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Cheap flights from Porto to London

One-way from €18, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Fri, Dec 4Any priceSat, Dec 5€35Sun, Dec 6Any priceMon, Dec 7€18Tue, Dec 8Any priceWed, Dec 9Any priceThu, Dec 10Any priceFri, Dec 11Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
€18
Ryanair, flight FR 7699Found yesterday, 1 adult
Check live price
22:25PortoMon, Dec 7
Travel time 2h 25m, nonstopOPOSTN
00:50LondonTue, Dec 8
€24
Ryanair, flight FR 1262Found 4 days ago, 1 adult
Check live price
17:45PortoTue, Nov 24
Travel time 2h 25m, nonstopOPOSTN
20:10LondonTue, Nov 24
€24
easyJet, flight U2 2458Found 2 days ago, 1 adult
Check live price
15:45PortoMon, Dec 14
Travel time 2h 20m, nonstopOPOLTN
18:05LondonMon, Dec 14
€24
Ryanair, flight FR 520Found 2 days ago, 1 adult
Check live price
15:20PortoThu, Dec 17
Travel time 2h 25m, nonstopOPOSTN
17:45LondonThu, Dec 17
€35
Ryanair, flight FR 7634Found 7 days ago, 1 adult
Check live price
19:05PortoSat, Dec 5
Travel time 4h 25m, 1 stopOPOLTN
23:30LondonSat, Dec 5

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
    See options
  • Things to do in LondonPopular tours from $51.70 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United Kingdom from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €250 per person under EU261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425€13926€12327–28–29€13430–31–

November 2026

MoTuWeThFrSaSu1€1082€1143€654–5€666–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24€2425–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5€356–7€188–9–10–11–12–13–14€2415–16–17€2418–19–20–21–22–23–2425262728293031
€24 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 7, €18.

Lowest fares by month

In the fares found this week, December has the lowest: from €18 one-way, against €123 in October. Pick a month to see its cheapest date.

  1. Oct€123
  2. Nov€24
  3. Dec€18
  4. Janno fares yet
  5. Febno fares yet
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
€0€50€100€150OctNov€18DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October€123Mon, Oct 261 stop
November€24Tue, Nov 24Nonstop
December€18Mon, Dec 7Nonstop
January 2027—
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in London. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare€123€24€18–––––––––
High °C16°12°9°8°9°12°15°18°22°24°23°20°
Low °C9°5°3°3°3°4°6°9°12°14°14°12°
Precipitation mm656757594539424647465350

Source: London on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

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

In the fares found this week, December has the lowest: from €18 one-way, against €123 in October.

What is the weather in London in December?

In December, the cheapest month to fly, the average daily high in London is 9 °C and the low 3 °C.

Are there direct flights from Porto to London?

Yes. Recent fares include nonstop flights with Ryanair and easyJet.

How long is the flight from Porto to London?

A nonstop flight takes about 2h 20m. The distance is 1,364 km.

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