$382 Flights from Porto (OPO) to Las Vegas (LASA)

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Flight deals from Porto to Las Vegas

Looking for a cheap last-minute deal or the best round-trip flight from Porto to Las Vegas? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Porto to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Las Vegas flights are currently cheapest in February.

Alternative Porto to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Porto to Las Vegas? You could fly into the following airports instead.

Porto to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$382
Cheapest month to flyFebruary

Finding cheap flights from Porto to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid, Henderson Executive, and Boulder City Municipal.
The best price we found for a round-trip flight from Porto to Las Vegas is $573. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Las Vegas. But we found flights with one or more stops from $573.
There are no flights flying from Porto to Las Vegas, as of December 2025.
The cheapest month to fly from Porto to Las Vegas is usually February.
If you're flying from Porto Airport, the cheapest airport near Las Vegas is Harry Reid – which is 2.7 miles away from the center of Las Vegas. We've found flights to this airport from $573.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Las Vegas on Saturday, February 21, 2026.
No airlines currently offer direct flights between Porto Airport and Las Vegas. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 42°F. July is typically the warmest month in Las Vegas, when it usually averages around 99°F. You can expect the least rain in June. The coldest month is December, with temperatures averaging 32°F. The rainiest month is February.
Currently, Air Transat offers the cheapest flight tickets to Las Vegas.

Traveling from Porto Airport (OPO) to Las Vegas: what you need to know

  • Porto Airport is located in Porto. Based in the UTC-7 timezone, Las Vegas is seven hours behind Porto.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your OPO to Las Vegas flight.

  • Delays at check-in and security are likely if you're jetting off during high season, so allow even more breathing space. A good general rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • We make it simple to book plane tickets from OPO to Las Vegas with a stopover. To see all your options, deselect 'Direct flights only.' Next, pick a flight offering a stop long enough to explore your chosen city. Popular stopovers include:

    • Newark Liberty International Airport (EWR)

    • Logan International Airport (BOS)

    • London Gatwick Airport (LGW)

  • OPO is around 7 miles from central Porto. If you're catching a cab, driving or ride-sharing from the center, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 50 minutes.

  • Planning to catch an early flight from Porto Airport to Las Vegas? Avoid rushing to the terminal (and catch some extra z's) by choosing one of these stays near OPO:

  • Of the flights that depart from Porto Airport, 74.49% land on time at their destination.

How to find the cheapest flights from Porto Airport (OPO) to Las Vegas

  • The lowest price we've found for a one-way Porto Airport to Las Vegas flight is $382. The cheapest price for a return flight is $573. Bear in mind fares may change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to land cheap flights from OPO to Las Vegas if you book in advance. Airlines often have some amazing early bird discounts.

  • The 'Whole month' tool will show you the cheapest tickets from Porto Airport to Las Vegas across the month. It's a good way to snap up a bargain if your plans are flexible.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll update you the moment there's an even bigger deal on cheap flights from OPO to Las Vegas.

  • Find an affordable flight from Porto Airport to Las Vegas with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is around 12 miles from central Las Vegas. If you're opting for a ride-share or a cab, the drive takes roughly 15 minutes.

  • Getting there by public transport will take you around 1 hour.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Porto Airport to Las Vegas. Reserve one of these accommodation options near LAS instead:

  • Explore without limits with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up your wheels from Dollar, Thrifty or Alamo and venture far and wide through Las Vegas and beyond.

  • Lock in the best rate by booking your vehicle from Harry Reid Airport (formerly McCarran Airport) around one week ahead of your flight from OPO to Las Vegas.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Carefully consider your dates before securing your flight from Porto Airport to Las Vegas. The city comes alive during high season, but rates are typically higher and attractions can be busy. Plan your trip to Las Vegas in the low season if you want a quieter vibe.

  • The warmest month in Las Vegas is July, with temperatures ranging between 73ºF and 108ºF. Book your Porto Airport to Las Vegas plane ticket then if that's your idea of comfortable weather.

  • Search for cheap tickets from OPO to Las Vegas in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 30ºF and 55ºF on average.

More about Las Vegas

  • Start your Las Vegas trip off on the right foot by choosing the ideal place to stay. After booking your flight from Porto Airport to Las Vegas, explore our selection of accommodation options including:

  • There are so many things to discover in this city it can be hard to know where to begin. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are major attractions which should feature on any well-planned Las Vegas itinerary.

Explore more of United States

  • Los Angeles is just one of the many places in United States waiting to be explored once you've taken in the sights of Las Vegas. Around 230 miles away to the south-west, well-known attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're looking to explore another great destination in United States, head for Phoenix, about 260 miles south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.