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Cheap flights from London Heathrow Airport to Isle of Islay from £239

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ILY
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Isle of Islay

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Isle of Islay
Explore the most affordable flight options available from Heathrow to Isle of Islay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Sat 13/1221:00LHR - ILY
1 stop18h 55mBritish Airways
Fri 19/1218:25ILY - LHR
1 stop13h 45mBritish Airways
Deal found 13/11£254
Sun 14/1208:00LHR - ILY
1 stop7h 55mBritish Airways
Fri 19/1218:25ILY - LHR
1 stop15h 50mBritish Airways
Deal found 13/11£261
Sat 13/1219:55LHR - ILY
1 stop20h 00mBritish Airways
Tue 16/1218:25ILY - LHR
1 stop13h 05mBritish Airways
Deal found 13/11£266
Fri 12/1207:30LHR - ILY
1 stop25h 15mBritish Airways
Fri 19/1218:25ILY - LHR
1 stop3h 20mBritish Airways
Deal found 13/11£271
Wed 10/1220:00LHR - ILY
1 stop12h 45mBritish Airways
Wed 17/1218:25ILY - LHR
1 stop15h 50mBritish Airways
Deal found 12/11£271
Sat 13/1219:55LHR - ILY
1 stop20h 00mBritish Airways
Sat 20/1209:15ILY - LHR
1 stop6h 20mBritish Airways
Deal found 13/11£274
Fri 12/1221:10LHR - ILY
1 stop11h 35mBritish Airways
Tue 16/1209:15ILY - LHR
1 stop6h 15mBritish Airways
Deal found 13/11£283
Fri 12/1221:10LHR - ILY
1 stop11h 35mBritish Airways
Sat 20/1209:15ILY - LHR
1 stop4h 00mBritish Airways
Deal found 13/11£291
Mon 15/1206:25LHR - ILY
1 stop11h 30mBritish Airways
Fri 19/1218:25ILY - LHR
1 stop3h 20mBritish Airways
Deal found 13/11£306
Fri 28/1106:25LHR - ILY
1 stop11h 30mMultiple Airlines
Tue 2/1209:15ILY - LHR
1 stop6h 15mMultiple Airlines
Deal found 13/11£315
Sun 14/1208:00LHR - ILY
1 stop7h 55mMultiple Airlines
Thu 18/1209:15ILY - LHR
1 stop3h 50mMultiple Airlines
Deal found 13/11£321

Cheap flight deals from Heathrow to Isle of Islay

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Isle of Islay (ILY). 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 14 November 2025.

Round-trip from

£239

Popular in

May

Cheapest in

September

Average price

£294
British Airways
  • British Airways
  • 6/4-9/4
  • 2 total stops
  • 14h 10m total
  • London to Isle of Islay
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Isle of Islay 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 14 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Isle of Islay that are best for you.

Fly from

Heathrow

Fly to

Isle of Islay

Route

Depart

Return

Price

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Mon 6/4

06:30-17:55

1 stop11h 25m

Isle of Islay Glenegedale

Thu 9/4

18:25-21:50

1 stop3h 25m

£239

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Mon 6/4

21:50-08:35

1 stop10h 45m

Isle of Islay Glenegedale

Fri 10/4

18:25-21:45

1 stop3h 20m

£239

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sat 13/12

21:00-15:55

1 stop18h 55m

Isle of Islay Glenegedale

Fri 19/12

18:25-08:10

1 stop13h 45m

£254

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sun 14/12

08:00-15:55

1 stop7h 55m

Isle of Islay Glenegedale

Fri 19/12

18:25-10:15

1 stop15h 50m

£261

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sat 13/12

21:00-15:55

1 stop18h 55m

Isle of Islay Glenegedale

Thu 18/12

09:15-14:15

1 stop5h 00m

£266

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sat 13/12

19:55-15:55

1 stop20h 00m

Isle of Islay Glenegedale

Tue 16/12

18:25-07:30

1 stop13h 05m

£266

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Fri 12/12

07:30-08:45

1 stop25h 15m

Isle of Islay Glenegedale

Fri 19/12

18:25-21:45

1 stop3h 20m

£271

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Wed 10/12

20:00-08:45

1 stop12h 45m

Isle of Islay Glenegedale

Wed 17/12

18:25-10:15

1 stop15h 50m

£271

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sun 7/12

20:10-08:35

1 stop12h 25m

£252

LondonIsle of Islay

LHR - ILY

LHRILY

London Heathrow

Sun 7/12

20:20-17:55

2 stops21h 35m

£407

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Best time to book a flight from Heathrow to Isle of Islay

Have a flexible travel schedule? Discover the best time to fly to Isle of Islay from Heathrow 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 London Heathrow Airport to Isle of Islay

What is the cheapest month to book a flight from London Heathrow Airport to Isle of Islay?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Isle of Islay (average of £62). Flying from London Heathrow Airport to Isle of Islay in November is currently the most expensive (average of £80). 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Isle of Islay. 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 into for flights to Isle of Islay from London Heathrow?

    Located just 4.7 mi from the city center, Isle of Islay Glenegedale is the airport most travelers will use when flying to Isle of Islay from London Heathrow. Booking flights from London Heathrow to Glenegedale (ILY) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

  • How long is the flight from London Heathrow Airport to Isle of Islay?

    There are many flights that can get you from London Heathrow Airport to Isle of Islay in 11h 25m. Fly via British Airways to get the fastest option. The distance between London Heathrow Airport and Isle of Islay is about 375 mi.

  • Can I find deals for flights from Heathrow to Isle of Islay that include hotel bookings?

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

  • How can I find direct flights from Heathrow to Isle of Islay?

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

  • Can I find deals for business class flights from Heathrow to Isle of Islay?

    Yes. Cheapflights offers flight deals from Heathrow to Isle of Islay 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 London Heathrow Airport to Isle of Islay?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Isle of Islay (average of £62). Flying from London Heathrow Airport to Isle of Islay in November is currently the most expensive (average of £80). 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

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Alternative routes for Heathrow to Isle of Islay

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Heathrow to Isle of Islay?

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Can Cheapflights find flights from Heathrow to Isle of Islay with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Isle of Islay with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Isle of Islay become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Isle of Islay on Cheapflights with our Price Alert feature and get notified when better prices are available.

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