Cheap flights from Porto to London from $17 OPO → LCY, LGW, LHR, LTN, SEN, STN

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $64 to $84.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 28 Jan 2027 to compare.

Every date we hold

117 fares on 14 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $72.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $17 to $80.

At $17, the cheapest one-way found recently is at the low end of that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 15 Dec to compare.

Every date we hold

2 fares on 2 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $17.

Return

Fares 30 to 59 days before departure were typically 43% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 30 to 59 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Porto to London?

The cheapest return found recently is $72 with Ryanair, 28 Jan 2027 to 31 Jan 2027, found 2 days ago. The cheapest return fare on each of 14 departure dates is usually $98 to $169.

How much is a one-way flight from Porto to London?

The cheapest one-way found recently is $17 with Ryanair, 15 Dec, found 2 days ago.

What is the cheapest month to fly from Porto to London?

January 2027 is the cheapest month for a return, from $72, 28 Jan 2027 to 31 Jan 2027, found 2 days ago. December 2026 is the cheapest month for a one-way, from $17, 15 Dec, found 2 days ago.

Every date in December 2026

How far ahead should I book a flight from Porto to London?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 43% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 30 to 59 days before departure.

Is there a direct flight from Porto to London?

Yes, the cheapest nonstop return found recently is $72 with Ryanair, 28 Jan 2027 to 31 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $17 with Ryanair, 15 Dec, found 2 days ago.

Every nonstop date from Porto to London

How long is the flight from Porto to London?

The cheapest nonstop one-way found recently, with Ryanair on 15 Dec, takes 2 h 25 min from Porto Airport (OPO) to Stansted Airport (STN).

Which airlines have the cheapest flights from Porto to London?

Between 14 Nov and 19 Mar 2027, Ryanair has the cheapest return on 9 of the 14 departure dates we hold, easyJet on 3 and Vueling on 2.