Lisbon: cheap flights and the best time to go
Hilltop views, trams and beaches nearby. Portugal, Portugal · Cities, Beaches
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Cheapest round trip
Safety level
Level 1 Level 1: Exercise normal precautions
The State Department's advisory for Portugal (updated 2025-12-22)
Levels: 1 Exercise normal precautions · 2 Exercise increased caution · 3 Reconsider travel · 4 Do not travel. Read the advisory before you book; it can change. Checked 2026-10-07.
Best time to go
For the weather: June, July, August (beach weather: highs of 78–90°F, not too much rain). With fares from your airport, the best months weigh weather 60% and price 40%.
| Month | High | Low | Rain | Cheapest round trip from JFK |
|---|---|---|---|---|
| January | 59°F | 48°F | 4.2 in | … |
| February | 61°F | 49°F | 2.9 in | … |
| March | 65°F | 52°F | 2.9 in | … |
| April | 68°F | 54°F | 2.6 in | … |
| May | 73°F | 58°F | 2.2 in | … |
| June (a best month) | 78°F | 62°F | 0.5 in | … |
| July (a best month) | 82°F | 65°F | 0.1 in | … |
| August (a best month) | 83°F | 66°F | 0.3 in | … |
| September | 79°F | 64°F | 1.4 in | … |
| October | 73°F | 60°F | 4.4 in | … |
| November | 64°F | 53°F | 5.0 in | … |
| December | 59°F | 49°F | 4.2 in | … |
Typical daily high and low and total rain, 1991–2020: NOAA NCEI GHCN-Daily, station LISBOA GEOFISICA (1 km away). ★ = the best three months. Fares are the cheapest found for trips leaving that month in the next year.