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Cheap flights from London to Porto from C$ 104

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OPO
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Porto

Enter your travel dates to find the best prices.

Cheapest flights from London to Porto
Explore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Wed 16/98:25 p.m.
LGW
-
OPO
Nonstop2h 30m
easyJet
Wed 23/97:00 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 2/8C$ 178
Wed 23/98:20 a.m.
LGW
-
OPO
1 stop7h 40m
easyJet
Fri 25/96:35 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 3/8C$ 179
Thu 24/98:50 p.m.
LGW
-
OPO
Nonstop2h 30m
easyJet
Tue 29/96:15 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 29/7C$ 181
Sat 29/88:10 p.m.
LGW
-
OPO
Nonstop2h 20m
easyJet
Sat 12/98:30 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 30/7C$ 182
Sat 26/96:45 a.m.
LGW
-
OPO
1 stop16h 30m
easyJet
Tue 29/96:15 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 2/8C$ 185
Mon 7/98:55 p.m.
LGW
-
OPO
Nonstop2h 40m
easyJet
Wed 9/97:00 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 29/7C$ 186
Sun 30/88:55 p.m.
LGW
-
OPO
Nonstop2h 25m
easyJet
Sun 13/96:35 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 31/7C$ 188
Thu 17/98:50 p.m.
LGW
-
OPO
Nonstop2h 30m
easyJet
Thu 24/96:40 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 3/8C$ 189
Mon 24/88:55 p.m.
LGW
-
OPO
Nonstop2h 40m
easyJet
Thu 10/96:40 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 3/8C$ 191
Fri 16/104:15 p.m.
LGW
-
OPO
1 stop6h 55m
easyJet
Mon 19/109:10 a.m.
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 31/7C$ 192
Thu 5/114:50 p.m.
LGW
-
OPO
1 stop13h 55m
Multiple Airlines
Sun 8/119:15 p.m.
OPO
-
LGW
Nonstop2h 20m
Multiple Airlines
Deal found 3/8C$ 193
Mon 28/98:50 p.m.
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 29/98:15 p.m.
OPO
-
LHR
1 stop18h 30m
Vueling
Deal found 31/7C$ 193

Find flight deals from London to Porto

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 August 2026.

Round-trip from

C$ 178

One-way from

C$ 104

Popular in

December

Cheapest in

January

Average price

C$ 392

Good one-way deal

C$ 170 or less
easyJet
  • easyJet
  • 18/9-24/9
  • 1 total stop
  • 9h 20m total
  • London to Porto
Search Deals
easyJet
  • easyJet
  • 4/9
  • Nonstop
  • 2h 30m total
  • London to Porto
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from London (LON) to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 August 2026.
Use the filters below to find and compare flights from London to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Fri 18/9

4:15 p.m.-11:10 p.m.

1 stop6h 55m

Porto

Thu 24/9

6:40 a.m.-9:05 a.m.

Nonstop2h 25m

C$ 178

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 6/10

6:10 p.m.-6:50 a.m.

1 stop12h 40m

Porto

Sun 11/10

6:35 a.m.-9:00 a.m.

Nonstop2h 25m

C$ 184

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 7/9

8:55 p.m.-11:35 p.m.

Nonstop2h 40m

Porto

Wed 9/9

7:00 a.m.-9:25 a.m.

Nonstop2h 25m

C$ 186

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 28/9

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Tue 29/9

8:15 p.m.-2:45 p.m.

1 stop18h 30m

C$ 193

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 15/9

9:10 a.m.-4:10 p.m.

1 stop7h 00m

Porto

Tue 22/9

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

1 stop12h 15m

C$ 206

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 14/9

8:55 p.m.-11:35 p.m.

Nonstop2h 40m

Porto

Mon 21/9

9:15 a.m.-11:35 a.m.

Nonstop2h 20m

C$ 214

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Sun 20/9

12:35 p.m.-3:05 p.m.

Nonstop2h 30m

Porto

Sun 27/9

6:35 a.m.-9:00 a.m.

Nonstop2h 25m

C$ 224

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 28/11

9:55 a.m.-9:15 p.m.

1 stop11h 20m

Porto

Wed 2/12

8:45 a.m.-8:05 p.m.

1 stop11h 20m

C$ 237

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Sun 30/8

8:55 p.m.-11:20 p.m.

Nonstop2h 25m

Porto

Sun 6/9

7:20 p.m.-7:45 a.m.

1 stop12h 25m

C$ 241

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Fri 9/10

12:50 p.m.-10:40 p.m.

1 stop9h 50m

Porto

Thu 15/10

6:00 a.m.-10:00 p.m.

1 stop16h 00m

C$ 247

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from London to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from London to Porto (average of C$ 199). Flying from London to Porto in December is currently the most expensive (average of C$ 461). 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.

What is the cheapest time of day to fly from LON to OPO?

Find hourly flight availability from London to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 August 2026.

It’s typically best to fly out from London to Porto in the afternoon. Doing so could potentially save you 67% on the flight price compared to flying in the evening, which is usually more expensive.

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

Airfare is below average for this route at the moment.
London to Porto flights typically cost between C$ 311 and C$ 504 in September.
The cheapest round-trip price found within the last 5 days was C$ 178 on easyJet (16 Sep-23 Sep).

How often are flights from London to Porto delayed?

About 22% of weekly flights between London and Porto have experienced delays in the past year, with the average delay time being 123 minutes.

What is the most punctual flight time for London to Porto flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Porto flights?

Over the past year, easyJet has had the lowest number of delays on this route, with just 20% of flights being delayed.

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

The price you pay for your flight from London to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from London to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Porto (OPO) if they book a flight to Porto from London. On average, Porto has 6 inbound flights from London per day from 0 airlines. Porto is conveniently located just 10.9 km from Porto’s city centre.

  • How long is the flight from London to Porto?

    There are many flights that can get you from London to Porto in 2h 30m. Fly via easyJet or Vueling to get the fastest option. The distance from London to Porto is about 1278 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Porto?

    Currently, January is the cheapest month in which you can book a flight from London to Porto (average of C$ 199). Flying from London to Porto in December is currently the most expensive (average of C$ 461). 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

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Alternative routes for London to Porto

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Fly with Cheapflights

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How does Cheapflights help users find flights from London to Porto?

Cheapflights makes it easy to find London to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Porto?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Porto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Porto with no change fees?

Need flexible booking options for your flight to Porto from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Porto become cheaper?

Yes, Cheapflights offers price alerts on London to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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