HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Petersburg

$901+ Cheap flights from Missoula to Petersburg, AK (MSO - 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — PSG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Petersburg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missoula to Petersburg

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Petersburg (PSG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$901
(Alaska Airlines)
From Missoula Johnson-Bell Field to Petersburg
Search Deals

Find flight deals from Missoula to Petersburg

Cheapest flights from Missoula to Petersburg
Explore the most affordable flight options available from Missoula to Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:13 pmMSO - PSG
2 stops23h 54mAlaska Airlines
Thu 7/1711:29 amPSG - MSO
2 stops25h 48mAlaska Airlines
Deal found 6/10$901

Cheapflights Fare Finder

Customize your flight search to find flights from Missoula to Petersburg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Missoula to Petersburg that are best for you.

Fly from

Missoula

Fly to

Petersburg

Route

Depart

Return

Price

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Thu 7/10

4:13 pm-2:07 pm

2 stops23h 54m

Petersburg

Thu 7/17

11:29 am-3:17 pm

2 stops25h 48m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Missoula to Petersburg

Have a flexible travel schedule? Discover the best time to fly to Petersburg from Missoula 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.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Petersburg

Rainfall in Petersburg by month

Plan your trip to Petersburg by taking into account the average rainfall totals by month.

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.

Temperature in Petersburg by month

Plan your trip to Petersburg by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Petersburg

Get insights into the airlines that provide service to Petersburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Petersburg. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

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

  • How can I find direct flights from Missoula to Petersburg?

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

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

    Yes. Cheapflights offers flight deals from Missoula 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.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.