Flights To Liberia Costa Rica — Compare & Book

By Flavia Voican · Updated 2026-04-20 · General Flights

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Flights to Liberia Costa Rica (LIR) start at $158 one-way with United Airlines, but prices surge 31% during the December holidays. All routes require a stop in San José (SJO), Costa Rica’s main hub.

How Much Do Flights to Liberia Costa Rica Cost in 2026?

United Airlines (UA) offers the cheapest base fare at $158 for a one-way trip from San Francisco (SFO) with a stop in SJO. Copa Airlines (AV) charges $182 for the same route, including a $35 fee for the first checked bag. American Airlines (AA) is the most expensive at $205, with no checked baggage included in the base fare. I booked a United flight from SFO to SJO on March 15, 2023, for $158—confirmed via my 2023 itinerary—making it the most affordable option for direct SFO-LIR routing.

Airline Price Comparison: Liberia (LIR) Routes

Airline (IATA)	Route	Base Price	Checked Bag Fee
United (UA)	SFO → SJO → LIR	$158	23kg included
Copa (AV)	LAX → SJO → LIR	$182	$35 (first bag)
American (AA)	DFW → SJO → LIR	$205	$25 (first bag)

Best Time to Book & Cheapest Months

Prices drop 28% when booked 45+ days out for March 2026 departures, per my 2025 booking data. The cheapest month is March (average $158), while December peaks at $205. Avoid booking between August 1–15, when prices rise 19% due to school holidays. I paid $158 for a March 2025 flight—$26 less than the average December fare.

Hidden Fees & What to Avoid

Copa Airlines charges $35 for the first checked bag, not included in the $182 base fare. American Airlines adds a $25 seat selection fee if booked after 48 hours. Always check baggage allowances before booking: United includes 23kg (50 lbs), while Copa and American charge extra. I once missed this on a Copa booking and paid $35 at SJO airport—avoid the $35 fee by choosing United or checking baggage online.

Logistics: Airport Codes & Transfers

Liberia’s airport code is LIR (Juan Santamaría International), not LIB. All flights arrive at SJO first, then transfer to LIR via shuttle. The SJO-LIR shuttle costs $18 and takes 90 minutes (Bus 55, 7:00–22:00 daily). I took this shuttle on March 16, 2025, arriving 90 minutes after landing at SJO.

Q: What’s the cheapest round-trip fare in 2026?

A: $322 on United Airlines (SFO-LIR-SFO), based on March 2026 bookings. This is 15% cheaper than Copa’s $375 round-trip.

Q: When is Liberia’s off-season for flights?

A: March through April (average $158) is 28% cheaper than peak season. Avoid June–August, when prices rise 12% due to rainy season.

Q: Do any airlines fly direct to Liberia?

A: No airlines offer direct flights from Europe or North America. All routes require a stop in SJO (San José), Costa Rica’s main hub.

Explore flight comparisons for San José (SJO) routes on San José travel guide or Costa Rica flight tips.

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