Find flights
Deals
When to book
FAQs

Cheap flights from Porto to London from $83

OPO — LON
21 Nov — 28 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to London

Enter your travel dates to find the best prices.

Cheapest flights from Porto to London

Tue 22/1207:40 -
Nonstop2h 25m
Sat 9/120:45 -
Nonstop2h 25m
Deal found 21/10$101
Thu 12/1120:55 -
Nonstop2h 25m
Sat 21/1112:40 -
Nonstop2h 25m
Deal found 19/10$102
Mon 16/1122:25 -
Nonstop2h 25m
Mon 23/1109:10 -
Nonstop2h 25m
Deal found 19/10$104
Mon 16/1122:25 -
Nonstop2h 25m
Sat 21/1112:40 -
Nonstop2h 25m
Deal found 19/10$107
Wed 18/1111:05 -
Nonstop2h 25m
Fri 20/1113:20 -
Nonstop2h 25m
Deal found 21/10$108
Sat 12/1215:25 -
Nonstop2h 20m
Tue 15/1215:15 -
Nonstop2h 30m
Deal found 17/10$110
Mon 7/1222:25 -
Nonstop2h 25m
Wed 9/1209:55 -
Nonstop2h 25m
Deal found 21/10$111
Wed 11/1107:05 -
Nonstop2h 25m
Tue 17/1109:00 -
Nonstop2h 25m
Deal found 20/10$112
Fri 13/1117:45 -
Nonstop2h 25m
Sun 15/1110:35 -
Nonstop2h 25m
Deal found 19/10$114
Fri 18/1220:30 -
Nonstop2h 25m
Fri 8/117:10 -
Nonstop2h 30m
Deal found 18/10$114
Wed 25/1117:55 -
Nonstop2h 20m
Sun 29/1114:45 -
Nonstop2h 25m
Deal found 17/10$115
Fri 18/1220:30 -
Nonstop2h 25m
Mon 4/112:40 -
Nonstop2h 30m
Deal found 18/10$115

Find flight deals from Porto to London

Round-trip from

$101

One-way from

$83

Popular in

August

Cheapest in

January

Average price

$199

Good one-way deal

$483 or less
Ryanair
  • Ryanair
  • 22/12-9/1
  • Nonstop
  • 4h 50m total
  • Porto to London
Search Deals
easyJet
  • easyJet
  • 1/12-31/12
  • Nonstop
  • 2h 20m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a one-way flight from Porto to London (LON).
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Fri 8/1

20:30-22:55

Nonstop2h 25m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$83

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Mon 7/12

06:20-17:10

1 stop10h 50m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$90

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Mon 30/11

15:45-18:05

Nonstop2h 20m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$95

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Mon 1/3

22:25-00:50

Nonstop2h 25m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

$98

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Sun 28/3

06:35-09:00

Nonstop2h 25m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

$100

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Tue 9/2

06:15-14:50

1 stop8h 35m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$101

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Fri 6/11

20:30-22:55

Nonstop2h 25m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$102

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Sun 24/1

06:15-15:20

1 stop9h 05m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$104

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Thu 31/12

18:45-21:05

Nonstop2h 20m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

$105

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Sun 22/11

20:00-22:25

Nonstop2h 25m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

$105

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Porto to London

Have a flexible travel schedule? Discover the best time to fly to London from Porto with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Porto to London (average of $164). Flying from Porto to London in August is currently the most expensive (average of $292). 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 OPO to LON?

When flying from Porto to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Porto to London?

Airfare is below average for this route at the moment.
Porto to London flights typically cost between $135 and $278 in December.
The cheapest return price found within the last 5 days was $101 on Ryanair (22 Dec–9 Jan).

How often are flights from Porto to London delayed?

About 20% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 124 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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 Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, easyJet have had the lowest number of delays on this route, with just 17% of flights being delayed.

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

The best time to book flights from Porto to London is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

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

    Porto (OPO), located 10.9 km from the city centre, is the airport you fly out of when you book flights from Porto to London. 0 airlines have flights from Porto to London on a regular basis. Booking flights from Porto to London should not be difficult; the airport handles an average of 3 outbound flights to London per day.

  • How long is the flight from Porto to London?

    Airlines like Ryanair and easyJet fly from Porto to London in about 2h 20m. The time it takes to get you to your destination is usually consistent. There are 1278 km between Porto and London. All flights are typically direct.

  • What are the most popular routes from Porto to London?

    The most popular flight routes from Porto to London are Porto - London Luton, Porto - London Gatwick and Porto - London Stansted.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to London 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 Porto to London?

    Currently, January is the cheapest month in which you can book a flight from Porto to London (average of $164). Flying from Porto to London in August is currently the most expensive (average of $292). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Hounslow
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Dorking
Guildford
Stansted
Braintree
Gatwick
Kingston upon Thames
Uxbridge
Chertsey
Twickenham
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

Deals for Porto to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Porto.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Porto to London flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Porto to London 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.