Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Thessaloniki?

Flights via Stuttgart (STR) offer the fastest connection on this route, with an average stopover time of 1h 15m.

What’s the fastest stopover option from London Heathrow Airport to Thessaloniki?

Flights via Stuttgart (STR) have the shortest average one-way travel time for one-stop routes: 4h 45m.

What’s the top stopover airport for flights from London Heathrow Airport to Thessaloniki?

Vienna (VIE) – chosen by Cheapflights users on 24% of one-stop itineraries from London Heathrow Airport to Thessaloniki on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Thessaloniki?

Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £178.

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

There are many flights that can get you from London Heathrow Airport to Thessaloniki in 5h 15m. Fly via Air Serbia or SWISS to get the fastest option. The distance from London Heathrow Airport to Thessaloniki is about 1345 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from London Heathrow Airport to Thessaloniki round-trip?

easyJet, at £58, was found to be the cheapest airline from London Heathrow Airport to Thessaloniki.Alternate airlines flying return to your destination include Aegean Airlines and Austrian Airlines. You may be able to fly from London Heathrow Airport to Thessaloniki for 77% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Thessaloniki ranges from 20.0 - 55.0 inches per month. December is typically the wettest month, when rainfall can reach 55.0 mm. August is typically the driest time to visit Thessaloniki when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Thessaloniki, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the cheapest flights from London Heathrow Airport to Thessaloniki?

While on average a flight from London Heathrow Airport to Thessaloniki is generally £193, our data shows the cheapest flight currently is £89. When looking at the most popular route, (London Heathrow - Thessaloniki Makedonia), you can expect to pay £135 for that flight.

What are the most popular airlines that fly from London Heathrow Airport to Thessaloniki?

The most popular airlines flying from London Heathrow Airport to Thessaloniki are Aegean Airlines, British Airways and Eurowings. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from London Heathrow Airport to Thessaloniki?

Travelers have found that booking a Monday departure is the best way to save up to 50% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from London Heathrow Airport to Thessaloniki?

The best pricing can be found in the month of March. Prices to Thessaloniki from London Heathrow Airport average £186. You can even find prices in March for less than £186, as users have found deals to Thessaloniki from as low as £38. The month of December appears to be one of the more expensive times to travel to Thessaloniki from London Heathrow Airport. Flying in the targeted month can save you up to 55%.

What airport do you fly into for flights to Thessaloniki from London Heathrow?

Most people fly into Thessaloniki Makedonia (SKG) if they book a flight to Thessaloniki from London Heathrow. On average, Thessaloniki Makedonia has 0 inbound flights from London Heathrow per day from 7 airlines. Thessaloniki Makedonia is conveniently located just 8.4 mi from Thessaloniki’s city center.

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

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

How can I find direct flights from Heathrow to Thessaloniki?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Thessaloniki 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+ Flights from London Heathrow Airport to Thessaloniki

Cheapflights Tip: The best prices from London Heathrow to Thessaloniki Makedonia are usually found in March or January, booked 25 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Heathrow to Thessaloniki

Round-trip from	£135
One-way from	£71
Popular in	December
Cheapest in	March
Average price	£270
Good round-trip deal	£174 or less
Good one-way deal	£94 or less

British Airways
5/10-11/10
Nonstop
6h 55m total
London to Thessaloniki

Search Deals

British Airways
20/10
Nonstop
3h 20m total
London to Thessaloniki

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Thessaloniki Makedonia.

Search Deals

Price to beat on a one-way flight from London Heathrow to Thessaloniki Makedonia.

Search Deals

Find flight deals from Heathrow to Thessaloniki

Cheapest flights from Heathrow to Thessaloniki
Explore the most affordable flight options available from Heathrow to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Sun 5/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Sat 11/1015:45SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£135

Fri 28/1113:20LHR - SKG

1 stop24h 15mAir Serbia

Thu 4/1216:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 14/9£155

Thu 30/1006:00LHR - SKG

1 stop5h 15mSWISS

Thu 6/1114:05SKG - LHR

1 stop5h 45mSWISS

Deal found 15/9£156

Mon 10/1113:20LHR - SKG

1 stop24h 15mAir Serbia

Mon 17/1116:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 15/9£158

Mon 13/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Fri 17/1016:15SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 15/9£159

Fri 5/1213:20LHR - SKG

1 stop24h 15mMultiple Airlines

Fri 12/1209:10SKG - LHR

1 stop14h 05mMultiple Airlines

Deal found 14/9£163

Sat 1/1106:00LHR - SKG

1 stop5h 15mMultiple Airlines

Wed 5/1112:30SKG - LHR

1 stop9h 05mMultiple Airlines

Deal found 15/9£165

Best flights from Heathrow to Thessaloniki
Discover carefully curated flight deals from Heathrow to Thessaloniki that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Thu 15/113:20LHR - SKG

1 stop24h 00mAir Serbia

Mon 26/116:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 15/9£155

Thu 30/1006:00LHR - SKG

1 stop5h 15mSWISS

Thu 6/1114:05SKG - LHR

1 stop5h 45mSWISS

Deal found 14/9£170

Mon 19/106:00LHR - SKG

1 stop7h 15mMultiple Airlines

Sat 24/114:05SKG - LHR

1 stop5h 45mMultiple Airlines

Deal found 15/9£180

Sat 17/106:00LHR - SKG

1 stop5h 15mSWISS

Sat 24/114:05SKG - LHR

1 stop5h 45mSWISS

Deal found 15/9£178

Wed 21/113:20LHR - SKG

1 stop24h 15mAir Serbia

Wed 28/116:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 15/9£185

Tue 2/1213:20LHR - SKG

1 stop24h 00mAir Serbia

Sat 6/1216:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 14/9£185

Wed 22/1018:40LHR - SKG

1 stop15h 50mSWISS

Tue 28/1014:05SKG - LHR

1 stop5h 45mSWISS

Deal found 15/9£188

Sat 29/1113:20LHR - SKG

1 stop24h 00mAir Serbia

Fri 5/1204:40SKG - LHR

1 stop9h 40mAir Serbia

Deal found 15/9£185

Thu 15/113:20LHR - SKG

1 stop24h 00mAir Serbia

Sat 24/116:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 15/9£185

Sun 18/113:20LHR - SKG

1 stop11h 55mAir Serbia

Tue 27/116:05SKG - LHR

1 stop22h 15mAir Serbia

Deal found 15/9£185

Direct flights from Heathrow to Thessaloniki
Explore direct flight options from Heathrow to Thessaloniki based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2025.

Sun 5/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Sat 11/1015:45SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£135

Mon 13/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Fri 17/1016:15SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 15/9£159

Fri 10/1009:05LHR - SKG

Nonstop3h 20mBritish Airways

Fri 17/1016:15SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 16/9£173

Fri 17/1009:05LHR - SKG

Nonstop3h 20mBritish Airways

Sun 19/1013:25SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£199

Sun 12/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Sun 19/1013:25SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£201

Fri 17/1009:05LHR - SKG

Nonstop3h 20mBritish Airways

Mon 20/1013:30SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£216

Mon 13/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Mon 20/1013:30SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£216

Mon 6/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Mon 13/1013:30SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 15/9£221

Sun 5/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Sun 12/1013:25SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£233

Last-minute flights from Heathrow to Thessaloniki
Discover last-minute flight deals from Heathrow to Thessaloniki. Data last updated 16 September 2025 and is based on user searches.

Sun 5/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Sat 11/1015:45SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 14/9£135

Fri 10/1009:05LHR - SKG

Nonstop3h 20mBritish Airways

Fri 17/1016:15SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 16/9£173

Mon 13/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Fri 17/1016:15SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 15/9£159

Mon 13/1007:15LHR - SKG

Nonstop3h 20mMultiple Airlines

Mon 20/1016:10SKG - LHR

1 stop22h 20mMultiple Airlines

Deal found 15/9£171

Fri 17/1009:05LHR - SKG

Nonstop3h 20mMultiple Airlines

Sun 19/1023:05SKG - LHR

1 stop24h 05mMultiple Airlines

Deal found 14/9£174

Fri 17/1006:00LHR - SKG

1 stop4h 35mMultiple Airlines

Tue 21/1015:35SKG - LHR

1 stop6h 05mMultiple Airlines

Deal found 14/9£174

Tue 21/1022:15LHR - SKG

1 stop10h 20mMultiple Airlines

Sun 2/1114:00SKG - LHR

1 stop21h 35mMultiple Airlines

Deal found 15/9£172

Thu 30/1006:00LHR - SKG

1 stop5h 15mSWISS

Thu 6/1114:05SKG - LHR

1 stop5h 45mSWISS

Deal found 15/9£156

Fri 31/1006:00LHR - SKG

1 stop5h 15mSWISS

Tue 4/1114:05SKG - LHR

1 stop5h 45mSWISS

Deal found 14/9£176

One-way flights from Heathrow to Thessaloniki
Search for one-way flight options from Heathrow to Thessaloniki. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Mon 20/1007:15LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 15/9£71

Sat 11/1006:05LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 15/9£74

Fri 17/1009:05LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 15/9£74

Sun 5/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 14/9£77

Sun 12/1006:10LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 15/9£82

Mon 22/907:15LHR - SKG

Nonstop3h 20mBritish Airways

Deal found 15/9£84

Wed 15/1013:30LHR - SKG

1 stop23h 55mAir Serbia

Deal found 15/9£86

Sat 11/1019:55LHR - SKG

1 stop17h 25mAir Serbia

Deal found 14/9£92

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Thu 15/1

13:20-15:20

1 stop24h 00m

Thessaloniki Makedonia

Mon 26/1

16:05-12:20

1 stop22h 15m

£155

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Thu 30/10

06:00-13:15

1 stop5h 15m

Thessaloniki Makedonia

Thu 6/11

14:05-17:50

1 stop5h 45m

£170

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Sat 17/1

06:00-13:15

1 stop5h 15m

Thessaloniki Makedonia

Sat 24/1

14:05-17:50

1 stop5h 45m

£178

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Mon 19/1

06:00-15:15

1 stop7h 15m

Thessaloniki Makedonia

Sat 24/1

14:05-17:50

1 stop5h 45m

£180

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Wed 21/1

13:20-15:35

1 stop24h 15m

Thessaloniki Makedonia

Wed 28/1

16:05-12:20

1 stop22h 15m

£185

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Tue 2/12

13:20-15:20

1 stop24h 00m

Thessaloniki Makedonia

Sat 6/12

16:05-12:20

1 stop22h 15m

£185

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Sat 29/11

13:20-15:20

1 stop24h 00m

Thessaloniki Makedonia

Fri 5/12

04:40-12:20

1 stop9h 40m

£185

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Thu 15/1

13:20-15:20

1 stop24h 00m

Thessaloniki Makedonia

Sat 24/1

16:05-12:20

1 stop22h 15m

£185

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Sun 18/1

13:20-03:15

1 stop11h 55m

Thessaloniki Makedonia

Tue 27/1

16:05-12:20

1 stop22h 15m

£185

LondonThessaloniki

LHR - SKG

LHRSKG

London Heathrow

Wed 22/10

18:40-12:30

1 stop15h 50m

Thessaloniki Makedonia

Tue 28/10

14:05-17:50

1 stop5h 45m

£188

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 20 results

Best time to book a flight from Heathrow to Thessaloniki

Have a flexible travel schedule? Discover the best time to fly to Thessaloniki 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 Thessaloniki

Prices

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Thessaloniki, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Thessaloniki (average of £97). Flying from London Heathrow Airport to Thessaloniki in August is currently the most expensive (average of £354). 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 LHR to SKG?

It’s optimal to fly from London Heathrow Airport to Thessaloniki in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Thessaloniki?

Travellers seeking maximum savings on their London Heathrow Airport to Thessaloniki flight should consider departing on Friday at midday when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Thessaloniki

Check out reviews from past customers who have flown with Aegean Airlines, Austrian Airlines, andLufthansa from London Heathrow Airport to Thessaloniki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.1

Very Good

787 reviews

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

850 reviews

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Lufthansa

6.8

Okay

7,407 reviews

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

British Airways

6.7

Okay

7,361 reviews

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Eurowings

6.6

Okay

281 reviews

Aegean Airlines

8.1

Very Good

787 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What airport do you fly into for flights to Thessaloniki from London Heathrow?
Most people fly into Thessaloniki Makedonia (SKG) if they book a flight to Thessaloniki from London Heathrow. On average, Thessaloniki Makedonia has 0 inbound flights from London Heathrow per day from 7 airlines. Thessaloniki Makedonia is conveniently located just 8.4 mi from Thessaloniki’s city center.
How long is the flight from London Heathrow Airport to Thessaloniki?
There are many flights that can get you from London Heathrow Airport to Thessaloniki in 5h 15m. Fly via Air Serbia or SWISS to get the fastest option. The distance from London Heathrow Airport to Thessaloniki is about 1345 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Thessaloniki round-trip?
easyJet, at £58, was found to be the cheapest airline from London Heathrow Airport to Thessaloniki.Alternate airlines flying return to your destination include Aegean Airlines and Austrian Airlines. You may be able to fly from London Heathrow Airport to Thessaloniki for 77% less than the average price by searching for these airlines.
What are the cheapest flights from London Heathrow Airport to Thessaloniki?
While on average a flight from London Heathrow Airport to Thessaloniki is generally £193, our data shows the cheapest flight currently is £89. When looking at the most popular route, (London Heathrow - Thessaloniki Makedonia), you can expect to pay £135 for that flight.
Can I find deals for flights from Heathrow to Thessaloniki that include hotel bookings?
Yes. In addition to deals on Heathrow to Thessaloniki flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Thessaloniki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Thessaloniki.
Can I find deals for business class flights from Heathrow to Thessaloniki?
Yes. Cheapflights offers flight deals from Heathrow to Thessaloniki 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 Thessaloniki?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Thessaloniki (average of £97). Flying from London Heathrow Airport to Thessaloniki in August is currently the most expensive (average of £354). 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.

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Other flights to Thessaloniki

Top 7 airlines flying from Heathrow to Thessaloniki

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£58	Average£217	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aegean Airlines	Cheapest£152	Average£195	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Austrian Airlines	Cheapest£157	Average£194	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
British Airways	Cheapest£162	Average£304	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£170	Average£223	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Eurowings	Cheapest£183	Average£225	FlexibilityNo cancel fee	On-time87%	Search Eurowings flights
Lufthansa	Cheapest£203	Average£295	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Heathrow to Thessaloniki 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 Heathrow to Thessaloniki?

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 Thessaloniki from Heathrow.

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

Need flexible booking options for your flight to Thessaloniki from Heathrow? 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 Heathrow to Thessaloniki become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Thessaloniki 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.

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Cheap flights from London Heathrow Airport to Thessaloniki from £71

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Thessaloniki Makedonia are usually found in March or January, booked 25 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Heathrow to Thessaloniki

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Thessaloniki

Cheapest flights from Heathrow to ThessalonikiExplore the most affordable flight options available from Heathrow to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Heathrow to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Thessaloniki

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Thessaloniki

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

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

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What’s the top stopover airport for flights from London Heathrow Airport to Thessaloniki?

What’s the fastest stopover option from London Heathrow Airport to Thessaloniki?

What’s the fastest stopover option from London Heathrow Airport to Thessaloniki?

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What are the cheapest flights from London Heathrow Airport to Thessaloniki?

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Alternative routes for Heathrow to Thessaloniki

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Top 7 airlines flying from Heathrow to Thessaloniki

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Cheapest flights from Heathrow to Thessaloniki
Explore the most affordable flight options available from Heathrow to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.