cheapest flights from Knoxville to LondonExplore the most affordable flight options available from Knoxville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Knoxville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to London that are best for you.

Compare providers for flights from Knoxville to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to London in April.

Best time to book a flight from Knoxville to London

Have a flexible travel schedule? Discover the best time to fly to London from Knoxville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to London

How far ahead should I book a flight from Knoxville to London?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to London. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Knoxville to London?

What is the cheapest time of day to fly from TYS to LON?

Find hourly flight availability from Knoxville to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

What is the cheapest day to fly from Knoxville to London?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to London. Price data was last updated on April 14, 2024.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, KLM and Finnair from Knoxville to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Knoxville to London?

What are the cheapest airlines flying from Knoxville to London round-trip?

What are the cheapest airlines to fly from Knoxville to London one-way?

What are the most popular routes from Knoxville to London?

Can I find deals for flights from Knoxville to London that include hotel bookings?

How can I find direct flights from Knoxville to London?

Can I find deals for business class flights from Knoxville to London?

What is the cheapest month to book a flight from Knoxville to London?

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Alternative routes for Knoxville to London

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Top 5 airlines flying from Knoxville to London

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Cheapest flights from Knoxville to London
Explore the most affordable flight options available from Knoxville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.