What airlines fly to Portugal?

United Airlines, Delta and KLM are the top three most popular airlines that fly to Portugal from Missoula according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Portugal?

Prices for flights from Missoula Johnson-Bell Field Airport to Portugal are refreshed on a daily basis.

How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Portugal?

As of December 2025, there are 3 operators available to choose from for flights from Missoula Johnson-Bell Field Airport to Portugal.

How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Portugal?

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 Missoula Johnson-Bell Field Airport to Portugal.

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

The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$494 Cheap Flights from Missoula to Portugal in 2025/26

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Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 8:10 am

MSO

LIS

19h 10m2 stops

10:55 am - 9:51 pm

LIS

MSO

41h 56m2 stops

$494United Airlines

Fri, Jan 30 - Fri, Feb 6

2:37 pm - 9:20 am

MSO

LIS

35h 43m2 stops

6:10 am - 4:05 pm

LIS

MSO

40h 55m2 stops

$499United Airlines

Wed, Jan 14 - Wed, Jan 28

6:00 am - 8:10 am

MSO

LIS

19h 10m2 stops

10:15 am - 9:51 pm

LIS

MSO

18h 36m2 stops

$605United Airlines

Wed, Jan 21 - Sun, Jan 25

2:35 pm - 10:30 am

MSO

LIS

36h 55m2 stops

11:25 am - 9:42 pm

LIS

MSO

41h 17m2 stops

$677United Airlines

Wed, Apr 29 - Mon, May 4

2:35 pm - 9:20 am

MSO

LIS

35h 45m2 stops

1:00 pm - 9:42 pm

LIS

MSO

39h 42m2 stops

$710United Airlines

Mon, Apr 27 - Mon, May 11

6:15 am - 9:20 am

MSO

LIS

20h 05m2 stops

11:25 am - 9:26 pm

LIS

MSO

41h 01m2 stops

$724United Airlines

Thu, May 21 - Wed, Jun 3

1:05 pm - 5:55 pm

MSO

LIS

21h 50m2 stops

11:05 am - 11:55 pm

LIS

MSO

19h 50m3 stops

$1,132Multiple Airlines

Mon, Apr 27 - Mon, May 11

1:05 pm - 5:55 pm

MSO

LIS

21h 50m2 stops

11:05 am - 11:55 pm

LIS

MSO

19h 50m3 stops

$1,176Multiple Airlines

Wed, Apr 29 - Mon, May 4

7:00 am - 11:50 am

MSO

LIS

21h 50m2 stops

8:20 am - 11:55 pm

LIS

MSO

22h 35m3 stops

$6,646Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

United Airlines flights from Missoula to Portugal

Our best United Airlines deals on Missoula to Portugal flight tickets

United Airlines

Jan 30

MSO6:00 amMissoula Johnson-Bell Field

19h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 6

LIS10:55 amLisbon Humberto Delgado

41h 56m

2 stops

MSO9:51 pmMissoula Johnson-Bell Field

$494

Find similar

United Airlines

Jan 23

MSO6:00 amMissoula Johnson-Bell Field

19h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

42h 05m

2 stops

MSO4:05 pmMissoula Johnson-Bell Field

$499

Find similar

United Airlines

Jan 21

MSO6:00 amMissoula Johnson-Bell Field

19h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 25

LIS10:15 amLisbon Humberto Delgado

18h 36m

2 stops

MSO9:51 pmMissoula Johnson-Bell Field

$605

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 1/30

6:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-9:51 pm

2 stops41h 56m

$494

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 1/14

2:37 pm-9:20 am

2 stops35h 43m

Lisbon Humberto Delgado

Wed 1/28

6:10 am-4:05 pm

2 stops40h 55m

$499

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 1/21

6:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Sun 1/25

10:15 am-9:51 pm

2 stops18h 36m

$605

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 4/29

2:35 pm-10:30 am

2 stops36h 55m

Lisbon Humberto Delgado

Mon 5/4

11:25 am-9:42 pm

2 stops41h 17m

$677

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 4/27

2:35 pm-9:20 am

2 stops35h 45m

Lisbon Humberto Delgado

Mon 5/11

1:00 pm-9:42 pm

2 stops39h 42m

$710

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Thu 5/21

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Wed 6/3

11:25 am-9:26 pm

2 stops41h 01m

$724

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 4/27

1:05 pm-5:55 pm

2 stops21h 50m

Lisbon Humberto Delgado

Mon 5/11

11:05 am-11:55 pm

3 stops19h 50m

$1,132

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 4/29

1:05 pm-5:55 pm

2 stops21h 50m

Lisbon Humberto Delgado

Mon 5/4

11:05 am-11:55 pm

3 stops19h 50m

$1,176

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 1/30

7:00 am-11:50 am

2 stops21h 50m

Lisbon Humberto Delgado

Fri 2/6

8:20 am-11:55 pm

3 stops22h 35m

$6,646

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Missoula to Portugal

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

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Missoula is in November. Flight prices, which tend to average around $553, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Missoula during March instead. Flights to Portugal in March, while not as cheap as those in November, still average around $618.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Missoula. The lowest ticket price found for a Monday departure recently was $709. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,403.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Missoula to Portugal during this time can be as low as $929. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,269 per ticket.

Cheap Missoula to Portugal flight deals and tips

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

Fastest flight time	19h 10m
Direct flights	None

The fastest flight from Missoula to Portugal takes 19h 10m

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

Search flight deals

When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Portugal?
Prices for flights from Missoula Johnson-Bell Field Airport to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Portugal?
As of December 2025, there are 3 operators available to choose from for flights from Missoula Johnson-Bell Field Airport to Portugal.
How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Portugal?
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 Missoula Johnson-Bell Field Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missoula to Portugal

Compare and see reviews for airlines that fly from Missoula to Portugal with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $551	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Delta	PriceFrom $618	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
KLM	PriceFrom $745	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights

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

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

Yes. momondo allows you to filter the results for Missoula to Portugal flights to just show those with flexible booking policies.

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

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 Missoula to Portugal.

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

Price alerts on flights to Portugal from Missoula 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.