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Cheap flights from Missoula to Portugal from $460

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missoula to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 8:10 am
MSO
-
LIS
18h 55m
2 stops
United Airlines Logo
1:00 pm - 9:26 pm
LIS
-
MSO
39h 26m
2 stops
$754United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
6:15 am - 8:10 am
MSO
-
LIS
18h 55m
2 stops
United Airlines Logo
5:00 am - 9:26 pm
LIS
-
MSO
23h 26m
2 stops
$757United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
6:15 am - 11:00 am
MSO
-
LIS
45h 45m
3 stops
United Airlines Logo
1:00 pm - 9:26 pm
LIS
-
MSO
39h 26m
2 stops
$769United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
44h 05m
3 stops
United Airlines Logo
5:00 am - 9:26 pm
LIS
-
MSO
23h 26m
2 stops
$771United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
12:21 pm - 10:45 pm
MSO
-
LIS
27h 24m
2 stops
United Airlines Logo
11:55 am - 4:19 pm
LIS
-
MSO
35h 24m
3 stops
$875United Airlines
Mon, Oct 5 - Mon, Nov 2
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m
2 stops
United Airlines Logo
11:20 am - 4:10 pm
LIS
-
MSO
35h 50m
2 stops
$1,072United Airlines
Tue, Dec 22 - Thu, Jan 7
Multiple Airlines Logo
1:16 pm - 2:35 pm
MSO
-
LIS
18h 19m
2 stops
Multiple Airlines Logo
6:50 pm - 5:37 pm
LIS
-
MSO
29h 47m
2 stops
$1,121Multiple Airlines
Fri, Sep 4 - Tue, Sep 8
American Airlines Logo
1:25 pm - 6:00 pm
MSO
-
LIS
21h 35m
2 stops
American Airlines Logo
11:00 am - 12:11 pm
LIS
-
MSO
32h 11m
2 stops
$1,137American Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
6:15 am - 8:55 am
MSO
-
LIS
43h 40m
2 stops
United Airlines Logo
12:25 pm - 9:26 pm
LIS
-
MSO
40h 01m
2 stops
$1,180United Airlines
Tue, Dec 22 - Tue, Jan 5
United Airlines Logo
6:15 am - 8:10 am
MSO
-
LIS
18h 55m
2 stops
United Airlines Logo
8:55 am - 9:26 pm
LIS
-
MSO
19h 31m
3 stops
$1,526United Airlines
Tue, Dec 22 - Thu, Jan 7

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United Airlines flights from Missoula to Portugal

Our best United Airlines deals on Missoula to Portugal flight tickets
United Airlines
Dec 6
MSO6:15 amMissoula Johnson-Bell Field
18h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 10
LIS1:00 pmLisbon Humberto Delgado
39h 26m
2 stops
MSO9:26 pmMissoula Johnson-Bell Field
$754
United Airlines
Dec 6
MSO6:15 amMissoula Johnson-Bell Field
18h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 10
LIS5:00 amLisbon Humberto Delgado
23h 26m
2 stops
MSO9:26 pmMissoula Johnson-Bell Field
$757
United Airlines
Dec 6
MSO6:15 amMissoula Johnson-Bell Field
45h 45m
3 stops
LIS11:00 amLisbon Humberto Delgado
Dec 10
LIS1:00 pmLisbon Humberto Delgado
39h 26m
2 stops
MSO9:26 pmMissoula Johnson-Bell Field
$769

Delta flights from Missoula to Portugal

Our best Delta deals on Missoula to Portugal flight tickets
Delta
Jul 1
MSO1:17 pmMissoula Johnson-Bell Field
21h 33m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Jul 12
LIS5:00 amLisbon Humberto Delgado
25h 44m
2 stops
MSO11:44 pmMissoula Johnson-Bell Field
$1,360
Delta
Jul 1
MSO1:17 pmMissoula Johnson-Bell Field
21h 33m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Jul 12
LIS5:35 amLisbon Humberto Delgado
25h 53m
2 stops
MSO12:28 amMissoula Johnson-Bell Field
$1,367
Delta
Jul 1
MSO1:17 pmMissoula Johnson-Bell Field
21h 33m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Jul 12
LIS5:35 amLisbon Humberto Delgado
25h 53m
2 stops
MSO12:28 amMissoula Johnson-Bell Field
$1,459

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 June 29, 2026.
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

Cheapest round-trip

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 12/6

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-9:26 pm

2 stops39h 26m

$754

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 12/6

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-9:26 pm

2 stops23h 26m

$757

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 12/6

6:15 am-11:00 am

3 stops45h 45m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-9:26 pm

2 stops39h 26m

$769

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 12/6

6:15 am-9:20 am

3 stops44h 05m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-9:26 pm

2 stops23h 26m

$771

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 10/5

12:21 pm-10:45 pm

2 stops27h 24m

Lisbon Humberto Delgado

Mon 11/2

11:55 am-4:19 pm

3 stops35h 24m

$875

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 12/22

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Thu 1/7

11:20 am-4:10 pm

2 stops35h 50m

$1,072

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

1:16 pm-2:35 pm

2 stops18h 19m

Lisbon Humberto Delgado

Tue 9/8

6:50 pm-5:37 pm

2 stops29h 47m

$1,121

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

1:25 pm-6:00 pm

2 stops21h 35m

Lisbon Humberto Delgado

Tue 9/8

11:00 am-12:11 pm

2 stops32h 11m

$1,137

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 12/22

6:15 am-8:55 am

2 stops43h 40m

Lisbon Humberto Delgado

Tue 1/5

12:25 pm-9:26 pm

2 stops40h 01m

$1,180
Quickest round-trip

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 12/22

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Thu 1/7

8:55 am-9:26 pm

3 stops19h 31m

$1,526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 August. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Portugal from Missoula during January instead. Flights to Portugal in January, while not as cheap as those in August, still average around $0.

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

18h 19m

Direct flights

None
The fastest flight from Missoula to Portugal takes 18h 19m
There are no direct flights from Missoula to Portugal. There are no popular flight routes from Missoula to Portugal.
Search flight deals

Frequently asked questions about flying from Missoula to Portugal

  • 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 $511Free CancellationRating
7.4
9,894 reviews
Search United Airlines 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

Popular cities in Portugal

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