HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$754+ Cheap flights from Missoula (MSO) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LIS
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 5, 2026.

This United Airlines deal was found by Cheapflights users on 6/1. 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 11/166:15 am
MSO
-
LIS
2 stops20h 35m
United Airlines
Thu 11/191:00 pm
LIS
-
MSO
2 stops39h 26m
United Airlines
Deal found 6/1$754
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Fri 9/45:24 pm
MSO
-
LIS
2 stops58h 41m
United Airlines
Fri 9/1811:25 am
LIS
-
MSO
2 stops31h 17m
United Airlines
Deal found 6/3$922
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:36 pm
MSO
-
LIS
2 stops16h 19m
Delta
Tue 9/85:00 am
LIS
-
MSO
2 stops25h 47m
Delta
Deal found 6/2$986
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 9/45:24 pm
MSO
-
LIS
2 stops58h 41m
United Airlines
Tue 9/811:25 am
LIS
-
MSO
2 stops41h 06m
United Airlines
Deal found 6/4$991
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/56:15 am
MSO
-
LIS
2 stops45h 50m
United Airlines
Sat 9/1211:25 am
LIS
-
MSO
2 stops41h 06m
United Airlines
Deal found 6/1$1,045
This United Airlines deal was found by Cheapflights users on 6/1. 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 7/15:20 pm
MSO
-
LIS
2 stops58h 45m
United Airlines
Wed 7/85:05 am
LIS
-
MSO
2 stops37h 27m
United Airlines
Deal found 6/1$1,151
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:55 am
MSO
-
LIS
2 stops22h 20m
Delta
Sat 6/205:00 am
LIS
-
MSO
2 stops25h 44m
Delta
Deal found 6/3$1,361
This Air France deal was found by Cheapflights users on 6/2. 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 6/83:29 pm
MSO
-
LIS
2 stops19h 21m
Air France
Sat 6/205:35 am
LIS
-
MSO
2 stops19h 14m
Air France
Deal found 6/2$1,369
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:16 pm
MSO
-
LIS
2 stops33h 34m
Multiple Airlines
Sat 9/1212:40 pm
LIS
-
MSO
1 stop31h 15m
Multiple Airlines
Deal found 6/1$1,659

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 June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$754
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$928
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
Highest demand for flights based on searches. 21% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($116 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 5, 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

Mon 11/16

6:15 am-9:50 am

2 stops20h 35m

Lisbon Humberto Delgado

Thu 11/19

1:00 pm-9:26 pm

2 stops39h 26m

$754

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

5:24 pm-11:05 am

2 stops58h 41m

Lisbon Humberto Delgado

Fri 9/18

11:25 am-11:42 am

2 stops31h 17m

$922
Quickest round-trip

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

3:36 pm-2:55 pm

2 stops16h 19m

Lisbon Humberto Delgado

Tue 9/8

5:00 am-11:47 pm

2 stops25h 47m

$986

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Fri 9/4

5:24 pm-11:05 am

2 stops58h 41m

Lisbon Humberto Delgado

Tue 9/8

11:25 am-9:31 pm

2 stops41h 06m

$991

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sat 9/5

6:15 am-11:05 am

2 stops45h 50m

Lisbon Humberto Delgado

Sat 9/12

11:25 am-9:31 pm

2 stops41h 06m

$1,045

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sat 9/5

4:16 pm-8:50 am

2 stops33h 34m

Lisbon Humberto Delgado

Sat 9/12

12:40 pm-12:55 pm

1 stop31h 15m

$1,659

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Sorted by cheapest first

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 June 5, 2026.
Read reviews from past customers who have flown 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.
United Airlines
7.4
Good
9,775 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,775 reviews
United Airlines
7.4
Good
9,775 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 fly from Missoula to Portugal in about 20h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4926 mi.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Missoula to Portugal

Discover the top airline 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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$551Average$706FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.