$2,003 Cheap flights to Costa Rica

The cheapest flights to Costa Rica recently found by momondo users are $489 with Alaska Airlines, $1,758 with United Airlines, and $1,915 with Air Canada.

Of the 4 airlines that fly to Costa Rica, United Airlines, American Airlines and Qatar Airways happen to be the most favoured based on our user data. United Airlines is the most popular among the three airlines, with 71% of users choosing them for their travels to Costa Rica.

San José Juan Santamaria Intl is the most popular airport in Costa Rica to fly to, with 88% of all users travelling to Costa Rica opting to take a flight into this airport. If you’re interested in staying in San José, which is the city in Costa Rica that is closest to San José Juan Santamaria Intl, then be sure to check momondo for cheap flight deals.

The best day of the week to fly to Costa Rica is Sunday due to prices being at their lowest. Flying out on a Monday should be a backup plan since this day tends to be less expensive as well. Wednesday, on the other hand, is the most expensive day to fly to Costa Rica.

Prices for flights to Costa Rica refresh daily.

The number of operators available for flights to Costa Rica is 5 as of December 2025.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Costa Rica.

The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.