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Cheap First Class flights to Portland

LHR — PDX
18 May — 25 May1
1 adult
1 adult, First, 0 bags

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Cheap first class flights to Portland in 2026

Find the latest flights to Portland in 2026, 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 18 April 2026.

Arrival Airport

Portland Airport
Closest airport for this route
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Cheapest first class flights to Portland
Explore the most affordable first class flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 18 April 2026.

Sat 11/715:00
LHR
-
PDX
1 stop16h 53m
American Airlines
Sat 18/714:02
PDX
-
LHR
1 stop14h 08m
American Airlines
Deal found 15/4£5,472
Wed 20/515:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Wed 10/619:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 15/4£5,577
Sun 23/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Wed 2/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 17/4£11,301

Travel insights for first class flights from United Kingdom to Portland

Get recent, data-driven insights about first class flights from United Kingdom to Portland including ideal travel times, pricing trends, and more.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

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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