Costa Rica's immigration authority, the DGME, turns away passengers who can't show confirmed departure proof. At Juan Santamaría International Airport (SJO), enforcement runs twice: once at the airline check-in counter before you board, and again at the arrivals hall in San José. A dummy ticket, also called an onward ticket, is a real PNR booked for border-check purposes without paying the full fare. It covers both checkpoints.

Step 1: Confirm Whether Your Nationality Triggers the Check

Most citizens of the US, UK, Canada, Australia, and EU member states enter Costa Rica visa-free for up to 90 days. The complication is the CA-4 Agreement, which pools that 90-day allowance across Costa Rica, Honduras, El Salvador, and Guatemala. Spend 50 days in Guatemala before flying to San José and your permitted stay in Costa Rica drops to 40 days. The DGME officer will ask about your exit plans relative to your remaining CA-4 time.

The UK Foreign, Commonwealth and Development Office travel advice for Costa Rica lists current entry conditions for British nationals and updates more frequently than most third-party travel sources.

Nationality group Visa-free period Who enforces the onward-ticket check
US, Canada, UK, Australia, EU 90 days combined (CA-4) Carrier at departure + DGME on arrival
Most Latin American passports 30-90 days (varies by country) Carrier at departure + DGME on arrival
Visa-required nationalities Visa required Embassy or consulate + DGME on arrival

Step 2: Know What "Valid" Means at the Counter

Airlines serving SJO and Liberia's Daniel Oduber Quirós International Airport (LIR) consult IATA's Timatic database to determine entry requirements. Timatic specifies that proof of onward travel must be a confirmed reservation with a valid Passenger Name Record in the global distribution system. What fails: a Google Flights screenshot with no booking reference, an OTA soft hold that hasn't been ticketed, a PDF from a price-comparison site, or a WhatsApp forward of someone else's itinerary.

What passes is a reservation with a confirmed PNR that resolves in Amadeus, Sabre, or Galileo with the correct passenger name and a live HK (confirmed) status. That's precisely what a dummy ticket is built to provide. The booking is real; the GDS entry is real. What you're not paying is the full fare.

For a complete account of how carriers verify onward tickets at check-in, including which document fields agents check and why screenshots fail, that guide covers every step of the process.

Step 3: Book Your Dummy Ticket at the Right Time

Book 24 to 48 hours before your outbound flight. That's enough lead time for the PNR to propagate through GDS systems and be queryable by the check-in agent's terminal. Booking weeks ahead gives no additional GDS benefit: the verification is a live lookup, not a document review, and a PNR booked yesterday carries the same status as one booked three weeks ago.

The onward leg doesn't have to depart from Costa Rica. If your plan is to leave overland to Panama, a flight from Tocumen International Airport (PTY) back to Europe or North America is an acceptable exit document, provided the route makes sense with your stated itinerary.

Onward departure point Accepted at SJO and LIR?
San José (SJO) or Liberia (LIR) Yes, most straightforward
Panama City (PTY) after Paso Canoas land crossing Yes, if itinerary is plausible
Cancún or Bogotá during a Central American circuit Yes
Unrelated intercontinental hub Officer discretion; align with your stated plans

For details on how long an onward ticket PNR stays active before it lapses, the PNR validity guide has the breakdown by carrier type and use case.

Step 4: What Happens at the DGME Primary Desk

The DGME officer at SJO or LIR will ask two things: how long you plan to stay, and how you plan to leave. Have the onward ticket confirmation visible on your phone or printed. Officers can query a PNR directly in the same GDS the carrier used. A confirmed booking with the correct passenger name returns a clean result. An expired status, a cancelled booking, or a phantom reference returns nothing useful.

Saw a traveller at SJO held for secondary inspection because the "ticket" they'd printed was an OTA booking-pending email. The GDS had no record of any confirmed reservation. The officer called secondary and the passenger waited two hours.

Declare a stay length that aligns with your ticket's exit date. A 30-day declared stay paired with an onward ticket in 60 days triggers questions. A 60-day declared stay with a ticket in 61 days does not.

Step 5: Arrivals at Liberia Follow the Same Rules

Don't assume Liberia is a softer entry point. Daniel Oduber Quirós International Airport handles direct flights from North America and seasonal charters from Europe, primarily for the Guanacaste region. Its DGME desk runs the identical Timatic-backed entry check. The onward ticket requirement applies regardless of which Costa Rican airport you fly into.

Step 6: When Your Plans Are Genuinely Open

Open itineraries are common among backpackers and long-stay visitors. That's fine. A dummy ticket dated six to eight weeks from arrival covers most stays without committing you to a specific departure. Once you've cleared both the airline counter and DGME immigration, the PNR's status no longer affects your stay. The only moment the ticket needs to be live is at check-in and on arrival.

Book a Costa Rica onward ticket in two minutes and have the confirmation saved before check-in opens.

Frequently Asked Questions

Do bus or ferry bookings count as onward proof for Costa Rica?

Some DGME officers at land crossings accept a confirmed bus ticket for the Paso Canoas or Peñas Blancas border. Airline check-in agents are stricter: they work from Timatic and almost always need a flight PNR. A dummy flight ticket is the safest document at both airport and land-border checkpoints.

Is the 90-day limit per trip or a rolling total?

The CA-4 Agreement makes it 90 days in a rolling window across Costa Rica, Honduras, El Salvador, and Guatemala combined. Exiting to Panama for a week doesn't reset your clock unless you've spent 90 consecutive days outside the CA-4 zone.

Can the DGME deny entry even if the airline already cleared me?

Yes. They're separate decisions. The carrier is covering its own liability at check-in. The DGME officer makes an independent entry determination on arrival, and both ask for the same documentation.

How far ahead should I book the dummy ticket?

24 to 48 hours is plenty. The PNR propagates through GDS systems quickly and is queryable within minutes. There's no verification advantage to booking days or weeks in advance.

What if my plans change after I've already entered Costa Rica?

Your dummy ticket only needs to be valid at check-in and on arrival. Once you've cleared immigration, the PNR can expire or change without affecting your authorised stay. The ticket date doesn't fix your departure; it satisfies the entry requirement.