Flight price alerts: Lisbon → London
Sample round trips on this route start around EUR 66; 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 66. 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
- Tue 08 Dec · 16:30
- Return Sun 13 Dec · 06:20
EUR 66
- See deal
- Round trip · 3 nights
- Thu 10 Dec · 12:45
- Return Sun 13 Dec · 06:20
EUR 66
- See deal
- Round trip · 4 nights
- Sat 12 Dec · 21:05
- Return Wed 16 Dec · 06:50
EUR 71
- See deal
- Round trip · 2 nights
- Fri 11 Dec · 16:15
- Return Sun 13 Dec · 06:20
EUR 93
- See deal
- Round trip · 7 nights
- Wed 25 Nov · 10:05
- Return Wed 02 Dec · 06:50
EUR 95
- See deal
- Round trip · 3 nights
- Mon 14 Dec · 21:00
- Return Thu 17 Dec · 07:10
EUR 103
- See deal
- Round trip · 2 nights
- Tue 17 Nov · 14:15
- Return Thu 19 Nov · 07:10
EUR 104
- See deal
- Round trip · 6 nights
- Tue 01 Dec · 19:20
- Return Mon 07 Dec · 07:15
EUR 104
- See deal
- Round trip · 7 nights
- Mon 21 Dec · 21:00
- Return Mon 28 Dec · 19:50
EUR 108
- See deal
- Round trip · 6 nights
- Mon 09 Nov · 20:00
- Return Sun 15 Nov · 07:05
EUR 110
- See deal
- Round trip · 5 nights
- Tue 17 Nov · 16:30
- Return Sun 22 Nov · 06:20
EUR 113
- See deal
- Round trip · 7 nights
- Fri 25 Dec · 14:05
- Return Fri 01 Jan · 06:55
EUR 117
- See deal
- Round trip · 3 nights
- Thu 19 Nov · 19:55
- Return Sun 22 Nov · 07:05
EUR 121
- See deal
- Round trip · 4 nights
- Fri 20 Nov · 18:50
- Return Tue 24 Nov · 07:20
EUR 121
- See deal
- Round trip · 4 nights
- Sat 14 Nov · 19:50
- Return Wed 18 Nov · 06:50
EUR 128
| Depart | Return | Stay | Price | Book |
|---|---|---|---|---|
| Tue 08 Dec · 16:30 | Sun 13 Dec · 06:20 | 5 nights | EUR 66 | See deal |
| Thu 10 Dec · 12:45 | Sun 13 Dec · 06:20 | 3 nights | EUR 66 | See deal |
| Sat 12 Dec · 21:05 | Wed 16 Dec · 06:50 | 4 nights | EUR 71 | See deal |
| Fri 11 Dec · 16:15 | Sun 13 Dec · 06:20 | 2 nights | EUR 93 | See deal |
| Wed 25 Nov · 10:05 | Wed 02 Dec · 06:50 | 7 nights | EUR 95 | See deal |
| Mon 14 Dec · 21:00 | Thu 17 Dec · 07:10 | 3 nights | EUR 103 | See deal |
| Tue 17 Nov · 14:15 | Thu 19 Nov · 07:10 | 2 nights | EUR 104 | See deal |
| Tue 01 Dec · 19:20 | Mon 07 Dec · 07:15 | 6 nights | EUR 104 | See deal |
| Mon 21 Dec · 21:00 | Mon 28 Dec · 19:50 | 7 nights | EUR 108 | See deal |
| Mon 09 Nov · 20:00 | Sun 15 Nov · 07:05 | 6 nights | EUR 110 | See deal |
| Tue 17 Nov · 16:30 | Sun 22 Nov · 06:20 | 5 nights | EUR 113 | See deal |
| Fri 25 Dec · 14:05 | Fri 01 Jan · 06:55 | 7 nights | EUR 117 | See deal |
| Thu 19 Nov · 19:55 | Sun 22 Nov · 07:05 | 3 nights | EUR 121 | See deal |
| Fri 20 Nov · 18:50 | Tue 24 Nov · 07:20 | 4 nights | EUR 121 | See deal |
| Sat 14 Nov · 19:50 | Wed 18 Nov · 06:50 | 4 nights | EUR 128 | See deal |
Frequently asked questions
- How do I get email alerts when Lisbon to London flights drop in price?
- Create a free FlexTrip Alerts tracker for Lisbon Humberto Delgado Airport (LIS) 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 Lisbon 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 Lisbon 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 Lisbon 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 Lisbon to London?
- Based on recent fare samples on this page, December 2026 is currently the cheapest month to fly from Lisbon to London, with round trips from about EUR 66. Prices change — set an alert to catch the next drop.
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