good.flights

Cheap flights from Helsinki to London

One-way from €23, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Wed, Nov 4Any priceThu, Nov 5€61Fri, Nov 6€24Sat, Nov 7€23Sun, Nov 8Any priceMon, Nov 9Any priceTue, Nov 10Any priceWed, Nov 11Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
€23
Ryanair, flight FR 9144Found 2 days ago, 1 adult
Check live price
21:10HelsinkiSat, Nov 7
Travel time 3h 10m, nonstopHELSTN
22:20LondonSat, Nov 7
€24
Ryanair, flight FR 2345Found 2 days ago, 1 adult
Check live price
23:40HelsinkiFri, Nov 6
Travel time 3h 10m, nonstopHELSTN
00:50LondonSat, Nov 7
€26
Ryanair, flight FR 9144Found 3 days ago, 1 adult
Check live price
21:10HelsinkiSat, Nov 14
Travel time 3h 10m, nonstopHELSTN
22:20LondonSat, Nov 14
€29
Ryanair, flight FR 9144Found 3 days ago, 1 adult
Check live price
22:05HelsinkiThu, Nov 12
Travel time 3h 10m, nonstopHELSTN
23:15LondonThu, Nov 12
€39
Ryanair, flight FR 2345Found 4 days ago, 1 adult
Check live price
23:40HelsinkiFri, Nov 27
Travel time 3h 10m, nonstopHELSTN
00:50LondonSat, Nov 28

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
    See options
  • Things to do in LondonPopular tours from $51.70 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United Kingdom from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €400 per person under EU261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26–27€11428€14629€13030–31–

November 2026

MoTuWeThFrSaSu1–2€773€584–5€616€247€238–9–10–11–12€2913–14€2615–16–17€4418–19€10520€6321–22–23–24–25–26–27€3928–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13€5714–15–16–17–18–19–20–21–22–23–2425262728293031
€29 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 7, €23.

Lowest fares by month

In the fares found this week, November has the lowest: from €23 one-way, against €114 in October. Pick a month to see its cheapest date.

  1. Oct€114
  2. Nov€23
  3. Dec€57
  4. Jan€52
  5. Febno fares yet
  6. Mar€56
  7. Apr€104
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
€0€50€100€150Oct€23NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October€114Tue, Oct 27Nonstop
November€23Sat, Nov 7Nonstop
December€57Sun, Dec 131 stop
January 2027€52Sun, Jan 31Nonstop
February 2027—
March 2027€56Mon, Mar 15Nonstop
April 2027€104Thu, Apr 1Nonstop
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in London. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare€114€23€57€52–€56€104–––––
High °C16°12°9°8°9°12°15°18°22°24°23°20°
Low °C9°5°3°3°3°4°6°9°12°14°14°12°
Precipitation mm656757594539424647465350

Source: London on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Helsinki to London?

In the fares found this week, November has the lowest: from €23 one-way, against €114 in October.

What is the weather in London in November?

In November, the cheapest month to fly, the average daily high in London is 12 °C and the low 5 °C.

Are there direct flights from Helsinki to London?

Yes. Recent fares include nonstop flights with Ryanair, Norwegian Air Sweden and Finnair.

How long is the flight from Helsinki to London?

A nonstop flight takes about 3h 5m. The distance is 1,779 km.

Which day of the week is cheapest to fly?

In the fares we have, Saturday departures are the cheapest, with a typical lowest fare of €26. Thursday is the priciest at about €104.

More cheap flights from Helsinki

All 339 destinations