Flight price alerts: London → Lisbon
Sample round trips on this route start around EUR 65; December 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 65. Cheapest month in our next-3-month sample: December 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 · 5 nights
- Sat 05 Dec · 17:50
- Return Thu 10 Dec · 17:30
EUR 65
- See deal
- Round trip · 3 nights
- Fri 11 Dec · 06:55
- Return Mon 14 Dec · 21:00
EUR 73
- See deal
- Round trip · 2 nights
- Fri 11 Dec · 06:55
- Return Sun 13 Dec · 20:45
EUR 76
- See deal
- Round trip · 2 nights
- Fri 15 Jan · 06:55
- Return Sun 17 Jan · 20:45
EUR 80
- See deal
- Round trip · 3 nights
- Fri 04 Dec · 06:55
- Return Mon 07 Dec · 16:35
EUR 82
- See deal
- Round trip · 9 nights
- Sat 21 Nov · 20:55
- Return Mon 30 Nov · 05:55
EUR 110
- See deal
- Round trip · 3 nights
- Sun 15 Nov · 07:05
- Return Wed 18 Nov · 06:55
EUR 128
- See deal
- Round trip · 5 nights
- Sun 15 Nov · 07:05
- Return Fri 20 Nov · 18:50
EUR 134
- See deal
- Round trip · 3 nights
- Thu 19 Nov · 07:10
- Return Sun 22 Nov · 07:05
EUR 135
- See deal
- Round trip · 26 nights
- Thu 03 Dec · 14:00
- Return Tue 29 Dec · 14:15
EUR 136
- See deal
- Round trip · 1 night
- Sat 28 Nov · 20:55
- Return Sun 29 Nov · 21:05
EUR 137
- See deal
- Round trip · 1 night
- Sat 21 Nov · 20:55
- Return Sun 22 Nov · 07:05
EUR 142
- See deal
- Round trip · 3 nights
- Sun 08 Nov · 07:05
- Return Wed 11 Nov · 06:15
EUR 148
- See deal
- Round trip · 27 nights
- Thu 03 Dec · 14:00
- Return Wed 30 Dec · 17:45
EUR 149
- See deal
- Round trip · 4 nights
- Wed 25 Nov · 07:15
- Return Sun 29 Nov · 20:05
EUR 151
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Sat 05 Dec · 17:50 | Thu 10 Dec · 17:30 | 5 nights | EUR 65 | See deal |
| Fri 11 Dec · 06:55 | Mon 14 Dec · 21:00 | 3 nights | EUR 73 | See deal |
| Fri 11 Dec · 06:55 | Sun 13 Dec · 20:45 | 2 nights | EUR 76 | See deal |
| Fri 15 Jan · 06:55 | Sun 17 Jan · 20:45 | 2 nights | EUR 80 | See deal |
| Fri 04 Dec · 06:55 | Mon 07 Dec · 16:35 | 3 nights | EUR 82 | See deal |
| Sat 21 Nov · 20:55 | Mon 30 Nov · 05:55 | 9 nights | EUR 110 | See deal |
| Sun 15 Nov · 07:05 | Wed 18 Nov · 06:55 | 3 nights | EUR 128 | See deal |
| Sun 15 Nov · 07:05 | Fri 20 Nov · 18:50 | 5 nights | EUR 134 | See deal |
| Thu 19 Nov · 07:10 | Sun 22 Nov · 07:05 | 3 nights | EUR 135 | See deal |
| Thu 03 Dec · 14:00 | Tue 29 Dec · 14:15 | 26 nights | EUR 136 | See deal |
| Sat 28 Nov · 20:55 | Sun 29 Nov · 21:05 | 1 night | EUR 137 | See deal |
| Sat 21 Nov · 20:55 | Sun 22 Nov · 07:05 | 1 night | EUR 142 | See deal |
| Sun 08 Nov · 07:05 | Wed 11 Nov · 06:15 | 3 nights | EUR 148 | See deal |
| Thu 03 Dec · 14:00 | Wed 30 Dec · 17:45 | 27 nights | EUR 149 | See deal |
| Wed 25 Nov · 07:15 | Sun 29 Nov · 20:05 | 4 nights | EUR 151 | See deal |
Frequently asked questions
- How do I get email alerts when London to Lisbon flights drop in price?
- Create a free FlexTrip Alerts tracker for London (All Airports) (LON) to Lisbon Humberto Delgado Airport (LIS). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
- Does FlexTrip Alerts book flights from London to Lisbon?
- 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 London to Lisbon 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 London to Lisbon 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 London to Lisbon?
- Based on recent fare samples on this page, December 2026 is currently the cheapest month to fly from London to Lisbon, with round trips from about EUR 65. Prices change — set an alert to catch the next drop.
More routes from London
View all 35 routes from LondonSet alerts for other destinations from London (All Airports) (LON).
Flying to Lisbon?
See all 5 departure cities with price alerts into Lisbon Humberto Delgado Airport (LIS).
View routes to Lisbon