$594 Cheap Flights from Boston (BOS) to Petersburg (PSG)

View $594 flight on Fri, Aug 7, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Petersburg, AK (PSG)

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Cheap Flights from Boston to Petersburg (BOS-PSG)

Prices were available within the past 7 days and start at $594 for one-way flights and $684 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, May 9 - Mon, May 18
BOS
Boston
PSG
Petersburg
$684 Roundtrip, found 19 hours ago
$684
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, May 9 from Boston to Petersburg, returning Mon, May 18, priced at $684 found 19 hours ago
Alaska Airlines
Sat, May 9 - Mon, May 18
BOS
Boston
PSG
Petersburg
$749 Roundtrip, found 19 hours ago
$749
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, May 9 from Boston to Petersburg, returning Mon, May 18, priced at $749 found 19 hours ago
Alaska Airlines
Sat, May 16 - Sat, May 23
BOS
Boston
PSG
Petersburg
$753 Roundtrip, found 21 hours ago
$753
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sat, May 16 from Boston to Petersburg, returning Sat, May 23, priced at $753 found 21 hours ago
Alaska Airlines
Sat, May 16 - Sat, May 23
BOS
Boston
PSG
Petersburg
$949 Roundtrip, found 21 hours ago
$949
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sat, May 16 from Boston to Petersburg, returning Sat, May 23, priced at $949 found 21 hours ago
Alaska Airlines
Mon, Oct 27 - Tue, Oct 28
BOS
Boston
PSG
Petersburg
$1,350 Roundtrip, found 19 hours ago
$1,350
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Boston to Petersburg, returning Tue, Oct 28, priced at $1,350 found 19 hours ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Petersburg Airport (PSG) cost?
Get a cheap one-way flight from $594 or cheap return flight from $684 from Logan Intl. Airport (BOS) to Petersburg Airport (PSG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Petersburg Airport (PSG)?
The cheapest month to fly from BOS to PSG is May, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Petersburg Airport (PSG)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BOS to PSG flight.
How many flights per day from Logan Intl. Airport (BOS) to Petersburg Airport (PSG)?
There aren't any daily direct flights departing from Logan Intl. Airport (BOS) to Petersburg Airport (PSG). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BOS to PSG?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based 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 (BOS) to Petersburg Airport (PSG)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Petersburg Airport (PSG) route, travel before 3 PM. Later flights have a 22% higher chance of being 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 Logan Intl. Airport (BOS) to Petersburg Airport (PSG) last-minute?
Booking your flight from BOS to PSG right before your getaway is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a BOS to PSG flight and hotel package?
Booking a BOS to PSG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Petersburg Airport (PSG)?
If you reserved your BOS to PSG flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Petersburg
Airlines serving
Alaska Airlines
Roundtrip price
$684
Distance
2834 mi

Book with confidence

Book with confidence

Boston to Petersburg Flights

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

 

The best time to book a flight from Boston to Petersburg

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Petersburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $594 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 Boston 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 Boston 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.

 

Boston to Petersburg Flights

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