British Airways flights from London to Portland (LON - PDX)

LON — PDX
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Portland on British Airways typically fly into Portland and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from London to Portland in 2026

Find detailed information about British Airways flights from London to Portland. Explore the options provided by British Airways to plan your journey from London to Portland. Data last updated 16 May 2026.

One-way from

£470

Return from

£703

Popular in

July

Cheapest in

September

Average price (all airlines)

£685
British Airways
  • British Airways
  • 2/9
  • Nonstop
  • 10h 00m total
  • London to Portland
British Airways
  • British Airways
  • 9/9-23/9
  • Nonstop
  • 19h 30m total
  • London to Portland
Highest demand for flights from London to Portland; 10% potential price increase.
Best time to find cheap flights from London to Portland; 2% potential price drop.
Average price for all London to Portland flights (one-way and round-trip).
  • How do most travelers feel about British Airways?

    The general consensus from 7,982 Cheapflights users is that British Airways is a 6.7/10. Select your travel dates above for updated prices on flights from London to Portland (LON-PDX).

  • Can I get a flight from London to Portland on British Airways for under £749?

    11 British Airways flights from LON to PDX have recently been found on Cheapflights for under £749. Click here to find the best deals to Portland for your desired dates.

Find British Airways flight deals from London to Portland

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to Portland
Explore the most affordable British Airways flight options available from London to Portland. Find the lowest fares with prices last updated on 16 May 2026.

Mon 15/615:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Tue 30/619:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 14/5£843
Thu 18/615:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Mon 22/613:45
PDX
-
LHR
1 stop14h 30m
British Airways
Deal found 15/5£852
Mon 15/615:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Mon 22/613:45
PDX
-
LHR
1 stop14h 30m
British Airways
Deal found 15/5£863

When is the best time to book a flight to Portland with British Airways?

The best time to book a flight to Portland with British Airways is 58 days before departure. On average, fares are higher if you book 1 day before departure.

Which month is the cheapest to fly Economy class from London to Portland?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are July and August.

Weekly British Airways flight availability from London to Portland

The most British Airways flights from LON to PDX are scheduled on a Monday (1 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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).

Best time to book a flight from London to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Fly from London to Portland on another airline

Consider alternative airlines that service the Portland area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 May 2026.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 16 May 2026.
British Airways
6.7
Okay
7,981 reviews
Overview

Boarding

6.9

Food

6.4

Crew

7.7

Entertainment

6.4

Comfort

6.8

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