Flight price alerts: Sofia → London
Sample round trips on this route start around EUR 61; October 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 61. Cheapest month in our next-3-month sample: October 2026.
Set an alert and we email you when a round trip drops under your limit.
Set a price alertRound 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 .
- See deal
- Round trip · 2 nights
- Wed 07 Oct · 06:00
- Return Fri 09 Oct · 08:20
EUR 61
- See deal
- Round trip · 15 nights
- Sat 19 Sept · 23:35
- Return Sun 04 Oct · 07:25
EUR 81
- See deal
- Round trip · 14 nights
- Sat 19 Sept · 23:35
- Return Sat 03 Oct · 20:15
EUR 92
- See deal
- Round trip · 2 nights
- Thu 29 Oct · 06:00
- Return Sat 31 Oct · 08:15
EUR 98
- See deal
- Round trip · 15 nights
- Fri 18 Sept · 22:10
- Return Sat 03 Oct · 20:15
EUR 108
- See deal
- Round trip · 7 nights
- Thu 20 Aug · 19:05
- Return Thu 27 Aug · 07:25
EUR 195
- See deal
- Round trip · 7 nights
- Mon 10 Aug · 18:45
- Return Mon 17 Aug · 20:35
EUR 238
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Wed 07 Oct · 06:00 | Fri 09 Oct · 08:20 | 2 nights | EUR 61 | See deal |
| Sat 19 Sept · 23:35 | Sun 04 Oct · 07:25 | 15 nights | EUR 81 | See deal |
| Sat 19 Sept · 23:35 | Sat 03 Oct · 20:15 | 14 nights | EUR 92 | See deal |
| Thu 29 Oct · 06:00 | Sat 31 Oct · 08:15 | 2 nights | EUR 98 | See deal |
| Fri 18 Sept · 22:10 | Sat 03 Oct · 20:15 | 15 nights | EUR 108 | See deal |
| Thu 20 Aug · 19:05 | Thu 27 Aug · 07:25 | 7 nights | EUR 195 | See deal |
| Mon 10 Aug · 18:45 | Mon 17 Aug · 20:35 | 7 nights | EUR 238 | See deal |
Frequently asked questions
- How do I get email alerts when Sofia to London flights drop in price?
- Create a free FlexTrip Alerts tracker for Sofia Airport (SOF) 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 Sofia 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 Sofia 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 Sofia 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 Sofia to London?
- Based on recent fare samples on this page, October 2026 is currently the cheapest month to fly from Sofia to London, with round trips from about EUR 61. Prices change — set an alert to catch the next drop.
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