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

LON — PDX
23 Nov — 30 Nov1
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 2025

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 24 October 2025.

One-way from

£412

Return from

£585

Popular in

July

Cheapest in

September

Average price (all airlines)

£665
British Airways
  • British Airways
  • 4/2
  • 2 total stops
  • 22h 27m total
  • London to Portland
British Airways
  • British Airways
  • 10/12-29/1
  • 1 total stop
  • 24h 07m total
  • London to Portland
Highest demand for flights from London to Portland; 13% 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).
  • Can I get a flight from London to Portland on British Airways for under £675?

    4 British Airways flights from LON to PDX have recently been found on Cheapflights for under £675. Click here to find the best deals to Portland for your desired dates.

  • How do most travelers feel about British Airways?

    The general consensus from 7,468 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).

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 24 October 2025.

Mon 24/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Wed 3/1217:45PDX - LHR
Nonstop9h 35mBritish Airways
Deal found 22/10£594
Wed 26/1110:05LHR - PDX
1 stop17h 05mBritish Airways
Wed 21/117:45PDX - LHR
Nonstop9h 35mBritish Airways
Deal found 22/10£605
Mon 10/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Mon 1/1207:40PDX - LHR
1 stop15h 10mBritish Airways
Deal found 23/10£606

Travel insights for British Airways flights from London to Portland

Get recent, data-driven insights about British Airways flights from London to Portland including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Portland with British Airways?

Use this chart to determine the optimal time to book a return flight from London to Portland. Price data was last updated on 17 October 2025.

Booking with British Airways 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Portland with British Airways?

Currently, the most affordable month to book a British Airways flight from London to Portland in March, with an average price of £474. Conversely, traveling with British Airways from London to Portland in July will be the most expensive, with an average cost of £652. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 24 October 2025.

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 24 October 2025.
British Airways
6.7
Okay
7,468 reviews
Overview

Entertainment

6.4

Food

6.3

Comfort

6.7

Crew

7.6

Boarding

6.9

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.