$512 Cheap Flights from Las Vegas (LAS) to Teresina (THE)

View $512 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Teresina (THE-Senador Petronio Portella Regional)

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Cheap Flights from Las Vegas to Teresina (LAS-THE)

Prices were available within the past 7 days and start at $512 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Las Vegas (LAS) to Teresina (THE)
Origin airport
Harry Reid Intl.
Destination airport
Senador Petronio Portella Regional
Distance
5451 mi

Las Vegas to Teresina Flights

The cheapest times to fly from Las Vegas to Teresina

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Teresina are during the month of . You can find some of the cheapest flights from Las Vegas to Teresina with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Teresina

Sunday is one of the best days to book for cheap flights from Las Vegas to Teresina: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to Teresina

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Teresina in 2025. You can also book with separate airlines for your outbound and return journeys, from $512 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Teresina flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Teresina airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE) cost?
Discover the latest flight deals from LAS to THE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LAS to THE?
The cheapest flights from LAS to THE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LAS to THE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LAS to THE. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE)?
Direct flights from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LAS to THE?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE) last-minute?
Holding off until right before your break to book a ticket from LAS to THE often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a LAS to THE flight and hotel package?
Compared with arranging hotels and flights separately, booking a LAS to THE flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Senador Petronio Portella Regional Airport (THE)?
Generally, it's possible to cancel or reschedule your LAS to THE flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.