HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$468+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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

Keep the following information in mind while searching for Missoula to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$894
(United Airlines)

One-way from

$468
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$928
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. 2% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:20 pmMSO - LIS
2 stops21h 25mMultiple Airlines
Tue 1/67:05 amLIS - MSO
2 stops23h 52mMultiple Airlines
Deal found 6/10$764
This United Airlines deal was found by Cheapflights users on 6/11. 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 12/166:15 amMSO - LIS
2 stops20h 05mUnited Airlines
Tue 12/3011:00 amLIS - MSO
2 stops36h 10mUnited Airlines
Deal found 6/11$770
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:53 pmMSO - LIS
2 stops48h 57mAmerican Airlines
Tue 1/612:55 pmLIS - MSO
2 stops54h 50mAmerican Airlines
Deal found 6/10$948
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:35 pmMSO - LIS
2 stops20h 10mBritish Airways
Mon 1/53:40 pmLIS - MSO
2 stops39h 17mBritish Airways
Deal found 6/10$994
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 12/258:05 amMSO - LIS
2 stops17h 55mDelta
Fri 1/211:15 amLIS - MSO
2 stops40h 11mDelta
Deal found 6/10$1,362
This Air France deal was found by Cheapflights users on 6/10. 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.
Thu 12/188:00 amMSO - LIS
2 stops18h 00mAir France
Wed 12/315:30 amLIS - MSO
2 stops21h 56mAir France
Deal found 6/10$1,642

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 12, 2025.
Use the filters below to find and compare flights from Missoula to Portugal that are best for you.

Fly from

Missoula

Fly to

Portugal

Route

Depart

Return

Price

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Sat 9/20

5:25 pm-10:30 am

2 stops34h 05m

Lisbon Humberto Delgado

Sat 10/4

6:15 am-11:50 am

2 stops60h 35m

$894

MissoulaLisbon

MSO - LIS

MSOLIS

Missoula Johnson-Bell Field

Mon 11/17

6:25 am-10:15 am

2 stops20h 50m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

What is the cheapest month to book a flight from Missoula to Portugal?

Currently, January is the cheapest month in which you can book a flight from Missoula to Portugal (average of $612). Flying from Missoula to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • What is the cheapest month to book a flight from Missoula to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Missoula to Portugal (average of $612). Flying from Missoula to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Alternative routes for Missoula to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Heathrow flights
Bozeman to Dublin flights
Bozeman to London City flights
Bozeman to Oslo Gardermoen flights
Bozeman to Athens flights
Bozeman to Lisbon flights
Bozeman to Barcelona-El Prat flights
Missoula to Athens flights
Billings to Keflavik Intl flights
Bozeman to Leonardo da Vinci/Fiumicino flights
Bozeman to Edinburgh flights
Bozeman to Southampton flights
Bozeman to Charles de Gaulle flights
Missoula to Heathrow flights
Bozeman to Verona flights
Bozeman to Zurich flights
Bozeman to Geneva flights
Missoula to Charles de Gaulle flights
Billings to Leonardo da Vinci/Fiumicino flights
Bozeman to Keflavik Intl flights
Bozeman to Shannon flights
Kalispell to Edinburgh flights
Missoula to Malpensa flights
Billings to Barcelona-El Prat flights
Bozeman to Madrid flights
Missoula to Dublin flights
Missoula to Lisbon flights
Billings to Charles de Gaulle flights
Billings to Edinburgh flights
Bozeman to Amsterdam flights
Missoula to Amsterdam flights
Missoula to Arlanda flights
Missoula to Leonardo da Vinci/Fiumicino flights
Billings to Dublin flights
Missoula to Keflavik Intl flights
Bozeman to Arlanda flights
Bozeman to Linate flights
Bozeman to Malpensa flights
Bozeman to Orly flights
Kalispell to Leonardo da Vinci/Fiumicino flights
Missoula to Madrid flights
Bozeman to Frankfurt flights
Kalispell to Oslo Gardermoen flights
Great Falls to Frankfurt flights
Helena to Heathrow flights
Missoula to Copenhagen flights
Missoula to Lyon flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$587Average$819FlexibilityNo cancel feeOn-time69%
DeltaCheapest$618Average$785FlexibilityNo cancel feeOn-timeN/A

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.