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677 € Cheap Flights from Porto to Las Vegas

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Flight deals from Porto to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Las Vegas? If you want to travel next month, return fares start from 693 €. Find the lowest prices on one-way and return tickets right here.
Las Vegas.677 € per passenger.Departing Thu, 31 Dec, returning Thu, 7 Jan.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Thu, 31 Dec, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Thu, 7 Jan, arriving in Porto.Price includes taxes and charges.From 677 €, select.
Las Vegas.693 € per passenger.Departing Wed, 10 Jun, returning Sun, 14 Jun.Return flight with Vueling Airlines and Condor.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 10 Jun, arriving in Harry Reid International.Inbound indirect flight with Condor, departs from Harry Reid International on Sun, 14 Jun, arriving in Porto.Price includes taxes and charges.From 693 €, select.
Las Vegas.697 € per passenger.Departing Mon, 17 Aug, returning Wed, 19 Aug.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Mon, 17 Aug, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Wed, 19 Aug, arriving in Porto.Price includes taxes and charges.From 697 €, select.
Las Vegas.697 € per passenger.Departing Mon, 22 Jun, returning Wed, 8 Jul.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Mon, 22 Jun, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Wed, 8 Jul, arriving in Porto.Price includes taxes and charges.From 697 €, select.
Las Vegas.737 € per passenger.Departing Thu, 17 Sep, returning Thu, 24 Sep.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Thu, 17 Sep, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Thu, 24 Sep, arriving in Porto.Price includes taxes and charges.From 737 €, select.
Las Vegas.737 € per passenger.Departing Mon, 14 Sep, returning Thu, 1 Oct.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Mon, 14 Sep, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Thu, 1 Oct, arriving in Porto.Price includes taxes and charges.From 737 €, select.
Las Vegas.737 € per passenger.Departing Mon, 20 Jul, returning Thu, 23 Jul.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Mon, 20 Jul, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Thu, 23 Jul, arriving in Porto.Price includes taxes and charges.From 737 €, select.
Las Vegas.766 € per passenger.Departing Thu, 19 Nov, returning Thu, 26 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from Porto on Thu, 19 Nov, arriving in Harry Reid International.Inbound indirect flight with Aer Lingus, departs from Harry Reid International on Thu, 26 Nov, arriving in Porto.Price includes taxes and charges.From 766 €, select.
Las Vegas.798 € per passenger.Departing Mon, 18 May, returning Mon, 1 Jun.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Porto on Mon, 18 May, arriving in Harry Reid International.Inbound indirect flight with Air France, departs from Harry Reid International on Mon, 1 Jun, arriving in Porto.Price includes taxes and charges.From 798 €, select.
Las Vegas.803 € per passenger.Departing Fri, 22 May, returning Sun, 24 May.Return flight with KLM.Outbound indirect flight with KLM, departs from Porto on Fri, 22 May, arriving in Harry Reid International.Inbound indirect flight with KLM, departs from Harry Reid International on Sun, 24 May, arriving in Porto.Price includes taxes and charges.From 803 €, select.
Las Vegas.817 € per passenger.Departing Thu, 6 Aug, returning Tue, 15 Dec.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Porto on Thu, 6 Aug, arriving in Harry Reid International.Inbound indirect flight with Air Transat, departs from Harry Reid International on Tue, 15 Dec, arriving in Porto.Price includes taxes and charges.From 817 €, select.
Las Vegas.820 € per passenger.Departing Mon, 19 Oct, returning Mon, 26 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Porto on Mon, 19 Oct, arriving in Harry Reid International.Inbound indirect flight with Air France, departs from Harry Reid International on Mon, 26 Oct, arriving in Porto.Price includes taxes and charges.From 820 €, select.
Las Vegas.824 € per passenger.Departing Sat, 6 Feb, returning Tue, 9 Feb.Return flight with Air Transat and Aer Lingus.Outbound indirect flight with Air Transat, departs from Porto on Sat, 6 Feb, arriving in Harry Reid International.Inbound indirect flight with Aer Lingus, departs from Harry Reid International on Tue, 9 Feb, arriving in Porto.Price includes taxes and charges.From 824 €, select.
Las Vegas.830 € per passenger.Departing Tue, 25 Aug, returning Fri, 4 Sep.Return flight with Air Transat and WestJet.Outbound indirect flight with Air Transat, departs from Porto on Tue, 25 Aug, arriving in Harry Reid International.Inbound indirect flight with WestJet, departs from Harry Reid International on Fri, 4 Sep, arriving in Porto.Price includes taxes and charges.From 830 €, select.
Las Vegas.833 € per passenger.Departing Thu, 1 Oct, returning Wed, 30 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Thu, 1 Oct, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Wed, 30 Dec, arriving in Porto.Price includes taxes and charges.From 833 €, select.
Las Vegas.843 € per passenger.Departing Sun, 29 Nov, returning Sat, 12 Dec.Return flight with United.Outbound indirect flight with United, departs from Porto on Sun, 29 Nov, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Sat, 12 Dec, arriving in Porto.Price includes taxes and charges.From 843 €, select.

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 June.
May
from 803 €
Jun
from 693 €
Jul
from 737 €
Aug
from 697 €
Sep
from 737 €
Oct
from 820 €
Nov
from 766 €
Dec
from 849 €
Jan
from 898 €
Feb
from 824 €
Mar
from 848 €
Apr
from 849 €

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.

North Las Vegas

2km from central Las Vegas
Closest
Search flights

Harry Reid International

4km from central Las Vegas
Cheapest
from 677 €
Search flights

Henderson Executive

17km from central Las Vegas
Search flights

Boulder City Municipal

34km from central Las Vegas
Search flights

Porto to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found677 €
Cheapest month to flyDecember

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Porto to Las Vegas is 677 €. 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 677 €.
As of May 2026, there are no flights flying from Porto to Las Vegas.
The cheapest month to fly from Porto to Las Vegas is usually December.
If you're flying from Porto Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from 677 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Las Vegas on Thursday, 31 December 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 May, the average temperature is usually around 21°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Air Transat offers the cheapest flight tickets to Las Vegas.

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

  • Porto Airport is located in Porto. Following the UTC-8 timezone, Las Vegas is eight hours behind Porto.

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

  • You'll likely experience bigger queues in popular months such as August. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

  • A stopover is the ideal opportunity to break up your journey and perhaps even visit a new city. When browsing for plane tickets from OPO to Las Vegas, deselect the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • Newark Liberty International Airport (EWR)

    • Boston Logan International Airport (BOS)

    • London Gatwick Airport (LGW)

  • Travelling from central Porto to OPO takes around 30 minutes on public transport. If you drive, ride-share or take a taxi, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic.

  • Have an early flight from Porto Airport to Las Vegas? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near OPO:

  • Of all flights leaving Porto Airport, 75% land on time at their destination.

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

  • 379 € is the cheapest price we've found for a one-way Porto Airport to Las Vegas flight. A return plane ticket right now is 677 €. Depending on when you book and the availability, these fares may change.

  • To pick up cheap flights from OPO to Las Vegas, book in advance. Airlines usually offer the most competitive fares when flights are first released.

  • If you have flexibility with your travel dates, try using the 'Whole month' tool. It'll give you the cheapest price across each month when looking for a Porto Airport to Las Vegas ticket.

  • You don't need to check every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from OPO to Las Vegas.

  • Tailor your trip with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Porto Airport to Las Vegas.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • The distance from Las Vegas Harry Reid International Airport (LAS) to central Las Vegas is roughly 8 kilometres. It'll take you about 10 minutes to reach the centre driving.

  • Travelling by public transport takes around 25 minutes.

  • If you're coming in on a late flight from Porto Airport to Las Vegas, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near LAS:

  • Booking your ride from Las Vegas Harry Reid International Airport about one week in advance of your flight from OPO to Las Vegas can help you get the best possible rate.

  • LAS is located at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • March is the most popular month for flights from Porto Airport to Las Vegas. To avoid the crowds, plan your trip to Las Vegas in December.

  • Lock in a Porto Airport to Las Vegas plane ticket with a departure in July if you're eager to explore the city during its warmest month. Expect temperatures to range from 23ºC (73ºF) to 43ºC (109ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from OPO to Las Vegas in January when temperatures average between 0ºC (32ºF) and 16ºC (61ºF).

More about Las Vegas

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Las Vegas right here. Check out these options once you've locked in your flight from Porto Airport to Las Vegas:

  • There are so many things to explore in this city it can be difficult to know where to begin. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are top sights which should feature on every Las Vegas itinerary.

Explore more of the United States

  • Los Angeles is just one of the many places in the United States waiting to be discovered after you've seen Las Vegas. Around 370 kilometres away to the southwest, well-known attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • If there's time to check out another major destination in the United States, consider Phoenix, about 418 kilometres southeast of Las Vegas. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are among the biggest draws.

More travel options

Plan the rest of your trip from Porto to Las Vegas

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