Cheap flights from Porto to London from £38
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 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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.Find the cheapest flights from Porto to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Lufthansa flights from Porto to London Heathrow Airport
Our best Lufthansa deals on Porto to London Heathrow Airport flight tickets
TAP AIR PORTUGAL flights from Porto to London Heathrow Airport
Our best TAP AIR PORTUGAL deals on Porto to London Heathrow Airport flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Porto to London Heathrow 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 Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, November is the cheapest month to fly from Porto to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £126. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Porto averaging around £131.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Porto is on a Thursday. momondo users have found tickets for Thursday departures for as low as £179. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £225.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Porto to London Heathrow Airport in the morning for as low as £120. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £192 on average. Flights to London Heathrow Airport from Porto in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Porto when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £177 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Porto for as low as £109 on momondo.
When to book flights from Porto to London Heathrow Airport
Cheap Porto to London Heathrow Airport (OPO to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Porto to London Heathrow Airport
How far is Porto to London Heathrow by plane?
The distance between Porto and London Heathrow is about 810.6 mi. A reasonable flight in good conditions will take 4h 45m.
When did momondo last update prices for flights from Porto Airport to London Heathrow Airport?
Prices for flights from Porto Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Porto Airport to London Heathrow Airport?
There is 1 operator available for flights from Porto Airport to London Heathrow Airport as of May 2025.
How old do you have to be to fly from Porto Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Porto to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Porto to London Heathrow Airport is TAP AIR PORTUGAL (100% of total bookings).
Best airlines flying from Porto to London Heathrow Airport
Compare and see reviews for airlines that fly from Porto to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £116 | Free Cancellation | Rating 7.1 1,852 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Porto to London?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to London . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Porto to London with flexible booking policies on momondo?
Flights from Porto to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Porto to London?
Once all potential Porto to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Porto to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Porto and alert you when they change.