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Cheap flights from the United Kingdom to London Heathrow Airport from £42

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LHR
3 Sep — 10 Sep1
1 adult

Cheap flight deals from United Kingdom to Heathrow

Keep the following information in mind while searching for United Kingdom to Heathrow flight deals. Data was last updated 29 August 2025.

Round-trip from

£77

One-way from

£42

Popular in

August

Cheapest in

March

Average price

£119

Good round-trip deal

£166 or less

Good one-way deal

£81 or less
British Airways
  • British Airways
  • 11/10-18/10
  • Nonstop
  • 2h 20m total
  • United Kingdom to London
Search Deals
British Airways
  • British Airways
  • 15/11
  • Nonstop
  • 1h 25m total
  • United Kingdom to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from United Kingdom to London Heathrow.
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Price to beat on a one-way flight from United Kingdom to London Heathrow.
Search Deals

Find flight deals from United Kingdom to Heathrow

Cheapest flights from United Kingdom to Heathrow
Explore the most affordable flight options available from United Kingdom to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Sat 11/1020:30NCL - LHR
Nonstop1h 10mBritish Airways
Sat 18/1020:50LHR - NCL
Nonstop1h 10mBritish Airways
Deal found 27/8£77
Wed 29/1019:15INV - LHR
Nonstop1h 25mBritish Airways
Fri 31/1018:00LHR - INV
Nonstop1h 40mBritish Airways
Deal found 27/8£78
Fri 3/1020:15NCL - LHR
Nonstop1h 10mBritish Airways
Mon 6/1014:15LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 28/8£78
Mon 3/1119:45INV - LHR
Nonstop1h 25mBritish Airways
Wed 5/1116:15LHR - INV
Nonstop1h 45mBritish Airways
Deal found 26/8£78
Fri 10/1018:10NCL - LHR
Nonstop1h 10mBritish Airways
Fri 17/1020:50LHR - NCL
Nonstop1h 10mBritish Airways
Deal found 26/8£80
Fri 7/1120:30INV - LHR
Nonstop1h 25mBritish Airways
Mon 10/1117:15LHR - INV
Nonstop1h 45mBritish Airways
Deal found 26/8£81
Fri 7/1120:15NCL - LHR
Nonstop1h 15mBritish Airways
Sun 16/1107:20LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 28/8£81
Fri 7/1120:30INV - LHR
Nonstop1h 25mBritish Airways
Sun 23/1117:30LHR - INV
Nonstop1h 45mBritish Airways
Deal found 28/8£82
Mon 22/919:15NCL - LHR
Nonstop1h 10mBritish Airways
Wed 8/1007:35LHR - NCL
Nonstop1h 10mBritish Airways
Deal found 26/8£84
Thu 9/1020:25EDI - LHR
Nonstop1h 20mBritish Airways
Sun 12/1019:00LHR - EDI
Nonstop1h 20mBritish Airways
Deal found 26/8£84
Wed 8/1021:30NCL - LHR
Nonstop1h 10mBritish Airways
Wed 15/1015:00LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 26/8£84
Thu 18/920:15NCL - LHR
Nonstop1h 10mBritish Airways
Mon 29/907:15LHR - NCL
Nonstop1h 10mBritish Airways
Deal found 28/8£86

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from the United Kingdom to London Heathrow Airport that are best for you.

Fly from

United Kingdom

Fly to

Heathrow

Route

Depart

Return

Price

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Sat 11/10

20:30-21:40

Nonstop1h 10m

London Heathrow

Sat 18/10

20:50-22:00

Nonstop1h 10m

£77

InvernessLondon

INV - LHR

INVLHR

Inverness

Wed 29/10

19:15-20:40

Nonstop1h 25m

London Heathrow

Fri 31/10

18:00-19:40

Nonstop1h 40m

£78

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Thu 1/1

08:50-10:15

Nonstop1h 25m

London Heathrow

Thu 15/1

13:10-14:25

Nonstop1h 15m

£78

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Sun 12/10

06:00-07:25

Nonstop1h 25m

London Heathrow

Sun 19/10

14:15-15:30

Nonstop1h 15m

£78

InvernessLondon

INV - LHR

INVLHR

Inverness

Mon 3/11

19:45-21:10

Nonstop1h 25m

London Heathrow

Thu 6/11

17:15-19:00

Nonstop1h 45m

£78

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Fri 10/10

20:15-21:25

Nonstop1h 10m

London Heathrow

Fri 17/10

20:50-22:00

Nonstop1h 10m

£78

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Fri 3/10

20:15-21:25

Nonstop1h 10m

London Heathrow

Mon 6/10

14:15-15:30

Nonstop1h 15m

£78

InvernessLondon

INV - LHR

INVLHR

Inverness

Fri 7/11

20:30-21:55

Nonstop1h 25m

London Heathrow

Mon 10/11

17:15-19:00

Nonstop1h 45m

£81

InvernessLondon

INV - LHR

INVLHR

Inverness

Tue 20/1

12:45-14:25

Nonstop1h 40m

London Heathrow

Tue 3/2

10:10-11:50

Nonstop1h 40m

£81

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Tue 11/11

12:20-13:45

Nonstop1h 25m

London Heathrow

Thu 20/11

13:10-14:25

Nonstop1h 15m

£81

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from United Kingdom with our price prediction graph.
Estimated return 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 the United Kingdom to London Heathrow Airport

What is the cheapest month to book a flight from United Kingdom to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to London Heathrow Airport (average of £112). Flying from United Kingdom to London Heathrow Airport in August is currently the most expensive (average of £164). 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 GB to LHR?

Find hourly flight availability from United Kingdom to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to London Heathrow Airport as you normally would.

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 29 August 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andeasyJet from the United Kingdom to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.2
Good
1,240 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
easyJet
6.9
Okay
1,817 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,320 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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

  • How long is the flight from United Kingdom to London Heathrow Airport?

    For as low as £77, British Airways can have you in London Heathrow Airport from United Kingdom in 1h 10m. There are 251 mi between United Kingdom and London Heathrow Airport. All flights are typically direct.

  • What are the most popular routes from United Kingdom to London Heathrow Airport?

    The most popular flight routes from United Kingdom to London Heathrow Airport are Edinburgh Turnhouse - London Heathrow, Glasgow Intl - London Heathrow and Manchester - London Heathrow.

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

    Yes. In addition to deals on United Kingdom to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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.

  • What is the cheapest month to book a flight from United Kingdom to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to London Heathrow Airport (average of £112). Flying from United Kingdom to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Gatwick flights
Charles de Gaulle to Luton flights
Charles de Gaulle to London City flights
Orly to Heathrow flights
Charles de Gaulle to Heathrow flights
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Madrid to Gatwick flights
Frankfurt to Gatwick flights
Duesseldorf Intl to Stansted flights
Frankfurt to Luton flights
Vienna to Stansted flights
Lyon to Gatwick flights
Madrid to Stansted flights
Orly to Luton flights
Vienna to Gatwick flights
Duesseldorf Intl to Heathrow flights
Amsterdam to Gatwick flights
Madrid to London City flights
Amsterdam to Luton flights
Lyon to Heathrow flights
Amsterdam to London City flights
Vienna to Heathrow flights
Lyon to London City flights
Orly to Gatwick flights
Berlin to London City flights
Lyon to Stansted flights
Vienna to London City flights
Beauvais-Tille to Heathrow flights
Duesseldorf Intl to Luton flights
Barcelona-El Prat to Luton flights
Amsterdam to Southend flights
Vienna to Luton flights
Nantes to Gatwick flights
Copenhagen to Heathrow flights
Frederic Chopin to Luton flights
Nantes to Stansted flights
Frederic Chopin to Gatwick flights
Frederic Chopin to Heathrow flights
Nantes to Heathrow flights
Barcelona-El Prat to London City flights
Beauvais-Tille to Gatwick flights
Beauvais-Tille to Stansted flights
Marseille to Stansted flights
Lyon to Luton flights
Berlin to Stansted flights
Corvera to Gatwick flights
Marseille to Gatwick flights
Frederic Chopin to London City flights
Barcelona-El Prat to Stansted flights

Top 4 airlines flying from United Kingdom to Heathrow

Discover the top 4 airlines that operate flights from United Kingdom 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 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£74FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£66Average£157FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£159Average£242FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£249Average£299FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from United Kingdom to Heathrow?

Cheapflights makes it easy to find United Kingdom to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Heathrow for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from United Kingdom today and book when prices fit your budget.

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