London to Lisbon flights in December 2026 from $105 LCY, LGW, LHR, LTN, SEN, STN → LIS
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Lisbon Portela Airport (LIS)
For departures in December 2026, the cheapest return found recently is $105 with Ryanair, 30 Dec – 8 Jan 2027, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 13 departure dates is usually $112 to $258. Across all 30 departure dates we hold on this route, it is usually $114 to $218. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$105
30 Dec – 8 Jan 2027 · Ryanair
Stansted Airport (STN) → Lisbon Portela Airport (LIS)
out nonstop, back nonstop
found 2 days ago
Cheapest we hold, of any age
$91
6 Dec – 18 Jan 2027 · Ryanair
Stansted Airport (STN) → Lisbon Portela Airport (LIS)
out nonstop, back nonstop
found 4 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 6 Dec – 18 Jan 2027 | $91 | Ryanair | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 7 Dec – 9 Dec | $93 | Ryanair | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 30 Dec – 8 Jan 2027 | $105 | Ryanair | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 4 Dec – 7 Dec | $112 | easyJet | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 3 Dec – 29 Dec | $137 | Ryanair | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
Every date we hold
13 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 3 Dec – 29 Dec | $137 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 4 Dec – 7 Dec | $112 | easyJet | London Luton Airport (LTN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 5 Dec – 10 Dec | $295 | KLM | London City Airport (LCY) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 6 Dec – 18 Jan 2027 | $91 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 7 Dec – 9 Dec | $93 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 10 Dec – 3 Jan 2027 | $216 | easyJet | London Luton Airport (LTN) → Lisbon Portela Airport (LIS) | out nonstop, back 2 stops | found 3 days ago | See prices for these dates |
| 12 Dec – 27 Dec | $175 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 18 Dec – 31 Dec | $258 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 19 Dec – 28 Dec | $218 | Ryanair UK | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 20 Dec – 11 Jan 2027 | $158 | Ryanair UK | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out 2 stops, back nonstop | found 5 days ago | See prices for these dates |
| 21 Dec – 3 Jan 2027 | $285 | Wizz Air UK | London Gatwick Airport (LGW) → Lisbon Portela Airport (LIS) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
| 22 Dec – 2 Jan 2027 | $326 | Ryanair UK | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 30 Dec – 8 Jan 2027 | $105 | Ryanair | Stansted Airport (STN) → Lisbon Portela Airport (LIS) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $74.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work
