FlexTrip Alerts

Flight price alerts: Prague → London

Sample round trips on this route start around EUR 57; 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 57. 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 · 11 nights
    Tue 29 Sept · 09:45
    Return Sat 10 Oct · 18:25

    EUR 57

    See deal
  • Round trip · 4 nights
    Fri 16 Oct · 17:35
    Return Tue 20 Oct · 11:05

    EUR 62

    See deal
  • Round trip · 1 night
    Sat 17 Oct · 21:40
    Return Sun 18 Oct · 06:00

    EUR 72

    See deal
  • Round trip · 3 nights
    Thu 08 Oct · 21:45
    Return Sun 11 Oct · 09:25

    EUR 77

    See deal
  • Round trip · 1 night
    Thu 24 Sept · 15:30
    Return Fri 25 Sept · 18:00

    EUR 98

    See deal
  • Round trip · 6 nights
    Mon 21 Sept · 17:35
    Return Sun 27 Sept · 06:00

    EUR 125

    See deal
  • Round trip · 3 nights
    Fri 28 Aug · 21:40
    Return Mon 31 Aug · 13:35

    EUR 129

    See deal
  • Round trip · 13 nights
    Sat 05 Sept · 09:55
    Return Fri 18 Sept · 18:10

    EUR 129

    See deal
  • Round trip · 3 nights
    Thu 27 Aug · 21:45
    Return Sun 30 Aug · 13:35

    EUR 137

    See deal
  • Round trip · 4 nights
    Wed 26 Aug · 13:30
    Return Sun 30 Aug · 13:35

    EUR 148

    See deal
  • Round trip · 2 nights
    Fri 21 Aug · 17:35
    Return Sun 23 Aug · 13:40

    EUR 156

    See deal
  • Round trip · 2 nights
    Fri 14 Aug · 21:40
    Return Sun 16 Aug · 13:40

    EUR 191

    See deal

Frequently asked questions

How do I get email alerts when Prague to London flights drop in price?
Create a free FlexTrip Alerts tracker for Prague Vaclav Havel Airport (PRG) 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 Prague 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 Prague 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 Prague 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 Prague to London?
Based on recent fare samples on this page, September 2026 is currently the cheapest month to fly from Prague to London, with round trips from about EUR 57. Prices change — set an alert to catch the next drop.

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Prague (PRG) → Paris (PAR)Prague (PRG) → Amsterdam (AMS)Prague (PRG) → Berlin (BER)Athens (ATH) → London (LON)Thessaloniki (SKG) → London (LON)Madrid (MAD) → London (LON)

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