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 59. Prices change — set an alert to catch the next drop.

Flight price alerts: Sofia → London

Sample round trips on this route start around EUR 59; 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 59. 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 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 · 2 nights
Mon 19 Oct · 06:00
Return Wed 21 Oct · 08:20
EUR 59
See deal
Round trip · Same day · 9h 35m at destination
Mon 16 Nov · 06:00
Return Mon 16 Nov · 20:15
EUR 69
See deal
Round trip · 7 nights
Mon 12 Oct · 22:30
Return Mon 19 Oct · 21:20
EUR 70
See deal
Round trip · 2 nights
Sun 25 Oct · 06:00
Return Tue 27 Oct · 14:50
EUR 70
See deal
Round trip · Same day · 10h 50m at destination
Wed 14 Oct · 06:00
Return Wed 14 Oct · 21:20
EUR 74
See deal
Round trip · 14 nights
Sat 17 Oct · 06:00
Return Sat 31 Oct · 08:15
EUR 74
See deal
Round trip · 4 nights
Sat 17 Oct · 06:00
Return Wed 21 Oct · 21:20
EUR 80
See deal
Round trip · 11 nights
Thu 15 Oct · 05:45
Return Mon 26 Oct · 16:30
EUR 85
See deal
Round trip · 14 nights
Wed 04 Nov · 06:00
Return Wed 18 Nov · 14:45
EUR 92
See deal
Round trip · 2 nights
Tue 20 Oct · 06:00
Return Thu 22 Oct · 07:25
EUR 95
See deal
Round trip · 2 nights
Fri 02 Oct · 06:00
Return Sun 04 Oct · 07:25
EUR 103
See deal
Round trip · 7 nights
Thu 01 Oct · 11:45
Return Thu 08 Oct · 08:20
EUR 109
See deal
Round trip · 2 nights
Fri 23 Oct · 18:20
Return Sun 25 Oct · 19:10
EUR 125
See deal
Round trip · 2 nights
Sat 03 Oct · 10:25
Return Mon 05 Oct · 08:20
EUR 145
See deal
Round trip · 2 nights
Sun 27 Sept · 16:40
Return Tue 29 Sept · 18:40
EUR 148
See deal

Depart	Return	Stay	Price	Book
Mon 19 Oct · 06:00	Wed 21 Oct · 08:20	2 nights	EUR 59	See deal
Mon 16 Nov · 06:00	Mon 16 Nov · 20:15	Same day · 9h 35m at destination	EUR 69	See deal
Mon 12 Oct · 22:30	Mon 19 Oct · 21:20	7 nights	EUR 70	See deal
Sun 25 Oct · 06:00	Tue 27 Oct · 14:50	2 nights	EUR 70	See deal
Wed 14 Oct · 06:00	Wed 14 Oct · 21:20	Same day · 10h 50m at destination	EUR 74	See deal
Sat 17 Oct · 06:00	Sat 31 Oct · 08:15	14 nights	EUR 74	See deal
Sat 17 Oct · 06:00	Wed 21 Oct · 21:20	4 nights	EUR 80	See deal
Thu 15 Oct · 05:45	Mon 26 Oct · 16:30	11 nights	EUR 85	See deal
Wed 04 Nov · 06:00	Wed 18 Nov · 14:45	14 nights	EUR 92	See deal
Tue 20 Oct · 06:00	Thu 22 Oct · 07:25	2 nights	EUR 95	See deal
Fri 02 Oct · 06:00	Sun 04 Oct · 07:25	2 nights	EUR 103	See deal
Thu 01 Oct · 11:45	Thu 08 Oct · 08:20	7 nights	EUR 109	See deal
Fri 23 Oct · 18:20	Sun 25 Oct · 19:10	2 nights	EUR 125	See deal
Sat 03 Oct · 10:25	Mon 05 Oct · 08:20	2 nights	EUR 145	See deal
Sun 27 Sept · 16:40	Tue 29 Sept · 18:40	2 nights	EUR 148	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 59. Prices change — set an alert to catch the next drop.

More routes from Sofia

View all 2 routes from Sofia

Set alerts for other destinations from Sofia Airport (SOF).

Sofia (SOF) → Athens (ATH)Athens (ATH) → London (LON)Thessaloniki (SKG) → London (LON)Madrid (MAD) → London (LON)Rome (FCO) → London (LON)Zurich (ZRH) → London (LON)

Flying to London?

See all 37 departure cities with price alerts into London (All Airports) (LON).

View routes to London