Cheap flights from London Heathrow to Portland Oregon

Q: How much are flights normally?

£ 553. If you see flights from London Heathrow to Portland Oregon for less than this, you've found a good deal.

Q: When is the best time to book cheap flights?

21 weeks. If you want cheap flights from London Heathrow to Portland Oregon, this is the best time to book.

Q: What are the cheapest airlines?

Icelandair, Virgin Atlantic. These airlines usually offer the cheapest flights from London Heathrow to Portland Oregon.

Q: Can I fly direct to Portland Oregon?

Aer Lingus, Finnair, British Airways, Iberia Airlines. You can fly non-stop from London Heathrow to Portland Oregon with these airlines.

Q: What airlines fly indirectly?

KLM, Lufthansa, Virgin Atlantic, Air Canada, Icelandair. These airlines fly from London Heathrow to Portland Oregon, but you’ll have at least one layover.

Q: When is high season?

August. This is the most expensive time to fly to Portland Oregon. If this is when you want to go, book your flight from London Heathrow in advance.

Q: When is the cheapest time to fly?

November. Flights from London Heathrow to Portland Oregon are usually cheaper at this time of year.

Q: How long is the flight?

9 hrs 55 mins. This is the shortest flight time from London Heathrow to Portland Oregon.

Q: How long should I stay in Portland Oregon?

14 days. Most people spend this amount of time in Portland Oregon.

from as little as £568

7 nights in Portland Oregon, departing London Heathrow on 27 / Oct / 2025 with Icelandair (price found 35 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London Heathrow to Portland Oregon

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All prices shown are per person based on return flights only. Prices found in the last 48 hours.

The London Heathrow / Portland Oregon route

All 7891 km of it

Cheap flight deals for this route

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Portland Oregon flight facts

What you need to know

How much are flights normally?

£ 553

If you see flights from London Heathrow to Portland Oregon for less than this, you've found a good deal.

When is the best time to book cheap flights?

21 weeks

If you want cheap flights from London Heathrow to Portland Oregon, this is the best time to book.

What are the cheapest airlines?

Icelandair
Virgin Atlantic

These airlines usually offer the cheapest flights from London Heathrow to Portland Oregon.

Can I fly direct to Portland Oregon?

Aer Lingus
Finnair
British Airways
Iberia Airlines

You can fly non-stop from London Heathrow to Portland Oregon with these airlines.

What airlines fly indirectly?

KLM
Lufthansa
Virgin Atlantic
Air Canada
Icelandair

These airlines fly from London Heathrow to Portland Oregon, but you’ll have at least one layover.

When is high season?

August

This is the most expensive time to fly to Portland Oregon. If this is when you want to go, book your flight from London Heathrow in advance.

When is the cheapest time to fly?

November

Flights from London Heathrow to Portland Oregon are usually cheaper at this time of year.

How long is the flight?

9 hrs 55 mins

This is the shortest flight time from London Heathrow to Portland Oregon.

How long should I stay in Portland Oregon?

14 days

Most people spend this amount of time in Portland Oregon.

Alternative flights from the UK to Portland Oregon

Check out prices for other routes

London to Portland Oregon

from £568 pp

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Manchester to Portland Oregon

from £659 pp

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Edinburgh to Portland Oregon

from £626 pp

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Birmingham to Portland Oregon

from £833 pp

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London City Airport to Portland Oregon

from £982 pp

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London Gatwick to Portland Oregon

from £630 pp

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Alternative flights from London Heathrow to Portland Oregon

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Today alone, Netflights has searched over 4,290 flights. 27 / Oct / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Portland Oregon route. There are around 780 flights on any given week from the UK to Portland Oregon and the cheapest month to fly right now is October.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

3 °C

AVG

12 °C

HIGHEST

26 °C

Rainfall (mm)

LOWEST

17 mm

AVG

91.2 mm

HIGHEST

174 mm

Key facts about Portland Oregon

Timezone

8 hrs behind GMT

How to get cheap flights from London Heathrow to Portland Oregon

Tips and advice from our flight experts

If you're looking to fly from London Heathrow to Portland Oregon, you might like to know that 27 / Oct / 2025 currently has the cheapest flights. At the moment, there are ten airlines flying to Portland Oregon. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Portland Oregon.

The most popular airlines offering flights to Portland Oregon are KLM, Lufthansa & Virgin Atlantic. KLM is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?

The distance between London Heathrow to Portland Oregon is 7891 km. Normally, it takes about 11 hrs 55 mins to fly, and you can definitely expect the journey to be at least 9 hrs 55 mins. You can see the various flight times in the results.

If you want to travel in August, it's best to book your flights early, as this is peak season in Portland Oregon. The cheapest month to fly is normally November – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.