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.

$688 Cheap Flights from Montana to Petersburg in 2025/26

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6:35 am - 10:52 amMSO-PSG

30h 17m3 stops

3:33 pm - 11:55 pmPSG-MSO

30h 22m3 stops

$688Alaska Airlines

Find Deal

Mon, Apr 20 - Fri, Apr 24

2:35 pm - 10:52 amMSO-PSG

22h 17m3 stops

11:40 am - 11:55 pmPSG-MSO

10h 15m2 stops

$695Alaska Airlines

Find Deal

Mon, Apr 20 - Fri, Apr 24

6:35 am - 2:41 pmMSO-PSG

10h 06m2 stops

11:40 am - 11:55 pmPSG-MSO

10h 15m2 stops

$701Alaska Airlines

Find Deal

Mon, Apr 20 - Fri, Apr 24

Alaska Airlines flights from Montana to Petersburg, Alaska

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

Alaska Airlines

Apr 20

MSO6:35 amMissoula Johnson-Bell Field

30h 17m

3 stops

PSG10:52 amPetersburg

Apr 24

PSG3:33 pmPetersburg

30h 22m

3 stops

MSO11:55 pmMissoula Johnson-Bell Field

$688

Find similar

Alaska Airlines

Apr 20

MSO2:35 pmMissoula Johnson-Bell Field

22h 17m

3 stops

PSG10:52 amPetersburg

Apr 24

PSG11:40 amPetersburg

10h 15m

2 stops

MSO11:55 pmMissoula Johnson-Bell Field

$695

Find similar

Alaska Airlines

Apr 20

MSO6:35 amMissoula Johnson-Bell Field

10h 06m

2 stops

PSG2:41 pmPetersburg

Apr 24

PSG11:40 amPetersburg

10h 15m

2 stops

MSO11:55 pmMissoula Johnson-Bell Field

$701

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

Mon 4/20

6:35 am-10:52 am

3 stops30h 17m

Petersburg

Fri 4/24

3:33 pm-11:55 pm

3 stops30h 22m

$688

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Mon 4/20

2:35 pm-10:52 am

3 stops22h 17m

Petersburg

Fri 4/24

11:40 am-11:55 pm

2 stops10h 15m

$695

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Mon 4/20

6:35 am-2:41 pm

2 stops10h 06m

Petersburg

Fri 4/24

11:40 am-11:55 pm

2 stops10h 15m

$701

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

Direct flights	None

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.

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Cheap flights from Montana to Petersburg from $688

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 4/20. 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

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