FlexTrip Alerts

Flight price alerts: Helsinki → London

Sample round trips on this route start around EUR 183; September 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.

Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.

Sample fares from EUR 183. Cheapest month in our next-3-month sample: September 2026.

Set an alert and we email you when a round trip drops under your limit.

Set a price alert

Round trips on this route

Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.

Last updated .

  • Round trip · 4 nights
    Fri 11 Sept · 07:05
    Return Tue 15 Sept · 17:10

    EUR 183

    See deal
  • Round trip · 3 nights
    Sat 12 Sept · 15:40
    Return Tue 15 Sept · 13:10

    EUR 189

    See deal
  • Round trip · 3 nights
    Mon 07 Sept · 15:50
    Return Thu 10 Sept · 09:55

    EUR 200

    See deal
  • Round trip · 2 nights
    Thu 10 Sept · 05:30
    Return Sat 12 Sept · 06:25

    EUR 208

    See deal
  • Round trip · 4 nights
    Thu 20 Aug · 11:15
    Return Mon 24 Aug · 19:55

    EUR 212

    See deal
  • Round trip · 2 nights
    Wed 09 Sept · 07:05
    Return Fri 11 Sept · 09:50

    EUR 213

    See deal
  • Round trip · 3 nights
    Thu 03 Sept · 11:05
    Return Sun 06 Sept · 18:00

    EUR 219

    See deal
  • Round trip · 4 nights
    Wed 09 Sept · 07:05
    Return Sun 13 Sept · 08:30

    EUR 223

    See deal
  • Round trip · 3 nights
    Tue 18 Aug · 23:50
    Return Fri 21 Aug · 18:40

    EUR 228

    See deal
  • Round trip · 3 nights
    Thu 10 Sept · 05:30
    Return Sun 13 Sept · 08:30

    EUR 228

    See deal
  • Round trip · 3 nights
    Sun 06 Sept · 18:10
    Return Wed 09 Sept · 11:00

    EUR 233

    See deal
  • Round trip · 3 nights
    Thu 20 Aug · 13:25
    Return Sun 23 Aug · 17:00

    EUR 246

    See deal
  • Round trip · 6 nights
    Mon 24 Aug · 13:25
    Return Sun 30 Aug · 10:15

    EUR 247

    See deal
  • Round trip · 2 nights
    Tue 01 Sept · 13:55
    Return Thu 03 Sept · 19:55

    EUR 248

    See deal
  • Round trip · 4 nights
    Tue 25 Aug · 19:40
    Return Sat 29 Aug · 20:25

    EUR 250

    See deal

Frequently asked questions

How do I get email alerts when Helsinki to London flights drop in price?
Create a free FlexTrip Alerts tracker for Helsinki Vantaa Airport (HEL) to London (All Airports) (LON). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
Does FlexTrip Alerts book flights from Helsinki to London?
No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
Can I set flexible travel dates for Helsinki to London alerts?
Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
How often does FlexTrip Alerts check Helsinki to London fares?
We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
What is the cheapest month to fly from Helsinki to London?
Based on recent fare samples on this page, September 2026 is currently the cheapest month to fly from Helsinki to London, with round trips from about EUR 183. Prices change — set an alert to catch the next drop.

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