Cheap flights from London Heathrow Airport to Porto from $166
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Porto departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London Heathrow Airport to Porto
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 Porto?
In general, January is the cheapest month to fly from London Heathrow Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. If you aren’t able to travel to Porto during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $299.
What is the cheapest day to depart on your flight to Porto?
Our data shows that Monday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $296. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $779.
What is the cheapest time of day to depart on your flight to Porto?
Our most recent data shows that the best time of day to fly to Porto is at midday. Flights from London Heathrow Airport to Porto during this time can be as low as $236. Flights in the evening are often more expensive, with an average ticket price of $682.
How far in advance should I book a flight to Porto?
You are more likely to see cheaper flights to Porto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $424 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Heathrow Airport for as low as $354 on momondo.
When to book flights from London Heathrow Airport to Porto
Cheap London Heathrow Airport to Porto (LHR to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Porto
How far is London Heathrow to Porto by plane?
There are 1304.5 km between London Heathrow and Porto. A reasonable flight in good conditions will take 4h 30m.
When did momondo last update prices for flights from London Heathrow Airport to Porto Airport?
Prices for flights from London Heathrow Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Porto Airport?
There is 1 operator available for flights from London Heathrow Airport to Porto Airport as of July 2025.
How old do you have to be to fly from London Heathrow Airport to Porto 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to Porto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Porto is British Airways (100% of total bookings).
Best airlines flying from London Heathrow Airport to Porto
Compare and see reviews for airlines that fly from London Heathrow Airport to Porto with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $559 | Free cancellation | Rating 6.6 7,090 reviews |
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Why should I use momondo to find a flight deal from London to Porto?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Porto . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Porto with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Porto from London with this policy.
How can momondo help me find flights from London to Porto?
momondo provides multiple filters to help you find the best flight to Porto from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Porto right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.