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Cheap flights from the United Kingdom to London Heathrow Airport from £40

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LHR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Heathrow

Enter your travel dates to find the best prices.

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 5 December 2025.

Sun 21/1220:15NCL - LHR
Nonstop1h 15mBritish Airways
Sun 28/1221:05LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 4/12£76
Wed 31/1206:40NCL - LHR
Nonstop1h 30mBritish Airways
Wed 7/111:55LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 3/12£79
Sun 21/1206:20EDI - LHR
Nonstop1h 40mBritish Airways
Mon 29/1220:00LHR - EDI
Nonstop1h 25mBritish Airways
Deal found 4/12£84
Tue 30/1219:30NCL - LHR
Nonstop1h 15mBritish Airways
Tue 6/119:40LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 2/12£85
Fri 19/1215:05MAN - LHR
Nonstop1h 10mBritish Airways
Sun 28/1206:50LHR - MAN
Nonstop1h 05mBritish Airways
Deal found 3/12£87
Fri 19/1215:05MAN - LHR
Nonstop1h 10mBritish Airways
Sun 21/1207:45LHR - MAN
Nonstop1h 05mBritish Airways
Deal found 3/12£88
Fri 19/1214:00GLA - LHR
Nonstop1h 30mBritish Airways
Sun 4/106:55LHR - GLA
Nonstop1h 25mBritish Airways
Deal found 3/12£88
Mon 22/1220:15NCL - LHR
Nonstop1h 15mBritish Airways
Wed 31/1207:35LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 3/12£89
Fri 12/1215:05MAN - LHR
Nonstop1h 10mBritish Airways
Sun 14/1207:45LHR - MAN
Nonstop1h 05mBritish Airways
Deal found 3/12£91
Fri 26/1221:20NCL - LHR
Nonstop1h 15mBritish Airways
Wed 21/111:55LHR - NCL
Nonstop1h 15mBritish Airways
Deal found 4/12£91
Tue 9/1212:45INV - LHR
Nonstop1h 40mBritish Airways
Sat 3/117:45LHR - INV
Nonstop1h 45mBritish Airways
Deal found 3/12£91
Wed 31/1213:55GLA - LHR
Nonstop1h 30mBritish Airways
Wed 7/120:00LHR - GLA
Nonstop1h 30mBritish Airways
Deal found 3/12£91

Find 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 5 December 2025.

Round-trip from

£64

One-way from

£40

Popular in

August

Cheapest in

March

Average price

£103

Good round-trip deal

£145 or less

Good one-way deal

£67 or less
British Airways
  • British Airways
  • 23/1-26/1
  • Nonstop
  • 3h 10m total
  • United Kingdom to London
Search Deals
British Airways
  • British Airways
  • 15/1
  • Nonstop
  • 1h 25m total
  • United Kingdom to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£6 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 December 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to London Heathrow.
Search Deals
Price to beat on a one-way flight from United Kingdom to London Heathrow.
Search Deals

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 5 December 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

Wed 25/2

06:40-08:10

Nonstop1h 30m

London Heathrow

Sun 1/3

07:20-08:35

Nonstop1h 15m

£76

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Sun 11/1

06:40-08:10

Nonstop1h 30m

London Heathrow

Wed 14/1

14:40-16:00

Nonstop1h 20m

£78

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Tue 10/2

15:50-17:10

Nonstop1h 20m

London Heathrow

Wed 11/2

07:35-08:50

Nonstop1h 15m

£79

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Thu 15/1

06:30-08:00

Nonstop1h 30m

London Heathrow

Thu 22/1

14:40-16:00

Nonstop1h 20m

£80

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Mon 19/1

20:15-21:30

Nonstop1h 15m

London Heathrow

Mon 26/1

07:35-08:50

Nonstop1h 15m

£81

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Mon 2/2

12:55-14:15

Nonstop1h 20m

London Heathrow

Sun 15/2

07:20-08:35

Nonstop1h 15m

£82

InvernessLondon

INV - LHR

INVLHR

Inverness

Sun 18/1

20:05-21:30

Nonstop1h 25m

London Heathrow

Sun 25/1

09:20-11:05

Nonstop1h 45m

£83

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Sat 17/1

09:30-10:55

Nonstop1h 25m

London Heathrow

Sat 24/1

07:25-08:40

Nonstop1h 15m

£85

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Fri 27/2

06:45-08:20

Nonstop1h 35m

London Heathrow

Mon 2/3

07:00-08:25

Nonstop1h 25m

£86

Newcastle upon TyneLondon

NCL - LHR

NCLLHR

Newcastle upon Tyne

Fri 20/3

12:15-13:40

Nonstop1h 25m

London Heathrow

Fri 20/3

21:05-22:20

Nonstop1h 15m

£87

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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, February is the cheapest month in which you can book a flight from United Kingdom to London Heathrow Airport (average of £59). Flying from United Kingdom to London Heathrow Airport in May is currently the most expensive (average of £73). 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 5 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 62% on flights from United Kingdom to London Heathrow Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from United Kingdom to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from United Kingdom to Heathrow. Price data was last updated on 29 November 2025.

Travellers seeking maximum savings on their United Kingdom to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 5 December 2025.

The most flights from GB0 to LHR are scheduled on a Thursday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from the United Kingdom to London delayed?

About 14% of weekly flights between United Kingdom and London have experienced delays in the past year, with the average delay time being 100 minutes.

What is the most punctual flight time for the United Kingdom to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 5 December 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
7.7
Good
1,430 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,384 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
easyJet
6.9
Okay
1,848 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,562 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £76, British Airways can have you in London Heathrow Airport from United Kingdom in 1h 30m. There are 251 mi between United Kingdom and London Heathrow Airport. All flights are typically direct.

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

    £15 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on British Airways and Loganair, with prices starting from £37 and £66, respectively.

  • 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, February is the cheapest month in which you can book a flight from United Kingdom to London Heathrow Airport (average of £59). Flying from United Kingdom to London Heathrow Airport in May is currently the most expensive (average of £73). 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
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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.

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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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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£73FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£69Average£165FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£163Average£246FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£274Average£307FlexibilityNo 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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