Helsinki to London: buy now or wait?
Buy now FareScore 92/100
usually €41 €20 Today's best fare
Cheaper than 92% of what we have seen
11 Dec Ryanair Direct
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All fares Helsinki → London
Cheapest first. Every price is live and goes straight to booking.
11 Dec
21:40
Ryanair · 3h 10m
Direct ↓9%
€22 €20
12 Dec
19:10
Ryanair · 3h 10m
Direct ↓16%
€25 €21
3 Dec
20:05
Ryanair · 3h 10m
Direct ↓26%
€35 €26
6 Nov
21:40
Ryanair · 3h 10m
Direct
€27
14 Nov
19:10
Ryanair · 3h 10m
Direct ↓20%
€35 €28
10 Dec
20:05
Ryanair · 3h 10m
Direct
€28
25 Jan
18:25
Ryanair · 3h 10m
Direct
€28
27 Nov
21:40
Ryanair · 3h 10m
Direct
€31
1 Dec
19:30
Ryanair · 3h 10m
Direct
€31
15 Jan
21:40
Ryanair · 3h 10m
Direct ↓18%
€38 €31
2 Dec
19:45
Ryanair · 3h 10m
Direct ↓17%
€41 €34
15 Dec
19:30
Ryanair · 3h 10m
Direct ↓5%
€37 €35
What the history says
Prices recorded 594
Typical price €41
Lowest we saw €17
You save today €21
Based on 594 prices we recorded on this exact route, compared against the same departure month.
Best booking window
28–41 days — is when this route has been cheapest to book: €28 typical, on 150 observations. That is about €8 less than booking in the last two weeks.
Cheapest months to fly to London
November €28 375 observations
December €37 115 observations
January €46 52 observations
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.
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