HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$435+ Cheap flights from Missoula (MSO) to San José (SJO)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to San José 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 San José

Cheapest flights from Missoula to San José
Explore the most affordable flight options available from Missoula to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 4/112:38 pm
MSO
-
SJO
2 stops19h 33m
United Airlines
Sun 4/196:40 am
SJO
-
MSO
1 stop14h 55m
United Airlines
Deal found 1/20$435
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 11/11:14 pm
MSO
-
SJO
2 stops22h 08m
American Airlines
Sat 11/76:00 am
SJO
-
MSO
1 stop31h 39m
American Airlines
Deal found 1/21$444
This United Airlines deal was found by Cheapflights users on 1/21. 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 5/245:32 pm
MSO
-
SJO
2 stops16h 39m
United Airlines
Sat 5/306:00 am
SJO
-
MSO
1 stop16h 25m
United Airlines
Deal found 1/21$445
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/15:15 pm
MSO
-
SJO
2 stops16h 56m
United Airlines
Tue 4/711:13 am
SJO
-
MSO
2 stops26h 23m
United Airlines
Deal found 1/21$446
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/25:15 pm
MSO
-
SJO
2 stops43h 00m
United Airlines
Tue 2/106:30 am
SJO
-
MSO
2 stops32h 05m
United Airlines
Deal found 1/20$450
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/72:05 pm
MSO
-
SJO
1 stop17h 27m
United Airlines
Sat 3/145:40 am
SJO
-
MSO
2 stops31h 53m
United Airlines
Deal found 1/21$459
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/106:15 am
MSO
-
SJO
2 stops29h 41m
United Airlines
Wed 3/255:30 am
SJO
-
MSO
2 stops40h 27m
United Airlines
Deal found 1/21$461
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 1/246:00 am
MSO
-
SJO
1 stop15h 00m
United Airlines
Wed 1/286:30 am
SJO
-
MSO
2 stops32h 05m
United Airlines
Deal found 1/19$464
This United Airlines deal was found by Cheapflights users on 1/21. 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 1/216:00 am
MSO
-
SJO
2 stops29h 56m
United Airlines
Fri 1/309:40 am
SJO
-
MSO
1 stop29h 25m
United Airlines
Deal found 1/21$471
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/165:16 pm
MSO
-
SJO
2 stops18h 40m
United Airlines
Wed 3/181:05 pm
SJO
-
MSO
2 stops32h 52m
United Airlines
Deal found 1/21$490

Find flight deals from Missoula to San José

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$435
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$598
Provider with most accurate pricing for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flights.
Search Deals
From Missoula Johnson-Bell Field to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula to San José 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 January 21, 2026.
Use the filters below to find and compare flights from Missoula to San José that are best for you.

Fly from

Missoula

Fly to

San José

Route

Depart

Return

Price

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

4:40 pm-1:07 pm

2 stops20h 27m

San José Juan Santamaria Intl

Sat 5/30

3:12 pm-12:35 pm

2 stops21h 23m

$435

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

5:32 pm-10:11 am

2 stops16h 39m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:25 pm

1 stop16h 25m

$445

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 4/1

5:15 pm-10:11 am

2 stops16h 56m

San José Juan Santamaria Intl

Tue 4/7

11:13 am-1:36 pm

2 stops26h 23m

$446

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/2

5:15 pm-1:15 pm

2 stops43h 00m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-1:35 pm

2 stops32h 05m

$450

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

7:55 pm-11:33 pm

2 stops27h 38m

San José Juan Santamaria Intl

Fri 5/29

12:53 am-12:23 pm

2 stops35h 30m

$459

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 3/7

2:05 pm-8:32 am

1 stop17h 27m

San José Juan Santamaria Intl

Sat 3/14

5:40 am-1:33 pm

2 stops31h 53m

$459

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 3/16

5:16 pm-11:56 am

2 stops18h 40m

San José Juan Santamaria Intl

Wed 3/25

5:30 am-9:57 pm

2 stops40h 27m

$461

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 3/10

6:15 am-11:56 am

2 stops29h 41m

San José Juan Santamaria Intl

Wed 3/25

5:30 am-9:57 pm

2 stops40h 27m

$461

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 2/18

5:08 pm-12:56 pm

2 stops18h 48m

San José Juan Santamaria Intl

Fri 2/27

2:20 pm-2:03 pm

2 stops24h 43m

$509

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

5:08 pm-1:15 pm

2 stops19h 07m

San José Juan Santamaria Intl

Fri 3/6

2:05 pm-1:33 pm

2 stops24h 28m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Missoula to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to San José in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-San José flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 San José

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

Currently, January is the cheapest month in which you can book a flight from Missoula to San José (average of $188). Flying from Missoula to San José in December is currently the most expensive (average of $1,173). 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.

How much does it cost to fly round-trip from Missoula to San José?

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated January 21, 2026.
Read through reviews of airlines operating flights from Missoula to San José, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

  • How long is the flight from Missoula to San José?

    There are many flights that can get you from Missoula to San José in 19h 33m. Fly via United Airlines to get the fastest option. The distance between Missoula and San José is about 3091 mi.

  • What are the cheapest airlines flying from Missoula to San José round-trip?

    Cheapflights users have booked flights from Missoula to San José round-trip from $196. Another airline that can offer you cheap pricing is American Airlines. Users have found that United Airlines is 71% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Missoula to San José?

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

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

    Yes. Cheapflights offers flight deals from Missoula to San José 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 San José?

    Currently, January is the cheapest month in which you can book a flight from Missoula to San José (average of $188). Flying from Missoula to San José in December is currently the most expensive (average of $1,173). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

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 2 airlines flying from Missoula to San José

Discover the top 2 airlines that operate flights from Missoula to San José. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$196Average$581FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$457Average$682FlexibilityNo cancel feeOn-time71%

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.