Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Porto to London from £18

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to London departing on 17/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Porto to London (OPO-STN)

Cheap return flights

Ryanair Logo
21:35 - 23:59OPO-STN
2h 24mdirect
Ryanair Logo
06:35 - 09:00STN-OPO
2h 25mdirect
£41Ryanair
Find Deal
Thu, 2 Oct - Wed, 8 Oct
Ryanair Logo
06:05 - 08:30OPO-STN
2h 25mdirect
Ryanair Logo
08:55 - 11:20STN-OPO
2h 25mdirect
£42Ryanair
Find Deal
Wed, 17 Sep - Tue, 30 Sep
Ryanair Logo
06:05 - 08:30OPO-STN
2h 25mdirect
Ryanair Logo
06:30 - 08:50STN-OPO
2h 20mdirect
£46Ryanair
Find Deal
Wed, 17 Sep - Mon, 22 Sep
Ryanair Logo
06:05 - 08:20OPO-STN
2h 15mdirect
Ryanair Logo
06:30 - 08:50STN-OPO
2h 20mdirect
£48Ryanair
Find Deal
Fri, 19 Sep - Mon, 22 Sep
Ryanair Logo
09:15 - 11:40OPO-STN
2h 25mdirect
Ryanair Logo
06:30 - 08:50STN-OPO
2h 20mdirect
£49Ryanair
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Ryanair Logo
06:05 - 08:30OPO-STN
2h 25mdirect
Ryanair Logo
06:35 - 09:00STN-OPO
2h 25mdirect
£51Ryanair
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Ryanair Logo
06:05 - 08:30OPO-STN
2h 25mdirect
Ryanair Logo
06:35 - 09:00STN-OPO
2h 25mdirect
£53Ryanair
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Ryanair Logo
06:05 - 08:30OPO-STN
2h 25mdirect
Ryanair Logo
06:20 - 08:45STN-OPO
2h 25mdirect
£55Ryanair
Find Deal
Wed, 1 Oct - Fri, 3 Oct
Logo
06:05 - 08:20OPO-STN
2h 15mdirect
Logo
06:25 - 08:50STN-OPO
2h 25mdirect
£60
Find Deal
Fri, 19 Sep - Sat, 27 Sep
Logo
09:15 - 11:40OPO-STN
2h 25mdirect
Logo
06:35 - 09:00STN-OPO
2h 25mdirect
£80
Find Deal
Sat, 4 Oct - Wed, 8 Oct

Ryanair flights from Porto to London Stansted Airport

Our best Ryanair deals on Porto to London Stansted Airport flight tickets
Ryanair
2 Oct
OPO21:35Porto
2h 24m
STN23:59London Stansted
8 Oct
STN06:35London Stansted
2h 25m
OPO09:00Porto
£41
Find similar
Ryanair
17 Sept
OPO06:05Porto
2h 25m
STN08:30London Stansted
30 Sept
STN08:55London Stansted
2h 25m
OPO11:20Porto
£42
Find similar
Ryanair
17 Sept
OPO06:05Porto
2h 25m
STN08:30London Stansted
22 Sept
STN06:30London Stansted
2h 20m
OPO08:50Porto
£46
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Porto to London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 14 August 2025.
Use the filters below to find and compare flights from Porto to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoLondon

OPO - STN

OPOSTN

Porto

Thu 2/10

21:35-23:59

Nonstop2h 24m

London Stansted

Wed 8/10

06:35-09:00

Nonstop2h 25m

£41

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 17/9

06:05-08:30

Nonstop2h 25m

London Stansted

Tue 30/9

08:55-11:20

Nonstop2h 25m

£42

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 17/9

06:05-08:30

Nonstop2h 25m

London Stansted

Mon 22/9

06:30-08:50

Nonstop2h 20m

£46

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 19/9

06:05-08:20

Nonstop2h 15m

London Stansted

Mon 22/9

06:30-08:50

Nonstop2h 20m

£48

PortoLondon

OPO - STN

OPOSTN

Porto

Thu 2/10

09:15-11:40

Nonstop2h 25m

London Stansted

Mon 6/10

06:30-08:50

Nonstop2h 20m

£49

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 17/9

06:05-08:30

Nonstop2h 25m

London Stansted

Wed 24/9

06:35-09:00

Nonstop2h 25m

£51

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 17/9

06:05-08:30

Nonstop2h 25m

London Stansted

Wed 24/9

06:35-09:00

Nonstop2h 25m

£53

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 1/10

06:05-08:30

Nonstop2h 25m

London Stansted

Fri 3/10

06:20-08:45

Nonstop2h 25m

£55

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 19/9

06:05-08:20

Nonstop2h 15m

London Stansted

Sat 27/9

06:25-08:50

Nonstop2h 25m

£60

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 4/10

09:15-11:40

Nonstop2h 25m

London Stansted

Wed 8/10

06:35-09:00

Nonstop2h 25m

£80

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Porto to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and London Stansted Airport?

What is the cheapest month to fly to London Stansted Airport?

The cheapest month to fly to London Stansted Airport from Porto is in February. Flight prices, which tend to average around £46, are often lower during this time because this is during the off-season. If you aren’t able to travel to London Stansted Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £61.

What is the cheapest day to depart on your flight to London Stansted Airport?

According to our data, Tuesday is the cheapest day to fly to London Stansted Airport from Porto. The lowest ticket price found for a Tuesday departure recently was £65. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to London Stansted Airport is Wednesday, with ticket prices averaging around £111.

What is the cheapest time of day to depart on your flight to London Stansted Airport?

Our data shows that the cheapest Porto to London Stansted Airport flights are usually those with departure times at midday. Our users have found flights to London Stansted Airport at midday for as low as £59. Flights in the afternoon are often more expensive, with an average ticket price of £120.

What is the cheapest Porto to London Stansted flight route?

Fly from Porto to London Stansted for the best Porto - London Stansted flight prices

How far in advance should I book a flight to London Stansted Airport?

You are more likely to see cheaper flights to London Stansted Airport from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to London Stansted Airport for around £117 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Stansted Airport from Porto for as low as £56 on momondo.

What cabin class options are available on Porto to London Stansted flights?

There are 1 cabin classes available to choose from on Porto to London Stansted flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Porto to London Stansted Airport flight prices changed over time?

As of August 2025, prices for Porto to London Stansted Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Porto to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Porto to London Stansted Airport (OPO to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to London Stansted Airport

Best price found

£18

Fastest flight time

2h 15m

Direct flights

Every day
The best one-way flight to London Stansted Airport from Porto in the past 72 hours is £18. The best return flight deal from Porto to London Stansted Airport found on momondo in the last 72 hours is £41.
The fastest flight from Porto to London Stansted Airport takes 2h 15m
Direct flights go from Porto to London Stansted Airport every day.
Search flight deals

  • How far is Porto to London Stansted by plane?

    Porto and London Stansted are 850.6 mi apart from one another. By plane, this route typically takes 2h 15m.

  • When did momondo last update prices for flights from Porto Airport to London Stansted Airport?

    Prices for flights from Porto Airport to London Stansted Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Porto Airport to London Stansted Airport?

  • How old do you have to be to fly from Porto Airport to London Stansted Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Porto to London Stansted Airport?

  • What is the most popular airline from Porto to London Stansted Airport?

Best airlines flying from Porto to London Stansted Airport

Compare and see reviews for airlines that fly from Porto to London Stansted Airport with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £47Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights

  • Ryanair Flights From Porto to London Stansted Airport

    Ryanair flight deals from Porto to London Stansted Airport start from £63 round-trip. Over the 8 Ryanair flights for this route in a normal week, average airfare is usually £169 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Maidstone
Gatwick
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Colchester
Worthing
Hounslow
Dartford
Dover
Chelmsford
Hayes
Bedford
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Porto to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Porto.

Can I find flights from Porto to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Porto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Porto to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to London.

I’m not ready to book a flight from Porto to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Porto are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 19/8
Tue 26/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London