How do I get Price Alerts for flights from Montana to Petersburg, Alaska?

Confirm your travel details to search for the latest offers for flights from Montana to Petersburg, Alaska . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Montana to Petersburg, Alaska with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Montana to Petersburg Airport?

Prices for flights from Montana to Petersburg Airport are updated daily.

How old do you have to be to fly from Montana to Petersburg Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Petersburg Airport.

What documentation or ID do you need to fly to Petersburg Airport?

The travel and health documents you'll need for your trip to Petersburg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Petersburg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$543 Cheap Flights from Montana to Petersburg in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montana to Petersburg

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 11:00 am

MSO

PSG

20h 40m3 stops

3:10 pm - 11:55 pm

PSG

MSO

30h 45m3 stops

$543Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

6:23 am - 11:00 am

MSO

PSG

30h 37m3 stops

11:46 am - 12:23 pm

PSG

MSO

22h 37m2 stops

$549Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

Alaska Airlines flights from Montana to Petersburg, Alaska

Our best Alaska Airlines deals on Montana to Petersburg, Alaska flight tickets

Alaska Airlines

Jan 30

MSO6:23 amMissoula Johnson-Bell Field

30h 37m

3 stops

PSG11:00 amPetersburg

Feb 2

PSG3:10 pmPetersburg

22h 21m

3 stops

MSO3:31 pmMissoula Johnson-Bell Field

$543

Find similar

Alaska Airlines

Jan 30

MSO4:20 pmMissoula Johnson-Bell Field

20h 40m

3 stops

PSG11:00 amPetersburg

Feb 2

PSG11:46 amPetersburg

22h 37m

2 stops

MSO12:23 pmMissoula Johnson-Bell Field

$549

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Fri 1/30

4:20 pm-11:00 am

3 stops20h 40m

Petersburg

Mon 2/2

3:10 pm-11:55 pm

3 stops30h 45m

$543

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Fri 1/30

6:23 am-11:00 am

3 stops30h 37m

Petersburg

Mon 2/2

11:46 am-12:23 pm

2 stops22h 37m

$549

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Montana to Petersburg, Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Petersburg, Alaska

Fastest flight time	30h 37m
Direct flights	None

The fastest flight from Montana to Petersburg, Alaska takes 30h 37m

There are no direct flights from Montana to Petersburg, Alaska. There are no popular flight routes from Montana to Petersburg, Alaska.

Search flight deals

When did momondo last update prices for flights from Montana to Petersburg Airport?
Prices for flights from Montana to Petersburg Airport are updated daily.
How old do you have to be to fly from Montana to Petersburg Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Petersburg Airport.
What documentation or ID do you need to fly to Petersburg Airport?
The travel and health documents you'll need for your trip to Petersburg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Petersburg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Montana to Petersburg, Alaska?
Confirm your travel details to search for the latest offers for flights from Montana to Petersburg, Alaska. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Montana to Petersburg, Alaska with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Petersburg?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Petersburg. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Petersburg with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Petersburg from Montana with this policy.

How can momondo help me find flights from Montana to Petersburg?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montana to Petersburg.

I’m not ready to book a flight from Montana to Petersburg right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montana to Petersburg flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Petersburg, Alaska trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 1/27

Tue 2/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from Montana to Petersburg from $543

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Petersburg departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montana to Petersburg

Cheap round-trip flights

Alaska Airlines flights from Montana to Petersburg, Alaska

Our best Alaska Airlines deals on Montana to Petersburg, Alaska flight tickets

momondo Fare Finder

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

Cheap Montana to Petersburg, Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Petersburg, Alaska

Fastest flight time

Direct flights

When did momondo last update prices for flights from Montana to Petersburg Airport?

How old do you have to be to fly from Montana to Petersburg Airport?

What documentation or ID do you need to fly to Petersburg Airport?

How do I get Price Alerts for flights from Montana to Petersburg, Alaska?

How can I save money on flights from Montana to Petersburg, Alaska with momondo?

How does momondo find its flight prices?

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Petersburg?

Can I find flights from Montana to Petersburg with flexible booking policies on momondo?

How can momondo help me find flights from Montana to Petersburg?

I’m not ready to book a flight from Montana to Petersburg right now. Can momondo alert me if prices change?

An easier way to manage your Petersburg, Alaska trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Alaska