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Cheap flights from London to Mariehamn from £157

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MHQ
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Mariehamn

Enter your travel dates to find the best prices.

Cheapest flights from London to Mariehamn
Explore the most affordable flight options available from London to Mariehamn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Fri 18/906:40 -
1 stop12h 55m
Fri 25/917:10 -
2 stops31h 50m
Deal found 3/8£238
Fri 18/913:10 -
1 stop6h 25m
Fri 25/917:10 -
1 stop21h 20m
Deal found 3/8£294
Fri 18/907:30 -
1 stop12h 35m
Fri 25/910:10 -
1 stop8h 55m
Deal found 3/8£297
Fri 18/913:55 -
1 stop5h 40m
Fri 25/917:10 -
2 stops16h 30m
Deal found 3/8£301
Fri 21/806:40 -
1 stop12h 55m
Fri 28/807:15 -
2 stops17h 40m
Deal found 3/8£350
Fri 21/813:55 -
1 stop5h 40m
Fri 28/817:10 -
2 stops18h 00m
Deal found 3/8£350
Thu 1/1018:10 -
1 stop25h 55m
Mon 5/1022:25 -
1 stop12h 45m
Deal found 3/8£367
Fri 21/810:20 -
1 stop9h 45m
Fri 28/822:30 -
1 stop12h 40m
Deal found 3/8£373
Fri 21/813:10 -
1 stop6h 25m
Fri 28/817:10 -
2 stops17h 30m
Deal found 3/8£401

Find flight deals from London to Mariehamn

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Mariehamn (MHQ). 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 7 August 2026.

Round-trip from

£238

One-way from

£157
18/9-25/9
  • 18/9-25/9
  • 3 total stops
  • 44h 45m total
  • London to Mariehamn
Search Deals
Finnair
  • Finnair
  • 10/9
  • 1 total stop
  • 13h 35m total
  • London to Mariehamn
Search Deals

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 7 August 2026.
Use the filters below to find and compare flights from London to Mariehamn that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Fri 18/9

06:40-21:35

1 stop12h 55m

Mariehamn

Fri 25/9

17:10-23:00

2 stops31h 50m

£238
Fastest return journey

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Fri 18/9

13:55-21:35

1 stop5h 40m

Mariehamn

Fri 25/9

17:10-07:40

2 stops16h 30m

£301

LondonMariehamn

LGW London Gatwick - MHQ Mariehamn

LGWMHQ

London Gatwick

Fri 18/9

13:10-21:35

1 stop6h 25m

Mariehamn

Fri 25/9

22:30-09:30

2 stops37h 00m

£308

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Fri 21/8

06:40-21:35

1 stop12h 55m

Mariehamn

Fri 28/8

07:15-22:55

2 stops17h 40m

£350

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Fri 21/8

13:55-21:35

1 stop5h 40m

Mariehamn

Fri 28/8

17:10-09:10

2 stops18h 00m

£350

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Thu 1/10

18:10-09:45

1 stop13h 35m

Mariehamn

Mon 5/10

22:25-15:10

1 stop18h 45m

£367

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Fri 21/8

10:20-22:05

1 stop9h 45m

Mariehamn

Fri 28/8

22:30-09:10

1 stop12h 40m

£373

LondonMariehamn

LGW London Gatwick - MHQ Mariehamn

LGWMHQ

London Gatwick

Fri 21/8

13:10-21:35

1 stop6h 25m

Mariehamn

Fri 28/8

17:10-08:40

2 stops17h 30m

£401
Cheapest one-way
Fastest single journey

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Thu 10/9

18:10-09:45

1 stop13h 35m

£157

LondonMariehamn

LHR London Heathrow - MHQ Mariehamn

LHRMHQ

London Heathrow

Thu 10/9

15:00-10:35

2 stops17h 35m

£166

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Sorted by cheapest first

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.

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.

  • How long is the flight from London to Mariehamn?

    There are many flights that can get you from London to Mariehamn in 13h 35m. Fly via Finnair to get the fastest option. London and Mariehamn are separated by a distance of 984 mi.

  • 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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Deals for London to Mariehamn flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Mariehamn?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Mariehamn for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Mariehamn with no change fees?

Need flexible booking options for your flight to Mariehamn from London? 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 London to Mariehamn become cheaper?

Yes! Start tracking prices for London to Mariehamn flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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