$340 Cheap Flights from Denver (DEN) to Petersburg (PSG)

View $340 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Petersburg, AK (PSG)

Cheap Flights from Denver to Petersburg (DEN-PSG)

Prices were available within the past 7 days and start at $340 for one-way flights and $1,023 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Aug 30 - Tue, Sep 16
DEN
Denver
PSG
Petersburg
$1,023 Roundtrip, found 2 days ago
$1,023
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Aug 30 from Denver to Petersburg, returning Tue, Sep 16, priced at $1,023 found 2 days ago
Alaska Airlines
Sun, Aug 31 - Tue, Sep 16
DEN
Denver
PSG
Petersburg
$1,044 Roundtrip, found 2 days ago
$1,044
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Denver to Petersburg, returning Tue, Sep 16, priced at $1,044 found 2 days ago
Alaska Airlines
Mon, Sep 1 - Tue, Sep 16
DEN
Denver
PSG
Petersburg
$1,054 Roundtrip, found 2 days ago
$1,054
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Denver to Petersburg, returning Tue, Sep 16, priced at $1,054 found 2 days ago
Alaska Airlines
Thu, Aug 28 - Tue, Sep 16
DEN
Denver
PSG
Petersburg
$1,078 Roundtrip, found 2 days ago
$1,078
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Denver to Petersburg, returning Tue, Sep 16, priced at $1,078 found 2 days ago
Alaska Airlines
Sat, Aug 30 - Mon, Sep 15
DEN
Denver
PSG
Petersburg
$1,088 Roundtrip, found 2 days ago
$1,088
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Denver to Petersburg, returning Mon, Sep 15, priced at $1,088 found 2 days ago
Alaska Airlines
Thu, May 7 - Sun, May 17
DEN
Denver
PSG
Petersburg
$1,092 Roundtrip, found 3 days ago
$1,092
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 7 from Denver to Petersburg, returning Sun, May 17, priced at $1,092 found 3 days ago
Alaska Airlines
Thu, May 7 - Sun, May 17
DEN
Denver
PSG
Petersburg
$1,094 Roundtrip, found 3 days ago
$1,094
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 7 from Denver to Petersburg, returning Sun, May 17, priced at $1,094 found 3 days ago
Alaska Airlines
Sat, Aug 30 - Sun, Sep 14
DEN
Denver
PSG
Petersburg
$1,109 Roundtrip, found 2 days ago
$1,109
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Denver to Petersburg, returning Sun, Sep 14, priced at $1,109 found 2 days ago
Alaska Airlines
Sun, Aug 31 - Mon, Sep 15
DEN
Denver
PSG
Petersburg
$1,110 Roundtrip, found 2 days ago
$1,110
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Denver to Petersburg, returning Mon, Sep 15, priced at $1,110 found 2 days ago
United
Thu, May 7 - Sun, May 17
DEN
Denver
PSG
Petersburg
$1,178 Roundtrip, found 3 days ago
$1,178
Roundtrip
found 3 days ago
Select United flight, departing Thu, May 7 from Denver to Petersburg, returning Sun, May 17, priced at $1,178 found 3 days ago
Flights from Denver (DEN) to Petersburg (PSG)
Origin airport
Denver Intl.
Destination airport
Petersburg
Roundtrip price
$1,023
Distance
1726 mi

Denver to Petersburg Flights

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

 

The best time to book a flight from Denver to Petersburg

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Petersburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $340 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 Denver 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 Denver 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 Denver Intl. Airport (DEN) to Petersburg Airport (PSG) cost?
Grab a cheap one-way flight from $340 or cheap return flight from $1,023 from Denver Intl. Airport (DEN) to Petersburg Airport (PSG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Petersburg Airport (PSG)?
August is the cheapest month to fly from DEN to PSG. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Petersburg Airport (PSG)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DEN to PSG flight.
How many flights per day from Denver Intl. Airport (DEN) to Petersburg Airport (PSG)?
There are no daily direct flights available from Denver Intl. Airport (DEN) 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 soaring above the clouds in no time.
What day of the week has the most flights from DEN to PSG?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Petersburg Airport (PSG)?
To reach Petersburg Airport (PSG) on time, select a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Denver Intl. Airport (DEN) to Petersburg Airport (PSG) last-minute?
Booking your flight from DEN to PSG just before your trip is usually more expensive. However, if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to PSG flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to PSG flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Petersburg Airport (PSG)?
Typically, you can cancel or modify your DEN to PSG flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.