What is the cheapest airline to fly from Denver to Petersburg, Alaska round-trip?

Cheapflights users have booked flights from Denver to Petersburg, Alaska round-trip from $973.

In terms of precipitation, rainfall in Petersburg, Alaska ranges from 5.1 - 16.3 inches per month. October is typically the wettest month, when rainfall can reach 16.3 in. June is typically the driest time to visit Petersburg, Alaska when rainfall is around 5.1 in.

If weather is an important factor for your trip to Petersburg, Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 55.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest time of day to fly from DEN to PSG?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Petersburg, Alaska as you normally would.

Can I find deals for flights from Denver to Petersburg that include hotel bookings?

Yes. In addition to deals on Denver to Petersburg flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Denver to Petersburg?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Petersburg.

Can I find deals for business class flights from Denver to Petersburg?

Yes. Cheapflights offers flight deals from Denver to Petersburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$973+ Flights from Denver to Petersburg, AK

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Cheap flight deals from Denver to Petersburg

Round-trip from	$973 (Alaska Airlines)

From Denver Intl to Petersburg

Search Deals

Find flight deals from Denver to Petersburg

Cheapest flights from Denver to Petersburg
Explore the most affordable flight options available from Denver to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 12/208:00 amDEN - PSG

1 stop28h 52mAlaska Airlines

Sat 12/273:09 pmPSG - DEN

1 stop21h 36mAlaska Airlines

Deal found 7/28

$977

Best flights from Denver to Petersburg
Discover carefully curated flight deals from Denver to Petersburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 12/208:00 amDEN - PSG

2 stops28h 52mAlaska Airlines

Sat 12/273:09 pmPSG - DEN

1 stop21h 36mAlaska Airlines

Deal found 7/29

$973

Fly from

Fly to

Route

Depart

Return

Price

DenverPetersburg

DEN - PSG

DENPSG

Denver Intl

Sat 12/20

8:00 am-10:52 am

2 stops28h 52m

Petersburg

Sat 12/27

3:09 pm-2:45 pm

1 stop21h 36m

$973

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Denver to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Denver with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Petersburg

Peruse reviews from past customers who have flown with Alaska Airlines from Denver to Petersburg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What is the cheapest airline to fly from Denver to Petersburg, Alaska round-trip?
Cheapflights users have booked flights from Denver to Petersburg, Alaska round-trip from $973.
Can I find deals for flights from Denver to Petersburg that include hotel bookings?
Yes. In addition to deals on Denver to Petersburg flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Petersburg?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Petersburg.
Can I find deals for business class flights from Denver to Petersburg?
Yes. Cheapflights offers flight deals from Denver to Petersburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Denver to Petersburg

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$582	Average$1,041	FlexibilityNo cancel fee	On-time75%

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$973+ Cheap flights from Denver to Petersburg, AK (DEN - PSG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Petersburg with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Denver to Petersburg

Round-trip from

Find flight deals from Denver to Petersburg

Cheapest flights from Denver to PetersburgExplore the most affordable flight options available from Denver to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Denver to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Petersburg that are best for you.

Best time to book a flight from Denver to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Denver with our price prediction graph.

Reviews of airlines servicing Petersburg

Peruse reviews from past customers who have flown with Alaska Airlines from Denver to Petersburg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Denver to Petersburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Denver to Petersburg, Alaska round-trip?

Can I find deals for flights from Denver to Petersburg that include hotel bookings?

How can I find direct flights from Denver to Petersburg?

Can I find deals for business class flights from Denver to Petersburg?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Petersburg

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Denver to Petersburg

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Travel Smart

Cheapest flights from Denver to Petersburg
Explore the most affordable flight options available from Denver to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.