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Cheap flights from Casper to San José from $482

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Casper to San José departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:01 pm - 10:11 amCPR-SJO
16h 10m2 stops
United Airlines Logo
11:13 am - 10:53 amSJO-CPR
23h 40m2 stops
$482United Airlines
Find Deal
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
1:25 pm - 9:15 pmCPR-SJO
7h 50m1 stop
United Airlines Logo
1:30 pm - 5:04 pmSJO-CPR
27h 34m2 stops
$512United Airlines
Find Deal
Sat, Apr 25 - Wed, Apr 29

United Airlines flights from Casper to San José

Our best United Airlines deals on Casper to San José flight tickets
United Airlines
Nov 8
CPR5:30 amCasper Natrona County
14h 09m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Nov 10
SJO8:45 amSan José Juan Santamaria Intl
14h 13m
2 stops
CPR9:58 pmCasper Natrona County
$362
Find similar
United Airlines
Apr 25
CPR6:01 pmCasper Natrona County
16h 10m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Apr 29
SJO11:13 amSan José Juan Santamaria Intl
23h 40m
2 stops
CPR10:53 amCasper Natrona County
$482
Find similar
United Airlines
Apr 25
CPR1:25 pmCasper Natrona County
7h 50m
1 stop
SJO9:15 pmSan José Juan Santamaria Intl
Apr 29
SJO1:30 pmSan José Juan Santamaria Intl
27h 34m
2 stops
CPR5:04 pmCasper Natrona County
$512
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Casper 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Casper to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Sat 4/25

6:01 pm-10:11 am

2 stops16h 10m

San José Juan Santamaria Intl

Wed 4/29

11:13 am-10:53 am

2 stops23h 40m

$482

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Sat 4/25

1:25 pm-9:15 pm

1 stop7h 50m

San José Juan Santamaria Intl

Wed 4/29

1:30 pm-5:04 pm

2 stops27h 34m

$512

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Casper to San José

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Casper is on a Monday. momondo users have found tickets for Monday departures for as low as $828. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Casper to San José on a Wednesday will generally be more expensive and average around $1,942. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Casper to San José flights are usually those with departure times at noon. Our users have found flights to San José at noon for as low as $850. Flights in the morning are often more expensive with an average ticket price of $1,942.

When to book flights from Casper to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Casper to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Casper to San José (CPR to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casper to San José

Direct flights

None
There are no direct flights from Casper to San José. There are no popular flight routes from Casper to San José.
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  • How far is Casper Natrona County to San José Juan Santamaria Intl by plane?

    A flight from Casper Natrona County to San José Juan Santamaria Intl will travel around 2638.0 mi. A reasonable flight in good conditions will take 7h 50m.

  • When did momondo last update prices for flights from Casper Natrona County Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Casper Natrona County Airport to San José Juan Santamaria Intl Airport were last updated today.

  • How old do you have to be to fly from Casper Natrona County Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Casper Natrona County Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San José?

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

Why use momondo?

Why should I use momondo to find a flight deal from Casper to San José?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San José from Casper.

Can I find flights from Casper to San José with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San José from Casper with this policy.

How can momondo help me find flights from Casper to San José?

Once all potential Casper to San José flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Casper to San José right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San José from Casper. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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