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Cheap flights from London to Mariehamn from £153

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHQ
31 Mar — 7 Apr1
1 adult

Find flight deals from London to Mariehamn

One-way flights from London to Mariehamn
Search for one-way flight options from London to Mariehamn. Find affordable one-way fares based on user searches. Data last updated 26 March 2025.

Thu 17/413:00LHR - MHQ
1 stop18h 45mFinnair
Deal found 25/3£153
Wed 16/407:05LHR - MHQ
2 stops12h 30mMultiple Airlines
Deal found 25/3£162

Cheapflights Fare Finder

Customise your flight search to find flights from London to Mariehamn 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 26 March 2025.
Use the filters below to find and compare flights from London to Mariehamn that are best for you.

Fly from

London

Fly to

Mariehamn

Route

Depart

Return

Price

LondonMariehamn

LHR - MHQ

LHRMHQ

London Heathrow

Thu 17/4

13:00-09:45

1 stop18h 45m

£153

LondonMariehamn

LHR - MHQ

LHRMHQ

London Heathrow

Wed 16/4

07:05-21:35

2 stops12h 30m

£162

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Best time to book a flight from London to Mariehamn

Have a flexible travel schedule? Discover the best time to fly to Mariehamn from London 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 to Mariehamn

Rainfall in Mariehamn by month

Plan your trip to Mariehamn by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mariehamn ranges from 20.0 - 70.0 inches per month. August is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Mariehamn when rainfall is around 20.0 mm.

Temperature in Mariehamn by month

Plan your trip to Mariehamn by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mariehamn, 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 15.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -3.0 C).

Reviews of airlines servicing Mariehamn

Get insights into the airlines that provide service to Mariehamn. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mariehamn. Reviews last updated 26 March 2025.
Finnair
7.6
Good
1,266 reviews
Check prices

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,266 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from London to Mariehamn. 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 into for flights to Mariehamn from London?

    Mariehamn (MHQ), located 2.1 mi from the city center, is the airport you fly into when you book flights from London to Mariehamn. 0 airlines have flights to Mariehamn from London on a regular basis. Booking flights from London to Mariehamn should not be difficult; the airport handles an average of 0 inbound flights from London per day.

  • What are the most popular routes from London to Mariehamn?

    While some choose either London Heathrow - Mariehamn or London Stansted - Mariehamn, London Gatwick - Mariehamn is the most popular route from London to Mariehamn.

  • Can I find deals for flights from London to Mariehamn that include hotel bookings?

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

  • How can I find direct flights from London to Mariehamn?

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

  • Can I find deals for business class flights from London to Mariehamn?

    Yes. Cheapflights offers flight deals from London to Mariehamn 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

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