Cheap flights from London to Helsinki from $102 LCY, LGW, LHR, LTN, SEN, STN → HEL
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL)
The cheapest return found recently is $102 with Ryanair, 18 Jan 2027 – 22 Jan 2027, found yesterday. The cheapest one-way found recently is $132 with Finnair, 30 Oct 2027, found 2 days ago.
- Cheapest one-way found recently
- $132, Finnair, found 2 days ago
- Cheapest return found recently
- $102, 18 Jan 2027 to 22 Jan 2027
- Usual return price
- $102 to $126
- Cheapest month to fly
- January 2027, return fares from $84 found in the last 7 days
- Airlines with nonstop flights
- Ryanair, Finnair, Norwegian Air Sweden
- Shortest nonstop flight found
- 2 h 50 min
Return
The cheapest return fare on each of 5 departure dates is usually $102 to $126.
Cheapest return found recently
$102
18 Jan 2027 – 22 Jan 2027 · Ryanair
Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL)
Leaves 3:00 p.m. · Return leaves 11:40 p.m. · 6 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$102
18 Jan 2027 – 22 Jan 2027 · Ryanair
Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL)
Leaves 3:00 p.m. · Return leaves 11:40 p.m. · 6 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$102 18 Jan 2027 – 22 Jan 2027found yesterdaySee prices for these dates
$84 13 Jan 2027 – 22 Jan 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $57 to $134.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 2 Dec to 24 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 18 Jan 2027 to compare.
Every date we hold
78 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 2 Dec – 5 Dec | $124 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 2 Jan 2027 – 6 Jan 2027 | $126 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 13 Jan 2027 – 22 Jan 2027 | $84 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 18 Jan 2027 – 22 Jan 2027 | $102 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 24 May 2027 – 28 May 2027 | $194 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $84.
Airlines on the cheapest dates: Ryanair.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$132
30 Oct 2027 · Finnair
London Heathrow Airport (LHR) → Helsinki-Vantaa Airport (HEL)
Leaves 6:10 p.m. · 2 h 50 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$132
30 Oct 2027 · Finnair
London Heathrow Airport (LHR) → Helsinki-Vantaa Airport (HEL)
Leaves 6:10 p.m. · 2 h 50 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$132 30 Oct 2027found 2 days agoOpen this trip
$103 16 May 2027found 6 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $39 to $224.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 30 Oct 2027 to compare.
Every date we hold
8 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 May 2027 | $103 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | nonstop | found 6 days ago | Open this trip |
| 30 Oct 2027 | $132 | Finnair | London Heathrow Airport (LHR) → Helsinki-Vantaa Airport (HEL) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
May 2027 is the cheapest month — from $103.
Premium cabin fares from London to Helsinki
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 18 Jan 2027 – 22 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 30 Oct 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Helsinki?
Return
Fares 90 to 179 days before departure were typically 49% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $199 | $64 | +95% | 28 |
| 7–13 days | $159 | $57 | +55% | 30 |
| 14–29 days | $168 | $61 | +65% | 39 |
| 30–59 days | $213 | $126 | +109% | 37 |
| 60–89 days | $105 | $74 | +3% | 33 |
| 90–179 days | $102 | $80 | Cheapest seen | 28 |
| 180+ days | $204 | $194 | +100% | 7 |
One-way
Not enough history yet: in 25 days of one-way prices, 24 Sept to 12 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
London → Tallinn
82 km from Helsinki
$144
$42 more than flying to Helsinki
30 Nov – 4 Dec · STN → TLL · out nonstop, back nonstop
found 3 hours ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
London → Tallinn
82 km from Helsinki
$76
$56 less than flying to Helsinki
2 May 2027 · LTN → TLL · nonstop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 18 Jan 2027 – 22 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from London to Helsinki?
The cheapest return found recently is $102 with Ryanair, 18 Jan 2027 to 22 Jan 2027, found yesterday. The cheapest return we hold, of any age, is $84 with Ryanair, 13 Jan 2027 to 22 Jan 2027, found 4 days ago. The cheapest return fare on each of 5 departure dates is usually $102 to $126.
How much is a one-way flight from London to Helsinki?
The cheapest one-way found recently is $132 with Finnair, 30 Oct 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $103 with Ryanair, 16 May 2027, found 6 days ago.
What is the cheapest month to fly from London to Helsinki?
January 2027 is the cheapest month for a return, from $84, 13 Jan 2027 to 22 Jan 2027, found 4 days ago. May 2027 is the cheapest month for a one-way, from $103, 16 May 2027, found 6 days ago.
How far ahead should I book a flight from London to Helsinki?
In 50 days of prices between 24 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 49% lower than 0 to 6 days before departure.
Is there a direct flight from London to Helsinki?
Yes, the cheapest nonstop return found recently is $102 with Ryanair, 18 Jan 2027 to 22 Jan 2027, found yesterday. The cheapest nonstop one-way found recently is $132 with Finnair, 30 Oct 2027, found 2 days ago.
How long is the flight from London to Helsinki?
The cheapest nonstop one-way found recently, with Finnair on 30 Oct 2027, takes 2 h 50 min from London Heathrow Airport (LHR) to Helsinki-Vantaa Airport (HEL).
Which airlines have the cheapest flights from London to Helsinki?
Between 2 Dec and 24 May 2027, Ryanair has the cheapest return on all 5 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work