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

Prices for flights from Portugal to Montana were last updated today.

How old do you have to be to fly from Portugal to Montana?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Montana.

What documentation or ID do you need to fly to Montana?

The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,128 Cheap Flights from Portugal to Montana in 2026

Find the cheapest flights from Portugal to Montana

Round-trip

Recent round-trip flight deals from Portugal to Montana

Enter your travel dates to find the best prices.

5:00 am - 9:46 pmLIS Lisbon Humberto Delgado-FCA Kalispell Glacier Park

23h 46m2 stops Frankfurt am Main Denver Intl

2:42 pm - 10:20 amFCA Kalispell Glacier Park-LIS Lisbon Humberto Delgado

36h 38m2 stops Denver Intl Washington, D.C. Dulles Intl

$1,128United Airlines

Thu, Dec 10 - Sun, Dec 13

6:05 am - 1:33 pmLIS Lisbon Humberto Delgado-FCA Kalispell Glacier Park

38h 28m2 stops Munich Franz Josef Strauss Denver Intl

6:15 am - 10:05 amFCA Kalispell Glacier Park-LIS Lisbon Humberto Delgado

20h 50m2 stops Denver Intl Washington, D.C. Dulles Intl

$1,141United Airlines

Thu, Dec 10 - Sun, Dec 13

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United Airlines flights from Portugal to Montana

Our best United Airlines deals on Portugal to Montana flight tickets

United Airlines

Dec 10

LIS5:00 amLisbon Humberto Delgado

23h 46m

2 stops

FCA9:46 pmKalispell Glacier Park

Dec 13

FCA2:42 pmKalispell Glacier Park

36h 38m

2 stops

LIS10:20 amLisbon Humberto Delgado

$1,128

United Airlines

Dec 10

LIS6:05 amLisbon Humberto Delgado

38h 28m

2 stops

FCA1:33 pmKalispell Glacier Park

Dec 13

FCA6:15 amKalispell Glacier Park

20h 50m

2 stops

LIS10:05 amLisbon Humberto Delgado

$1,141

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonKalispell

LIS Lisbon Humberto Delgado - FCA Kalispell Glacier Park

LISFCA

Lisbon Humberto Delgado

Thu 12/10

5:00 am-9:46 pm

2 stops23h 46m

Kalispell Glacier Park

Sun 12/13

2:42 pm-10:20 am

2 stops36h 38m

$1,128

Quickest round-trip

LisbonKalispell

LIS Lisbon Humberto Delgado - FCA Kalispell Glacier Park

LISFCA

Lisbon Humberto Delgado

Thu 12/10

6:05 am-1:33 pm

2 stops38h 28m

Kalispell Glacier Park

Sun 12/13

6:15 am-10:05 am

2 stops20h 50m

$1,141

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portugal to Montana

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

Can stopping save me money on Portugal to Montana flights?

You could potentially save up to 39% on your flight if you consider stops on a Portugal to Montana flight.

Cheap Portugal to Montana flight deals and tips

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

Best Price Found	$1,128
Fastest flight time	38h 28m
Direct flights	None

The best flight deal from Portugal to Montana found on momondo in the last 72 hours is $1,128

The fastest flight from Portugal to Montana takes 38h 28m

There are no direct flights from Portugal to Montana. There are no popular flight routes from Portugal to Montana.

Search flight deals

Frequently asked questions about flying from Portugal to Montana

When did momondo last update prices for flights from Portugal to Montana?
Prices for flights from Portugal to Montana were last updated today.
How old do you have to be to fly from Portugal to Montana?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Montana.
What documentation or ID do you need to fly to Montana?
The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Portugal to Montana flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montana that suits you.

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

All flight searches from Portugal to Montana on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montana from Portugal.

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

Price alerts on flights to Montana from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.