Cheap flights from Portland Oregon to London from £427

Q: What are the cheapest airlines?

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

Q: Can I fly direct to London?

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

Q: What airlines fly indirectly?

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

Q: How long is the flight?

9 hrs 35 mins. This is the shortest flight time from Portland Oregon to London.

from as little as £427

13 nights in London, departing Portland Oregon on 23 / Oct / 2025 with Virgin Atlantic (price found 14 hours ago)

Subject to availability, prices correct of the last 24 hours

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The Portland Oregon / London route

All 7932 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

Icelandair
KLM
Virgin Atlantic

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

Can I fly direct to London?

Alaska Airlines
British Airways
Aer Lingus
Iberia Airlines
Finnair

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

What airlines fly indirectly?

Air Canada
KLM
Lufthansa
Virgin Atlantic
Icelandair

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

How long is the flight?

9 hrs 35 mins

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

Alternative flights from the UK to London

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Portland Oregon to London City Airport

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Portland Oregon to London Heathrow

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23 / Oct / 2025 is currently the lowest priced day of the year to fly the Portland Oregon/London route. There are around 134 flights on any given week from the UK to London and the cheapest month to fly right now is October.

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

Key facts about London

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Portland Oregon to London

Tips and advice from our flight experts

We've gone through all the flights from Portland Oregon to London, to help you find the best option. There are about 134 flights to or via London from Portland Oregon every week, and the best price is currently £427. Your journey from will last about 11 hrs 40 mins.

Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.

London actually has two airports to choose from – but London Heathrow (LHR) is the usually the cheapest option. If you need to fly into a specific airport, adjust your search to focus on those flights. The most popular airlines include Air Canada, British Airways & KLM.

But if you can't find one which is right for you, try looking at flights to other cities in United Kingdom to check out some other options.