The cheapest times to fly from PSG to GST are

  • May 21st to July 15th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from PSG to GST is early to mid July. Prices can be as high as $504 for Thursday flights during late July, or as low as $438 for Tuesday flights around early to mid July.


When to Fly to Gustavus

Flying from Petersburg, AK (PSG) to Gustavus, AK (GST) will usually cost between $438 to $488 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid July with an average ticket price of $438. Due to high demand the most expensive time to fly is late July, with an average price of $490. Planning your trip to low-cost times can easily save you $52 on economy flights and even more on first-class flights. Generally, any price below $442 can be considered a good price for a round-trip PSG to GST flight.

See below for a graph of average weekly prices for the PSG to GST route. All prices are for round-trip tickets in USD.

PSG to GST Flight Prices

Compared to other flights, the PSG to GST flight is much cheaper than the average and costs much less than the average flight leaving from Petersburg. The average price per mile (for a direct flight) is $1.8, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to GST, and Sunday the cheapest day to fly back into PSG. Thursdays are the most expensive days to fly to Gustavus, and Wednesdays are the most expensive days to return to Petersburg. Selecting flights on the least expensive days could save you up to $9 (2%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $439. Return trip prices are from the GST to PSG flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from PSG to GST can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 15 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from PSG to GST while comparing.

Destination alternative #1: Juneau International Airport (JNU) in Juneau, AK

  • 41 miles (66 km) away from GST
  • Usually 44.80% less expensive than GST
  • Nonstop flights available

See PSG to JNU flights

Destination alternative #2: Sitka Rocky Gutierrez Airport (SIT) in Sitka, AK

  • 96 miles (154 km) away from GST
  • Usually 35.52% less expensive than GST
  • 1-layover flights available

See PSG to SIT flights


Flight Questions Answered

Still have questions about flying from PSG to GST? We’ve got answers.

Which airlines fly this route?

You can find 1 major airline flying this route most often: Alaska, and potentially more during busy seasons.

How far away is it from Gustavus Airport to Petersburg James A Johnson Airport?

The distance between the two airports is roughly 152 miles or 245 kilometers.

How long does it take to fly from PSG to GST?

The real-world flight time for a nonstop PSG to GST flight is about 1 hour 15 minutes.

How many flights go between Petersburg, AK and Gustavus, AK?

It depends on the day of the week and the date, but a typical day might have around 3 available flights from PSG to GST.


Airport Location Info


Departing Airport

Origination code PSG
Origination airport name Petersburg James A Johnson Airport
City Petersburg, AK
Country the United States
Latitude 56.8
Longitude -132.9

Return Airport

Destination code GST
Destination airport name Gustavus Airport
City Gustavus, AK
Country the United States
Latitude 58.4
Longitude -135.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.