$351 Cheap Flights from Las Vegas (LAS) to Petersburg (PSG)

View $351 flight on Tue, Jul 7, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Petersburg, AK (PSG)

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Cheap Flights from Las Vegas to Petersburg (LAS-PSG)

Prices were available within the past 7 days and start at $351 for one-way flights and $705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Dec 2 - Sat, Dec 6
LAS
Las Vegas
PSG
Petersburg
$705 Roundtrip, found 1 day ago
$705
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Las Vegas to Petersburg, returning Sat, Dec 6, priced at $705 found 1 day ago
Alaska Airlines
Fri, Nov 14 - Sun, Nov 16
LAS
Las Vegas
PSG
Petersburg
$939 Roundtrip, found 2 days ago
$939
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Nov 14 from Las Vegas to Petersburg, returning Sun, Nov 16, priced at $939 found 2 days ago
Alaska Airlines
Fri, Nov 14 - Sun, Nov 16
LAS
Las Vegas
PSG
Petersburg
$949 Roundtrip, found 2 days ago
$949
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Nov 14 from Las Vegas to Petersburg, returning Sun, Nov 16, priced at $949 found 2 days ago

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG) cost?
Get a cheap one-way flight from $351 or cheap return flight from $705 from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG)?
Planning your getaway for December is a good way to save, as it's the cheapest month for flights between LAS and PSG. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG)?
To find the cheapest airline flying from LAS to PSG, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG)?
There are no daily nonstop flights available from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from LAS to PSG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the carrier and season.*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 Petersburg Airport (PSG)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Petersburg Airport (PSG) last-minute?
Booking your plane ticket from LAS to PSG just before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a LAS to PSG flight and hotel package?
You'll generally save money by securing a LAS to PSG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Petersburg Airport (PSG)?
It's usually possible to cancel or reschedule your LAS to PSG flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Petersburg
Roundtrip price
$705
Distance
1651 mi

Book with confidence

Las Vegas to Petersburg Flights

The cheapest times to fly from Las Vegas to Petersburg

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 Petersburg are during the month of December. You can find some of the cheapest flights from Las Vegas to Petersburg with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Petersburg: 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 Petersburg

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 Petersburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $351 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 Petersburg 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 Petersburg 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.

 

Las Vegas to Petersburg Flights

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*Available to One Key members.