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, November 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.

Flight price alerts: Sofia → London

Sample round trips on this route start around EUR 61; November 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: November 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 23 Nov · 22:00
Return Wed 25 Nov · 07:45
EUR 61
See deal
Round trip · 3 nights
Fri 04 Dec · 22:25
Return Mon 07 Dec · 05:55
EUR 74
See deal
Round trip · 2 nights
Sat 12 Dec · 21:15
Return Mon 14 Dec · 07:30
EUR 74
See deal
Round trip · 3 nights
Mon 23 Nov · 22:00
Return Thu 26 Nov · 06:00
EUR 82
See deal
Round trip · 1 night
Wed 25 Nov · 06:00
Return Thu 26 Nov · 06:00
EUR 93
See deal
Round trip · Same day · 4h 20m at destination
Wed 25 Nov · 06:00
Return Wed 25 Nov · 14:45
EUR 96
See deal
Round trip · 8 nights
Sat 21 Nov · 21:15
Return Sun 29 Nov · 06:45
EUR 99
See deal
Round trip · 3 nights
Thu 26 Nov · 22:00
Return Sun 29 Nov · 06:45
EUR 103
See deal
Round trip · 3 nights
Wed 09 Dec · 19:20
Return Sat 12 Dec · 19:40
EUR 115
See deal
Round trip · 2 nights
Sun 13 Dec · 12:15
Return Tue 15 Dec · 07:45
EUR 121
See deal
Round trip · 2 nights
Mon 14 Dec · 06:00
Return Wed 16 Dec · 06:40
EUR 135
See deal
Round trip · 3 nights
Mon 14 Dec · 06:00
Return Thu 17 Dec · 06:00
EUR 145
See deal
Round trip · 4 nights
Wed 11 Nov · 20:15
Return Sun 15 Nov · 06:45
EUR 152
See deal
Round trip · 10 nights
Tue 10 Nov · 20:20
Return Fri 20 Nov · 06:00
EUR 164
See deal
Round trip · 3 nights
Tue 15 Dec · 06:00
Return Fri 18 Dec · 06:00
EUR 193
See deal

Depart	Return	Stay	Price	Book
Mon 23 Nov · 22:00	Wed 25 Nov · 07:45	2 nights	EUR 61	See deal
Fri 04 Dec · 22:25	Mon 07 Dec · 05:55	3 nights	EUR 74	See deal
Sat 12 Dec · 21:15	Mon 14 Dec · 07:30	2 nights	EUR 74	See deal
Mon 23 Nov · 22:00	Thu 26 Nov · 06:00	3 nights	EUR 82	See deal
Wed 25 Nov · 06:00	Thu 26 Nov · 06:00	1 night	EUR 93	See deal
Wed 25 Nov · 06:00	Wed 25 Nov · 14:45	Same day · 4h 20m at destination	EUR 96	See deal
Sat 21 Nov · 21:15	Sun 29 Nov · 06:45	8 nights	EUR 99	See deal
Thu 26 Nov · 22:00	Sun 29 Nov · 06:45	3 nights	EUR 103	See deal
Wed 09 Dec · 19:20	Sat 12 Dec · 19:40	3 nights	EUR 115	See deal
Sun 13 Dec · 12:15	Tue 15 Dec · 07:45	2 nights	EUR 121	See deal
Mon 14 Dec · 06:00	Wed 16 Dec · 06:40	2 nights	EUR 135	See deal
Mon 14 Dec · 06:00	Thu 17 Dec · 06:00	3 nights	EUR 145	See deal
Wed 11 Nov · 20:15	Sun 15 Nov · 06:45	4 nights	EUR 152	See deal
Tue 10 Nov · 20:20	Fri 20 Nov · 06:00	10 nights	EUR 164	See deal
Tue 15 Dec · 06:00	Fri 18 Dec · 06:00	3 nights	EUR 193	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, November 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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