Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London to Mariehamn from £173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Mariehamn departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Mariehamn

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:00 - 10:35STN  London Stansted-MHQ Mariehamn
35h 35m2 stops Gdansk Rebiechowo Stockholm Arlanda
Multiple Airlines Logo
17:10 - 22:25MHQ  Mariehamn-STN London Stansted
7h 15m1 stop Stockholm Arlanda
£212Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
17:10 - 10:35STN  London Stansted-MHQ Mariehamn
15h 25m1 stop Stockholm Arlanda
Multiple Airlines Logo
17:10 - 22:25MHQ  Mariehamn-STN London Stansted
7h 15m1 stop Stockholm Arlanda
£223Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
06:40 - 21:35STN  London Stansted-MHQ Mariehamn
12h 55m1 stop Stockholm Arlanda
Multiple Airlines Logo
17:10 - 13:30MHQ  Mariehamn-STN London Stansted
22h 20m1 stop Stockholm Arlanda
£228Multiple Airlines
Fri, 25 Sep - Fri, 2 Oct
Multiple Airlines Logo
11:05 - 10:35STN  London Stansted-MHQ Mariehamn
21h 30m2 stops Kaunas Stockholm Arlanda
Multiple Airlines Logo
16:00 - 17:15MHQ  Mariehamn-STN London Stansted
27h 15m1 stop Stockholm Arlanda
£240Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
19:50 - 20:00STN  London Stansted-MHQ Mariehamn
46h 10m2 stops Riga Intl Stockholm Arlanda
Multiple Airlines Logo
17:10 - 13:30MHQ  Mariehamn-STN London Stansted
22h 20m1 stop Stockholm Arlanda
£243Multiple Airlines
Fri, 25 Sep - Fri, 2 Oct
Multiple Airlines Logo
11:05 - 10:35STN  London Stansted-MHQ Mariehamn
21h 30m2 stops Kaunas Stockholm Arlanda
Multiple Airlines Logo
16:00 - 17:15MHQ  Mariehamn-STN London Stansted
27h 15m1 stop Stockholm Arlanda
£247Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
19:55 - 10:35LGW  London Gatwick-MHQ Mariehamn
12h 40m1 stop Stockholm Arlanda
Multiple Airlines Logo
07:15 - 10:20MHQ  Mariehamn-LGW London Gatwick
5h 05m1 stop Stockholm Arlanda
£259Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
13:10 - 21:35LGW  London Gatwick-MHQ Mariehamn
6h 25m1 stop Stockholm Arlanda
Multiple Airlines Logo
07:15 - 12:30MHQ  Mariehamn-LGW London Gatwick
7h 15m1 stop Stockholm Arlanda
£274Multiple Airlines
Fri, 25 Sep - Fri, 2 Oct
Multiple Airlines Logo
10:55 - 10:35STN  London Stansted-MHQ Mariehamn
21h 40m1 stop Stockholm Arlanda
Multiple Airlines Logo
16:00 - 17:15MHQ  Mariehamn-STN London Stansted
27h 15m1 stop Stockholm Arlanda
£274Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
10:55 - 10:35STN  London Stansted-MHQ Mariehamn
21h 40m1 stop Stockholm Arlanda
Multiple Airlines Logo
16:00 - 17:15MHQ  Mariehamn-STN London Stansted
27h 15m1 stop Stockholm Arlanda
£276Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Finnair flights from London to Mariehamn

Our best Finnair deals on London to Mariehamn flight tickets
Finnair
25 Sept
LHR10:20London Heathrow
9h 45m
1 stop
MHQ22:05Mariehamn
2 Oct
MHQ10:10Mariehamn
12h 30m
1 stop
LHR20:40London Heathrow
£307
Finnair
20 Nov
LHR07:30London Heathrow
12h 15m
1 stop
MHQ21:45Mariehamn
24 Nov
MHQ10:25Mariehamn
6h 50m
1 stop
LHR15:15London Heathrow
£371
Finnair
20 Nov
LHR07:30London Heathrow
12h 15m
1 stop
MHQ21:45Mariehamn
24 Nov
MHQ10:25Mariehamn
6h 50m
1 stop
LHR15:15London Heathrow
£372

momondo 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, momondo users made 279,928 searches. Data last updated 16 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

Tue 8/9

21:00-10:35

2 stops35h 35m

Mariehamn

Tue 15/9

17:10-22:25

1 stop7h 15m

£212

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Tue 8/9

17:10-10:35

1 stop15h 25m

Mariehamn

Tue 15/9

17:10-22:25

1 stop7h 15m

£223

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Fri 25/9

06:40-21:35

1 stop12h 55m

Mariehamn

Fri 2/10

17:10-13:30

1 stop22h 20m

£228

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Sun 27/9

11:05-10:35

2 stops21h 30m

Mariehamn

Sun 4/10

16:00-17:15

1 stop27h 15m

£240

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Fri 25/9

19:50-20:00

2 stops46h 10m

Mariehamn

Fri 2/10

17:10-13:30

1 stop22h 20m

£243

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Sun 27/9

11:05-10:35

2 stops21h 30m

Mariehamn

Sun 4/10

16:00-17:15

1 stop27h 15m

£247

LondonMariehamn

LGW London Gatwick - MHQ Mariehamn

LGWMHQ

London Gatwick

Tue 8/9

19:55-10:35

1 stop12h 40m

Mariehamn

Tue 15/9

07:15-10:20

1 stop5h 05m

£259
Fastest return journey

LondonMariehamn

LGW London Gatwick - MHQ Mariehamn

LGWMHQ

London Gatwick

Fri 25/9

13:10-21:35

1 stop6h 25m

Mariehamn

Fri 2/10

07:15-12:30

1 stop7h 15m

£274

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Sun 27/9

10:55-10:35

1 stop21h 40m

Mariehamn

Sun 4/10

16:00-17:15

1 stop27h 15m

£274

LondonMariehamn

STN London Stansted - MHQ Mariehamn

STNMHQ

London Stansted

Sun 27/9

10:55-10:35

1 stop21h 40m

Mariehamn

Sun 4/10

16:00-17:15

1 stop27h 15m

£276

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Mariehamn from

How to get the cheapest flight ticket from London to Mariehamn

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Mariehamn?

Finnair is the most popular carrier operating from London to Mariehamn

When to book flights from London to Mariehamn

Are you open to changing your travel dates? Check out the ideal times to fly from London to Mariehamn according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Mariehamn (LON to MHQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Mariehamn

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from London to Mariehamn takes 11h 20m
There are no direct flights from London to Mariehamn. There are no popular flight routes from London to Mariehamn.
Search flight deals

Frequently asked questions about flying from London to Mariehamn

  • How far is London to Mariehamn by plane?

    There are 972.7 mi between London and Mariehamn. By plane, this route typically takes 11h 20m.

  • When did momondo last update prices for flights from London to Mariehamn Airport?

    Prices for flights from London to Mariehamn Airport were last updated today.

  • How old do you have to be to fly from London to Mariehamn Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Mariehamn Airport.

  • What documentation or ID do you need to fly to Mariehamn Airport?

    The necessary travel and health documents for your Mariehamn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Mariehamn?

Finding the right flight to Mariehamn from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Mariehamn quick and easy, saving you time and money.

Can I find flights from London to Mariehamn with flexible booking policies on momondo?

Yes. All flights to Mariehamn from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Mariehamn?

momondo helps you find the best flight between London and Mariehamn by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Mariehamn right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Mariehamn flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Mariehamn trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 15/9
Tue 22/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland