$40 Cheap Flights from Porto to United Kingdom
One-way
Departing from
Porto
Going to
United Kingdom
London (LTN)
United Kingdom • January, 2027
85% AI deal score
$265 $45
Manchester (MAN)
United Kingdom • July, 2026
82% AI deal score
$295 $40
Edinburgh (EDI)
United Kingdom • April, 2026
66% AI deal score
$255 $104
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to United Kingdom. Fares are subject to change and may not be available for all dates. (Data last updated 4/3/2026).
Top Cheap Flight Deals from Porto to United Kingdom
Recent round-trip flight deals to United Kingdom
Tue, May 26 - Mon, Jun 22
Cheapest
Porto (OPO) - Manchester (MAN)
easyJet UK airlines • Direct
Manchester (MAN) - Porto (OPO)
easyJet UK airlines • Direct
$88
Tue, May 26 - Tue, Jun 23
Porto (OPO) - Manchester (MAN)
easyJet UK airlines • Direct
Manchester (MAN) - Porto (OPO)
easyJet UK airlines • Direct
$88
Thu, Jun 25 - Mon, Jun 29
Porto (OPO) - Manchester (MAN)
easyJet UK airlines • Direct
Manchester (MAN) - Porto (OPO)
easyJet UK airlines • Direct
$295
$93
-$202
68%
Thu, May 21 - Mon, Jun 1
Porto (OPO) - London (LGW)
easyJet UK airlines • Direct
London (LGW) - Porto (OPO)
easyJet UK airlines • Direct
$75
$96
+$21
28%
Thu, May 21 - Tue, Jun 2
Porto (OPO) - London (LGW)
easyJet UK airlines • Direct
London (LGW) - Porto (OPO)
easyJet UK airlines • Direct
$75
$97
+$22
29%
Wed, May 13 - Mon, Jun 1
Porto (OPO) - London (LGW)
easyJet UK airlines • Direct
London (LGW) - Porto (OPO)
easyJet UK airlines • Direct
$75
$97
+$22
29%
The cheapest time to fly to United Kingdom
Ready to jet to United Kingdom on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from Porto to United Kingdom
Need to get to United Kingdom ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flights to London
We found flights to London departing in the next two weeks, with prices starting from $91.
⌛ Last-Minute
Porto - GB
A great last-minute steal for a cross-country flight.
Found 2 days ago
$163
one-way
Facts About Flights from Porto to United Kingdom
To help you plan your journey, here are some quick United Kingdom flight facts and tips.
United Kingdom airports
The United Kingdom boasts a comprehensive network of airports, connecting the country to destinations worldwide. Among the busiest and most significant are Heathrow (LHR), Edinburgh Airport (EDI), Gatwick (LGW), and Manchester (MAN). Heathrow, located near London, stands as the UK's largest and busiest airport, serving as a global hub for international travel. Edinburgh Airport, Scotland's busiest airport, provides extensive domestic and international connections, serving as a gateway to Scotland's vibrant capital and beyond. Gatwick, situated south of London, is another major international airport handling a large volume of passengers traveling to various destinations. Manchester Airport, located in Northern England, serves as a crucial aviation hub for the region, offering a wide range of domestic and international flights. These airports provide a wide array of services, including numerous airlines, extensive retail and dining options, and various transportation links to city centers and surrounding areas, ensuring seamless connectivity for travelers.
Heathrow (LHR)
London, United Kingdom
Edinburgh Airport (EDI)
Edinburgh, United Kingdom
Gatwick (LGW)
London, United Kingdom
Manchester (MAN)
Manchester, United Kingdom
Pro tip: search “United Kingdom (Any)” to see fares to all United Kingdom airports – sometimes one is cheaper than the others on your dates.
Insights for flights to United Kingdom
Cheapest airport
London Stansted (STN)
Looking for a steal? London Stansted (STN) is often the go-to for budget airlines, making it a prime candidate for cheap flights to the UK. While it's a bit outside central London, its IATA code is STN and the airport has great connections to the city and other parts of the UK, so you can save those pounds for exploring!
Nonstop vs. 1-stop
50+ cities
LTN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
LTN airport insights
Best days to catch a deal
Mon, Tue
Based on the provided data, Thursday is the best day to find cheaper flight deals from Luton Airport. Saturday is also a good option for potentially securing a deal.
Avg. deal survival time
19.7 hours
Deals from Luton airport survive on average for 19.7 hours. This short lifespan highlights the importance of booking quickly when you find a good offer.
Rare deal frequency
4 deals
We found 4 rare deals for flights from Luton Airport in the past month thanks to our advanced AI. These rare deals, which received an AI Deal Score of 90+, were typically mistake fares, special promotions, or ultra-discounts.
Average price drop
-87%
On average, flights to Luton airport experience a price drop of 86.9%, making it a potentially great destination for budget travelers. This significant price decrease suggests that booking flights to Luton could lead to substantial savings.
Next 4 weeks: deal forecast
Luton Airport Next Month Forecast
Based on current trends, flight prices from Luton Airport are expected to remain stable next month. There are no significant price drops or increases anticipated based on the current data as of April 1, 2026.
Top 5 biggest price drops (last 3 months)
Found on March 26
Genoa - LTN
$3,810 → $42
99%
Found on March 30
Cologne - LTN
$5,550 → $102
98%
Found on March 31
Podgorica - LTN
$5,675 → $96
98%
Found on March 31
Paderborn - LTN
$3,980 → $118
97%
Found on March 27
Dortmund - LTN
$680 → $30
96%
Check these nearby airports too
Looking for more options? These airports near LTN sometimes drop rare deals too:
Birmingham (BHX)
~5 rare deals/month
London City (LCY)
~10 rare deals/month
Norwich (NWI)
~9 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially BHX and LCY for long-haul deal surprises.
When Is the Best Time to Fly from Porto to United Kingdom
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to United Kingdom:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London. The city is less crowded after the holiday season, so you can explore its attractions at a more leisurely pace. While it might be chilly, the lower prices and fewer tourists make it a great time for a visit.
Best day to book
Tuesday
Best day to book
Booking your flight on a Tuesday can often save you money. Airlines tend to release deals early in the week to fill seats. Keep an eye on prices and be ready to snag a deal!
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying mid-week, especially on Wednesdays, is often cheaper. Many business travelers fly on Mondays and Fridays, increasing demand and prices. Flying on Wednesday can help you avoid the peak and save some money.
Advance booking sweet spot
2 months
Advance booking sweet spot
Booking about two months in advance is often the sweet spot for London flights. This gives you a good balance between availability and price. Don't wait too long, or you might miss out on the best deals!
Seasonal considerations
Distinct
United Kingdom Airports & Ground Transportation
One big question for travelers is which United Kingdom airport to fly into. Here’s a quick guide to United Kingdom’s airports and how to get to the city from each:
London Heathrow Airport (LHR)
London Heathrow Airport (LHR) is one of the world's busiest international airports, serving as a major hub connecting London to destinations worldwide. With multiple terminals, it offers a vast array of shops, restaurants, and lounges to keep travelers entertained and comfortable. Conveniently located, Heathrow provides easy access to central London via the Heathrow Express train, which whisks you to Paddington Station in just 15 minutes. Alternatively, the London Underground (Piccadilly Line) offers a more budget-friendly option, though the journey takes a bit longer. To navigate Heathrow like a pro, download the airport app for real-time flight updates and terminal maps!
Tip: Check your terminal in advance to save time.
London Gatwick Airport (LGW)
London Gatwick Airport (LGW) is a bustling airport serving a wide range of destinations. Gatwick boasts a variety of shops, restaurants, and services to cater to travelers' needs. Getting to and from central London is a breeze, thanks to the Gatwick Express train, offering a swift 30-minute journey to Victoria Station. Southern Railway also provides regular train services, with a slightly longer travel time. To make the most of your time at Gatwick, familiarize yourself with the terminal layout beforehand.
What to Do in United Kingdom
United Kingdom isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in United Kingdom, organized by interest:
Sightseeing & landmarks
Get ready to explore iconic landmarks like the Tower of London, Buckingham Palace, and the London Eye! Don't forget to snap some photos with Big Ben and wander through the historic streets.
Arts & culture
Immerse yourself in London's vibrant arts scene with world-class museums like the British Museum and the National Gallery. Catch a show in the West End, or explore the trendy art galleries in Shoreditch.
Food & nightlife
Indulge in London's diverse culinary scene, from traditional pubs to Michelin-starred restaurants. As the sun sets, explore the city's buzzing nightlife with trendy cocktail bars and live music venues.
Shopping & fashion
Shop 'til you drop in London's famous shopping destinations like Oxford Street and Harrods. Discover unique fashion finds in the boutiques of Covent Garden and Carnaby Street.
Nearby getaways
Escape the city for a day trip to charming destinations like Stonehenge, the Cotswolds, or the university city of Cambridge. These quick getaways offer a refreshing change of scenery and a glimpse into England's rich history.
No matter your interest – be it art, food, nightlife, or nature – United Kingdom has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Events in United Kingdom This Month
easter hunt at vauxhall city farm 2026
Participate in our annual Easter Egg Hunt this Easter! Head to our Community Garden to search for hidden eggs and clues, which you can then exchange for a delicious chocolate egg. Enjoy a fun-filled Easter activity with the whole family.
lush stratford city | easter half-term bath bomb workshop
Join us this Easter half-term at Lush Stratford City and create your very own adorable Munching Bunny bath bomb for only £3.50! This Easter Half-Term, learn how to make bath bombs at Lush Stratford City.
United Kingdom Weather
Weather in United Kingdom
Wed, Apr 1
25%
13° 6°
25%
Thu, Apr 2
Frequently Asked Questions About Flights to United Kingdom
Pro Tips for Finding Cheap Flights to United Kingdom
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on United Kingdom flights:
Be Flexible With Your Dates: Sometimes shifting your travel dates by a day or two can lead to significant savings. Mid-week flights are often cheaper than weekend flights, and flying during the off-season can also reduce costs. Keep your options open and watch the prices drop!
