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Cheap flights from Porto to London from $29

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 7/18. 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

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Find the cheapest flights from Porto to London

Cheap round-trip flights

easyJet Logo
9:25 am - 11:50 amOPO-LTN
2h 25mnonstop
easyJet Logo
7:10 am - 9:40 amLTN-OPO
2h 30mnonstop
$82easyJet
Find Deal
Fri, Oct 10 - Thu, Jan 15
easyJet Logo
6:55 am - 9:20 amOPO-LGW
2h 25mnonstop
easyJet Logo
9:50 am - 12:10 pmLGW-OPO
2h 20mnonstop
$97easyJet
Find Deal
Sat, Oct 11 - Mon, Oct 13
easyJet Logo
9:20 am - 11:45 amOPO-LTN
2h 25mnonstop
easyJet Logo
1:05 pm - 3:30 pmLTN-OPO
2h 25mnonstop
$104easyJet
Find Deal
Wed, Sep 24 - Sun, Sep 28
easyJet Logo
6:55 am - 9:20 amOPO-LGW
2h 25mnonstop
easyJet Logo
9:35 am - 12:05 pmLGW-OPO
2h 30mnonstop
$105easyJet
Find Deal
Sat, Oct 11 - Mon, Jan 12
 Logo
10:40 pm - 8:00 amOPO-LGW
9h 20m1 stop
 Logo
6:10 am - 8:35 amLGW-OPO
2h 25mnonstop
Wed, Sep 24 - Mon, Sep 29
British Airways Logo
5:30 pm - 7:50 pmOPO-LGW
2h 20mnonstop
British Airways Logo
4:50 pm - 7:15 pmLGW-OPO
2h 25mnonstop
$151British Airways
Find Deal
Tue, Nov 11 - Sat, Nov 15
 Logo
1:25 pm - 7:10 pmOPO-LGW
5h 45m1 stop
 Logo
5:20 am - 7:45 amLGW-OPO
2h 25mnonstop
Wed, Sep 24 - Sat, Oct 4
Ryanair Logo
10:20 pm - 9:10 amOPO-LTN
10h 50m1 stop
Ryanair Logo
6:10 pm - 6:45 amLTN-OPO
12h 35m1 stop
$223Ryanair
Find Deal
Fri, Aug 8 - Tue, Aug 19
TAP AIR PORTUGAL Logo
6:00 pm - 10:55 pmOPO-LHR
4h 55m1 stop
TAP AIR PORTUGAL Logo
8:15 am - 3:00 pmLHR-OPO
6h 45m1 stop
$240TAP AIR PORTUGAL
Find Deal
Tue, Oct 7 - Wed, Jan 14
TAP AIR PORTUGAL Logo
6:00 pm - 10:55 pmOPO-LHR
4h 55m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 2:05 pmLHR-OPO
8h 05m1 stop
$250TAP AIR PORTUGAL
Find Deal
Tue, Sep 23 - Wed, Oct 1

Iberia flights from Porto to London

Our best Iberia deals on Porto to London flight tickets
Iberia
Oct 8
OPO4:55 pmPorto
5h 35m
1 stop
LHR10:30 pmLondon Heathrow
Jan 13
LHR9:55 amLondon Heathrow
11h 20m
1 stop
OPO9:15 pmPorto
Iberia
Sep 17
OPO4:55 pmPorto
5h 35m
1 stop
LHR10:30 pmLondon Heathrow
Sep 24
LHR9:55 amLondon Heathrow
11h 25m
1 stop
OPO9:20 pmPorto
Iberia
Sep 15
OPO10:00 pmPorto
11h 10m
1 stop
LHR9:10 amLondon Heathrow
Sep 23
LHR8:50 pmLondon Heathrow
11h 10m
1 stop
OPO8:00 amPorto

KLM flights from Porto to London

Our best KLM deals on Porto to London flight tickets
KLM
Sep 24
OPO6:15 amPorto
7h 35m
1 stop
LHR1:50 pmLondon Heathrow
Sep 30
LHR9:55 amLondon Heathrow
5h 40m
1 stop
OPO3:35 pmPorto
KLM
Sep 11
OPO6:30 amPorto
7h 20m
1 stop
LHR1:50 pmLondon Heathrow
Sep 17
LHR5:10 pmLondon Heathrow
5h 05m
1 stop
OPO10:15 pmPorto
KLM
Jul 31
OPO11:25 amPorto
6h 10m
1 stop
LHR5:35 pmLondon Heathrow
Aug 7
LHR6:30 amLondon Heathrow
9h 05m
1 stop
OPO3:35 pmPorto

See travel insights to London from

How to get the cheapest flight ticket from Porto to London

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 cheapest month to fly to London?

The cheapest month to fly to London from Porto is in February. Flight prices, which tend to average around $84, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Porto averaging around $89.

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

The cheapest day to depart from Porto to London is on a Thursday. Travelers who choose to depart for London on a Thursday will often find tickets for as low as $158. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $236. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Porto in the morning is the least expensive time of day to depart. momondo users have found prices as low as $168 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $201. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Porto to London flight route?

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

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

You are more likely to see cheaper flights to London from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $238 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Porto for as low as $161 on momondo.

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

There are 3 cabin classes available to choose from on Porto to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Porto to London flights?

No. A direct flight is the cheapest option for a flight between Porto to London.

How have Porto to London flight prices changed over time?

As of June 2025, prices for Porto to London flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from Porto to London

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

Cheap Porto to London (OPO to LON) flight deals and tips

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

Best Price Found

$29

Fastest flight time

2h 15m

Direct flights

Every day

Airports in London

2 airports
The best one-way flight to London from Porto in the past 72 hours is $29. The best round-trip flight deal from Porto to London found on momondo in the last 72 hours is $82.
The fastest flight from Porto to London takes 2h 15m
Direct flights go from Porto to London every day.
There are 2 airports near London: London Luton (LTN), London Gatwick (LGW)

  • How far is Porto to London by plane?

    The distance between Porto and London is about 819.8 mi. Typically, this will take 2h 15m by plane in normal conditions.

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

    Prices for flights from Porto Airport to London are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Airport to London.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from Porto to London

Compare and see reviews for airlines that fly from Porto to London with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom $62Free CancellationRating
6.8
5,150 reviews
Search Ryanair flights
easyJetPriceFrom $65Free CancellationRating
6.9
1,819 reviews
Search easyJet flights
TAP AIR PORTUGALPriceFrom $154Free CancellationRating
7.1
1,911 reviews
Search TAP AIR PORTUGAL flights
  • TAP AIR PORTUGAL Flights From Porto to London

    TAP AIR PORTUGAL is one of the most popular airlines flying from Porto to London, operating 10 flights/week on average for this route. A good TAP AIR PORTUGAL flight deal for Porto to London starts from $154 round-trip, up to an average price of $302. Our users have rated TAP AIR PORTUGAL at 7.1/10.

  • easyJet Flights From Porto to London

    easyJet is also a popular choice for this route. easyJet flight deals for Porto to London start from as low as $65 round-trip, depending on your selected dates, with average easyJet deals seen on momondo around $192. easyJet operates 6 flights to London from Porto in an average week. Users have rated it 6.9/10 across 1,819 reviews.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Milton Keynes
Ilford
Colchester
Canterbury
Chelmsford
Watford
Richmond
Wembley
Dagenham
St. Albans

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Porto to London flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Porto to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Sat 7/5
Sat 7/12

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London