Cheap flights from Las Vegas to Portugal from $291
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Portugal departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Las Vegas to Portugal
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portugal?
The cheapest month to fly to Portugal from Las Vegas is in November. Flight prices, which tend to average around $740, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Las Vegas during January instead. Flights to Portugal in January, while not as cheap as those in November, still average around $791.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Sunday is the cheapest day to fly to Portugal from Las Vegas. The lowest ticket price found for a Sunday departure recently was $909. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,234.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Las Vegas to Portugal during this time can be as low as $948. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,234 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Las Vegas when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $983 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Las Vegas for as low as $719 on momondo.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Portugal?
KLM, British Airways, and Aer Lingus are the most popular carriers operating from Las Vegas Harry Reid Intl to Portugal
What airlines fly to Portugal?
Delta, British Airways and United Airlines are the top three most popular airlines that fly to Portugal from Las Vegas according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 8 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Las Vegas to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Portugal
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Portugal?
Prices for flights from Las Vegas Harry Reid Intl Airport to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Portugal?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Portugal is 8 as of June 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Portugal?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Las Vegas to Portugal
Compare and see reviews for airlines that fly from Las Vegas to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $576 | Free Cancellation | Rating 7.1 9,563 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 7.8 398 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $641 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $645 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom $695 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $696 | Free Cancellation | Rating 6.6 7,028 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Las Vegas to Portugal?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Portugal. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Las Vegas to Portugal with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portugal from Las Vegas with this policy.
How can momondo help me find flights from Las Vegas to Portugal?
Once you have performed a search for Las Vegas to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Las Vegas to Portugal right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Las Vegas to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.