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Cheap flights from London to Mariehamn from £174

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHQ
8 Jul — 15 Jul1
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 3 July 2025.

Sat 16/818:30STN - MHQ
2 stops23h 30mMultiple Airlines
Deal found 2/7£174
Sat 16/818:10LHR - MHQ
1 stop25h 55mFinnair
Deal found 2/7£213
Sat 16/806:40LHR - MHQ
3 stops37h 25mMultiple Airlines
Deal found 2/7£319
Sat 16/820:25LGW - MHQ
3 stops23h 40mMultiple Airlines
Deal found 2/7£319

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 3 July 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

STN - MHQ

STNMHQ

London Stansted

Sat 16/8

18:30-20:00

2 stops23h 30m

£174

LondonMariehamn

LHR - MHQ

LHRMHQ

London Heathrow

Sat 16/8

18:10-22:05

1 stop25h 55m

£213

LondonMariehamn

LHR - MHQ

LHRMHQ

London Heathrow

Sat 16/8

06:40-22:05

3 stops37h 25m

£319

LondonMariehamn

LGW - MHQ

LGWMHQ

London Gatwick

Sat 16/8

20:25-22:05

3 stops23h 40m

£319

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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
No data available for this route at this time. Please check back soon.

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 3 July 2025.
Check out reviews from past customers who have flown with Finnair from London to Mariehamn 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.
Finnair
7.6
Good
1,301 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,301 reviews
Finnair
7.6
Good
1,301 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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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