$66+ Cheap flights from Heathrow (LHR) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Heathrow to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Heathrow to Porto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to PortoExplore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:50 pm -
1 stop11h 20m
Sat 11/78:05 pm -
1 stop18h 40m
Deal found 9/10![Vueling logo]()
$140
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 10m
Tue 9/2910:00 pm -
1 stop11h 10m
Deal found 9/10![Vueling logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
1 stop4h 50m
Tue 11/178:45 pm -
1 stop18h 00m
Deal found 9/9![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
1 stop27h 10m
Thu 10/228:40 pm -
1 stop18h 05m
Deal found 9/10![Vueling logo]()
$150
This Vueling Global deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:50 pm -
1 stop11h 20m
Sat 11/218:05 pm -
1 stop18h 40m
Deal found 9/9![Vueling logo]()
$156
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:50 pm -
1 stop11h 10m
Thu 10/228:40 pm -
1 stop18h 05m
Deal found 9/10![Vueling logo]()
$158
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:50 pm -
1 stop11h 20m
Mon 11/169:55 pm -
1 stop11h 15m
Deal found 9/10![Vueling logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
1 stop27h 10m
Thu 10/227:35 am -
2 stops7h 10m
Deal found 9/10![Multiple Airlines logo]()
$168
Best flights from Heathrow to PortoDiscover carefully curated flight deals from Heathrow to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Heathrow to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Vueling Global deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:50 pm -
1 stop11h 20m
Sat 11/218:05 pm -
1 stop18h 40m
Deal found 9/9![Vueling logo]()
$156
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop17h 00m
Fri 10/910:30 pm -
1 stop11h 50m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$262
This SWISS deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
1 stop12h 25m
Sun 11/812:20 pm -
2 stops9h 20m
Deal found 9/11![SWISS logo]()
$412
This Vueling Global deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 pm -
1 stop11h 10m
Mon 9/2810:05 pm -
1 stop11h 05m
Deal found 9/7![Vueling logo]()
$224
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:50 pm -
1 stop12h 10m
Mon 10/129:15 pm -
1 stop13h 05m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$263
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop17h 00m
Sat 10/105:05 am -
1 stop5h 15m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$289
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:45 pm -
1 stop5h 55m
Tue 10/274:00 pm -
1 stop6h 40m
Deal found 9/9![TAP AIR PORTUGAL logo]()
$324
This SWISS deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
1 stop5h 15m
Thu 11/192:20 pm -
2 stops7h 20m
Deal found 9/9![SWISS logo]()
$476
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:00 am -
1 stop11h 00m
Thu 10/810:30 pm -
1 stop12h 30m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$428
This SWISS deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am -
2 stops10h 20m
Mon 10/128:05 pm -
2 stops15h 15m
Deal found 9/11![SWISS logo]()
$628
This SAUDIA deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:40 pm -
2 stops31h 35m
Sun 10/45:00 am -
2 stops31h 40m
Deal found 9/6![SAUDIA logo]()
$1,547
This SAUDIA deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:10 pm -
2 stops41h 05m
Mon 10/55:00 am -
2 stops31h 40m
Deal found 9/7![SAUDIA logo]()
$1,623
Last-minute flights from Heathrow to PortoDiscover last-minute flight deals from Heathrow to Porto. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Porto. Data last updated September 11, 2026 and is based on user searches.
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 10m
Tue 9/2910:00 pm -
1 stop11h 10m
Deal found 9/10![Vueling logo]()
$143
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop18h 40m
Sun 10/49:15 pm -
1 stop13h 05m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$177
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop18h 40m
Wed 10/79:00 am -
1 stop13h 00m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
1 stop27h 10m
Thu 10/228:40 pm -
1 stop18h 05m
Deal found 9/10![Vueling logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
1 stop27h 10m
Thu 10/227:35 am -
2 stops7h 10m
Deal found 9/10![Multiple Airlines logo]()
$168
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:50 pm -
1 stop11h 10m
Thu 10/228:40 pm -
1 stop18h 05m
Deal found 9/10![Vueling logo]()
$158
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:50 pm -
1 stop11h 20m
Sat 11/78:05 pm -
1 stop18h 40m
Deal found 9/10![Vueling logo]()
$140
This Vueling Global deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:50 pm -
1 stop11h 20m
Mon 11/29:55 pm -
1 stop11h 15m
Deal found 9/6![Vueling logo]()
$176
One-way flights from Heathrow to PortoSearch for one-way flight options from Heathrow to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Heathrow to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Vueling Global deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:50 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Vueling logo]()
$66
This Vueling Global deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:50 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Vueling logo]()
$71
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:55 am -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Vueling logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:50 pm -
1 stop24h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Vueling logo]()
$75
This Vueling Global deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:50 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Vueling logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:30 pm -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$80
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:50 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Vueling logo]()
$83
This Vueling Global deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Vueling logo]()
$84
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:50 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$87
This Vueling Global deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/148:50 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Vueling logo]()
$88
Find flight deals from Heathrow to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Vueling Global) |
One-way from | $66 (Vueling Global) |
Popular in | December |
Cheapest in | January |
Average price | $276 |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Porto 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, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 10/7
8:50 pm-4:10 pm
1 stop19h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$66
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Thu 12/31
8:50 pm-8:10 am
1 stop11h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$66
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Fri 11/13
8:50 pm-8:10 am
1 stop11h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$71
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 1/27
8:50 pm-8:10 am
1 stop11h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Sun 11/8
8:50 pm-8:10 am
1 stop11h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
Quickest round-trip
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 9/30
9:55 am-4:10 pm
1 stop6h 15m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 9/16
3:00 pm-7:20 am
1 stop16h 20m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$113
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Mon 9/21
3:00 pm-7:30 am
1 stop16h 30m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 12/16
9:55 am-6:00 pm
2 stops8h 05m
Porto
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Tue 11/17
8:50 pm-8:10 am
1 stop11h 20m
Porto
Sat 11/21
8:05 pm-2:45 pm
1 stop18h 40m
$156
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Heathrow to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Heathrow with our price prediction graph.
LHR-OPO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Porto
How far ahead should I book a flight from London Heathrow Airport to Porto?
The price you pay for your flight from London Heathrow Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London Heathrow Airport to Porto?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of $199). Flying from London Heathrow Airport to Porto in December is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from London Heathrow Airport to Porto?
Airfare is below average for this route at the moment.
London Heathrow Airport to Porto flights typically cost between $234 and $382 in October.The cheapest round-trip price found within the last 5 days was $140 on Vueling (Oct 31-Nov 7).
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated September 11, 2026.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL from London Heathrow Airport to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.3
Entertainment
6.4
Overall
7.2
Boarding
7.0
Comfort
7.2
Crew
7.8
Reviews
1 / 20
4.0
OkaySergio,Sep 2026
IBZ - LIS
Food
6.3
Entertainment
6.4
Overall
7.2
Boarding
7.0
Comfort
7.2
Crew
7.8
Reviews
1 / 20
4.0
OkaySergio,Sep 2026
IBZ - LIS
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Heathrow
Popular flights
Porto flight routes
Alternative routes for Heathrow to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Heathrow to Porto by cabin class
Find flights from Heathrow to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Heathrow and Porto flights
Browse other Heathrow and Porto flight options. Last updated on September 11, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Top airline flying from Heathrow to Porto
Discover the top airline that operate flights from Heathrow to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$318 | FlexibilityNo cancel fee | On-timeN/A |