London to Helsinki 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 $57 with Ryanair, 30 Oct – 13 Nov, found yesterday.
Return
The cheapest return fare on each of 12 departure dates is usually $132 to $204.
Cheapest return found recently
$57
30 Oct – 13 Nov · Ryanair
Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL)
Leaves 5:55 a.m. · Return leaves 11:40 p.m. · 6 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$57
30 Oct – 13 Nov · Ryanair
Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL)
Leaves 5:55 a.m. · Return leaves 11:40 p.m. · 6 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Every nonstop date from London to Helsinki
Found recently, and the cheapest we hold
$57 30 Oct – 13 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $57 to $134.
At $57, the cheapest return found recently is at the low end of that range.
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 return price?
Compared with the cheapest return fare on each of 12 departure dates from 24 Oct to 8 Jan 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 14-night return fares leaving within 3 days of 30 Oct to compare.
Every date we hold
110 fares on 12 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct – 31 Oct | $718 | KLM | London City Airport (LCY) → Helsinki-Vantaa Airport (HEL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 27 Oct – 21 Nov | $184 | Ryanair UK | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out 2 stops, back nonstop | found 6 days ago | See prices for these dates |
| 29 Oct – 18 Nov | $114 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 30 Oct – 13 Nov | $57 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 31 Oct – 16 Nov | $145 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back 1 stop | found yesterday | See prices for these dates |
| 17 Nov – 22 Nov | $171 | Norwegian Air Sweden | London Gatwick Airport (LGW) → Helsinki-Vantaa Airport (HEL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 2 Dec – 7 Dec | $130 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 3 Dec – 8 Dec | $148 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 4 Dec – 8 Dec | $133 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 19 Dec – 5 Jan 2027 | $279 | Vueling | London Gatwick Airport (LGW) → Helsinki-Vantaa Airport (HEL) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 21 Dec – 30 Dec | $265 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 8 Jan 2027 – 13 Jan 2027 | $154 | Ryanair | Stansted Airport (STN) → Helsinki-Vantaa Airport (HEL) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $57.
Airlines on the cheapest dates: Ryanair, KLM, Ryanair UK, Norwegian Air Sweden, Vueling.
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 30 Oct – 13 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Helsinki?
Return
Fares 60 to 89 days before departure were typically 59% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 | $253 | $106 | +141% | 16 |
| 7–13 days | $173 | $57 | +65% | 20 |
| 14–29 days | $170 | $61 | +62% | 20 |
| 30–59 days | $130 | $128 | +24% | 12 |
| 60–89 days | $105 | $105 | Cheapest seen | 9 |
| 90–179 days | $105 | $102 | +0% | 17 |
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
$200
$143 more than flying to Helsinki
30 Dec – 14 Jan 2027 · LTN → TLL · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 30 Oct – 13 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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