Skyscanner home

680 € Cheap Flights from Las Vegas to Porto

Compare Las Vegas to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Las Vegas to Porto

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Porto Airport? If you want to travel next month, return fares start from 729 €. Find the lowest prices on one-way and return tickets right here.
Porto.680 € per passenger.Departing Wed, 7 Oct, returning Wed, 14 Oct.Return flight with Frontier Airlines and Iberia.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 7 Oct, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Wed, 14 Oct, arriving in Harry Reid International.Price includes taxes and charges.From 680 €, select.
Porto.699 € per passenger.Departing Mon, 17 Aug, returning Wed, 2 Sep.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 17 Aug, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Wed, 2 Sep, arriving in Harry Reid International.Price includes taxes and charges.From 699 €, select.
Porto.718 € per passenger.Departing Fri, 20 Nov, returning Sat, 28 Nov.Return flight with WestJet and Ryanair.Outbound indirect flight with WestJet, departs from Harry Reid International on Fri, 20 Nov, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Sat, 28 Nov, arriving in Harry Reid International.Price includes taxes and charges.From 718 €, select.
Porto.729 € per passenger.Departing Sat, 15 Aug, returning Fri, 28 Aug.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sat, 15 Aug, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Fri, 28 Aug, arriving in Harry Reid International.Price includes taxes and charges.From 729 €, select.
Porto.775 € per passenger.Departing Wed, 2 Sep, returning Mon, 2 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Harry Reid International on Wed, 2 Sep, arriving in Porto.Inbound indirect flight with British Airways, departs from Porto on Mon, 2 Nov, arriving in Harry Reid International.Price includes taxes and charges.From 775 €, select.
Porto.832 € per passenger.Departing Thu, 3 Sep, returning Sun, 13 Sep.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 3 Sep, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Sun, 13 Sep, arriving in Harry Reid International.Price includes taxes and charges.From 832 €, select.
Porto.1.042 € per passenger.Departing Fri, 24 Jul, returning Fri, 31 Jul.Return flight with Air France.Outbound indirect flight with Air France, departs from Harry Reid International on Fri, 24 Jul, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Fri, 31 Jul, arriving in Harry Reid International.Price includes taxes and charges.From 1.042 €, select.

Find the cheapest month to fly from Las Vegas to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to Porto flights are currently cheapest in October.
Jul
from 1.042 €
Aug
from 729 €
Sep
from 832 €
Oct
from 680 €
Nov
from 718 €
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
Find prices

Las Vegas to Porto: Alternative routes

Compare routes from Las Vegas to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Porto

12km from central Porto
ClosestCheapest
from 680 €
Search flights

Vila Real

76km from central Porto
Search flights

Viseu G. Lobato

81km from central Porto
Search flights

Las Vegas to Porto: Flight information

The things to know before you go.
Cheapest flight found680 €
Cheapest month to flyOctober

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

The best price we found for a return flight from Las Vegas to Porto is 680 €. 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 Las Vegas to Porto. But we found flights with one stop from 680 €.
As of July 2026, there are no flights flying from Las Vegas to Porto.
The cheapest month to fly from Las Vegas to Porto is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Porto Airport on Wednesday, 7 October 2026.
No airlines currently offer direct flights between Las Vegas and Porto Airport. 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 Porto 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 Porto is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Porto is Frontier Airlines .

Travelling from Las Vegas to Porto Airport (OPO): What you need to know

  • Porto Airport is located in Porto. The city operates on the UTC+0 timezone and is eight hours ahead of Las Vegas.

  • Leave enough time to make your flight from Las Vegas to OPO. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Peak months like March or holiday periods such as Thanksgiving and Christmas/New Year will mean longer lines at check-in and security. If you're travelling then, play it safe and head to the terminal even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a smart idea.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Think about adding a stopover to find cheap flights from Las Vegas to OPO. Simply deselect 'Direct flights only' when searching for departures from Las Vegas Harry Reid International Airport (LAS). Take a break from travelling at one of these popular options:

    • Amsterdam Schiphol Airport (AMS)

    • New York John F. Kennedy International Airport (JFK)

    • Newark Liberty International Airport (EWR)

  • Located around 8 kilometres from the centre of Las Vegas, LAS can be reached in about 10 minutes by car, depending on traffic. The journey on public transport takes roughly 25 minutes.

  • Looking for a convenient hotel close to Las Vegas Harry Reid International Airport? If you're catching an early flight from Las Vegas to Porto Airport, these stays will have you sleeping a quick hop from check-in:

  • 79% of flights that depart Las Vegas Harry Reid International Airport land at their destination on time.

  • LAS is located at 5757 Wayne Newton Boulevard.

About Porto Airport (OPO)

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Las Vegas to Porto Airport. Get comfy at one of these accommodation options near OPO instead:

  • Booking your ride around three weeks ahead of your Las Vegas to Porto Airport flight can help you get the lowest rate.

Getting from Porto Airport (OPO) to central Porto

  • From Porto Airport, central Porto is around 11 kilometres away. It takes about 20 minutes to get to the city centre by car.

  • If you're travelling on public transport, expect a journey of about 30 minutes.

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

  • The lowest price we've found for a one-way ticket from Las Vegas to Porto Airport is 238 €. For a return flight on this route, the best price is 680 €. Depending on how early you book and the availability, these fares could change.

  • To pick up cheap flights from Las Vegas to OPO, book in advance. Airlines generally offer lower prices when tickets are first released.

  • Affordable Las Vegas to Porto Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' tool to compare fares across every month and then fly out on the cheapest day.

  • Locking in a cheap plane ticket from Las Vegas to OPO is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Find the best deal on a flight from Las Vegas to Porto Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

The best time to fly from Las Vegas to Porto Airport (OPO)

  • August is the busiest month for flights from Las Vegas to Porto Airport (OPO). Plan your visit to Porto in December for a quieter experience.

  • Before locking in your Las Vegas to OPO plane ticket, consider what kind of weather works for you. August is the warmest month in Porto, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • January sees temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Search for cheap tickets from Las Vegas to Porto Airport around that time if you want to travel in cooler conditions.

More about Porto

  • After booking your flight from Las Vegas to Porto Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Porto:

  • There are loads of exciting things to do in Porto when you're ready to get out and sightsee. Start exploring at Ribeira District followed by Rio Douro and Livraria Lello.

Explore more of Portugal

  • You've seen Porto, now it's time to explore more of Portugal. Travel around 290 kilometres south to Lisbon to check off its top attractions. From Pasteis de Belém to belém and Real Mosteiro de Santa Maria de Belém, there's plenty to keep you on the go.

  • Amadora is another standout destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without seeing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan the rest of your trip from Las Vegas to Porto

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.