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Cheap flights from Athens to London Heathrow Airport from C$ 121

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — LHR
14 Apr — 21 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Athens Eleftherios V. to London Heathrow are usually found in February or November, booked 71 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Athens to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Athens to Heathrow
Explore the most affordable flight options available from Athens to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 March 2026.

Mon 30/38:50 p.m.
ATH
-
LHR
Nonstop3h 55m
British Airways
Tue 7/48:30 p.m.
LHR
-
ATH
Nonstop3h 40m
British Airways
Deal found 11/3C$ 255
Thu 2/44:20 p.m.
ATH
-
LHR
Nonstop4h 05m
British Airways
Fri 10/42:00 p.m.
LHR
-
ATH
Nonstop3h 55m
British Airways
Deal found 15/3C$ 257
Sat 28/38:05 p.m.
ATH
-
LHR
Nonstop4h 00m
British Airways
Sun 5/48:35 a.m.
LHR
-
ATH
Nonstop3h 45m
British Airways
Deal found 10/3C$ 259
Fri 3/41:20 p.m.
ATH
-
LHR
Nonstop4h 10m
British Airways
Sun 12/46:40 a.m.
LHR
-
ATH
Nonstop3h 45m
British Airways
Deal found 10/3C$ 266
Wed 2/123:00 p.m.
ATH
-
LHR
Nonstop4h 10m
British Airways
Sun 6/127:45 p.m.
LHR
-
ATH
Nonstop3h 40m
British Airways
Deal found 11/3C$ 270
Thu 2/44:20 p.m.
ATH
-
LHR
Nonstop4h 05m
British Airways
Thu 9/48:45 p.m.
LHR
-
ATH
Nonstop3h 40m
British Airways
Deal found 13/3C$ 272
Fri 24/49:20 p.m.
ATH
-
LHR
1 stop23h 45m
Air Serbia
Sun 26/47:25 p.m.
LHR
-
ATH
1 stop12h 10m
Air Serbia
Deal found 10/3C$ 273
Sat 25/44:30 p.m.
ATH
-
LHR
1 stop22h 00m
Air Serbia
Tue 28/41:30 p.m.
LHR
-
ATH
1 stop11h 50m
Air Serbia
Deal found 12/3C$ 274
Sat 4/48:35 p.m.
ATH
-
LHR
Nonstop3h 55m
British Airways
Fri 10/48:35 p.m.
LHR
-
ATH
Nonstop3h 40m
British Airways
Deal found 10/3C$ 278
Wed 4/113:00 p.m.
ATH
-
LHR
Nonstop4h 10m
British Airways
Sun 8/111:05 p.m.
LHR
-
ATH
Nonstop3h 45m
British Airways
Deal found 10/3C$ 280

Find flight deals from Athens to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to Heathrow (LHR). 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 15 March 2026.

Round-trip from

C$ 255

One-way from

C$ 121

Popular in

April

Cheapest in

February

Average price

C$ 351

Good one-way deal

C$ 400 or less
British Airways
  • British Airways
  • 30/3-7/4
  • Nonstop
  • 7h 35m total
  • Athens to London
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Air Serbia
  • Air Serbia
  • 28/3
  • 1 total stop
  • 20h 55m total
  • Athens to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Price to beat on a one-way flight from Athens Eleftherios V. to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Athens 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 629,999 searches. Data last updated 15 March 2026.
Use the filters below to find and compare flights from Athens to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Mon 27/4

8:50 p.m.-10:45 p.m.

Nonstop3h 55m

London Heathrow

Mon 4/5

7:00 a.m.-12:45 p.m.

Nonstop3h 45m

C$ 331

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Sun 5/7

4:30 a.m.-6:40 p.m.

1 stop16h 10m

London Heathrow

Mon 3/8

1:30 p.m.-3:20 a.m.

1 stop11h 50m

C$ 346

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Mon 27/7

4:30 a.m.-12:30 p.m.

1 stop10h 00m

London Heathrow

Sat 1/8

7:55 p.m.-3:20 a.m.

1 stop5h 25m

C$ 370

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Sun 21/6

3:35 p.m.-12:30 p.m.

1 stop22h 55m

London Heathrow

Wed 24/6

1:30 p.m.-9:35 a.m.

1 stop18h 05m

C$ 379

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Thu 13/8

10:20 a.m.-12:30 p.m.

1 stop28h 10m

London Heathrow

Sat 15/8

7:55 p.m.-2:50 p.m.

1 stop16h 55m

C$ 402

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Tue 7/7

5:30 p.m.-7:35 p.m.

Nonstop4h 05m

London Heathrow

Sat 8/8

8:20 p.m.-2:00 a.m.

Nonstop3h 40m

C$ 410

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Mon 27/7

7:30 p.m.-9:25 p.m.

Nonstop3h 55m

London Heathrow

Sat 1/8

8:20 p.m.-2:00 a.m.

Nonstop3h 40m

C$ 421

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Tue 28/7

6:00 a.m.-10:45 a.m.

1 stop6h 45m

London Heathrow

Fri 31/7

6:30 a.m.-4:30 p.m.

1 stop8h 00m

C$ 428

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Wed 15/4

8:00 p.m.-9:55 p.m.

Nonstop3h 55m

London Heathrow

Thu 15/10

1:05 p.m.-7:00 p.m.

Nonstop3h 55m

C$ 453

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Mon 20/7

8:50 p.m.-10:45 p.m.

Nonstop3h 55m

London Heathrow

Thu 30/7

7:20 a.m.-1:05 p.m.

Nonstop3h 45m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Athens to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Athens with our price prediction graph.
Estimated round-trip 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 Athens to London Heathrow Airport

How far ahead should I book a flight from Athens to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Athens to Heathrow. Price data was last updated on 6 March 2026.

The price you pay for your flight from Athens to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Athens to London Heathrow Airport (average of C$ 165). Flying from Athens to London Heathrow Airport in April is currently the most expensive (average of C$ 289). 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 ATH to LHR?

Find hourly flight availability from Athens 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 15 March 2026.

One of the essential ways to save on airfare from Athens to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

How much does it cost to fly round-trip from Athens to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Athens to Heathrow. 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 from for flights from Athens to London Heathrow?

    Athens Eleftherios V. (ATH) is the airport you will fly out of if you book a flight from Athens to London Heathrow. You should not have trouble finding flights to London Heathrow from Eleftherios V.; the airport handles an average of 9 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Athens airport to London Heathrow. It is only a 19.7 km journey to Eleftherios V. (ATH) from Athens’s city centre.

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

    There are many flights that can get you from Athens to London Heathrow Airport in 3h 55m. Fly via Air Serbia, British Airways, or SWISS to get the fastest option. Athens and London Heathrow Airport are separated by a distance of 2425 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Athens to London Heathrow Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Athens to London Heathrow Airport on time: Japan Airlines (94%), Air Canada (88%), Aegean Airlines (86%).

  • What are the cheapest flights from Athens to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for C$ 188. While the most popular route (Athens Eleftherios V. - London Heathrow) can be booked for C$ 471 on average, our data indicates C$ 862 when flying from Athens to London Heathrow Airport.

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

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

  • How can I find direct flights from Athens to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Athens 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 Athens to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Athens to London Heathrow Airport (average of C$ 165). Flying from Athens to London Heathrow Airport in April is currently the most expensive (average of C$ 289). 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
Twickenham
Sutton
Gatwick
Slough
Marlow
Cobham
Leamington Spa
Romford
Watford
Bedford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
Moreton-in-Marsh

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Athens to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Athens to Gatwick flights

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

Cheapflights makes it easy to find Athens 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 Athens to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Athens to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes! Start tracking prices for Athens to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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