$253 Cheap Flights to Porto
One-way
Departing from
United States
Going to
Porto, Portugal
Porto (OPO)
Portugal • February, 2026
97% AI deal score
$1,220 $489
Porto (OPO)
Portugal • April, 2026
95% AI deal score
$3,260 $1,657
Porto (OPO)
Portugal • August, 2026
87% AI deal score
$915 $253
Top Cheap Flight Deals from United States to Porto
Recent round-trip flight deals to Porto
Wed, Feb 25 - Fri, Mar 6
Cheapest
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$1,020
$363
-$657
64%
Wed, Feb 25 - Wed, Mar 4
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$1,020
$365
-$655
64%
Mon, Feb 23 - Wed, Mar 4
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$1,020
$366
-$654
64%
Mon, Mar 9 - Wed, Mar 18
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$630
$366
-$264
42%
Mon, Feb 23 - Tue, Mar 3
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$1,020
$367
-$653
64%
Mon, Mar 9 - Wed, Mar 18
Boston (BOS) - Porto (OPO)
United Airlines airlines • 1 stop • New York (EWR)
Porto (OPO) - Boston (BOS)
United Airlines airlines • 1 stop • New York (EWR)
$630
$367
-$263
42%
The cheapest time to fly to Porto
Ready to jet to Porto on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from United States to Porto
To help you plan your journey, here are some quick Porto flight facts and tips.
Porto city airports
Porto is primarily served by Francisco Sá Carneiro Airport (OPO), commonly known as Porto Airport. It's located about 11 km (7 miles) northwest of Porto's city center, making it easily accessible by metro, bus, or taxi. As the second-busiest airport in Portugal, Porto Airport offers a wide range of domestic and international flights, connecting you to major cities across Europe, as well as some intercontinental destinations. The airport is modern and well-equipped with various amenities, including shops, restaurants, car rental services, and currency exchange. Several airlines operate from Porto Airport, including Ryanair, TAP Air Portugal, easyJet, and others, providing travelers with many choices for flights and fares.
Pro tip: search “Porto (Any)” to see fares to all Porto airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Porto
Cheapest airport
Santiago de Compostela (SCQ)
Located in northwest Spain, Santiago de Compostela Airport (SCQ) is a gateway to both Galicia and northern Portugal, offering a cost-effective alternative for travelers heading to Porto; plus, it's your chance to explore the pilgrimage city of Santiago!
Nonstop vs. 1-stop
20+ cities
Francisco Sá Carneiro Airport, better known as Porto Airport, is a secondary airport that offers routes to more than 20 cities, mostly within Europe. Many popular routes connect through Porto to destinations like London, Paris, and Barcelona.
Number of airlines
30+ airlines
Flying in and out of Porto? You'll be happy to know that more than 30 airlines operate here, including popular full-service carriers like TAP Air Portugal, Lufthansa, and British Airways, as well as low-cost options such as Ryanair and easyJet.
OPO Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
OPO airport insights
Best days to catch a deal
Mon, Fri
Based on the provided data, Wednesday is the best day to find a deal for Porto airport. Sunday also offers a good chance of finding cheaper flights compared to other days.
Avg. deal survival time
6.0 hours
Deals from or to airport Porto typically survive for 6.0 hours. Act fast to secure the best prices before they disappear.
Rare deal frequency
16 deals
We found 16 rare deals for flights to airport Porto in the past month. These rare deals had an AI Deal Score of 90+, and usually include mistake fares, special promotions, or ultra-discounts.
Average price drop
-72%
The average price drop for flights to Porto is 72.5%, making it a great destination to find affordable flight deals. Keep an eye out for discounts to this vibrant Portuguese city and book when prices are at their lowest.
Next 4 weeks: deal forecast
Porto Flight Forecast - Next Month
Based on current trends, flights to Porto in March 2026 are expected to remain stable. There are no major price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on February 11
Varna - OPO
$663 → $65
90%
Found on February 16
São Vicente - OPO
$1,105 → $112
90%
Found on February 13
Sarajevo - OPO
$560 → $60
89%
Found on February 16
Sal - OPO
$923 → $107
88%
Found on February 13
Sharm El Sheikh - OPO
$765 → $101
87%
Check these nearby airports too
Looking for more options? These airports near OPO sometimes drop rare deals too:
Porto (OPO)
~6 rare deals/month
Vigo–Peinador (VGO)
~6 rare deals/month
Vila Real (VRL)
~12 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially OPO and VGO for long-haul deal surprises.
When Is the Best Time to Fly from United States to Porto
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Porto:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to Porto. During this time, you can explore the city's charming streets and historical sites with fewer crowds and more affordable accommodations. While the weather may be cooler, the cozy cafes and port wine cellars offer a warm and inviting escape.
Best day to book
Tuesday
Best day to book
Tuesday is often the best day to book your flight to Porto. Airlines tend to release new deals at the beginning of the week, so booking on Tuesday gives you a chance to snag the latest discounts. Keep an eye on prices throughout the day, as flash sales and limited-time offers can pop up unexpectedly.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to Porto on Wednesday can save you some serious cash. Mid-week flights are generally less popular, leading to lower fares. Plus, you'll breeze through the airport with shorter security lines and more elbow room on the plane.
Advance booking sweet spot
2 months
Advance booking sweet spot
Booking your flight to Porto about two months in advance hits the sweet spot. This timeframe usually offers a balance between availability and affordability. You'll have a wider range of flight options to choose from, increasing your chances of finding the perfect itinerary at the best price.
Porto Airports & Ground Transportation
One big question for travelers is which Porto airport to fly into. Here’s a quick guide to Porto’s airports and how to get to the city from each:
Francisco Sá Carneiro Airport (OPO)
Welcome to Francisco Sá Carneiro Airport, your gateway to the vibrant city of Porto! Just a short ride from the city center, this modern airport offers a smooth travel experience. You'll find a variety of shops, restaurants, and lounges to relax in before or after your flight. Getting to Porto is a breeze with metro, bus, and taxi services readily available right outside the terminal. The Metro do Porto (Line E - Violet) directly connects the airport to the city center in about 30 minutes.
Tip: Take advantage of the free Wi-Fi to plan your adventures in Porto upon arrival!
Other airports
While Porto Airport (OPO) is your best bet for flying directly into the city, consider these alternatives if you're hunting for a bargain! Santiago de Compostela Airport (SCQ) in Spain is about a 2.5-hour drive north, offering potentially cheaper flights but adding ground transportation costs; Vigo Airport (VGO), also in Spain, sits a bit closer but might have fewer flight options. From either SCQ or VGO, you can grab a bus or rent a car for a scenic (but potentially tiring) ride to Porto.
Airport transfers
What to Do in Porto
Porto isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Porto, organized by interest:
Sightseeing & landmarks
Porto is like a box of architectural chocolates! From the iconic Dom Luís I Bridge to the historic Livraria Lello, your camera will be working overtime. Don't forget to climb the Clérigos Church tower for a panoramic view that's pure Instagram gold.
Arts & culture
Dive into Porto's artistic soul by exploring the Serralves Museum, a contemporary art haven. Wander through the Ribeira district, a UNESCO World Heritage site, where colorful buildings whisper stories of centuries past. Catch a Fado show for a taste of Portugal's soulful music.
Food & nightlife
Get ready for a culinary adventure in Porto! Sample the famous Francesinha sandwich, and sip on Port wine in Vila Nova de Gaia. As the sun sets, the city comes alive with vibrant nightlife, from cozy bars to energetic clubs.
Shopping & fashion
Shopaholics, rejoice! Porto offers a mix of traditional and modern shopping experiences. Explore Rua de Santa Catarina for trendy boutiques, and discover unique souvenirs at the Bolhão Market. For a touch of luxury, head to the Serralves Foundation shop for curated design items.
Nearby getaways
Escape the city buzz with a day trip to the Douro Valley, a breathtaking landscape of vineyards and wineries. Explore the historic town of Guimarães, known as the birthplace of Portugal, or relax on the sandy beaches of Vila Nova de Gaia. Adventure awaits just a short journey from Porto!
Events in Porto This Month
them flying monkeys concert
Explore the music of Them Flying Monkeys on Shazam, including their top songs, tour dates, latest releases, and music videos.
stand up comedy - friday 13th dark valentine's - live in porto
This Valentine's Day, comedy gets dangerous! Enjoy a night filled with dirty jokes, toxic confessions, and savage punchlines as we explore the hilarious side of love and relationships.
candlelight: the lord of the rings
Experience the magic of Middle-earth with Candlelight: The Lord of the Rings, a concert celebrating the 25th anniversary of the iconic film trilogy through its memorable music.
Porto Weather
Weather in Porto
Tue, Feb 17
35%
14° 12°
35%
Wed, Feb 18
Frequently Asked Questions About Flights to Porto
Pro Tips for Finding Cheap Flights to Porto
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Porto flights:
Be a Flight Detective!: Use flight comparison websites to sniff out the best deals from various airlines. Websites like Google Flights, Kayak, and Skyscanner can be your magnifying glass for finding those hidden gems.
Fly on the 'Off' Days: Typically, mid-week flights (Tuesday, Wednesday, Thursday) are less expensive than weekend flights. Everyone wants to fly when they don't have to work, so why not zig when others zag and save some money?
