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

Delta, at $708, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include British Airways and American Airlines. These flights start at 24% lower than the current average price 3 months from now.

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 $942 for the month, but tickets can be as low as $660. 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.

$281+ Flights from Knoxville to London - Compare & Save Big

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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.

3. Compare prices and book

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	$706 (Air Canada)
One-way from	$281 (Booking.com)
Popular in	June
Cheapest in	September
Average price	$909

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 ($193 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 May 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 May 1, 2025.

Mon 11/36:10 pmTYS - LHR

2 stops22h 30mScandinavian Airlines

Mon 11/106:40 amLHR - TYS

2 stops22h 06mScandinavian Airlines

Deal found 4/28

$705

Fri 5/94:22 pmTYS - LHR

2 stops14h 03mDelta

Thu 5/229:20 amLHR - TYS

1 stop13h 23mDelta

Deal found 4/29

$707

Wed 8/135:45 amTYS - LHR

2 stops19h 45mMultiple Airlines

Fri 8/229:00 amLHR - TYS

2 stops19h 57mMultiple Airlines

Deal found 4/28

$709

Wed 8/132:30 pmTYS - LHR

1 stop11h 25mUnited Airlines

Fri 8/224:00 pmLHR - TYS

2 stops26h 25mUnited Airlines

Deal found 4/28

$716

Sat 8/1610:35 amTYS - LGW

2 stops16h 35mAmerican Airlines

Sat 8/233:05 pmLGW - TYS

2 stops24h 00mAmerican Airlines

Deal found 4/30

$716

Sun 7/275:57 pmTYS - LHR

1 stop13h 33mAmerican Airlines

Wed 8/131:10 pmLHR - TYS

1 stop13h 03mAmerican Airlines

Deal found 4/30

$717

Thu 9/46:39 pmTYS - LHR

1 stop10h 51mBritish Airways

Mon 12/227:10 pmLHR - TYS

2 stops51h 31mBritish Airways

Deal found 4/30

$718

Wed 8/1312:00 pmTYS - LHR

1 stop13h 45mKLM

Fri 8/223:15 pmLHR - TYS

1 stop13h 32mKLM

Deal found 4/28

$733

Sun 9/76:39 pmTYS - LCY

2 stops40h 51mBritish Airways

Tue 9/167:00 pmLCY - TYS

2 stops27h 27mBritish Airways

Deal found 4/30

$742

Tue 10/282:55 pmTYS - LCY

2 stops17h 55mMultiple Airlines

Tue 11/48:10 amLCY - TYS

3 stops19h 13mMultiple Airlines

Deal found 4/30

$763

Tue 7/225:45 amTYS - LHR

2 stops19h 45mAir Canada

Wed 8/139:30 amLHR - TYS

2 stops34h 28mAir Canada

Deal found 4/28

$784

Wed 6/116:40 amTYS - LGW

2 stops24h 05mMultiple Airlines

Wed 6/183:40 pmLGW - TYS

2 stops28h 31mMultiple Airlines

Deal found 4/30

$800

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 May 1, 2025.

Tue 10/219:55 amTYS - LHR

3 stops15h 35mMultiple Airlines

Tue 10/283:00 pmLHR - TYS

2 stops22h 45mMultiple Airlines

Deal found 4/30

$706

Fri 10/312:00 pmTYS - LHR

2 stops15h 50mDelta

Wed 10/1512:45 pmLHR - TYS

1 stop15h 14mDelta

Deal found 4/30

$708

Tue 9/161:54 pmTYS - LHR

2 stops19h 41mBritish Airways

Mon 9/297:25 pmLHR - TYS

2 stops30h 24mBritish Airways

Deal found 4/30

$715

Sat 8/1610:35 amTYS - LGW

2 stops16h 35mAmerican Airlines

Sat 8/233:05 pmLGW - TYS

2 stops24h 00mAmerican Airlines

Deal found 4/30

$716

Sat 8/166:10 pmTYS - LHR

1 stop12h 00mKLM

Sat 8/239:20 amLHR - TYS

1 stop13h 57mKLM

Deal found 4/30

$753

Fri 9/125:20 pmTYS - LHR

1 stop13h 15mUnited Airlines

Sat 9/202:05 pmLHR - TYS

2 stops31h 55mUnited Airlines

Deal found 4/30

$770

Thu 10/94:00 pmTYS - LHR

2 stops24h 40mScandinavian Airlines

Sun 11/25:40 amLHR - TYS

3 stops22h 06mScandinavian Airlines

Deal found 4/30

$809

Sat 8/161:56 pmTYS - LHR

1 stop13h 24mLufthansa

Sat 8/236:55 amLHR - TYS

2 stops20h 40mLufthansa

Deal found 4/30

$853

Tue 7/85:45 amTYS - LHR

2 stops19h 45mAir Canada

Tue 7/229:30 amLHR - TYS

2 stops36h 35mAir Canada

Deal found 4/30

$956

Wed 6/182:32 pmTYS - LHR

2 stops13h 43mVirgin Atlantic

Mon 6/239:20 amLHR - TYS

1 stop12h 52mVirgin Atlantic

Deal found 4/30

$1,113

Sun 7/275:57 pmTYS - LHR

1 stop13h 33mAmerican Airlines

Wed 8/131:10 pmLHR - TYS

1 stop13h 03mAmerican Airlines

Deal found 4/30

$717

Sun 9/76:39 pmTYS - LCY

2 stops40h 51mBritish Airways

Tue 9/167:00 pmLCY - TYS

2 stops27h 27mBritish Airways

Deal found 4/30

$742

Last-minute flights from Knoxville to London
Discover last-minute flight deals from Knoxville to London. Data last updated May 1, 2025 and is based on user searches.

Thu 5/111:55 amTYS - LHR

1 stop13h 50mKLM

Sun 5/49:20 amLHR - TYS

1 stop14h 19mKLM

Deal found 4/28

$1,038

Mon 5/55:05 amTYS - LHR

2 stops27h 20mAer Lingus

Fri 5/97:40 amLHR - TYS

2 stops19h 27mAer Lingus

Deal found 4/29

$1,268

Mon 5/53:00 pmTYS - LHR

1 stop10h 50mBritish Airways

Fri 5/912:15 pmLHR - TYS

1 stop12h 10mBritish Airways

Deal found 4/28

$1,811

Mon 5/55:50 amTYS - LHR

2 stops30h 10mEthiopian Air

Fri 5/99:00 pmLHR - TYS

3 stops46h 35mEthiopian Air

Deal found 4/29

$2,972

Tue 5/69:55 amTYS - LHR

3 stops15h 35mMultiple Airlines

Tue 5/209:30 amLHR - TYS

2 stops18h 15mMultiple Airlines

Deal found 4/29

$739

Fri 5/94:22 pmTYS - LHR

2 stops14h 03mDelta

Thu 5/229:20 amLHR - TYS

1 stop13h 23mDelta

Deal found 4/29

$707

Fri 5/910:50 amTYS - LHR

2 stops15h 05mUnited Airlines

Thu 5/221:00 pmLHR - TYS

2 stops15h 59mUnited Airlines

Deal found 4/29

$787

Fri 5/97:15 amTYS - LGW

2 stops26h 25mMultiple Airlines

Mon 5/122:00 pmLGW - TYS

1 stop31h 31mMultiple Airlines

Deal found 4/30

$810

Fri 5/910:50 amTYS - LCY

2 stops19h 50mMultiple Airlines

Mon 5/128:45 amLCY - TYS

2 stops20h 01mMultiple Airlines

Deal found 4/30

$896

Fri 5/95:50 amTYS - LGW

2 stops43h 30mEthiopian Air

Mon 5/1210:10 amLGW - TYS

3 stops33h 25mEthiopian Air

Deal found 4/30

$3,281

Tue 5/1310:55 amTYS - LHR

2 stops27h 45mBritish Airways

Mon 5/269:35 pmLHR - TYS

2 stops24h 58mBritish Airways

Deal found 4/29

$860

Tue 5/132:20 pmTYS - LHR

1 stop11h 35mLufthansa

Mon 5/268:25 pmLHR - TYS

2 stops25h 32mLufthansa

Deal found 4/29

$874

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 May 1, 2025.

Tue 7/297:00 amTYS - LHR

2 stops23h 55mMultiple Airlines

Deal found 4/30

$281

Tue 7/297:00 amTYS - LGW

2 stops26h 40mMultiple Airlines

Deal found 4/30

$281

Tue 7/297:00 amTYS - LCY

2 stops24h 30mMultiple Airlines

Deal found 4/30

$383

Tue 7/292:33 pmTYS - LHR

1 stop11h 42mVirgin Atlantic

Deal found 4/30

$394

Tue 7/297:00 amTYS - SEN

2 stops31h 40mMultiple Airlines

Deal found 4/30

$479

Wed 5/2110:40 amTYS - LHR

1 stop16h 00mUnited Airlines

Deal found 4/30

$529

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 - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 10/3

12:00 pm-8:50 am

2 stops15h 50m

London Heathrow

Wed 10/15

9:35 am-9:32 pm

2 stops16h 57m

$708

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/13

5:45 am-6:30 am

2 stops19h 45m

London Heathrow

Fri 8/22

9:00 am-11:57 pm

2 stops19h 57m

$709

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/13

2:30 pm-6:55 am

1 stop11h 25m

London Heathrow

Fri 8/22

4:00 pm-1:25 pm

2 stops26h 25m

$716

KnoxvilleLondon

TYS - LGW

TYSLGW

Knoxville McGhee Tyson

Sat 8/16

10:35 am-8:10 am

2 stops16h 35m

London Gatwick

Sat 8/23

3:05 pm-10:05 am

2 stops24h 00m

$716

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Sun 7/27

5:57 pm-12:30 pm

1 stop13h 33m

London Heathrow

Wed 8/13

1:10 pm-9:13 pm

1 stop13h 03m

$717

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 9/4

6:39 pm-10:30 am

1 stop10h 51m

London Heathrow

Mon 12/22

7:10 pm-5:41 pm

2 stops51h 31m

$718

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/13

12:00 pm-6:45 am

1 stop13h 45m

London Heathrow

Fri 8/22

3:15 pm-11:47 pm

1 stop13h 32m

$733

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Sun 9/7

6:39 pm-4:30 pm

2 stops40h 51m

London City

Tue 9/16

7:00 pm-5:27 pm

2 stops27h 27m

$742

KnoxvilleLondon

TYS - LCY

TYSLCY

Knoxville McGhee Tyson

Tue 10/28

2:55 pm-12:50 pm

2 stops17h 55m

London City

Tue 11/4

8:10 am-10:23 pm

3 stops19h 13m

$763

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 7/22

5:45 am-6:30 am

2 stops19h 45m

London Heathrow

Wed 8/13

9:30 am-2:58 pm

2 stops34h 28m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 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 May.

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 $1,103). 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 United Airlines 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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

1,334 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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.

Virgin Atlantic

7.4

Good

643 reviews

Delta

8.0

Very good

7,934 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.

Scandinavian Airlines

7.3

Good

1,349 reviews

Delta

8.0

Very good

7,934 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 $708, was found to be the cheapest airline from Knoxville to London.Alternate airlines to your destination round-trip include British Airways and American Airlines. These flights start at 24% lower than the current average price 3 months from now.
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 $1,103). 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

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Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

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$777	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$661	Average$874	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$676	Average$955	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$756	Average$1,211	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$768	Average$1,110	FlexibilityNo cancel fee	On-time72%

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$281+ 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 7/29. 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

1. Tell us where you want to go

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 May 1, 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 May 1, 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 May.

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 25, 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 May 1, 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

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated May 1, 2025.

Read reviews from past customers who have flown Delta, KLM and United Airlines 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

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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 May 1, 2025.