Cheap First Class flights to Portugal
LHR — LIS
5 May — 12 May1
Return
1 adult
First
Best travel deals
Find the best flight deals available from hundreds of sites within secondsTrusted and free
Cheapflights is 100% free to use. No hidden charges!Book with flexibility
Easily find flight tickets with no change feesCheap first class flights to Portugal in 2025
Find the latest flights to Portugal in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 30 April 2025.
Top Rated Airline | British Airways |
|---|---|
No. of Airlines | 1 |
Travel insights for first class flights from United Kingdom to Portugal
Get recent, data-driven insights about first class flights from United Kingdom to Portugal including ideal travel times, pricing trends, and more.
Rainfall in Portugal by month
Plan your trip to Portugal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portugal ranges from 2.0 - 116.0 inches per month. December is typically the wettest month, when rainfall can reach 116.0 mm. July is typically the driest time to visit Portugal when rainfall is around 2.0 mm.
Temperature in Portugal by month
Plan your trip to Portugal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).