Cheap flights from Thessaloniki to London Heathrow Airport from £61

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
SKG — LHR
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thessaloniki to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Thessaloniki (SKG) 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 27 November 2025.

Round-trip from

£136

One-way from

£61

Popular in

August

Cheapest in

April

Average price

£276
Aegean Airlines
  • Aegean Airlines
  • 9/2-16/2
  • 2 total stops
  • 19h 55m total
  • Thessaloniki to London
Air Serbia
  • Air Serbia
  • 25/5
  • 1 total stop
  • 22h 25m total
  • Thessaloniki to London
Highest demand for flights based on searches. 21% potential increase in price (£47 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find flight deals from Thessaloniki to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Thessaloniki to Heathrow
Explore the most affordable flight options available from Thessaloniki to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Tue 23/1216:05SKG - LHR
1 stop22h 15mMultiple Airlines
Tue 30/1206:30LHR - SKG
1 stop28h 30mMultiple Airlines
Deal found 25/11£167
Thu 4/1218:20SKG - LHR
1 stop5h 40mLOT
Thu 11/1206:30LHR - SKG
1 stop8h 50mLOT
Deal found 25/11£169
Sun 7/1210:55SKG - LHR
1 stop7h 25mSWISS
Thu 11/1206:00LHR - SKG
1 stop5h 15mSWISS
Deal found 25/11£170
Fri 12/1216:00SKG - LHR
1 stop7h 40mMultiple Airlines
Tue 16/1206:00LHR - SKG
1 stop5h 15mMultiple Airlines
Deal found 26/11£173
Mon 8/1218:20SKG - LHR
1 stop5h 40mLOT
Thu 11/1206:30LHR - SKG
1 stop8h 50mLOT
Deal found 25/11£174
Fri 19/1216:05SKG - LHR
1 stop22h 15mAir Serbia
Fri 9/113:20LHR - SKG
1 stop24h 15mAir Serbia
Deal found 25/11£175
Sun 7/1204:40SKG - LHR
1 stop9h 40mAir Serbia
Tue 9/1213:20LHR - SKG
1 stop24h 00mAir Serbia
Deal found 25/11£176
Thu 27/1118:20SKG - LHR
1 stop5h 40mLOT
Sat 31/106:30LHR - SKG
1 stop28h 30mLOT
Deal found 26/11£176
Wed 3/1214:00SKG - LHR
1 stop10h 00mLOT
Tue 9/1218:20LHR - SKG
1 stop16h 40mLOT
Deal found 25/11£178
Mon 22/1216:05SKG - LHR
1 stop22h 15mMultiple Airlines
Sat 27/1206:30LHR - SKG
1 stop28h 30mMultiple Airlines
Deal found 25/11£180
Thu 4/1218:20SKG - LHR
1 stop5h 40mLOT
Tue 9/1218:20LHR - SKG
1 stop16h 40mLOT
Deal found 25/11£182
Wed 31/1214:00SKG - LHR
1 stop21h 35mLOT
Sun 4/110:35LHR - SKG
1 stop28h 45mLOT
Deal found 24/11£183

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thessaloniki 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 27 November 2025.
Use the filters below to find and compare flights from Thessaloniki to London Heathrow Airport that are best for you.

Fly from

Thessaloniki

Fly to

Heathrow

Route

Depart

Return

Price

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 12/1

16:05-12:20

1 stop22h 15m

London Heathrow

Wed 21/1

13:20-15:35

1 stop24h 15m

£136

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Sun 25/1

04:40-12:20

1 stop9h 40m

London Heathrow

Fri 30/1

13:20-15:35

1 stop24h 15m

£137

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 11/5

04:45-12:35

1 stop9h 50m

London Heathrow

Sat 16/5

19:55-15:20

1 stop17h 25m

£142

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 13/4

04:45-12:35

1 stop9h 50m

London Heathrow

Sat 18/4

13:30-15:20

1 stop23h 50m

£143

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 16/1

16:00-21:40

1 stop7h 40m

London Heathrow

Thu 22/1

06:00-13:15

1 stop5h 15m

£157

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 6/2

09:10-15:30

1 stop8h 20m

London Heathrow

Fri 6/2

22:15-08:00

1 stop7h 45m

£159

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 27/2

16:05-12:20

1 stop22h 15m

London Heathrow

Mon 2/3

13:20-15:35

1 stop24h 15m

£165

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Tue 20/1

16:05-12:20

1 stop22h 15m

London Heathrow

Mon 26/1

13:20-15:35

1 stop24h 15m

£165

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 25/5

16:10-12:35

1 stop22h 25m

£61

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 16/1

04:40-12:20

1 stop9h 40m

£64

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Thessaloniki to Heathrow

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

How often are flights from Thessaloniki to London delayed?

About 21% of weekly flights between Thessaloniki and London have experienced delays in the past year, with the average delay time being 93 minutes.

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

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

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

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

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 21% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Thessaloniki 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 Thessaloniki to London Heathrow?

    Most people fly from Thessaloniki Makedonia (SKG) if they book a flight from Thessaloniki to London Heathrow. On average, Thessaloniki Makedonia has 0 outbound flights to London Heathrow per day from 0 airlines. Thessaloniki Makedonia is conveniently located just 8.4 mi from Thessaloniki’s city center.

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

    Air Serbia can get you from Thessaloniki to London Heathrow Airport in just under 22h 15m. Your travel time can differ by up to . The distance from Thessaloniki to London Heathrow Airport is about 1345 mi.

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

    £61 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Aegean Airlines and LOT, with prices starting from £79 and £82, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thessaloniki 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.

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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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Alternative routes for Thessaloniki to Heathrow

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

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Thessaloniki.

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

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