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Cheap flights from Missoula to Portugal from $447

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Portugal departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missoula to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:13 pm - 5:30 pmMSO-LIS
45h 17m2 stops
Delta Logo
11:25 am - 9:53 pmLIS-MSO
41h 28m2 stops
$500Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
7:45 am - 8:00 amMSO-LIS
17h 15m2 stops
Delta Logo
11:25 am - 5:36 pmLIS-MSO
37h 11m2 stops
$501Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
7:55 am - 11:20 amMSO-LIS
20h 25m2 stops
Delta Logo
5:30 am - 12:29 amLIS-MSO
25h 59m2 stops
$506Delta
Find Deal
Wed, Feb 18 - Thu, Feb 26
Multiple Airlines Logo
7:00 am - 12:10 pmMSO-LIS
22h 10m2 stops
Multiple Airlines Logo
11:05 am - 12:32 pmLIS-MSO
32h 27m2 stops
$517Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
5:20 pm - 8:10 amMSO-LIS
31h 50m2 stops
Multiple Airlines Logo
10:50 am - 9:18 pmLIS-MSO
41h 28m2 stops
$537Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
7:55 am - 3:10 pmMSO-LIS
24h 15m2 stops
Delta Logo
5:00 am - 8:03 pmLIS-MSO
22h 03m2 stops
$550Delta
Find Deal
Tue, Feb 24 - Wed, Mar 4
American Airlines Logo
1:24 pm - 5:40 pmMSO-LIS
21h 16m2 stops
American Airlines Logo
11:15 am - 12:54 pmLIS-MSO
32h 39m2 stops
$568American Airlines
Find Deal
Tue, Feb 24 - Wed, Mar 4
United Airlines Logo
6:15 am - 8:10 amMSO-LIS
18h 55m2 stops
United Airlines Logo
5:00 am - 9:57 pmLIS-MSO
23h 57m3 stops
$596United Airlines
Find Deal
Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
6:15 am - 9:20 amMSO-LIS
20h 05m2 stops
United Airlines Logo
6:10 am - 9:57 pmLIS-MSO
22h 47m3 stops
$597United Airlines
Find Deal
Tue, Feb 17 - Wed, Feb 25
Multiple Airlines Logo
2:34 pm - 2:50 pmMSO-LIS
17h 16m2 stops
Multiple Airlines Logo
5:00 am - 9:57 pmLIS-MSO
23h 57m2 stops
$611Multiple Airlines
Find Deal
Mon, Feb 16 - Tue, Feb 24

Delta flights from Missoula to Portugal

Our best Delta deals on Missoula to Portugal flight tickets
Delta
Dec 3
MSO1:13 pmMissoula Johnson-Bell Field
45h 17m
2 stops
LIS5:30 pmLisbon Humberto Delgado
Dec 7
LIS11:25 amLisbon Humberto Delgado
41h 28m
2 stops
MSO9:53 pmMissoula Johnson-Bell Field
$500
Find similar
Delta
Dec 3
MSO7:45 amMissoula Johnson-Bell Field
17h 15m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 7
LIS11:25 amLisbon Humberto Delgado
37h 11m
2 stops
MSO5:36 pmMissoula Johnson-Bell Field
$501
Find similar
Delta
Feb 18
MSO7:55 amMissoula Johnson-Bell Field
20h 25m
2 stops
LIS11:20 amLisbon Humberto Delgado
Feb 26
LIS5:30 amLisbon Humberto Delgado
25h 59m
2 stops
MSO12:29 amMissoula Johnson-Bell Field
$506
Find similar

United Airlines flights from Missoula to Portugal

Our best United Airlines deals on Missoula to Portugal flight tickets
United Airlines
Feb 18
MSO6:15 amMissoula Johnson-Bell Field
18h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 26
LIS5:00 amLisbon Humberto Delgado
23h 57m
3 stops
MSO9:57 pmMissoula Johnson-Bell Field
$596
Find similar
United Airlines
Feb 17
MSO6:15 amMissoula Johnson-Bell Field
20h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Feb 25
LIS6:10 amLisbon Humberto Delgado
22h 47m
3 stops
MSO9:57 pmMissoula Johnson-Bell Field
$597
Find similar
United Airlines
Feb 24
MSO6:15 amMissoula Johnson-Bell Field
21h 00m
2 stops
LIS10:15 amLisbon Humberto Delgado
Mar 4
LIS6:10 amLisbon Humberto Delgado
22h 47m
3 stops
MSO9:57 pmMissoula Johnson-Bell Field
$615
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missoula to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Missoula to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 12/3

1:13 pm-5:30 pm

2 stops45h 17m

Lisbon Humberto Delgado

Sun 12/7

11:25 am-9:53 pm

2 stops41h 28m

$500

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 12/3

7:45 am-8:00 am

2 stops17h 15m

Lisbon Humberto Delgado

Sun 12/7

11:25 am-5:36 pm

2 stops37h 11m

$501

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 2/18

7:55 am-11:20 am

2 stops20h 25m

Lisbon Humberto Delgado

Thu 2/26

5:30 am-12:29 am

2 stops25h 59m

$506

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 12/3

7:00 am-12:10 pm

2 stops22h 10m

Lisbon Humberto Delgado

Sun 12/7

11:05 am-12:32 pm

2 stops32h 27m

$517

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 12/3

5:20 pm-8:10 am

2 stops31h 50m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-9:18 pm

2 stops41h 28m

$537

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

7:55 am-3:10 pm

2 stops24h 15m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-8:03 pm

2 stops22h 03m

$550

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/24

1:24 pm-5:40 pm

2 stops21h 16m

Lisbon Humberto Delgado

Wed 3/4

11:15 am-12:54 pm

2 stops32h 39m

$568

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 2/18

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Thu 2/26

5:00 am-9:57 pm

3 stops23h 57m

$596

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 2/17

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Wed 2/25

6:10 am-9:57 pm

3 stops22h 47m

$597

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 2/16

2:34 pm-2:50 pm

2 stops17h 16m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-9:57 pm

2 stops23h 57m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Portugal from

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

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

Direct flights

None
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?

  • 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 AirlinesPriceFrom $551Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $618Free CancellationRating
7.9
8,002 reviews
Search Delta flights
KLMPriceFrom $745Free CancellationRating
7.7
1,405 reviews
Search KLM flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missoula to Portugal. momondo saves you time and could save you money on your trip.

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.

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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