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Cheap flights from Casper to San José from $442

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 10/21. 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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Find the cheapest flights from Casper to San José

Cheap round-trip flights

United Airlines Logo
6:00 pm - 7:37 pmCPR-SJO
25h 37m2 stops
United Airlines Logo
8:45 am - 8:17 pmSJO-CPR
12h 32m2 stops
$442United Airlines
Find Deal
Tue, Oct 21 - Tue, Nov 4
United Airlines Logo
8:55 am - 12:26 pmCPR-SJO
27h 31m2 stops
United Airlines Logo
11:35 am - 9:40 amSJO-CPR
22h 05m2 stops
$491United Airlines
Find Deal
Tue, Oct 21 - Fri, Oct 31
United Airlines Logo
6:10 pm - 8:39 pmCPR-SJO
25h 29m2 stops
United Airlines Logo
6:30 am - 10:53 amSJO-CPR
29h 23m2 stops
$569United Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 17
United Airlines Logo
3:19 pm - 10:00 pmCPR-SJO
29h 41m1 stop
United Airlines Logo
6:30 am - 10:53 amSJO-CPR
29h 23m2 stops
$723United Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 17
United Airlines Logo
1:22 pm - 10:00 pmCPR-SJO
7h 38m1 stop
United Airlines Logo
7:30 am - 8:40 pmSJO-CPR
14h 10m1 stop
$876United Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 17

United Airlines flights from Casper to San José, San José Province

Our best United Airlines deals on Casper to San José, San José Province flight tickets
United Airlines
Oct 21
CPR6:00 pmCasper Natrona County
25h 37m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Nov 4
SJO8:45 amSan José Juan Santamaria Intl
12h 32m
2 stops
CPR8:17 pmCasper Natrona County
$442
Find similar
United Airlines
Oct 21
CPR8:55 amCasper Natrona County
27h 31m
2 stops
SJO12:26 pmSan José Juan Santamaria Intl
Oct 31
SJO11:35 amSan José Juan Santamaria Intl
22h 05m
2 stops
CPR9:40 amCasper Natrona County
$491
Find similar
United Airlines
Jan 3
CPR6:10 pmCasper Natrona County
25h 29m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Jan 17
SJO6:30 amSan José Juan Santamaria Intl
29h 23m
2 stops
CPR10:53 amCasper Natrona County
$569
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Casper to San José, San José Province 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 September 17, 2025.
Use the filters below to find and compare flights from Casper to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Tue 10/21

6:00 pm-7:37 pm

2 stops25h 37m

San José Juan Santamaria Intl

Tue 11/4

8:45 am-8:17 pm

2 stops12h 32m

$442

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Tue 10/21

8:55 am-12:26 pm

2 stops27h 31m

San José Juan Santamaria Intl

Fri 10/31

11:35 am-9:40 am

2 stops22h 05m

$491

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Sat 1/3

6:10 pm-8:39 pm

2 stops25h 29m

San José Juan Santamaria Intl

Sat 1/17

6:30 am-10:53 am

2 stops29h 23m

$569

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Sat 1/3

3:19 pm-10:00 pm

1 stop29h 41m

San José Juan Santamaria Intl

Sat 1/17

6:30 am-10:53 am

2 stops29h 23m

$723

CasperSan José

CPR - SJO

CPRSJO

Casper Natrona County

Sat 1/3

1:22 pm-10:00 pm

1 stop7h 38m

San José Juan Santamaria Intl

Sat 1/17

7:30 am-8:40 pm

1 stop14h 10m

$876

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, San José Province

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, San José Province?

The cheapest day to depart from Casper to San José, San José Province is on a Monday when prices can be found for as low as $828. The most expensive day to fly to San José, San José Province is Wednesday, with ticket prices averaging around $1,942.

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

At noon is the cheapest time of day to fly from Casper to San José, San José Province when you can find flight prices for as low as $850. Flying to San José, San José Province at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $1,942 per ticket.

When to book flights from Casper to San José, San José Province

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

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

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

Direct flights

None
There are no direct flights from Casper to San José, San José Province. There are no popular flight routes from Casper to San José, San José Province.
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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 38m.

  • 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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Fri 10/17
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