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Cheap flights from Las Vegas Harry Reid International to Porto

Compare Las Vegas Harry Reid International to Porto flight deals

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

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Flight deals from Las Vegas Harry Reid International to Porto

Looking for a cheap last-minute deal or the best return flight from Las Vegas Harry Reid International to Porto? Find the lowest prices on one-way and return tickets right here.
Porto.P35,931 per passenger.Departing Wed, 12 Nov, returning Sat, 22 Nov.Return flight with United.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Wed, 12 Nov, arriving in Porto.Inbound indirect flight with United, departs from Porto on Sat, 22 Nov, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P35,931, select.
Porto.P36,323 per passenger.Departing Tue, 28 Oct, returning Sat, 22 Nov.Return flight with United.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Tue, 28 Oct, arriving in Porto.Inbound indirect flight with United, departs from Porto on Sat, 22 Nov, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P36,323, select.
Porto.P39,005 per passenger.Departing Mon, 1 Dec, returning Mon, 8 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Mon, 1 Dec, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Mon, 8 Dec, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P39,005, select.
Porto.P41,994 per passenger.Departing Mon, 13 Oct, returning Wed, 29 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Mon, 13 Oct, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 29 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P41,994, select.
Porto.P53,893 per passenger.Departing Tue, 30 Sep, returning Tue, 7 Oct.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Tue, 30 Sep, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Tue, 7 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P53,893, select.
Porto.P71,974 per passenger.Departing Tue, 19 Aug, returning Tue, 16 Sep.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Las Vegas Harry Reid International on Tue, 19 Aug, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Tue, 16 Sep, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P71,974, select.
Porto.P76,507 per passenger.Departing Sun, 7 Sep, returning Mon, 15 Sep.Return flight with United.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Sun, 7 Sep, arriving in Porto.Inbound indirect flight with United, departs from Porto on Mon, 15 Sep, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P76,507, select.
Porto.P94,876 per passenger.Departing Fri, 22 Aug, returning Fri, 29 Aug.Return flight with jetBlue and TAP Air Portugal.Outbound indirect flight with jetBlue, departs from Las Vegas Harry Reid International on Fri, 22 Aug, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Fri, 29 Aug, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From P94,876, select.

Find the cheapest month to fly from Las Vegas Harry Reid International to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas Harry Reid International to Porto flights are currently cheapest in November.
Aug
from P94,876
Sep
from P76,507
Oct
from P41,994
Nov
from P35,931
Dec
from P39,005
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Las Vegas Harry Reid International to Porto: Alternative routes

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

Las Vegas to Porto: Flight information

The things to know before you go.
Cheapest flight foundP36,056
Cheapest month to flyNovember

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

The best price we found for a return flight from Las Vegas Harry Reid International to Porto is P36,056. 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 Harry Reid International to Porto. But we found flights with one or more stops from P36,056.
As of August 2025, there are no flights flying from Las Vegas Harry Reid International to Porto.
The cheapest month to fly from Las Vegas Harry Reid International to Porto is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Las Vegas Harry Reid International Airport to Porto Airport on Wednesday, 12 November 2025.
No airlines currently offer direct flights between Las Vegas Harry Reid International Airport 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.
Currently, United offers the cheapest flight tickets to Porto.

Travelling from Harry Reid Airport (formerly McCarran Airport) (LAS) to Porto Airport (OPO): what you need to know

  • Porto's timezone is UTC+0, making Porto seven hours ahead of Las Vegas.

  • Get to the airport on time so you don't miss your LAS to OPO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak time like October? Public holidays and other popular seasons can result in longer lines and delays at check-in and security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Harry Reid Airport (formerly McCarran Airport) to Porto Airport. Here are the top stopovers between LAS and OPO:

    • Newark Liberty International Airport

    • Amsterdam Airport Schiphol

    • John F. Kennedy International Airport

How to find the cheapest flights from Harry Reid Airport (formerly McCarran Airport) (LAS) to Porto Airport (OPO)

  • The cheapest price we've seen for a one-way Harry Reid Airport (formerly McCarran Airport) to Porto Airport flight is P16,371. A round-trip fare is currently P36,056. Depending on the availability when you book, these fares may change.

  • It's often best to book in advance if you want to find cheap tickets from LAS to OPO. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Harry Reid Airport (formerly McCarran Airport) to Porto Airport across the entire month. It's a great way to snap up a bargain if your trip dates are flexible.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as there's a better deal on cheap flights from LAS to OPO.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Harry Reid Airport (formerly McCarran Airport) to Porto Airport.

Handy information about Harry Reid Airport (formerly McCarran Airport) (LAS)

  • LAS's address is 5757 Wayne Newton Boulevard.

  • Harry Reid Airport (formerly McCarran Airport) earns top marks for its on-time performance. 82.07% of flights that depart LAS reach their destination without delay.

  • To get to Harry Reid Airport (formerly McCarran Airport) from central Las Vegas, it'll take around 15 minutes if you're going by car. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

  • Catching public transport? You can expect a journey time of around 1 hour.

  • Need a handy hotel near LAS? If you're boarding an early flight from Harry Reid Airport (formerly McCarran Airport) to Porto Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Porto Airport (OPO)

  • Book a hotel near OPO if you have a late Harry Reid Airport (formerly McCarran Airport) to Porto Airport flight. Check in to one of these accommodation options and skip the long transfer:

  • Pick up a Porto Airport rental car and discover Porto and beyond with your own set of wheels. Klass Wagen, Goldcar and Drive & Go are leading providers to choose from here.

  • To lock in the lowest price, reserve your ride from Porto Airport about three weeks ahead.

Getting from Porto Airport (OPO) to central Porto

  • From Porto Airport, Porto is approximately 16 kilometres away. It takes around 20 minutes to drive to the centre.

  • When travelling by public transport, expect a journey time of around 50 minutes.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Harry Reid Airport (formerly McCarran Airport) to Porto Airport. To escape the crowds, head to Porto in January.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Harry Reid Airport (formerly McCarran Airport) to Porto Airport in this month if you like this kind of weather.

  • Search for cheap tickets from LAS to OPO in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • You've done Porto, now it's time to discover more of Portugal. Journey around 274 kilometres south to Lisbon to check off its leading attractions. From Torre de Belem Garden to Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle, there's plenty to keep you on the go.

  • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Experience major highlights starting with Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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 45 days.