When is the cheapest time of year to fly from London to Portland?

Based on statistics over the past years, the lowest prices for flights from London to Portland can be found flying in these months: .

Cheap Flights from London to Portland

Cheapest flights from London to Portland

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Portland. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$604

Aer Lingus

3 transfers

1d 9h 11m

04/01/2026

The cheapest one-way flight from London to Portland departs on 04/01/2026, is operated by Aer Lingus and costs $604

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from London to Portland

The fastest flight

1d 3h 55m

Fastest flight from London to Portland takes 1d 3h 55m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

1:45 PM

Latest flight

1:45 PM

Direct flights count

30

Distance

7904km

Timezone difference

8h

The distance between London and Portland is 7904km (4900 miles). There are 30 direct flights from London to Portland. The time difference between London and Portland is 8h. Flights from London begin at 1:45 PM. The latest flight from London departs at 1:45 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from London to Portland by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from London to Portland

Avg Price

Airlines operating on route

The route London — Portland is served by several airlines: Aer Lingus and Scandinavian Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $604 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Aer Lingus

Starting at $604

Scandinavian Airlines

Starting at $619

Direct Flights from London to Portland

A direct flight is the most convenient and comfortable way to fly from London to Portland, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no direct flights from London to Portland at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from London to Portland

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Portland:

Unable to find information about the schedule of direct flights from

London airports overview

London City Airport

•

LCY

2km

London Gatwick Airport

•

LGW

43km

London Heathrow Airport

•

LHR

36km

Major international hub serving London with extensive long‑haul and short‑haul connections, multiple terminals, and frequent rail and bus links to the city center.

London Luton Airport

•

LTN

51km

London Southend Airport

•

SEN

45km

Serves the eastern Greater London area and Southend-on-Sea, offering domestic and limited international routes with a compact terminal and a dedicated rail link for convenient access to central London.

Stansted Airport

•

STN

45km

Serving London and the East of England about 50 km northeast of central London, it handles primarily low-cost and international flights. Frequent rail and coach links provide direct connections to central London and regional destinations.

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Portland airports overview

Portland International Airport

•

PDX

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from London to Portland?

The cheapest flight ticket from London to Portland according to data for the last 48 hours costs $604

When is the best time to buy air tickets on the route London — Portland?

Often the best time to buy tickets from London to Portland is 2 months before departure.

How long does it take to fly from London to Portland?

The fastest flights from London to Portland start from 3 hours 55 minutes in the air.

Which airline can fly direct from London to Portland?

The following airlines operate direct flights on the route London — Portland:

Special offers and sales on air tickets from London to Portland

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from London to Portland

Alternative routes

Bournemouth ➜ Portland•Brighton ➜ Portland•Cambridge ➜ Portland•Coventry ➜ Portland•Milton Keynes ➜ Portland•Norwich ➜ Portland•Leicester ➜ Portland•Southampton ➜ Portland•Reading ➜ Portland•Swindon ➜ Portland•London ➜ Bellingham•London ➜ Boise•London ➜ Eugene•London ➜ Spokane•London ➜ Everett•London ➜ Seattle•London ➜ Yakima•London ➜ Kelowna•London ➜ Abbotsford

•••••••••••••••••••

Cheapest one way flight

$604

Aer Lingus

3 transfers

1d 9h 11m

04/01/2026

The cheapest one-way flight from London to Portland departs on 04/01/2026, is operated by Aer Lingus and costs $604

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from London to Portland

The fastest flight