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Cheap flights from London Heathrow Airport to Porto from C$ 126

LHR — OPO
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Porto

Fri 6/116:30 p.m. -
1 stop6h 00m
Mon 9/1111:00 a.m. -
1 stop11h 40m
Deal found 24/10C$ 256
Sat 14/118:45 a.m. -
1 stop14h 55m
Sat 21/116:10 a.m. -
1 stop9h 40m
Deal found 20/10C$ 279
Fri 6/116:00 a.m. -
1 stop7h 30m
Fri 6/118:00 p.m. -
1 stop16h 40m
Deal found 24/10C$ 294
Fri 13/113:45 p.m. -
1 stop6h 45m
Sun 15/115:00 a.m. -
1 stop5h 45m
Deal found 21/10C$ 295
Fri 13/116:30 p.m. -
1 stop16h 30m
Sun 15/1111:00 a.m. -
1 stop11h 40m
Deal found 24/10C$ 297
Thu 26/1112:25 p.m. -
1 stop9h 35m
Fri 27/114:00 p.m. -
1 stop5h 35m
Deal found 22/10C$ 302
Thu 19/118:40 a.m. -
1 stop6h 45m
Mon 23/115:00 a.m. -
1 stop5h 45m
Deal found 21/10C$ 322
Thu 3/127:55 p.m. -
1 stop14h 05m
Mon 7/1211:30 a.m. -
1 stop6h 00m
Deal found 21/10C$ 344
Mon 16/116:00 a.m. -
1 stop7h 30m
Mon 16/114:00 p.m. -
1 stop6h 40m
Deal found 20/10C$ 360
Tue 17/111:40 p.m. -
1 stop8h 20m
Sat 21/1111:00 a.m. -
1 stop6h 30m
Deal found 20/10C$ 361
Sun 27/126:00 a.m. -
1 stop10h 35m
Wed 30/128:00 p.m. -
1 stop16h 40m
Deal found 22/10C$ 394

Find flight deals from Heathrow to Porto

Round-trip from

C$ 256

One-way from

C$ 126

Popular in

December

Cheapest in

January

Average price

C$ 361
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 6/11-9/11
  • 2 total stops
  • 17h 40m total
  • London to Porto
Search Deals
9/12-31/12
  • 9/12-31/12
  • 1 total stop
  • 15h 55m total
  • London to Porto
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 8/12

3:15 p.m.-10:10 a.m.

1 stop18h 55m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 172

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Sun 6/12

8:40 a.m.-3:25 p.m.

1 stop6h 45m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 182

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Sat 7/11

12:25 p.m.-10:00 p.m.

1 stop9h 35m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 197

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Wed 4/11

6:00 a.m.-12:30 a.m.

1 stop18h 30m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 245
Quickest round-trip

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Thu 5/11

6:30 p.m.-12:30 a.m.

1 stop6h 00m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 245

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 8/12

8:15 a.m.-10:00 a.m.

1 stop25h 45m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 252

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 17/11

6:30 p.m.-7:30 a.m.

1 stop13h 00m

Porto

Sat 21/11

12:00 p.m.-6:55 p.m.

1 stop6h 55m

C$ 361

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Fri 6/11

6:30 p.m.-12:30 a.m.

1 stop6h 00m

Porto

Wed 18/11

12:00 p.m.-5:30 p.m.

1 stop5h 30m

C$ 361

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Sun 11/4

6:05 p.m.-11:00 a.m.

3 stops16h 55m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 447

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Fri 11/12

6:40 a.m.-10:30 a.m.

2 stops27h 50m

Porto

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Heathrow with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Porto

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

The price you pay for your flight from London Heathrow Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of C$ 279). Flying from London Heathrow Airport to Porto in December is currently the most expensive (average of C$ 493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London Heathrow Airport to Porto?

Airfare is below average for this route at the moment.

London Heathrow Airport to Porto flights typically cost between C$ 282 and C$ 436 in November.
The cheapest round-trip price found within the last 5 days was C$ 256 on TAP AIR PORTUGAL (6 Nov-9 Nov).

Related info for your journey

  • What airport do you fly into for flights to Porto from London Heathrow?

    Located just 10.9 km from the city centre, Porto is the airport most travellers will use when flying to Porto from London Heathrow. Booking flights from London Heathrow to Porto (OPO) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

  • How long is the flight from London Heathrow Airport to Porto?

    Departing from London Heathrow Airport to Porto will take you 9h 35m. There are 1297 km between London Heathrow Airport and Porto.

  • Can I find deals for flights from Heathrow to Porto that include hotel bookings?

    Yes. In addition to deals on Heathrow to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto.

  • Can I find deals for business class flights from Heathrow to Porto?

    Yes. Cheapflights offers flight deals from Heathrow to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of C$ 279). Flying from London Heathrow Airport to Porto in December is currently the most expensive (average of C$ 493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Porto

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