July is by far the best month, wherein you can get cheapest flights for London to Portland. Meanwhile, July is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
July- During this month the footfall is less so, the flight is gradually inexpensive.
July - is the cheapest month to book round trip flights.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

London
08:00
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
15:57
Portland
Portland International Airport
Sat, 04 Jul 2026

London
21:25
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
16:55
Portland
Portland International Airport
Sun, 05 Jul 2026

London
12:30
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
21:00
Portland
Portland International Airport
Sat, 04 Jul 2026

London
09:15
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
21:00
Portland
Portland International Airport
Sat, 04 Jul 2026

London
16:25
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
11:01
Portland
Portland International Airport
Sun, 05 Jul 2026

London
08:30
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
19:11
Portland
Portland International Airport
Sat, 04 Jul 2026

London
08:30
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
09:34
Portland
Portland International Airport
Sun, 05 Jul 2026

London
06:30
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
18:50
Portland
Portland International Airport
Sat, 04 Jul 2026

London
10:55
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
22:40
Portland
Portland International Airport
Sat, 04 Jul 2026

London
17:45
London
London Heathrow Airport
Sat , 04 Jul 2026

Portland
20:02
Portland
Portland International Airport
Sun, 05 Jul 2026










Flying from London to Portland has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between London to Portland is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Heathrow Airport (LHR) and Portland International Airport (PDX). You can expect a flight distance of approximately 7885 km, and most direct services cover it in around 15:59.
Let’s take a closer look at everything you need to know before booking your flight from London to Portland.
| Flight Details | Information |
|---|---|
| Route Distance | 7885 km |
| Average Flight Time | 15:59 hrs |
| Departure Airport | London Heathrow Airport (LHR) |
| Arrival Airport | Portland International Airport (PDX) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | United Airlines, Icelandair, American Airlines, Air Canada |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.