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Cheap flights from Casper to San José from $434

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Casper to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:25 am - 8:39 pm
CPR
-
SJO
14h 14m
2 stops
United Airlines Logo
2:05 pm - 10:51 am
SJO
-
CPR
21h 46m
2 stops
$434United Airlines
Tue, Feb 24 - Fri, Feb 27
United Airlines Logo
5:25 am - 8:39 pm
CPR
-
SJO
14h 14m
2 stops
United Airlines Logo
2:05 pm - 10:51 am
SJO
-
CPR
21h 46m
2 stops
$463United Airlines
Tue, Feb 24 - Fri, Feb 27
United Airlines Logo
6:08 pm - 8:39 pm
CPR
-
SJO
25h 31m
2 stops
United Airlines Logo
2:20 pm - 10:51 am
SJO
-
CPR
21h 31m
2 stops
$506United Airlines
Tue, Feb 24 - Fri, Feb 27

United Airlines flights from Casper to San José

Our best United Airlines deals on Casper to San José flight tickets
United Airlines
Feb 24
CPR5:25 amCasper Natrona County
14h 14m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Feb 27
SJO2:05 pmSan José Juan Santamaria Intl
21h 46m
2 stops
CPR10:51 amCasper Natrona County
$434
United Airlines
Feb 24
CPR5:25 amCasper Natrona County
14h 14m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Feb 27
SJO2:05 pmSan José Juan Santamaria Intl
21h 46m
2 stops
CPR10:51 amCasper Natrona County
$463
United Airlines
Feb 24
CPR6:08 pmCasper Natrona County
25h 31m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Feb 27
SJO2:20 pmSan José Juan Santamaria Intl
21h 31m
2 stops
CPR10:51 amCasper Natrona County
$506

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 February 8, 2026.
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

Tue 2/24

5:25 am-8:39 pm

2 stops14h 14m

San José Juan Santamaria Intl

Fri 2/27

2:05 pm-10:51 am

2 stops21h 46m

$434

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Tue 2/24

5:25 am-8:39 pm

2 stops14h 14m

San José Juan Santamaria Intl

Fri 2/27

2:05 pm-10:51 am

2 stops21h 46m

$463

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Tue 2/24

6:08 pm-8:39 pm

2 stops25h 31m

San José Juan Santamaria Intl

Fri 2/27

2:20 pm-10:51 am

2 stops21h 31m

$506

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

25h 31m

Direct flights

None
The fastest flight from Casper to San José takes 25h 31m
There are no direct flights from Casper to San José. There are no popular flight routes from Casper to San José.
Search flight deals

  • 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 25h 31m.

  • 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.

  • How do I get Price Alerts for flights from Casper to San José?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Casper from San José. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Casper to San José with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near San José?

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