$460 Cheap Flights from Billings (BIL) to Petersburg (PSG)

View $460 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Petersburg, AK (PSG)

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Cheap Flights from Billings to Petersburg (BIL-PSG)

Prices were available within the past 7 days and start at $460 for one-way flights and $1,459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Aug 24 - Fri, Aug 29
BIL
Billings
PSG
Petersburg
$1,459 Roundtrip, found 1 day ago
$1,459
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Billings to Petersburg, returning Fri, Aug 29, priced at $1,459 found 1 day ago
Alaska Airlines
Sun, Aug 24 - Fri, Aug 29
BIL
Billings
PSG
Petersburg
$1,572 Roundtrip, found 1 day ago
$1,572
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Billings to Petersburg, returning Fri, Aug 29, priced at $1,572 found 1 day ago
Alaska Airlines
Sun, Aug 24 - Fri, Aug 29
BIL
Billings
PSG
Petersburg
$1,854 Roundtrip, found 1 day ago
$1,854
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Billings to Petersburg, returning Fri, Aug 29, priced at $1,854 found 1 day ago
Alaska Airlines
Sun, Aug 24 - Fri, Aug 29
BIL
Billings
PSG
Petersburg
$1,973 Roundtrip, found 1 day ago
$1,973
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Billings to Petersburg, returning Fri, Aug 29, priced at $1,973 found 1 day ago
Flights from Billings (BIL) to Petersburg (PSG)
Origin airport
Logan Intl.
Destination airport
Petersburg
Airlines serving
Alaska Airlines
Roundtrip price
$1,458
Distance
1287 mi

Billings to Petersburg Flights

The cheapest times to fly from Billings 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 Billings to Petersburg are during the month of August. You can find some of the cheapest flights from Billings to Petersburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Petersburg

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Petersburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $460 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 Billings 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 Billings 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.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Petersburg Airport (PSG) cost?
Discover the latest flight deals from BIL to PSG 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 BIL to PSG?
The cheapest flights from BIL to PSG 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 BIL to PSG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIL to PSG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BIL) to Petersburg Airport (PSG)?
Nonstop flights from Logan Intl. Airport (BIL) to Petersburg Airport (PSG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIL to PSG?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year 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 Logan Intl. Airport (BIL) to Petersburg Airport (PSG)?
To avoid potential delays on the Logan Intl. Airport (BIL) to Petersburg Airport (PSG) route, aim to 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 Logan Intl. Airport (BIL) to Petersburg Airport (PSG) last-minute?
Booking your ticket from BIL to PSG shortly before your trip is usually more expensive. However, if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a BIL to PSG flight and hotel package?
You'll generally save money by securing a BIL to PSG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Petersburg Airport (PSG)?
Typically, it's possible to cancel or reschedule your BIL to PSG flight. However, for bookings made more than 24 hours ago, additional fees 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.