$142 Cheap Flights from Great Falls (GTF) to San José (SJO)

View $142 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Great Falls to San José (GTF-SJO)

Prices were available within the past 7 days and start at $142 for one-way flights and $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 13 - Sat, Nov 22
GTF
Great Falls
SJO
San José
$320 Roundtrip, found 6 hours ago
$320
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Nov 13 from Great Falls to San José, returning Sat, Nov 22, priced at $320 found 6 hours ago
Delta
Mon, Oct 27 - Fri, Nov 14
GTF
Great Falls
SJO
San José
$341 Roundtrip, found 3 days ago
$341
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 27 from Great Falls to San José, returning Fri, Nov 14, priced at $341 found 3 days ago
Alaska Airlines
Tue, Oct 28 - Wed, Nov 12
GTF
Great Falls
SJO
San José
$356 Roundtrip, found 3 days ago
$356
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Great Falls to San José, returning Wed, Nov 12, priced at $356 found 3 days ago
Delta
Tue, Nov 18 - Fri, Dec 5
GTF
Great Falls
SJO
San José
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov 18 from Great Falls to San José, returning Fri, Dec 5, priced at $362 found 3 days ago
Alaska Airlines
Tue, Oct 28 - Thu, Nov 13
GTF
Great Falls
SJO
San José
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Great Falls to San José, returning Thu, Nov 13, priced at $364 found 3 days ago
Delta
Fri, Feb 27 - Wed, Mar 4
GTF
Great Falls
SJO
San José
$368 Roundtrip, found 1 day ago
$368
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 27 from Great Falls to San José, returning Wed, Mar 4, priced at $368 found 1 day ago
Delta
Thu, Nov 13 - Sat, Nov 22
GTF
Great Falls
SJO
San José
$386 Roundtrip, found 6 hours ago
$386
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Nov 13 from Great Falls to San José, returning Sat, Nov 22, priced at $386 found 6 hours ago
Delta
Fri, Feb 27 - Wed, Mar 4
GTF
Great Falls
SJO
San José
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 27 from Great Falls to San José, returning Wed, Mar 4, priced at $402 found 1 day ago
Delta
Mon, Oct 27 - Mon, Nov 10
GTF
Great Falls
SJO
San José
$407 Roundtrip, found 3 days ago
$407
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 27 from Great Falls to San José, returning Mon, Nov 10, priced at $407 found 3 days ago
United
Sat, Oct 25 - Mon, Nov 10
GTF
Great Falls
SJO
San José
$412 Roundtrip, found 3 days ago
$412
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from Great Falls to San José, returning Mon, Nov 10, priced at $412 found 3 days ago

Alternative airports near San José

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $386
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $386
Flights from Great Falls (GTF) to San José (SJO)
Origin airport
Great Falls Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$320
Distance
3035 mi

Great Falls to San José Flights

The cheapest times to fly from Great Falls to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to San José are during the month of November. You can find some of the cheapest flights from Great Falls to San José with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to San José

Sunday is one of the best days to book for cheap flights from Great Falls to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $142 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO) cost?
Secure a cheap one-way flight from $142 or cheap return flight from $320 from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO)?
November is the cheapest month to fly from GTF to SJO. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from GTF to SJO. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO)?
There aren't any daily direct flights departing from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from GTF to SJO?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO)?
To land at Juan Santamaria Intl. Airport (SJO) on time, book a flight that leaves Great Falls Intl. Airport (GTF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO) last-minute?
Holding off until just before your departure to book your flight from GTF to SJO often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a GTF to SJO flight and hotel package?
You'll typically save money by booking a GTF to SJO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Juan Santamaria Intl. Airport (SJO)?
If you reserved your GTF to SJO flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.