Currently, the most affordable month to book a British Airways flight from London to Portland in December, with an average price of £692. Conversely, traveling with British Airways from London to Portland in July will be the most expensive, with an average cost of £954. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£564
February
£577
March
£589
April
£604
May
£622
June
£725
July
£753
August
£746
September
£662
October
£624
November
£569
December
£546
PDX Temperature | 5 - 21 °C |
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If weather is an important factor for your trip to Portland, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
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