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Cheap Flights from Porto to Slough

Compare Porto to Slough flight deals

Find the cheapest month or even day of the year to fly to Slough

Book the best Slough fare with no extra fees

Porto Airport to Slough flight deals

Looking for a cheap last-minute deal or the best roundtrip flight from Porto Airport to Slough? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
London.AED 203 per passenger.Departing Fri, Jun 19.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Porto on Fri, Jun 19, arriving in London Heathrow.Price includes taxes and charges.From AED 203, select.
London.AED 212 per passenger.Departing Tue, Dec 15.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Dec 15, arriving in London Heathrow.Price includes taxes and charges.From AED 212, select.
London.AED 225 per passenger.Departing Tue, Nov 24.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Nov 24, arriving in London Heathrow.Price includes taxes and charges.From AED 225, select.
London.AED 231 per passenger.Departing Tue, Sep 29.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Sep 29, arriving in London Heathrow.Price includes taxes and charges.From AED 231, select.
London.AED 238 per passenger.Departing Wed, Jul 22.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Porto on Wed, Jul 22, arriving in London Heathrow.Price includes taxes and charges.From AED 238, select.
London.AED 258 per passenger.Departing Wed, Oct 14.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Wed, Oct 14, arriving in London Heathrow.Price includes taxes and charges.From AED 258, select.
London.AED 272 per passenger.Departing Tue, Feb 16.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Tue, Feb 16, arriving in London Heathrow.Price includes taxes and charges.From AED 272, select.
London.AED 272 per passenger.Departing Tue, Mar 9.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Tue, Mar 9, arriving in London Heathrow.Price includes taxes and charges.From AED 272, select.
London.AED 272 per passenger.Departing Tue, Apr 27.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Tue, Apr 27, arriving in London Heathrow.Price includes taxes and charges.From AED 272, select.
London.AED 274 per passenger.Departing Wed, Jan 13.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Wed, Jan 13, arriving in London Heathrow.Price includes taxes and charges.From AED 274, select.
London.AED 288 per passenger.Departing Tue, Aug 4.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Aug 4, arriving in London Heathrow.Price includes taxes and charges.From AED 288, select.
London.AED 290 per passenger.Departing Tue, May 19.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, May 19, arriving in London Heathrow.Price includes taxes and charges.From AED 290, select.
London.AED 378 per passenger.Departing Sat, May 1.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Sat, May 1, arriving in London Heathrow.Price includes taxes and charges.From AED 378, select.
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Porto to Slough: Flight information

The things to know before you go.
Fly intoLondon Heathrow Airport
Cheapest flight foundAED 203
Cheapest month to flyJune

Find the cheapest month to fly from Porto to Slough

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Porto to Slough flights are currently cheapest in December. We’ve based this on flights into London Heathrow Airport.
May
from AED 290
Jun
from AED 203
Jul
from AED 238
Aug
from AED 288
Sep
from AED 231
Oct
from AED 258
Nov
from AED 225
Dec
from AED 212
Jan
from AED 274
Feb
from AED 272
Mar
from AED 272
Apr
from AED 272

Finding cheap flights from Porto to Slough: Frequently asked questions

There are three (3) airports near Slough: London Heathrow Airport, London Luton Airport, and London City Airport.
The best price we found for a round-trip flight from Porto to Slough is AED 533. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Slough. But we found flights with one or more stops from AED 533.
We've checked every Porto Airport to Slough fare we could find, and the cheapest upcoming date to fly seems to be on Saturday, December 12, 2026. Overall, the cheapest month to fly from Porto Airport to Slough is usually December.
If you're flying from Porto Airport, the cheapest airport near Slough is London Heathrow – which is 10.8 km away from the center of Slough. We've found flights to this airport from AED 533.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Slough on Saturday, December 12, 2026.
No airlines currently offer direct flights between Porto Airport and Slough. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Slough but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Slough is around 40 days in advance, so don’t leave your flight to the last minute.
London Heathrow Airport is 10.8km from Slough, London Luton Airport is 43.6km from Slough, and London City Airport is 44.5km from Slough.
London Heathrow Airport is closest to Slough, at around 10.8 km away.
Currently, the cheapest airline that flies to London Heathrow Airport – the closest airport to Slough – is Vueling Airlines.