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.

$512 Cheap Flights from Montana to Petersburg, Alaska in 2026

Find the cheapest flights from Montana to Petersburg

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:46 pm - 12:03 pm

MSO

PSG

22h 17m

3 stops

3:08 pm - 3:34 pm

PSG

MSO

22h 26m

3 stops

$701Alaska Airlines

Sat, Oct 31 - Wed, Nov 4

2:06 pm - 12:03 pm

MSO

PSG

23h 57m

3 stops

11:45 am - 12:08 pm

PSG

MSO

22h 23m

2 stops

$707Alaska Airlines

Sat, Oct 31 - Wed, Nov 4

3:46 pm - 12:03 pm

MSO

PSG

22h 17m

3 stops

3:08 pm - 3:34 pm

PSG

MSO

22h 26m

3 stops

$721Alaska Airlines

Sat, Oct 31 - Wed, Nov 4

2:06 pm - 12:03 pm

MSO

PSG

23h 57m

3 stops

11:45 am - 12:08 pm

PSG

MSO

22h 23m

2 stops

$727Alaska Airlines

Sat, Oct 31 - Wed, Nov 4

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Alaska Airlines flights from Montana to Petersburg, Alaska

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

Alaska Airlines

Oct 31

MSO3:46 pmMissoula Johnson-Bell Field

22h 17m

3 stops

PSG12:03 pmPetersburg

Nov 4

PSG3:08 pmPetersburg

22h 26m

3 stops

MSO3:34 pmMissoula Johnson-Bell Field

$701

Alaska Airlines

Oct 31

MSO2:06 pmMissoula Johnson-Bell Field

23h 57m

3 stops

PSG12:03 pmPetersburg

Nov 4

PSG11:45 amPetersburg

22h 23m

2 stops

MSO12:08 pmMissoula Johnson-Bell Field

$707

Alaska Airlines

Oct 31

MSO3:46 pmMissoula Johnson-Bell Field

22h 17m

3 stops

PSG12:03 pmPetersburg

Nov 4

PSG3:08 pmPetersburg

22h 26m

3 stops

MSO3:34 pmMissoula Johnson-Bell Field

$721

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Sat 10/31

3:46 pm-12:03 pm

3 stops22h 17m

Petersburg

Wed 11/4

3:08 pm-3:34 pm

3 stops22h 26m

$701

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Sat 10/31

2:06 pm-12:03 pm

3 stops23h 57m

Petersburg

Wed 11/4

11:45 am-12:08 pm

2 stops22h 23m

$707

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Sat 10/31

3:46 pm-12:03 pm

3 stops22h 17m

Petersburg

Wed 11/4

3:08 pm-3:34 pm

3 stops22h 26m

$721

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Sat 10/31

2:06 pm-12:03 pm

3 stops23h 57m

Petersburg

Wed 11/4

11:45 am-12:08 pm

2 stops22h 23m

$727

Cheapest one-way

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Fri 7/17

7:59 pm-10:43 am

3 stops40h 44m

$512

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Fri 7/17

5:00 pm-1:52 pm

2 stops22h 52m

$600

Quickest one-way

MissoulaPetersburg

MSO - PSG

MSOPSG

Missoula Johnson-Bell Field

Fri 7/17

7:59 pm-10:43 am

1 stop16h 44m

$680

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Montana to Petersburg, Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Montana to Petersburg?

Alaska Airlines is the most popular carrier operating from Montana to Petersburg

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	22h 17m
Direct flights	None

The fastest flight from Montana to Petersburg, Alaska takes 22h 17m

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

Search flight deals

Frequently asked questions about flying from Montana to Petersburg, Alaska

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.

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.