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Cheap flights from Casper to Costa Rica 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 Costa Rica 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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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
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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
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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 Costa Rica

Our best United Airlines deals on Casper to Costa Rica 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 Costa Rica 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 Costa Rica 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

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Casper to Costa Rica

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 Costa Rica?

According to our data, Monday is the cheapest day to fly to Costa Rica from Casper. The lowest ticket price found for a Monday departure recently was $828. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,942. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

At noon is the cheapest time of day to fly from Casper to Costa Rica when you can find flight prices for as low as $850. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $1,942. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Casper to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casper to Costa Rica

Direct flights

None
There are no direct flights from Casper to Costa Rica. There are no popular flight routes from Casper to Costa Rica.
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  • When did momondo last update prices for flights from Casper Natrona County Airport to Costa Rica?

    Prices for flights from Casper Natrona County Airport to Costa Rica are refreshed on a daily basis.

  • How old do you have to be to fly from Casper Natrona County Airport to Costa Rica?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Casper Natrona County Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Casper to Costa Rica?

It is quick and easy to find Casper to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

Can I find flights from Casper to Costa Rica with flexible booking policies on momondo?

All flight searches from Casper to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Casper to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Casper.

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

Yes. momondo can track prices for Casper to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Fri 10/17
Fri 10/24
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