In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from PIK to LHR?

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

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

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

How can I find direct flights from Prestwick to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Prestwick 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.

£71+ Cheap Flights from Glasgow Prestwick Airport to London Heathrow Airport

Cheap flight deals from Prestwick to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Prestwick to Heathrow
Explore the most affordable flight options available from Prestwick to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Fri 2/1017:45 -

1 stop15h 25m

Fri 9/1020:50 -

1 stop14h 05m

Deal found 20/9£156

Tue 6/1012:50 -

1 stop7h 15m

Tue 20/1020:50 -

1 stop14h 15m

Deal found 18/9£169

Wed 23/911:30 -

1 stop8h 35m

Fri 25/920:50 -

1 stop14h 05m

Deal found 18/9£420

Find flight deals from Prestwick to Heathrow

Round-trip from	£156
One-way from	£71
Popular in	November
Cheapest in	April
Average price	£58

2/10-9/10
2 total stops
29h 30m total
Glasgow to London

Search Deals

17/10-31/12
1 total stop
21h 50m total
Glasgow to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£8 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£1 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Prestwick Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Fri 2/10

17:45-09:10

1 stop15h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Mon 14/12

07:05-18:00

2 stops10h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Wed 7/10

11:30-20:05

1 stop8h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

Fastest return journey

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Tue 6/10

12:50-20:05

1 stop7h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Wed 30/9

11:30-09:10

1 stop21h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Sat 3/10

11:20-09:10

1 stop21h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£114

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Tue 20/10

12:50-20:05

1 stop7h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£118

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Tue 29/9

17:05-09:10

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£119

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Mon 8/2

07:05-18:00

2 stops10h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£125

GlasgowLondon

PIK Glasgow Prestwick - LHR London Heathrow

PIKLHR

Glasgow Prestwick

Sat 17/10

17:25-09:10

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£125

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Prestwick to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Prestwick with our price prediction graph.

PIK-LHR

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.

Related info for your journey

Can I find deals for flights from Prestwick to Heathrow that include hotel bookings?
Yes. In addition to deals on Prestwick to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Prestwick to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prestwick to Heathrow.
Can I find deals for business class flights from Prestwick to Heathrow?
Yes. Cheapflights offers flight deals from Prestwick 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.

Hounslow

Luton

Milton Keynes

Gatwick

Wembley

Slough

Ilford

Hayes

Croydon

Northampton

Colchester

Eastbourne

Enfield

Brentford

Southend-on-Sea

Barnet

Southall

Watford

Stratford-upon-Avon

Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Popular flights

Alternative routes for Prestwick to Heathrow

Glasgow Intl to Heathrow flights

Glasgow Intl to Gatwick flights

Glasgow Intl to Stansted flights

Glasgow Intl to Luton flights

Glasgow Intl to London City flights

Prestwick to Gatwick flights

Glasgow Intl to Southend flights

Fly with Cheapflights

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

Deals for Prestwick 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 Prestwick to Heathrow?

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

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

Need flexible booking options for your flight to Heathrow from Prestwick? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Prestwick to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Glasgow Prestwick Airport to London Heathrow Airport from £71

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Prestwick to Heathrow

Cheapest flights from Prestwick to HeathrowExplore the most affordable flight options available from Prestwick to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Explore the most affordable flight options available from Prestwick to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Prestwick to HeathrowDiscover carefully curated flight deals from Prestwick to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Prestwick to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Prestwick to HeathrowDiscover last-minute flight deals from Prestwick to Heathrow. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Prestwick to Heathrow. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Prestwick to HeathrowSearch for one-way flight options from Prestwick to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Prestwick to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Prestwick to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Prestwick Airport to London Heathrow Airport that are best for you.

Best time to book a flight from Prestwick to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Prestwick with our price prediction graph.

Related info for your journey

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

How can I find direct flights from Prestwick to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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 Prestwick to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Prestwick to Heathrow by cabin class

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

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

Prestwick and Heathrow flights

Browse other Prestwick and Heathrow flight options. Last updated on 21 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Prestwick to Heathrow
Explore the most affordable flight options available from Prestwick to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Prestwick to Heathrow
Discover carefully curated flight deals from Prestwick to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Prestwick to Heathrow
Discover last-minute flight deals from Prestwick to Heathrow. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Prestwick to Heathrow
Search for one-way flight options from Prestwick to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.