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Cheap flights from Porto to Harmondsworth

Compare Porto to Harmondsworth flight deals

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

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Porto Airport to Harmondsworth flight deals

Looking for a cheap last-minute deal or the best roundtrip flight from Porto Airport to Harmondsworth? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
London.$145 per passenger.Departing Sat, Dec 12, returning Mon, Jan 4.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Sat, Dec 12, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Mon, Jan 4, arriving in Porto.Price includes taxes and charges.From $145, select.
London.$152 per passenger.Departing Sat, Nov 21, returning Tue, Nov 24.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Sat, Nov 21, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Tue, Nov 24, arriving in Porto.Price includes taxes and charges.From $152, select.
London.$156 per passenger.Departing Tue, Sep 15, returning Mon, Sep 21.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Sep 15, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Mon, Sep 21, arriving in Porto.Price includes taxes and charges.From $156, select.
London.$157 per passenger.Departing Sat, Dec 12, returning Tue, Dec 15.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Sat, Dec 12, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Tue, Dec 15, arriving in Porto.Price includes taxes and charges.From $157, select.
London.$159 per passenger.Departing Tue, Jun 16, returning Tue, Jun 23.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Jun 16, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Tue, Jun 23, arriving in Porto.Price includes taxes and charges.From $159, select.
London.$163 per passenger.Departing Tue, Oct 20, returning Sat, Nov 7.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Oct 20, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Sat, Nov 7, arriving in Porto.Price includes taxes and charges.From $163, select.
London.$167 per passenger.Departing Wed, Oct 14, returning Tue, Oct 20.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Wed, Oct 14, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Tue, Oct 20, arriving in Porto.Price includes taxes and charges.From $167, select.
London.$175 per passenger.Departing Wed, Sep 16, returning Wed, Oct 7.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Wed, Sep 16, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Wed, Oct 7, arriving in Porto.Price includes taxes and charges.From $175, select.
London.$175 per passenger.Departing Wed, Oct 7, returning Thu, Dec 10.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Wed, Oct 7, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Thu, Dec 10, arriving in Porto.Price includes taxes and charges.From $175, select.
London.$178 per passenger.Departing Tue, Jan 12, returning Fri, Jan 15.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Jan 12, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Fri, Jan 15, arriving in Porto.Price includes taxes and charges.From $178, select.
London.$179 per passenger.Departing Tue, May 26, returning Sat, May 30.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, May 26, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Sat, May 30, arriving in Porto.Price includes taxes and charges.From $179, select.
London.$183 per passenger.Departing Wed, Jun 17, returning Mon, Jul 6.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Wed, Jun 17, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Mon, Jul 6, arriving in Porto.Price includes taxes and charges.From $183, select.
London.$185 per passenger.Departing Mon, Nov 30, returning Sat, Dec 5.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Mon, Nov 30, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Sat, Dec 5, arriving in Porto.Price includes taxes and charges.From $185, select.
London.$186 per passenger.Departing Tue, Jul 21, returning Fri, Nov 20.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Jul 21, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Fri, Nov 20, arriving in Porto.Price includes taxes and charges.From $186, select.
London.$189 per passenger.Departing Tue, Jul 7, returning Wed, Jul 8.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Jul 7, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Wed, Jul 8, arriving in Porto.Price includes taxes and charges.From $189, select.
London.$194 per passenger.Departing Tue, Aug 4, returning Mon, Aug 10.Round-trip flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Aug 4, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Mon, Aug 10, arriving in Porto.Price includes taxes and charges.From $194, select.
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Porto to Harmondsworth: Flight information

The things to know before you go.
Fly intoLondon Heathrow Airport
Cheapest flight found$145
Cheapest month to flyDecember

Find the cheapest month to fly from Porto to Harmondsworth

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Porto to Harmondsworth flights are currently cheapest in December. We’ve based this on flights into London Heathrow Airport.
May
from $179
Jun
from $159
Jul
from $189
Aug
from $194
Sep
from $156
Oct
from $167
Nov
from $152
Dec
from $157
Jan
from $178
Feb
from $205
Mar
from $198
Apr
from $201

Finding cheap flights from Porto to Harmondsworth: Frequently asked questions

There are three (3) airports near Harmondsworth: London Heathrow Airport, London City Airport, and London Gatwick Airport.
The best price we found for a round-trip flight from Porto to Harmondsworth is $145. 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 Harmondsworth. But we found flights with one or more stops from $145.
We've checked every Porto Airport to Harmondsworth 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 Harmondsworth is usually December.
If you're flying from Porto Airport, the cheapest airport near Harmondsworth is London Heathrow – which is 2.5 km away from the center of Harmondsworth. We've found flights to this airport from $145.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Harmondsworth on Saturday, December 12, 2026.
No airlines currently offer direct flights between Porto Airport and Harmondsworth. 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 Harmondsworth 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 Harmondsworth is around 40 days in advance, so don’t leave your flight to the last minute.
London Heathrow Airport is 2.5km from Harmondsworth, London City Airport is 36.3km from Harmondsworth, and London Gatwick Airport is 42.6km from Harmondsworth.
London Heathrow Airport is closest to Harmondsworth, at around 2.5 km away.
Currently, the cheapest airline that flies to London Heathrow Airport – the closest airport to Harmondsworth – is Vueling Airlines.