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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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LHR
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£58

One-way from

£42

Popular in

August

Cheapest in

March

Average price

£108

Good round-trip deal

£161 or less

Good one-way deal

£84 or less
British Airways
  • British Airways
  • 19/11-4/12
  • Nonstop
  • 2h 40m total
  • United Kingdom to London
Search Deals
British Airways
  • British Airways
  • 3/11
  • Nonstop
  • 1h 25m total
  • United Kingdom to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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.
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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 12 September 2025.

Wed 19/1112:20NCL - LHR
Nonstop1h 25mBritish Airways
Thu 4/1218:35LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 11/9£58
Mon 27/1020:15NCL - LHR
Nonstop1h 15mBritish Airways
Mon 3/1114:35LHR - NCL
Nonstop1h 20mBritish Airways
Deal found 12/9£63
Fri 5/1220:30INV - LHR
Nonstop1h 25mBritish Airways
Sun 7/1217:30LHR - INV
Nonstop1h 45mBritish Airways
Deal found 11/9£64
Thu 16/1020:15NCL - LHR
Nonstop1h 10mBritish Airways
Tue 28/1014:40LHR - NCL
Nonstop1h 20mBritish Airways
Deal found 11/9£64
Thu 13/1120:40NCL - LHR
Nonstop1h 15mBritish Airways
Sat 15/1114:40LHR - NCL
Nonstop1h 20mBritish Airways
Deal found 11/9£65
Fri 31/1020:30INV - LHR
Nonstop1h 25mBritish Airways
Sun 2/1117:30LHR - INV
Nonstop1h 45mBritish Airways
Deal found 11/9£65
Fri 7/1120:15NCL - LHR
Nonstop1h 15mBritish Airways
Sun 9/1107:20LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 11/9£66
Fri 7/1120:30INV - LHR
Nonstop1h 25mBritish Airways
Mon 10/1109:25LHR - INV
Nonstop1h 45mBritish Airways
Deal found 12/9£66
Sat 11/1020:30NCL - LHR
Nonstop1h 10mBritish Airways
Sun 12/1007:35LHR - NCL
Nonstop1h 10mBritish Airways
Deal found 11/9£66
Sun 26/1020:05INV - LHR
Nonstop1h 25mBritish Airways
Sun 2/1109:20LHR - INV
Nonstop1h 45mBritish Airways
Deal found 11/9£67
Sun 26/1020:15NCL - LHR
Nonstop1h 15mBritish Airways
Sat 1/1107:25LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 12/9£69
Sat 22/1116:50NCL - LHR
Nonstop1h 15mBritish Airways
Sun 23/1107:20LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 11/9£72

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 12 September 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

Fri 17/10

20:15-21:25

Nonstop1h 10m

London Heathrow

Tue 28/10

17:20-18:40

Nonstop1h 20m

£64

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Thu 16/10

20:15-21:25

Nonstop1h 10m

London Heathrow

Tue 28/10

14:40-16:00

Nonstop1h 20m

£64

InvernessLondon

INV - LHR

INVLHR

Inverness

Fri 31/10

20:30-21:55

Nonstop1h 25m

London Heathrow

Sun 2/11

17:30-19:15

Nonstop1h 45m

£65

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Tue 25/11

09:20-10:45

Nonstop1h 25m

London Heathrow

Tue 25/11

19:40-20:55

Nonstop1h 15m

£65

InvernessLondon

INV - LHR

INVLHR

Inverness

Fri 7/11

20:30-21:55

Nonstop1h 25m

London Heathrow

Mon 10/11

09:25-11:10

Nonstop1h 45m

£66

InvernessLondon

INV - LHR

INVLHR

Inverness

Sat 28/2

12:35-14:15

Nonstop1h 40m

London Heathrow

Tue 3/3

10:10-11:50

Nonstop1h 40m

£72

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 19/11

09:15-10:45

Nonstop1h 30m

London Heathrow

Sat 29/11

09:05-10:30

Nonstop1h 25m

£72

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Tue 16/12

17:30-18:30

Nonstop1h 00m

London Heathrow

Mon 12/1

19:05-20:10

Nonstop1h 05m

£73

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Fri 24/10

20:05-21:25

Nonstop1h 20m

London Heathrow

Mon 3/11

17:10-18:40

Nonstop1h 30m

£73

ManchesterLondon

MAN - LHR

MANLHR

Manchester

Thu 20/11

05:40-06:55

Nonstop1h 15m

London Heathrow

Tue 25/11

19:50-20:55

Nonstop1h 05m

£75

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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2
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6

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 12 September 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.

Weekly flight availability from United Kingdom to London Heathrow Airport

Explore weekly flight availability from United Kingdom to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 September 2025.

The most flights from GB0 to LHR are scheduled on a Friday (35 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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 12 September 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
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Aer Lingus
7.2
Good
1,271 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
easyJet
6.9
Okay
1,820 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 £64, 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 Belfast City - 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
Winchester
Chichester
Ipswich
Swindon
Dartford
Eastbourne

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.
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Copenhagen to Gatwick flights
Frederic Chopin to London City flights
Beauvais-Tille to Heathrow flights
Vienna to London City flights
Lyon to Stansted flights
Amsterdam to Gatwick flights
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Marseille to Gatwick flights
Amsterdam to Luton flights
Marseille to Stansted flights
Malpensa to Stansted flights
Malpensa to London City flights
Amsterdam to Stansted flights
Amsterdam to London City flights
Barcelona-El Prat to Stansted flights
Nantes to Gatwick flights
Barcelona-El Prat to Luton flights
Lyon to Luton flights
Beauvais-Tille to Gatwick flights
Nantes 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 12 September 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£243FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£248Average£298FlexibilityNo 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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