This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OPO
11 Jan — 18 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Porto are usually found in January or February, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from London to Porto
Enter your travel dates to find the best prices.
Cheapest flights from London to Porto
Explore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.
Mon 15/1205:55STN - OPO
1 stop7h 40mRyanair
Wed 17/1220:55OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£73
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Tue 16/1209:10OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£75
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Mon 15/1217:45OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£78
Mon 15/1220:35STN - OPO
Nonstop2h 25mRyanair
Tue 16/1209:10OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£81
Wed 31/1213:45STN - OPO
Nonstop2h 25mRyanair
Wed 31/1220:55OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£83
Sun 14/1208:45STN - OPO
Nonstop2h 25mRyanair
Wed 17/1220:55OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£84
Tue 16/1206:15STN - OPO
Nonstop2h 25mRyanair
Fri 19/1216:05OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£84
Sat 13/1217:10STN - OPO
1 stop15h 45mRyanair
Sat 20/1216:00OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£85
Tue 16/1206:05LGW - OPO
1 stop9h 20mMultiple Airlines
Sat 20/1206:05OPO - LGW
1 stop11h 15mMultiple Airlines
Deal found 10/12£111
Mon 15/1206:20LTN - OPO
1 stop7h 15mMultiple Airlines
Wed 17/1213:55OPO - LTN
2 stops18h 40mMultiple Airlines
Deal found 11/12£118
Mon 15/1206:20LTN - OPO
1 stop7h 15mMultiple Airlines
Thu 18/1210:15OPO - LTN
Nonstop2h 25mMultiple Airlines
Deal found 10/12£119
Mon 15/1209:40LGW - OPO
Nonstop2h 25measyJet
Wed 17/1219:45OPO - LGW
Nonstop2h 20measyJet
Deal found 10/12£120
Best flights from London to Porto
Discover carefully curated flight deals from London to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.
Sun 10/509:35LGW - OPO
Nonstop2h 25measyJet
Fri 15/506:35OPO - LGW
Nonstop2h 25measyJet
Deal found 11/12£74
Tue 20/106:15STN - OPO
Nonstop2h 25mRyanair
Thu 22/106:10OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£76
Sun 11/106:10STN - OPO
Nonstop2h 25mMultiple Airlines
Fri 16/106:30OPO - STN
2 stops17h 05mMultiple Airlines
Deal found 10/12£86
Fri 13/312:25LHR - OPO
1 stop6h 35mTAP AIR PORTUGAL
Fri 27/318:00OPO - LHR
1 stop18h 40mTAP AIR PORTUGAL
Deal found 12/12£134
Wed 18/308:05LGW - OPO
1 stop8h 20measyJet
Sat 21/309:40OPO - LGW
Nonstop2h 20measyJet
Deal found 11/12£74
Thu 29/110:00LHR - OPO
1 stop5h 25mKLM
Sun 1/205:00OPO - LHR
1 stop7h 05mKLM
Deal found 11/12£149
Wed 11/313:45STN - OPO
Nonstop2h 25mRyanair
Fri 13/311:10OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£76
Sat 11/406:05LTN - OPO
Nonstop2h 30measyJet
Sat 18/409:10OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£77
Fri 23/106:10STN - OPO
1 stop6h 45mRyanair
Mon 26/108:45OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£78
Fri 23/106:50LTN - OPO
Nonstop2h 30mMultiple Airlines
Mon 26/106:30OPO - LTN
1 stop5h 15mMultiple Airlines
Deal found 11/12£87
Mon 16/315:20LTN - OPO
Nonstop2h 30measyJet
Thu 19/310:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£78
Sun 11/112:00STN - OPO
1 stop7h 20mRyanair
Tue 10/206:30OPO - STN
1 stop10h 45mRyanair
Deal found 11/12£79
Sun 11/115:30LGW - OPO
1 stop15h 20mMultiple Airlines
Sun 25/121:15OPO - LGW
Nonstop2h 15mMultiple Airlines
Deal found 12/12£92
Fri 6/218:35LGW - OPO
1 stop13h 35measyJet
Sun 8/221:15OPO - LGW
Nonstop2h 15measyJet
Deal found 10/12£80
Fri 9/106:10STN - OPO
1 stop6h 45mRyanair
Sun 11/109:30OPO - STN
1 stop9h 30mRyanair
Deal found 10/12£80
Fri 6/216:30LTN - OPO
1 stop14h 20mMultiple Airlines
Sun 8/216:20OPO - LTN
Nonstop2h 25mMultiple Airlines
Deal found 10/12£95
Fri 13/306:00STN - OPO
Nonstop2h 25mRyanair
Sun 15/310:00OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£82
Sun 1/318:05LGW - OPO
Nonstop2h 35measyJet
Sun 8/321:15OPO - LGW
Nonstop2h 15measyJet
Deal found 10/12£83
Sun 11/108:30STN - OPO
1 stop14h 15mRyanair
Thu 15/116:45OPO - STN
1 stop14h 20mRyanair
Deal found 11/12£82
Thu 12/209:30LGW - OPO
Nonstop2h 30measyJet
Sun 15/221:15OPO - LGW
Nonstop2h 15measyJet
Deal found 11/12£83
Thu 8/113:40LHR - OPO
1 stop5h 20mTAP AIR PORTUGAL
Mon 12/116:10OPO - LHR
1 stop6h 30mTAP AIR PORTUGAL
Deal found 12/12£135
Sat 10/106:00STN - OPO
1 stop6h 50mRyanair
Sat 17/118:10OPO - STN
1 stop6h 00mRyanair
Deal found 11/12£83
Thu 15/107:15LTN - OPO
Nonstop2h 30measyJet
Sun 18/116:20OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£84
Sun 18/112:25LHR - OPO
1 stop5h 40mTAP AIR PORTUGAL
Wed 21/112:00OPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Deal found 11/12£136
Thu 12/309:30LGW - OPO
Nonstop2h 30measyJet
Thu 26/312:35OPO - LGW
Nonstop2h 25measyJet
Deal found 11/12£84
Sun 25/106:10STN - OPO
Nonstop2h 25mRyanair
Sun 1/207:10OPO - STN
1 stop11h 45mRyanair
Deal found 10/12£84
Mon 19/108:15LHR - OPO
1 stop7h 05mTAP AIR PORTUGAL
Thu 22/107:00OPO - LHR
1 stop5h 40mTAP AIR PORTUGAL
Deal found 11/12£138
Sat 17/108:40LCY - OPO
1 stop6h 45mKLM
Tue 20/111:15OPO - LCY
1 stop5h 20mKLM
Deal found 10/12£169
Sun 1/307:10SEN - OPO
2 stops13h 05mMultiple Airlines
Sun 8/306:00OPO - SEN
1 stop6h 15mMultiple Airlines
Deal found 10/12£133
Thu 5/207:15LTN - OPO
Nonstop2h 30measyJet
Fri 20/220:20OPO - LTN
Nonstop2h 35measyJet
Deal found 10/12£84
Direct flights from London to Porto
Explore direct flight options from London to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 December 2025.
Mon 2/309:45LGW - OPO
Nonstop2h 30measyJet
Thu 5/312:35OPO - LGW
Nonstop2h 25measyJet
Deal found 11/12£74
Thu 5/209:00STN - OPO
Nonstop2h 25mRyanair
Thu 12/219:00OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£74
Sun 11/113:15LTN - OPO
Nonstop2h 25measyJet
Thu 15/110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£74
Mon 2/209:35LGW - OPO
Nonstop2h 30measyJet
Fri 20/212:45OPO - LGW
Nonstop2h 20measyJet
Deal found 10/12£75
Mon 16/305:55STN - OPO
Nonstop2h 25mRyanair
Sun 22/310:00OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£75
Thu 5/207:15LTN - OPO
Nonstop2h 30measyJet
Thu 12/210:15OPO - LTN
Nonstop2h 25measyJet
Deal found 10/12£75
Wed 14/109:35LGW - OPO
Nonstop2h 30measyJet
Sun 18/121:15OPO - LGW
Nonstop2h 15measyJet
Deal found 10/12£75
Sat 28/206:30LGW - OPO
Nonstop2h 30measyJet
Wed 4/312:35OPO - LGW
Nonstop2h 20measyJet
Deal found 11/12£76
Wed 7/117:45STN - OPO
Nonstop2h 25mRyanair
Wed 14/120:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£76
Thu 8/107:15LTN - OPO
Nonstop2h 30measyJet
Thu 22/110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£76
Mon 2/209:35LGW - OPO
Nonstop2h 30measyJet
Fri 13/212:45OPO - LGW
Nonstop2h 20measyJet
Deal found 10/12£77
Thu 5/209:00STN - OPO
Nonstop2h 25mRyanair
Wed 18/220:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£77
Last-minute flights from London to Porto
Discover last-minute flight deals from London to Porto. Data last updated 12 December 2025 and is based on user searches.
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Sun 21/1216:15OPO - STN
Nonstop2h 25mRyanair
Deal found 12/12£75
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Sat 20/1216:00OPO - STN
Nonstop2h 25mRyanair
Deal found 12/12£75
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Mon 15/1217:45OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£78
Sat 13/1219:55STN - OPO
1 stop13h 00mRyanair
Tue 16/1209:10OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£78
Mon 15/1205:55STN - OPO
1 stop7h 40mRyanair
Wed 17/1220:55OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£73
Sun 4/119:25STN - OPO
1 stop15h 00mRyanair
Sat 10/109:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£77
Wed 7/117:45STN - OPO
Nonstop2h 25mRyanair
Wed 14/120:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/12£76
Thu 8/107:15LTN - OPO
Nonstop2h 30measyJet
Thu 22/110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£76
Thu 8/107:15LTN - OPO
Nonstop2h 30measyJet
Thu 15/110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£78
Sat 10/106:00STN - OPO
1 stop6h 50mRyanair
Mon 12/117:45OPO - STN
Nonstop2h 25mRyanair
Deal found 11/12£72
Sat 10/113:30STN - OPO
1 stop6h 05mMultiple Airlines
Mon 12/117:45OPO - STN
Nonstop2h 25mMultiple Airlines
Deal found 11/12£74
Sun 11/113:15LTN - OPO
Nonstop2h 25measyJet
Thu 15/110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/12£74
One-way flights from London to Porto
Search for one-way flight options from London to Porto. Find affordable one-way fares based on user searches. Data last updated 12 December 2025.
Sat 7/311:10STN - OPO
Nonstop2h 25mRyanair
Deal found 10/12£32
Mon 23/209:35LGW - OPO
Nonstop2h 30measyJet
Deal found 10/12£33
Fri 23/106:50LTN - OPO
Nonstop2h 30measyJet
Deal found 11/12£33
Tue 6/109:35LGW - OPO
Nonstop2h 30measyJet
Deal found 10/12£34
Sun 8/306:10STN - OPO
Nonstop2h 25mRyanair
Deal found 10/12£34
Tue 24/209:35LGW - OPO
Nonstop2h 30measyJet
Deal found 10/12£34
Thu 5/207:15LTN - OPO
Nonstop2h 30measyJet
Deal found 9/12£34
Thu 12/315:55STN - OPO
Nonstop2h 25mRyanair
Deal found 10/12£35
Wed 11/217:45STN - OPO
Nonstop2h 25mRyanair
Deal found 9/12£36
Fri 9/109:35LGW - OPO
Nonstop2h 30measyJet
Deal found 12/12£37
Fri 9/106:10STN - OPO
1 stop6h 45mRyanair
Deal found 10/12£37
Mon 16/309:45LGW - OPO
Nonstop2h 30measyJet
Deal found 11/12£38
Find flight deals from London to Porto
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 12 December 2025.
Customise your flight search to find flights from London 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 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from London to Porto that are best for you.
Fly from
London
Fly to
Porto
Route
Depart
Return
Price
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Sun 10/5
09:35-12:00
Nonstop2h 25m
Porto
Fri 15/5
06:35-09:00
Nonstop2h 25m
£74
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Wed 18/3
08:05-16:25
1 stop8h 20m
Porto
Sat 21/3
09:40-12:00
Nonstop2h 20m
£74
LondonPorto
STN - OPO
STNOPO
London Stansted
Tue 20/1
06:15-08:40
Nonstop2h 25m
Porto
Thu 22/1
06:10-08:35
Nonstop2h 25m
£76
LondonPorto
STN - OPO
STNOPO
London Stansted
Wed 11/3
13:45-16:10
Nonstop2h 25m
Porto
Fri 13/3
11:10-13:35
Nonstop2h 25m
£76
LondonPorto
LTN - OPO
LTNOPO
London Luton
Sat 11/4
06:05-08:35
Nonstop2h 30m
Porto
Sat 18/4
09:10-11:35
Nonstop2h 25m
£77
LondonPorto
LTN - OPO
LTNOPO
London Luton
Mon 16/3
15:20-17:50
Nonstop2h 30m
Porto
Thu 19/3
10:15-12:40
Nonstop2h 25m
£78
LondonPorto
STN - OPO
STNOPO
London Stansted
Fri 23/1
06:10-12:55
1 stop6h 45m
Porto
Mon 26/1
08:45-11:10
Nonstop2h 25m
£78
LondonPorto
STN - OPO
STNOPO
London Stansted
Sun 11/1
12:00-19:20
1 stop7h 20m
Porto
Tue 10/2
06:30-17:15
1 stop10h 45m
£79
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Fri 6/2
18:35-08:10
1 stop13h 35m
Porto
Sun 8/2
21:15-23:30
Nonstop2h 15m
£80
LondonPorto
STN - OPO
STNOPO
London Stansted
Fri 9/1
06:10-12:55
1 stop6h 45m
Porto
Sun 11/1
09:30-19:00
1 stop9h 30m
£80
Flights are sorted by cheapest return flights first.
Deals found on 10/12
Showing 1-10 of 60 results
1
2
3
...
6
Best time to book a flight from London to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from London with our price prediction graph.
Estimated return 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 to Porto
How far ahead should I book a flight from London to Porto?
Use this chart to determine the optimal time to book a return flight from London to Porto. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from London to Porto, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London to Porto?
Currently, March is the cheapest month in which you can book a flight from London to Porto (average of £28). Flying from London to Porto in July is currently the most expensive (average of £101). 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.
What is the cheapest time of day to fly from LON to OPO?
Find hourly flight availability from London to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from London to Porto by exploring options for tickets at midday.
What is the cheapest day to fly from London to Porto?
Use this chart to determine the cheapest time to fly return from London to Porto. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London to Porto flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London to Porto?
What’s the top stopover airport for flights from London to Porto?
Share of one-stop return flights from London to Porto chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Lisbon (LIS) – chosen by Cheapflights users on 42% of one-stop itineraries from London to Porto on Cheapflights.
What’s the cheapest stopover airport for flights from London to Porto?
Average return fare for one-stop flights from London to Porto, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Madrid (MAD) is the most affordable one-stop option, with an average return flight price of £106.
What’s the fastest stopover option from London to Porto?
Shortest average travel time for one-stop one-way flights from London to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 5h 10m.
Which airport typically offers the quickest stopover for flights from London to Porto?
Average stopover duration for one-stop one-way flights from London to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 13m.
How often are flights from London to Porto delayed?
About 24% of weekly flights between London and Porto have experienced delays in the past year, with the average delay time being 114 minutes.
What is the most punctual flight time for London to Porto flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Porto flights?
Over the past year, Titan Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 12 December 2025.
See what other customers who have flown with TAP AIR PORTUGAL, easyJet, andRyanair from London to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Long wait standing after checking in at the gate Limited juice selection.
Related info for your journey
Find useful and relevant information for your journey from London to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Porto from London?
Most people fly into Porto (OPO) if they book a flight to Porto from London. On average, Porto has 4 inbound flights from London per day from 10 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.
How long is the flight from London to Porto?
Departing from London to Porto will take you 2h 25m. London and Porto are separated by a distance of 794 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London to Porto round-trip?
According to our current data, easyJet (£37), Ryanair (£53), and British Airways (£59) offers the cheapest pricing from London to Porto. easyJet is priced at 74% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London to Porto one-way?
For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £24. Users have also found prices from £29 and £51 on easyJet and British Airways, respectively.
What are the most popular routes from London to Porto?
While some choose either London Heathrow - Porto or London Stansted - Porto, London Gatwick - Porto is the most popular route from London to Porto.
Can I find deals for flights from London to Porto that include hotel bookings?
Yes. In addition to deals on London to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Porto.
Can I find deals for business class flights from London to Porto?
Yes. Cheapflights offers flight deals from London to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Porto?
Currently, March is the cheapest month in which you can book a flight from London to Porto (average of £28). Flying from London to Porto in July is currently the most expensive (average of £101). 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.
Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Guimarães
Coimbra
Chaves
Viseu
Vila Nova de Gaia
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.
Fly from London to Porto on these airlines
Choose from the following airlines for your flight from London to Porto. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Discover the top 10 airlines that operate flights from London 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 858,174 searches. Data last updated 12 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Porto?
When you search for this flight from London to Porto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from London to Porto?
Cheapflights simply makes it quick and affordable to book flights from London to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from London to Porto with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Porto, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from London to Porto become cheaper?
Yes, Cheapflights offers price alerts on London to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.