$519 Cheap Flights from Bellingham (BLI) to Petersburg (PSG)

View $519 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Petersburg, AK (PSG)

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Cheap Flights from Bellingham to Petersburg (BLI-PSG)

Prices were available within the past 7 days and start at $519 for one-way flights and $908 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Nov 13 - Mon, Nov 17
BLI
Bellingham
PSG
Petersburg
$908 Roundtrip, found 4 days ago
$908
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Nov 13 from Bellingham to Petersburg, returning Mon, Nov 17, priced at $908 found 4 days ago
Alaska Airlines
Thu, Nov 13 - Mon, Nov 17
BLI
Bellingham
PSG
Petersburg
$1,129 Roundtrip, found 4 days ago
$1,129
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Nov 13 from Bellingham to Petersburg, returning Mon, Nov 17, priced at $1,129 found 4 days ago

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG) cost?
Secure a cheap one-way flight from $519 or cheap return flight from $908 from Bellingham Intl. Airport (BLI) 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 Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG)?
The cheapest month to fly from BLI to PSG is November, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BLI to PSG. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG)?
Direct flights from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BLI to PSG?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG)?
To avoid potential delays on the Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG) route, travel before 3 PM. Departures after this time 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 Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG) last-minute?
Booking your ticket from BLI to PSG just before your getaway is generally more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BLI to PSG flight and hotel package?
Compared with arranging flights and hotels separately, booking a BLI to PSG flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Petersburg Airport (PSG)?
If you booked your BLI 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 ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Bellingham Intl.
Destination airport
Petersburg
Roundtrip price
$907
Distance
701 mi

Book with confidence

Bellingham to Petersburg Flights

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

 

The best time to book a flight from Bellingham to Petersburg

Sunday is one of the best days to book for cheap flights from Bellingham 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 Bellingham 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 Bellingham to Petersburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $519 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 Bellingham 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 Bellingham 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.

 

Bellingham to Petersburg Flights

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*Available to One Key members.