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Cheap flights from Thessaloniki to London Heathrow Airport from £77

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SKG — LHR
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Sun 1/304:40
SKG
-
LHR
1 stop9h 40m
Air Serbia
Fri 6/313:20
LHR
-
SKG
1 stop11h 55m
Air Serbia
Deal found 24/1£135
Tue 19/516:10
SKG
-
LHR
1 stop22h 20m
Air Serbia
Sun 24/519:25
LHR
-
SKG
1 stop5h 45m
Air Serbia
Deal found 24/1£140
Mon 11/504:25
SKG
-
LHR
1 stop10h 05m
Air Serbia
Sun 24/519:25
LHR
-
SKG
1 stop5h 45m
Air Serbia
Deal found 26/1£142
Sun 15/216:00
SKG
-
LHR
1 stop18h 20m
Multiple Airlines
Sat 21/218:55
LHR
-
SKG
1 stop13h 15m
Multiple Airlines
Deal found 24/1£143
Sun 1/304:40
SKG
-
LHR
1 stop9h 40m
Air Serbia
Wed 11/313:20
LHR
-
SKG
1 stop24h 15m
Air Serbia
Deal found 24/1£143
Mon 16/216:00
SKG
-
LHR
1 stop7h 40m
Multiple Airlines
Mon 23/220:05
LHR
-
SKG
1 stop15h 10m
Multiple Airlines
Deal found 25/1£144
Sat 9/504:25
SKG
-
LHR
1 stop10h 05m
Air Serbia
Sun 24/519:25
LHR
-
SKG
1 stop5h 45m
Air Serbia
Deal found 26/1£146
Fri 27/204:40
SKG
-
LHR
1 stop9h 40m
Air Serbia
Wed 4/313:20
LHR
-
SKG
1 stop24h 15m
Air Serbia
Deal found 25/1£148
Fri 27/216:00
SKG
-
LHR
1 stop7h 40m
Austrian Airlines
Sun 1/306:00
LHR
-
SKG
1 stop7h 15m
Austrian Airlines
Deal found 24/1£151
Fri 27/216:00
SKG
-
LHR
1 stop7h 40m
Multiple Airlines
Thu 5/306:00
LHR
-
SKG
1 stop5h 15m
Multiple Airlines
Deal found 25/1£152
Sun 8/316:00
SKG
-
LHR
1 stop7h 40m
Multiple Airlines
Tue 17/306:00
LHR
-
SKG
1 stop5h 15m
Multiple Airlines
Deal found 25/1£153

Find 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 January 2026.

Round-trip from

£136

One-way from

£77

Popular in

August

Cheapest in

March

Average price

£194
Air Serbia
  • Air Serbia
  • 1/3-6/3
  • 2 total stops
  • 21h 35m total
  • Thessaloniki to London
Search Deals
Aegean Airlines
  • Aegean Airlines
  • 11/3
  • 1 total stop
  • 10h 45m total
  • Thessaloniki to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£45 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 2026.
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

Sun 1/3

04:40-12:20

1 stop9h 40m

London Heathrow

Fri 6/3

13:20-03:15

1 stop11h 55m

£135

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 15/5

16:10-12:30

1 stop22h 20m

London Heathrow

Sun 24/5

19:25-03:10

1 stop5h 45m

£143

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 27/2

16:00-21:40

1 stop7h 40m

London Heathrow

Sun 1/3

06:00-15:15

1 stop7h 15m

£151

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 6/2

16:00-21:40

1 stop7h 40m

London Heathrow

Mon 9/2

06:00-15:15

1 stop7h 15m

£156

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 13/4

18:25-09:20

1 stop16h 55m

London Heathrow

Wed 29/4

19:10-10:40

1 stop13h 30m

£170

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Sun 10/5

16:10-12:30

1 stop22h 20m

London Heathrow

Sun 24/5

19:25-03:10

1 stop5h 45m

£175

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 5/6

13:55-09:20

1 stop21h 25m

London Heathrow

Sun 14/6

13:30-03:10

1 stop11h 40m

£176

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Thu 7/5

11:30-19:40

1 stop10h 10m

London Heathrow

Fri 10/7

06:55-18:15

1 stop9h 20m

£184

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Wed 13/5

12:55-17:05

1 stop6h 10m

London Heathrow

Fri 22/5

07:30-18:05

1 stop8h 35m

£185

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Mon 11/5

04:25-12:30

1 stop10h 05m

London Heathrow

Mon 25/5

13:30-15:40

1 stop24h 10m

£186

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 21 results
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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 22% 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 22% 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 and Austrian Airlines can get you from Thessaloniki to London Heathrow Airport in just under 7h 40m. Your travel time can differ by up to 2h. The distance from Thessaloniki to London Heathrow Airport is about 1345 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    £88 is the cheapest one-way deal found within the past few days, from Aegean Airlines. You may also be able to find cheap deals on Eurowings and Lufthansa, with prices starting from £107 and £116, 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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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.
Thessaloniki to Stansted flights
Thessaloniki to London City flights
Thessaloniki to Luton flights
Thessaloniki to Gatwick flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Thessaloniki 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 Thessaloniki to Heathrow?

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.

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

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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