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.

$454 Cheap Flights from Portugal to Montana in 2026

1 adult

0 bags

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Find the cheapest flights from Portugal to Montana

Round-trip

One-way

Recent round-trip flight deals from Portugal to Montana

Enter your travel dates to find the best prices.

10:25 am - 1:33 pm

LIS

FCA

34h 08m

2 stops

6:31 am - 8:10 am

FCA

LIS

19h 39m

2 stops

$1,235United Airlines

Sat, Oct 24 - Wed, Oct 28

10:25 am - 1:33 pm

LIS

FCA

34h 08m

2 stops

6:31 am - 10:15 am

FCA

LIS

21h 44m

2 stops

$1,236United Airlines

Sat, Oct 24 - Wed, Oct 28

United Airlines flights from Portugal to Montana

Our best United Airlines deals on Portugal to Montana flight tickets

United Airlines

Oct 24

LIS10:25 amLisbon Humberto Delgado

34h 08m

2 stops

FCA1:33 pmKalispell Glacier Park

Oct 28

FCA6:31 amKalispell Glacier Park

19h 39m

2 stops

LIS8:10 amLisbon Humberto Delgado

$1,235

United Airlines

Oct 24

LIS10:25 amLisbon Humberto Delgado

34h 08m

2 stops

FCA1:33 pmKalispell Glacier Park

Oct 28

FCA6:31 amKalispell Glacier Park

21h 44m

2 stops

LIS10:15 amLisbon Humberto Delgado

$1,236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Sat 10/24

10:25 am-1:33 pm

2 stops34h 08m

Kalispell Glacier Park

Wed 10/28

6:31 am-8:10 am

2 stops19h 39m

$1,235

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Sat 10/24

10:25 am-1:33 pm

2 stops34h 08m

Kalispell Glacier Park

Wed 10/28

6:31 am-10:15 am

2 stops21h 44m

$1,236

Cheapest one-way

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Thu 9/10

6:10 am-7:53 pm

3 stops44h 43m

$454

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Thu 9/10

6:10 am-7:53 pm

3 stops44h 43m

$457

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Thu 9/10

11:35 am-7:53 pm

2 stops39h 18m

$565

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Mon 9/7

6:00 am-10:56 pm

3 stops47h 56m

$580

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Sat 9/12

6:10 am-10:56 pm

3 stops47h 46m

$599

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Mon 9/7

6:00 am-10:56 pm

3 stops47h 56m

$622

Quickest one-way

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Sun 9/6

8:15 am-11:35 am

3 stops34h 20m

$624

LisbonKalispell

LIS - FCA

LISFCA

Lisbon Humberto Delgado

Fri 9/11

9:20 am-1:28 pm

3 stops35h 08m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted 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 22% 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

Fastest flight time	34h 08m
Direct flights	None

The fastest flight from Portugal to Montana takes 34h 08m

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

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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.