Cheap flights from Knoxville (TYS) to Heathrow (LHR) from $358

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — LHR
May 29 — Jun 51

The best prices from Knoxville McGhee Tyson to London Heathrow are usually found in February or March, booked 18 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Knoxville to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 24, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$643

One-way from

$548
High demand for flights, 40% potential price rise
Best time to find cheap flights, 28% potential price drop
From Knoxville McGhee Tyson to London Heathrow
One-way flight from Knoxville McGhee Tyson to London Heathrow

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 50% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Knoxville to London Heathrow Airport, book at least 34 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $663 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $831.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Knoxville in February are about $918 on average during February, but can be found for as low as $595.

When is the cheapest time to fly from Knoxville to London Heathrow Airport (TYS - LHR)?

When flying from Knoxville to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the afternoon.

Cheap Delta flights from Knoxville to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Knoxville and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Peruse some of the lowest-priced Delta flights we've found from Knoxville to London. Come back soon if you're not finding the exact deal you're looking for.
Wed 8/1412:00 pmTYS - LHR
2 stops13h 45mDelta
Fri 8/236:15 amLHR - TYS
2 stops17h 30mDelta
Deal found 5/22$755
Thu 9/264:00 pmTYS - LHR
2 stops13h 15mDelta
Thu 10/2412:10 pmLHR - TYS
2 stops16h 42mDelta
Deal found 5/22$796
Sun 7/2812:09 pmTYS - LHR
1 stop13h 16mDelta
Wed 8/1411:30 amLHR - TYS
2 stops16h 30mDelta
Deal found 5/22$820
Sun 7/282:32 pmTYS - LHR
1 stop10h 53mDelta
Wed 8/1411:30 amLHR - TYS
2 stops16h 30mDelta
Deal found 5/23$821
Sun 7/2810:04 amTYS - LHR
2 stops17h 01mDelta
Wed 8/1411:30 amLHR - TYS
2 stops16h 30mDelta
Deal found 5/23$825
Thu 8/2212:00 pmTYS - LHR
2 stops13h 20mDelta
Sat 8/318:05 pmLHR - TYS
2 stops19h 59mDelta
Deal found 5/22$854
Tue 6/185:00 pmTYS - LHR
2 stops13h 10mDelta
Thu 6/273:55 pmLHR - TYS
1 stop22h 27mDelta
Deal found 5/22$1,176

Cheap British Airways flights from Knoxville to Heathrow

Explore cheap flight options specifically provided by British Airways for the route between Knoxville and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
To aid your search, here are some of the cheapest British Airways flights we've found from Knoxville to London. Deals are refreshing constantly so come back soon for more options.
Fri 9/63:00 pmTYS - LHR
1 stop10h 40mBritish Airways
Mon 9/168:25 pmLHR - TYS
2 stops26h 03mBritish Airways
Deal found 5/22$802
Sat 10/511:43 amTYS - LHR
1 stop29h 27mBritish Airways
Sat 10/1212:50 pmLHR - TYS
2 stops36h 39mBritish Airways
Deal found 5/22$813
Fri 9/204:54 pmTYS - LHR
1 stop12h 26mBritish Airways
Mon 9/308:25 pmLHR - TYS
2 stops26h 03mBritish Airways
Deal found 5/22$819
Tue 7/93:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Thu 7/189:45 amLHR - TYS
1 stop12h 52mBritish Airways
Deal found 5/21$827
Tue 7/93:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Sat 7/209:45 amLHR - TYS
1 stop12h 52mBritish Airways
Deal found 5/21$877
Sun 6/163:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Wed 6/269:45 amLHR - TYS
1 stop12h 51mBritish Airways
Deal found 5/22$896
Thu 7/113:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Sun 7/219:45 amLHR - TYS
1 stop12h 52mBritish Airways
Deal found 5/21$927
Thu 6/203:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Thu 6/279:45 amLHR - TYS
1 stop12h 51mBritish Airways
Deal found 5/22$946
Fri 6/213:57 pmTYS - LHR
1 stop10h 48mBritish Airways
Mon 7/19:45 amLHR - TYS
1 stop12h 51mBritish Airways
Deal found 5/22$996

Cheap Knoxville to Heathrow flights in May & June 2024

Find cheap flight options from Knoxville to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Prices were last updated on May 24, 2024.
The lowest fares we've come across on flights traveling from Knoxville to London in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/2910:00 amTYS - LHR
1 stop15h 45mUnited Airlines
Wed 6/58:40 amLHR - TYS
2 stops20h 03mUnited Airlines
Deal found 5/22$816
Sun 5/2611:23 amTYS - LHR
1 stop14h 22mDelta
Tue 6/411:45 amLHR - TYS
2 stops17h 06mDelta
Deal found 5/21$822
Wed 5/2911:00 amTYS - LHR
2 stops15h 15mUnited Airlines
Wed 6/510:50 amLHR - TYS
2 stops17h 53mUnited Airlines
Deal found 5/22$823
Sun 5/2612:38 pmTYS - LHR
1 stop15h 27mAmerican Airlines
Tue 6/412:15 pmLHR - TYS
1 stop14h 33mAmerican Airlines
Deal found 5/21$824
Mon 5/275:56 pmTYS - LHR
1 stop11h 54mBritish Airways
Tue 6/41:00 pmLHR - TYS
1 stop12h 31mBritish Airways
Deal found 5/21$827
Mon 5/2710:00 amTYS - LHR
3 stops15h 30mMultiple Airlines
Wed 6/52:05 pmLHR - TYS
2 stops14h 38mMultiple Airlines
Deal found 5/21$838
Thu 5/235:56 pmTYS - LHR
1 stop11h 54mBritish Airways
Tue 5/2810:05 amLHR - TYS
1 stop13h 04mBritish Airways
Deal found 5/22$877
Thu 6/62:39 pmTYS - LHR
2 stops18h 21mVirgin Atlantic
Thu 6/1311:35 amLHR - TYS
1 stop12h 19mVirgin Atlantic
Deal found 5/21$882
Sat 5/254:24 pmTYS - LHR
1 stop24h 46mBritish Airways
Mon 6/31:10 pmLHR - TYS
1 stop14h 10mBritish Airways
Deal found 5/21$883

Knoxville to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
The lowest fares we've come across on flights traveling from Knoxville to London in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 10/812:47 pmTYS - LHR
1 stop15h 18mAmerican Airlines
Wed 10/167:40 amLHR - TYS
2 stops14h 49mAmerican Airlines
Deal found 5/22$707
Tue 10/86:25 pmTYS - LHR
2 stops11h 25mAmerican Airlines
Wed 10/168:50 amLHR - TYS
2 stops13h 39mAmerican Airlines
Deal found 5/22$712
Mon 11/116:14 pmTYS - LHR
1 stop10h 06mMultiple Airlines
Mon 11/187:45 pmLHR - TYS
2 stops26h 44mMultiple Airlines
Deal found 5/22$724
Tue 10/88:39 pmTYS - LHR
1 stop10h 31mAmerican Airlines
Wed 10/169:15 amLHR - TYS
1 stop19h 10mAmerican Airlines
Deal found 5/22$738
Wed 8/1412:00 pmTYS - LHR
2 stops13h 45mDelta
Fri 8/236:15 amLHR - TYS
2 stops17h 30mDelta
Deal found 5/22$755
Wed 8/145:57 pmTYS - LHR
1 stop13h 18mAmerican Airlines
Fri 8/239:15 amLHR - TYS
1 stop13h 22mAmerican Airlines
Deal found 5/22$756
Wed 8/146:08 pmTYS - LHR
2 stops11h 42mAmerican Airlines
Fri 8/2312:15 pmLHR - TYS
1 stop14h 21mAmerican Airlines
Deal found 5/22$759
Mon 11/116:23 pmTYS - LHR
2 stops11h 52mAmerican Airlines
Mon 11/186:50 amLHR - TYS
2 stops15h 39mAmerican Airlines
Deal found 5/22$763
Thu 8/222:53 pmTYS - LHR
1 stop11h 37mAmerican Airlines
Sat 8/319:15 amLHR - TYS
1 stop13h 22mAmerican Airlines
Deal found 5/22$777

Knoxville to Heathrow flights leaving soon

Find last-minute flight options from Knoxville to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Consider one of these great deals we found on last-minute flights from Knoxville to London. It's wise to confirm all flight details are correct before booking.
Wed 5/2910:00 amTYS - LHR
1 stop15h 45mUnited Airlines
Wed 6/58:40 amLHR - TYS
2 stops20h 03mUnited Airlines
Deal found 5/22$816
Wed 5/2911:00 amTYS - LHR
2 stops15h 15mUnited Airlines
Wed 6/510:50 amLHR - TYS
2 stops17h 53mUnited Airlines
Deal found 5/22$823
Wed 5/295:58 pmTYS - LHR
1 stop10h 07mAmerican Airlines
Wed 6/59:15 amLHR - TYS
1 stop14h 45mAmerican Airlines
Deal found 5/22$824
Tue 5/286:34 pmTYS - LHR
1 stop13h 11mBritish Airways
Thu 6/69:45 amLHR - TYS
1 stop12h 51mBritish Airways
Deal found 5/21$827
Tue 5/286:34 pmTYS - LHR
1 stop13h 11mBritish Airways
Sun 6/21:00 pmLHR - TYS
1 stop12h 31mBritish Airways
Deal found 5/21$877
Tue 5/283:10 pmTYS - LHR
2 stops13h 25mMultiple Airlines
Wed 6/59:30 amLHR - TYS
2 stops18h 06mMultiple Airlines
Deal found 5/21$1,068
Tue 5/283:10 pmTYS - LHR
2 stops13h 25mMultiple Airlines
Wed 6/59:30 amLHR - TYS
3 stops19h 13mMultiple Airlines
Deal found 5/21$1,074
Sat 6/16:31 pmTYS - LHR
1 stop33h 29mAmerican Airlines
Sun 6/231:00 pmLHR - TYS
1 stop15h 59mAmerican Airlines
Deal found 5/21$1,152
Sat 6/16:31 pmTYS - LHR
1 stop33h 29mAmerican Airlines
Sun 6/239:45 amLHR - TYS
2 stops16h 53mAmerican Airlines
Deal found 5/21$1,155

One-way flights to Heathrow from Knoxville

Search for one-way flight options from Knoxville to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Users traveling one-way from Knoxville to London can select one of these great deals. Users in need of a round-trip flight from Knoxville to London instead should update the search form at the top of page.
Fri 9/68:10 amTYS - LHR
2 stops44h 25mMultiple Airlines
Deal found 5/22$358
Fri 9/68:10 amTYS - LHR
3 stops44h 10mMultiple Airlines
Deal found 5/22$372
Fri 9/68:10 amTYS - LHR
2 stops25h 00mMultiple Airlines
Deal found 5/22$401
Mon 9/98:10 amTYS - LHR
3 stops32h 25mMultiple Airlines
Deal found 5/22$409
Sun 9/88:00 amTYS - LHR
3 stops33h 25mMultiple Airlines
Deal found 5/22$450
Thu 9/58:00 amTYS - LHR
3 stops29h 30mMultiple Airlines
Deal found 5/22$465
Fri 9/68:10 amTYS - LHR
3 stops33h 20mMultiple Airlines
Deal found 5/22$474
Sun 9/88:00 amTYS - LHR
2 stops25h 55mMultiple Airlines
Deal found 5/22$477
Thu 9/58:00 amTYS - LHR
2 stops18h 55mMultiple Airlines
Deal found 5/22$503

Find flights from Knoxville to Heathrow within your budget

Customize your flight search to find flights from Knoxville to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$707 - $1,061

Route

Depart

Return

Price

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 10/8

1 stop15h 18m

London Heathrow

Wed 10/16

2 stops14h 49m

$707

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 11/11

1 stop10h 06m

London Heathrow

Mon 11/18

2 stops26h 44m

$724

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 8/14

2 stops13h 45m

London Heathrow

Fri 8/23

2 stops17h 30m

$755

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 9/13

1 stop10h 20m

London Heathrow

Tue 9/24

2 stops17h 40m

$791

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 9/6

1 stop10h 40m

London Heathrow

Mon 9/16

2 stops26h 03m

$802

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Tue 7/23

1 stop13h 16m

London Heathrow

Tue 7/30

2 stops18h 58m

$832

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 9/6

2 stops19h 15m

London Heathrow

Mon 9/16

2 stops34h 54m

$835

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 9/27

1 stop10h 15m

London Heathrow

Sun 10/6

1 stop12h 08m

$841

Knoxville McGhee TysonLondon Heathrow

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 6/19

2 stops19h 00m

London Heathrow

Fri 6/28

2 stops19h 12m

$1,061

Flights are sorted by cheapest first

Deals found on 5/22

When is the best time to book a flight from Knoxville to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Heathrow. Price data was last updated on May 22, 2024.
To ensure you get the cheapest price possible for a flight from Knoxville to London Heathrow Airport, you should look to book at least 18 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.
Search Deals

When is the cheapest time to fly from Knoxville to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Heathrow. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Knoxville to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated May 24, 2024.
Read through reviews of airlines operating flights from Knoxville to London, such as Delta, British Airways and Virgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,561 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,549 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.7
Good
728 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,895 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,845 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Heathrow. 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 Heathrow?

    Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to London Heathrow. You should not have trouble finding flights to London Heathrow from McGhee Tyson; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Knoxville airport to London Heathrow. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

  • Can I find flights from Knoxville to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Knoxville to London Heathrow Airport for under $800. The cheapest flight booked recently is on American Airlines for just $707, but on average you can expect to pay $773.

  • Are there last-minute flights available from Knoxville to London Heathrow Airport for under $900?

    There are currently 20+ open flights from Knoxville to London Heathrow Airport within the next 7 days for less than $900.

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

    Cheapflights users have booked flights from Knoxville to London Heathrow Airport round-trip from $707. Other airlines that can offer you cheap pricing are Delta, from $755, and United Airlines, from $791. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $547 on American Airlines. Other airlines that offer cheap prices include Delta from $548 and Virgin Atlantic from $560 one-way.

  • What does TYS to LHR mean?

    This is defined as Knoxville McGhee Tyson Airport (TYS) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Knoxville to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Knoxville to Heathrow?

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

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

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

  • Can I find deals for flights from Knoxville to Heathrow that allow pets onboard?

    Many airlines flying from Knoxville to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Heathrow?

    Yes, you can often find last-minute deals on Knoxville to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to London Heathrow Airport flight deals updated?

    The Knoxville to London Heathrow Airport flight deals you see on this page were last updated on 5/22.

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

  • When is the best time to book a flight from Knoxville to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to London Heathrow Airport (average of $652). Flying from Knoxville to London Heathrow Airport in June is currently the most expensive (average of $1,138). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Knoxville to Heathrow

Discover the top 7 airlines that operate flights from Knoxville to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$586Average$820FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest$597Average$1,270FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest$612Average$766FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$648Average$794FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$655Average$853FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$658Average$1,006FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest$729Average$782FlexibilityNo cancel feeOn-time77%
Search Air France flights

Search flights from Knoxville to Heathrow by cabin class

Find flights from Knoxville to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Heathrow?

Deals for Knoxville to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Knoxville to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Knoxville to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Knoxville shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Knoxville to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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