Cheap flights from London to Helsinki from C$ 90
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 Helsinki 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.
Discover deals from 900+ travel sites with momondo.
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? Early arrival? Instantly customize your resultsTrusted 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.Find the cheapest flights from London to Helsinki
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Norwegian flights from London to Helsinki
Our best Norwegian deals on London to Helsinki flight tickets
British Airways flights from London to Helsinki
Our best British Airways deals on London to Helsinki flight tickets
See travel insights to Helsinki from
How to get the cheapest flight ticket from London to Helsinki
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 month to fly to Helsinki?
The month of November is, on average, the cheapest month to fly to Helsinki from London, with most prices found around C$ 112. The month of March is another great option to travel to Helsinki, with average flight prices from London averaging around C$ 189.
What is the cheapest day to depart on your flight to Helsinki?
The cheapest day to depart on your flight to Helsinki is on a Saturday when prices can be found for as low as C$ 354. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London to Helsinki for around C$ 884.
What is the cheapest time of day to depart on your flight to Helsinki?
In the afternoon is the cheapest time of day to fly from London to Helsinki when you can find flight prices for as low as C$ 449. Flying to Helsinki in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of C$ 808.
What is the cheapest London to Helsinki-Vantaa flight route?
Fly from London Heathrow to Helsinki-Vantaa for the best London - Helsinki-Vantaa flight prices
How far in advance should I book a flight to Helsinki?
You are more likely to see cheaper flights to Helsinki from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around C$ 385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from London for as low as C$ 324 on momondo.
What cabin class options are available on London to Helsinki-Vantaa flights?
There are 2 cabin classes available to choose from on London to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on London to Helsinki flights?
You could potentially save up to 19% on your flight if you consider stops on a London to Helsinki flight.
How have London to Helsinki flight prices changed over time?
As of July 2025, prices for London to Helsinki flights are approximately 2% more expensive when compared to flights at the same time last year.
How many flights depart from London to Helsinki on average per week?
As of July 2025, there are 3 flights per week flying from London to Helsinki. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.
When to book flights from London to Helsinki
Cheap London to Helsinki (LON to HEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Helsinki
Best price found | C$ 90 |
|---|---|
Fastest flight time | 2h 50m |
Direct flights | Mon, Tue, Thu, Fri and Sat |
Airports in Helsinki | 1 airport |
How far is London to Helsinki-Vantaa by plane?
A flight from London to Helsinki-Vantaa will travel around 1819.6 km. By plane, this route typically takes 2h 50m.
When did momondo last update prices for flights from London to Helsinki-Vantaa Airport?
Prices for flights from London to Helsinki-Vantaa Airport were last updated today.
How old do you have to be to fly from London to Helsinki-Vantaa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Helsinki?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Helsinki is Airbus A350-900 (20.50% of total bookings). The next most popular plane models are Airbus A321 (sharklets) (15.34%), Airbus A350-1000 (11.89%), and Boeing 737 MAX 8 (10.89%).
Best airlines flying from London to Helsinki
Compare and see reviews for airlines that fly from London to Helsinki with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 279 | Free Cancellation | Rating 7.6 1,303 reviews |
Finnair Flights From London to Helsinki
Finnair flies from London to Helsinki around 37 times per week, with 1,303 momondo users rating the airline 7.6/10. The cheapest Finnair deal from London to Helsinki in the last 72 hours was C$ 205 (round-trip), much lower than the average airfare cost of C$ 270 for Finnair flights on this route.
Travelling to a place near Helsinki?
Book flights to Helsinki if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Helsinki?
Finding the right flight to Helsinki from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Helsinki quick and easy, saving you time and money.
Can I find flights from London to Helsinki with flexible booking policies on momondo?
momondo does allow users to show only those flights to Helsinki from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Helsinki?
momondo helps you find the best flight between London and Helsinki 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 Helsinki right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Helsinki from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.