$85 Find Cheap Flights from Helsinki to London - Compare and Save

Among airlines operating Helsinki to London Heathrow Airport flights:

• Finnair: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Finnair operates flights between Helsinki and London Heathrow Airport.

Flights from Helsinki to London Heathrow Airport usually depart from Helsinki-Vantaa (HEL) and arrive at London Heathrow (LHR).

Here are some options for this route, based on selected ticket types and cabin classes:

• Finnair: a cabin bag and a checked bag in Economy Class
• British Airways: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Helsinki to London Heathrow Airport:

• Economy Class
• Business Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $245 round-trip via Stockholm Arlanda (ARN), compared to $357 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $37–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321 (sharklets) family is used most often on this route, operated mainly by British Airways. Other aircraft seen on the route include Airbus A350-900 variants.

One-stop flights from Helsinki to London Heathrow Airport most commonly connect through:

• Stockholm Arlanda (ARN) - 38% of one-stop connections
• Kastrup Copenhagen (CPH) - 37% of one-stop connections
• Amsterdam Schiphol (AMS) - 20% of one-stop connections
• Munich Franz Josef Strauss (MUC) - 3% of one-stop connections

Stockholm Arlanda (ARN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 12% on the Helsinki to London Heathrow Airport route. Monday is the cheapest departure day at $325 round-trip on average, while Sunday is the most expensive at $367, a difference of $42. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Helsinki to London Heathrow Airport route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 35 minutes.

Afternoon is the busiest departure period on Helsinki to London Heathrow Airport flights, with 50% of flights leaving in that window. Morning departures account for 25%, evening flights for 25%, and night flights for 0%.

Some of the most popular sights in London Heathrow Airport are Hyde Park, Buckingham Palace and Trafalgar Square. These are among the most viewed places in London Heathrow Airport on KAYAK.

These are the earliest and latest flight times available from Helsinki to London Heathrow Airport:

• Earliest: departs at 7:50 am and lands at 11:00 am
• Latest: departs at 7:35 pm and lands at 10:45 pm.

The flight takes about 3h 10m.

Last-minute fares on this route - booked within 2 weeks of departure - run 17% above the route average of $341. Book 21 weeks before departure for the lowest fares.

A nonstop flight from Helsinki to London Heathrow Airport takes 3h 10m, covering 1,147 miles.

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.

One-way fares from Helsinki to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $94, which is 48% below the typical average for this route.

Finnair is the only airline operating Helsinki to London Heathrow Airport flights. 84% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Kastrup Copenhagen (CPH) gives the shortest average 1-stop total travel time at 5h 33m, compared with 5h 44m via Amsterdam Schiphol (AMS) and 6h 22m via Paris Charles de Gaulle (CDG).

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

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Round-trip flights from Helsinki to London Heathrow Airport range from $268 to $426, with an average of $341 over the past 12 months. Anything below $268 counts as a good deal.

Finnair is the only airline on the Helsinki to London Heathrow Airport route offering in-flight Wi-Fi. Pricing depends on fare class.