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Cheap flights from Missoula to Portugal from $420

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 3/15. 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
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.
United Airlines Logo
6:15 am - 8:10 am
MSO
-
LIS
18h 55m
2 stops
United Airlines Logo
11:55 am - 1:33 pm
LIS
-
MSO
55h 38m
2 stops
$518United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 2:50 pm
MSO
-
LIS
25h 35m
2 stops
United Airlines Logo
12:15 pm - 9:57 pm
LIS
-
MSO
39h 42m
2 stops
$537United Airlines
Wed, Mar 4 - Sun, Mar 8
Delta Logo
8:32 am - 11:15 am
MSO
-
LIS
19h 43m
2 stops
Delta Logo
5:35 am - 11:37 pm
LIS
-
MSO
25h 02m
2 stops
$598Delta
Mon, May 4 - Sun, May 10
United Airlines Logo
6:15 am - 8:10 am
MSO
-
LIS
18h 55m
2 stops
United Airlines Logo
5:00 am - 12:33 pm
LIS
-
MSO
38h 33m
3 stops
$608United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 2:50 pm
MSO
-
LIS
25h 35m
2 stops
United Airlines Logo
5:00 am - 12:33 pm
LIS
-
MSO
38h 33m
3 stops
$623United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:27 pm - 11:00 am
MSO
-
LIS
58h 33m
2 stops
United Airlines Logo
11:25 am - 9:26 pm
LIS
-
MSO
41h 01m
2 stops
$911United Airlines
Thu, May 21 - Wed, Jun 3
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m
2 stops
United Airlines Logo
5:05 am - 10:30 pm
LIS
-
MSO
24h 25m
2 stops
$1,017United Airlines
Mon, Jun 8 - Sat, Jun 20
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m
2 stops
United Airlines Logo
5:05 am - 10:30 pm
LIS
-
MSO
24h 25m
2 stops
$1,018United Airlines
Mon, Jun 8 - Sat, Jun 20
United Airlines Logo
6:15 am - 9:20 am
MSO
-
LIS
20h 05m
2 stops
United Airlines Logo
1:00 pm - 1:27 pm
LIS
-
MSO
55h 27m
3 stops
$1,056United Airlines
Mon, Jun 8 - Sat, Jun 20
United Airlines Logo
10:30 am - 10:30 am
MSO
-
LIS
17h 00m
2 stops
United Airlines Logo
1:00 pm - 9:26 pm
LIS
-
MSO
39h 26m
2 stops
$1,128United Airlines
Wed, Jul 1 - Sun, Jul 12

United Airlines flights from Missoula to Portugal

Our best United Airlines deals on Missoula to Portugal flight tickets
United Airlines
Mar 4
MSO6:15 amMissoula Johnson-Bell Field
18h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Mar 8
LIS11:55 amLisbon Humberto Delgado
55h 38m
2 stops
MSO1:33 pmMissoula Johnson-Bell Field
$518
United Airlines
Mar 4
MSO6:15 amMissoula Johnson-Bell Field
25h 35m
2 stops
LIS2:50 pmLisbon Humberto Delgado
Mar 8
LIS12:15 pmLisbon Humberto Delgado
39h 42m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$537
United Airlines
Mar 4
MSO6:15 amMissoula Johnson-Bell Field
18h 55m
2 stops
LIS8:10 amLisbon Humberto Delgado
Mar 8
LIS5:00 amLisbon Humberto Delgado
38h 33m
3 stops
MSO12:33 pmMissoula Johnson-Bell Field
$608

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 February 4, 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

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-1:33 pm

2 stops55h 38m

$518

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-2:50 pm

2 stops25h 35m

Lisbon Humberto Delgado

Sun 3/8

12:15 pm-9:57 pm

2 stops39h 42m

$537

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 5/4

8:32 am-11:15 am

2 stops19h 43m

Lisbon Humberto Delgado

Sun 5/10

5:35 am-11:37 pm

2 stops25h 02m

$598

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-8:10 am

2 stops18h 55m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-12:33 pm

3 stops38h 33m

$608

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-2:50 pm

2 stops25h 35m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-12:33 pm

3 stops38h 33m

$623

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Thu 5/21

5:27 pm-11:00 am

2 stops58h 33m

Lisbon Humberto Delgado

Wed 6/3

11:25 am-9:26 pm

2 stops41h 01m

$911

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 6/8

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Sat 6/20

5:05 am-10:30 pm

2 stops24h 25m

$1,017

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 6/8

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Sat 6/20

5:05 am-10:30 pm

2 stops24h 25m

$1,018

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 6/8

6:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Sat 6/20

1:00 pm-1:27 pm

3 stops55h 27m

$1,056

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Wed 7/1

10:30 am-10:30 am

2 stops17h 00m

Lisbon Humberto Delgado

Sun 7/12

1:00 pm-9:26 pm

2 stops39h 26m

$1,128

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 $617.

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

17h 00m

Direct flights

None
The fastest flight from Missoula to Portugal takes 17h 00m
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 $511Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
DeltaPriceFrom $600Free CancellationRating
7.9
8,138 reviews
Search Delta 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.

An easier way to manage your Portugal trip

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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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