$463+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LIS
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
Cheapest flights from Missoula to PortugalExplore 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 September 20, 2026.
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 September 20, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/172:38 pm -
2 stops18h 02m
Sat 10/246:15 am -
2 stops41h 11m
Deal found 9/17![United Airlines logo]()
$983
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/264:18 pm -
2 stops18h 37m
Mon 1/46:35 pm -
2 stops35h 23m
Deal found 9/16![British Airways logo]()
$1,190
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:18 pm -
2 stops21h 37m
Mon 11/306:35 pm -
2 stops28h 25m
Deal found 9/18![Multiple Airlines logo]()
$3,397
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/202:37 pm -
2 stops41h 23m
Mon 11/3012:25 pm -
2 stops37h 10m
Deal found 9/20![United Airlines logo]()
$3,512
This BusinessClass deal was found by Cheapflights users on 9/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:15 am -
2 stops18h 55m
Mon 11/3010:15 am -
2 stops18h 32m
Deal found 9/19![Brussels Airlines logo]()
$4,795
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:00 am -
2 stops19h 05m
Mon 1/48:20 am -
3 stops22h 32m
Deal found 9/16![Multiple Airlines logo]()
$6,422
Best flights from Missoula to PortugalDiscover carefully curated flight deals from Missoula to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Missoula to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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 3/96:15 am -
2 stops18h 55m
Fri 3/196:00 am -
2 stops45h 26m
Deal found 9/15![United Airlines logo]()
$726
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/264:18 pm -
2 stops18h 37m
Mon 1/46:35 pm -
2 stops35h 23m
Deal found 9/19![British Airways logo]()
$1,192
This United Airlines deal was found by Cheapflights users on 9/19. 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 2/29:45 am -
2 stops15h 25m
Fri 2/56:00 am -
2 stops22h 26m
Deal found 9/19![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/172:38 pm -
2 stops18h 02m
Sat 10/246:15 am -
2 stops41h 11m
Deal found 9/17![United Airlines logo]()
$983
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:18 pm -
2 stops21h 37m
Mon 11/306:35 pm -
2 stops28h 25m
Deal found 9/18![Multiple Airlines logo]()
$3,397
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/202:37 pm -
2 stops41h 23m
Mon 11/3012:25 pm -
2 stops37h 10m
Deal found 9/20![United Airlines logo]()
$3,512
Last-minute flights from Missoula to PortugalDiscover last-minute flight deals from Missoula to Portugal. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Portugal. Data last updated September 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/172:38 pm -
2 stops18h 02m
Sat 10/246:15 am -
2 stops41h 11m
Deal found 9/17![United Airlines logo]()
$983
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:03 am -
3 stops44h 47m
Sat 10/2410:00 pm -
3 stops47h 50m
Deal found 9/17![Multiple Airlines logo]()
$13,187
One-way flights from Missoula to PortugalSearch for one-way flight options from Missoula to Portugal. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Missoula to Portugal. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/256:15 am -
2 stops19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$463
This Air France deal was found by Cheapflights users on 9/17. 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.
Sun 10/251:14 pm -
2 stops22h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air France logo]()
$467
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 September 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $726 (United Airlines) |
One-way from | $463 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $1,049 |
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 7,457,451 searches. Data last updated September 20, 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
Cheapest round-trip
Quickest round-trip
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Sun 10/25
6:15 am-8:10 am
2 stops19h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Sun 10/25
1:14 pm-5:30 pm
2 stops22h 16m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$467
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Tue 3/9
6:15 am-8:10 am
2 stops18h 55m
Lisbon Humberto Delgado
Fri 3/19
6:00 am-9:26 pm
2 stops45h 26m
$726
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Tue 2/2
9:45 am-8:10 am
2 stops15h 25m
Lisbon Humberto Delgado
Fri 2/5
6:00 am-9:26 pm
2 stops22h 26m
$764
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Sat 10/17
2:38 pm-3:40 pm
2 stops18h 02m
Lisbon Humberto Delgado
Sat 10/24
6:15 am-4:26 pm
2 stops41h 11m
$983
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Sat 12/26
4:18 pm-5:55 pm
2 stops18h 37m
Lisbon Humberto Delgado
Mon 1/4
6:35 pm-10:58 pm
2 stops35h 23m
$1,192
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Fri 11/20
1:18 pm-5:55 pm
2 stops21h 37m
Lisbon Humberto Delgado
Mon 11/30
6:35 pm-4:00 pm
2 stops28h 25m
$3,397
MissoulaLisbon
MSO Missoula Johnson-Bell Field - LIS Lisbon Humberto Delgado
MSOLIS
Missoula Johnson-Bell Field
Fri 11/20
2:37 pm-3:00 pm
2 stops41h 23m
Lisbon Humberto Delgado
Mon 11/30
12:25 pm-6:35 pm
2 stops37h 10m
$3,512
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.
MSO-LIS
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
MSO-PT0
MSO-LIS
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 September 20, 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.
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Alternative routes for Missoula to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to Portugal by cabin class
Find flights from Missoula to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missoula and Portugal flights
Browse other Missoula and Portugal flight options. Last updated on September 20, 2026.
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Fly to Portugal regions
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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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$551 | Average$766 | FlexibilityNo cancel fee | On-time69% |