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Portugal

$344+ Cheap flights from Missoula (MSO) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LIS
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Missoula to Portugal

Cheapest flights from Missoula to Portugal
Explore the most affordable flight options available from Missoula to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 am
MSO
-
LIS
2 stops18h 55m
United Airlines
Wed 12/91:00 pm
LIS
-
MSO
2 stops39h 26m
United Airlines
Deal found 4/15$756
This Air France deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:45 am
MSO
-
LIS
2 stops22h 00m
Air France
Fri 10/95:35 am
LIS
-
MSO
2 stops18h 52m
Air France
Deal found 4/13$851
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:32 pm
MSO
-
LIS
2 stops58h 28m
United Airlines
Wed 10/1411:25 am
LIS
-
MSO
2 stops41h 01m
United Airlines
Deal found 4/15$854
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm
MSO
-
LIS
2 stops14h 50m
United Airlines
Wed 10/1412:20 pm
LIS
-
MSO
2 stops28h 41m
United Airlines
Deal found 4/15$865
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:32 pm
MSO
-
LIS
2 stops32h 48m
United Airlines
Wed 10/1412:20 pm
LIS
-
MSO
2 stops30h 14m
United Airlines
Deal found 4/15$874
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:27 pm
MSO
-
LIS
2 stops37h 03m
United Airlines
Wed 10/1412:20 pm
LIS
-
MSO
2 stops28h 41m
United Airlines
Deal found 4/15$877
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:40 pm
MSO
-
LIS
2 stops37h 40m
United Airlines
Fri 10/91:00 pm
LIS
-
MSO
2 stops53h 34m
United Airlines
Deal found 4/16$884

Find flight deals from Missoula to Portugal

Keep the following information in mind while searching for Missoula to Portugal flight deals. Data was last updated April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$851
(Air France)

One-way from

$344
(KLM)

Popular in

December

Cheapest in

November

Average price

$706
Provider with most accurate pricing for Missoula Johnson-Bell Field-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Lisbon Humberto Delgado flights.
Search Deals
From Missoula Johnson-Bell Field to Portugal
Search Deals
One-way flight from Missoula Johnson-Bell Field to Portugal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($301 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($106 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 18, 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

Sat 10/3

5:32 pm-11:00 am

2 stops58h 28m

Lisbon Humberto Delgado

Wed 10/14

11:25 am-9:26 pm

2 stops41h 01m

$854

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 10/6

5:32 pm-9:20 am

2 stops32h 48m

Lisbon Humberto Delgado

Wed 10/14

12:20 pm-11:34 am

2 stops30h 14m

$874

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 10/4

2:27 pm-10:30 am

2 stops37h 03m

Lisbon Humberto Delgado

Wed 10/14

12:20 pm-10:01 am

2 stops28h 41m

$877

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 10/5

5:45 am-11:15 am

2 stops22h 30m

Lisbon Humberto Delgado

Wed 10/14

9:50 am-8:12 pm

2 stops41h 22m

$937

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

5:32 pm-11:05 am

2 stops58h 33m

Lisbon Humberto Delgado

Tue 9/8

11:25 am-9:26 pm

2 stops41h 01m

$992

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sun 9/6

6:15 am-11:00 am

2 stops45h 45m

Lisbon Humberto Delgado

Sun 9/20

5:05 am-11:34 am

2 stops61h 29m

$1,026

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 10/2

5:32 pm-10:45 pm

2 stops22h 13m

Lisbon Humberto Delgado

Wed 10/14

12:20 pm-11:34 am

2 stops30h 14m

$1,042

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

4:19 pm-11:05 am

2 stops59h 46m

Lisbon Humberto Delgado

Mon 9/7

7:15 pm-11:34 am

2 stops47h 19m

$1,081
Quickest round-trip

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 6/8

5:55 am-11:15 am

2 stops22h 20m

Lisbon Humberto Delgado

Sat 6/20

5:35 am-11:44 pm

2 stops25h 09m

$1,165
Cheapest one-way
Quickest one-way

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Tue 10/13

6:15 am-11:05 am

2 stops21h 50m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Missoula to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Missoula with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Portugal
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated April 18, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Missoula to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,424 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,424 reviews
Delta
7.9
Good
8,424 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,605 reviews
Delta
7.9
Good
8,424 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Portugal?

    For a flight from Missoula to Portugal, you will be flying from Johnson-Bell Field. Missoula Johnson-Bell Field (MSO) is just 5.5 mi from the center of the city.

  • How long is the flight from Missoula to Portugal?

    Airlines like United Airlines and Delta fly from Missoula to Portugal in about 22h 30m. The time it takes to get you to your destination can typically vary by up to 35h 58m. Airlines will cover a distance of 4926 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Missoula to Portugal that include hotel bookings?

    Yes. In addition to deals on Missoula to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Portugal.

  • Can I find deals for business class flights from Missoula to Portugal?

    Yes. Cheapflights offers flight deals from Missoula to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Missoula to Portugal

Discover the top 2 airlines that operate flights from Missoula to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$551Average$706FlexibilityNo cancel feeOn-time69%
DeltaCheapest$600Average$1,004FlexibilityNo cancel feeOn-timeN/A

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