LHR - OPO

$87 Find Cheap Flights from London Heathrow Airport to Porto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Porto departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Porto, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Porto, as well as popular online travel agencies
Travelers love KAYAK
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Everything you should know

Cheapest round-trip
$163
Typical prices: $341-$233
Vueling
Tue 9/15Tue 9/22
LHR - OPO • 1 stop
Cheapest one-way
$87
Typical prices: $142-$260
Vueling
Thu 9/24
LHR - OPO • 1 stop
Top airlines
Cheapest • from $163 (round-trip)
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Heathrow and Porto. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $287 (round-trip)
Shortest trip • 4h 55m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Porto!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Porto (LHR-OPO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Heathrow to Porto

Tue, Sep 15 - Tue, Sep 22
Vueling Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$163Vueling
Wed, Sep 16 - Wed, Sep 30
Vueling Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
4:50 pm - 9:10 am
OPO
-
LHR
16h 20m
1 stop
$176Vueling
Wed, Sep 23 - Tue, Sep 29
Iberia Logo
9:55 am - 4:10 pm
LHR
-
OPO
6h 15m
1 stop
Iberia Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$177Iberia
Sat, Oct 3 - Tue, Oct 6
Vueling Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$182Vueling
Wed, Oct 7 - Wed, Oct 21
Iberia Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Iberia Logo
2:05 pm - 8:05 pm
OPO
-
LHR
6h 00m
1 stop
$184Iberia
Wed, Sep 16 - Wed, Sep 16
Vueling Logo
9:55 am - 4:10 pm
LHR
-
OPO
6h 15m
1 stop
Vueling Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$185Vueling
Fri, Sep 18 - Mon, Sep 21
Iberia Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Iberia Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$189Iberia
Mon, Oct 19 - Tue, Oct 20
Vueling Logo
8:50 pm - 8:00 am
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$193Vueling
Mon, Oct 5 - Fri, Oct 9
Iberia Logo
8:00 pm - 7:40 am
LHR
-
OPO
11h 40m
1 stop
Iberia Logo
10:00 pm - 9:10 am
OPO
-
LHR
11h 10m
1 stop
$195Iberia
Thu, Sep 3 - Sun, Sep 6
TAP AIR PORTUGAL Logo
4:35 pm - 7:50 am
LHR
-
OPO
15h 15m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:45 pm
OPO
-
LHR
14h 15m
1 stop
$199TAP AIR PORTUGAL
Booking Insights

KAYAK's insights & trends for Heathrow to Porto flights

Get data-powered insights and trends into flights from Heathrow to Porto to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Porto?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Porto departing in September.

What is the cheapest month to fly from London Heathrow Airport to Porto?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Porto, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Porto is January, where tickets cost $199 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $417 and $361 respectively.

How far in advance should I book a flight from London Heathrow Airport to Porto?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Porto, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Porto, you should book around 5 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$87
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from London Heathrow Airport to Porto

When to book flights from Heathrow to Porto

Are your dates flexible? Find out the best times to travel from Heathrow to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Porto flights

  • What is the cheapest flight from London Heathrow Airport to Porto?

    In the last 5 days, the lowest price for a flight from London Heathrow Airport to Porto was $87 for a one-way ticket and $163 for a round-trip.

  • Do I need a passport to fly between London Heathrow Airport and Porto?

    Yes, you'll most likely have to show a valid passport before boarding the plane in London Heathrow Airport and on arrival in Porto.

  • Which airports will I be using when flying from London Heathrow Airport to Porto?

    London Heathrow Airport airport is called London Heathrow and the only airport in Porto is Porto.

  • Which aircraft models fly most regularly from London Heathrow Airport to Porto?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to Porto?

    Star Alliance is the only airline alliance operating flights between London Heathrow Airport and Porto.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Porto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Porto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Porto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from London Heathrow Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Porto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to London Heathrow Airport with another airline. Booking your flights between London Heathrow Airport and OPO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Porto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Heathrow to Porto

 
See real verified KAYAK customer reviews for airlines flying from London to Porto. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Porto? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
TAP AIR PORTUGALOverall score based on 2281 reviews
7.0Boarding
6.3Entertainment
6.2Food
7.8Crew
7.1Comfort
Airline reviews

It was a game of hurry up and wait. As advised we arrived at the terminal e hours prior to boarding. We waited about 45 minutes before anyone showed up at the check-in terminal. When someone does arrive she rearranges the line and we think we are going to be checked in. Nope. She leaves and we wait another 15 min. before anyone else shows up. One person got behind her computer and about 15 min later started to check the first person in . Then one more person arrives spends 10-15 behind the desk and then she starts checking in someone. Two more staff arrive and another 10 min or so they are ready to begin checking in people. We have a 11:50 international flight and it is 9:45. And then on of the agents, closes her desk and leaves. And every leg of our flight was delayed; we waited at terminals, we waited to take off, we waited to deplane. After arriving in Porto within 10min of our connection schwduled to take off, we were told to go to the last bus. We waited on the bus (until all the other busses had left) and then we waited another 10 min or so for one of the ground controllers who wanted a ride with us but was busy with a woman who needed the handicap van. He did not help her to the van, but was standing with her and talking with hher. We were rushed through border control and told not to wait for the rest of our party only to get on the plane and then have to wait another 45 min before we were cleared for take off. The waits were not 10 or 20 minutes, they were 35-55 minute waits each time. Miraculously, we made it back only 2 1/2 hours later than we we were originally scheduled. Given the nonchalance and seaming disinterest from many of the staff, I was expecting that we would not get on until much later than that.

4.0 OkayJeannemarie, Jun 2026
MXP - LIS
Read more TAP AIR PORTUGAL reviews

It was a game of hurry up and wait. As advised we arrived at the terminal e hours prior to boarding. We waited about 45 minutes before anyone showed up at the check-in terminal. When someone does arrive she rearranges the line and we think we are going to be checked in. Nope. She leaves and we wait another 15 min. before anyone else shows up. One person got behind her computer and about 15 min later started to check the first person in . Then one more person arrives spends 10-15 behind the desk and then she starts checking in someone. Two more staff arrive and another 10 min or so they are ready to begin checking in people. We have a 11:50 international flight and it is 9:45. And then on of the agents, closes her desk and leaves. And every leg of our flight was delayed; we waited at terminals, we waited to take off, we waited to deplane. After arriving in Porto within 10min of our connection schwduled to take off, we were told to go to the last bus. We waited on the bus (until all the other busses had left) and then we waited another 10 min or so for one of the ground controllers who wanted a ride with us but was busy with a woman who needed the handicap van. He did not help her to the van, but was standing with her and talking with hher. We were rushed through border control and told not to wait for the rest of our party only to get on the plane and then have to wait another 45 min before we were cleared for take off. The waits were not 10 or 20 minutes, they were 35-55 minute waits each time. Miraculously, we made it back only 2 1/2 hours later than we we were originally scheduled. Given the nonchalance and seaming disinterest from many of the staff, I was expecting that we would not get on until much later than that.

The crew was excellent. What I did not enjoy was the food. I have taken many international flights and this was on the low end. Otherwise the trip was fine.

Seats were the most uncomfortable seats i ever experienced on a flight to Europe from Boston. It was a waist of money in buying premium seats for top dollars. I want my money back for what i paid extra for my seats. Awful conditions!

On the seat map for this flight with TAP was shown a business class configuration of 2 rows/8 seats. To my surprise, 4 rows/24 seats being the middle is kept empty, old European type. I chose seat 2F, the the leg room economy dimension. This is not what I paid for. Disappointed!

Boarding felt a little chaotic as everyone was waiting around the gate. Food was great, service was good.

The passport control process in Lisbon ranks as a 1 on a 1 to 5 scale. Terrible. In line 2 hours and still missed our first flight. Next day, 1.5 hours but we made the flight. The Business Class food was poor. Unidentifiable. Not tasty at all. Unacceptable in BC. Attendants were adequate. Flight left late and arrived late. After this trip, we will not be flying TAP nor will we be connecting through Lisbon.

Flight attendants in business class were rather indifferent While in second leg operated by Portugalia TAP subsidiary were outstanfy

Great service overall. One of the best international flight experiences Ive had.

The chicken was so dry it was impossible to eat. No substitute was offered. The port to charge my phone was broken and all I got was a shrug from the crew. The entertainment system was glitchy and subtitles didn’t load. Crew seemed fully uninterested and unfriendly.

The flight crew were absolute rock stars. When they came to the gate they looked like royalty, so chic. They also were extremely kind. Food was good and I loved the lack of plastic waste. The flight was lovely and smooth.

Everything you need to know for your flight from Heathrow to Porto

Information on your arrival and departure airports