£161 Find Cheap Flights from London to Mariehamn – Compare and Save

There are currently no direct flights available from London Heathrow Airport to Mariehamn. Flights with 1 stopover take between 5h 47m and 7h 05m in total, depending on the connection.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £326 to £419. That means the highest observed fare was about 28% higher than the lowest one.

Flights from London Heathrow Airport to Mariehamn usually depart from London Heathrow (LHR) and arrive at Mariehamn (MHQ).

Connecting flights from London Heathrow Airport to Mariehamn most commonly pass through:

• Helsinki-Vantaa (HEL) – 67% of one-stop connections
• Stockholm Arlanda (ARN) – 33% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the London Heathrow Airport to Mariehamn route, being flexible with your departure day can save you up to 40%. Sunday is the cheapest day at £323 return on average, while Monday is the most expensive at £530 – a £207 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Stockholm Arlanda (ARN) gives the shortest average 1-stop total travel time of 5h 47m, compared to 7h 05m via Helsinki-Vantaa (HEL).

Mariehamn is 2 hours ahead of London Heathrow Airport (Eastern European Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.