Flights from Ontario to Guanacaste (ONT → LIR)

ONT
Ontario
Ontario International Airport, USA
LIR
Guanacaste
Daniel Oduber Quiros International, Costa Rica
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No direct flights found. Here are the 11 fastest 1-stop options.
viaHouston(HOU)
ONT→HOU+1h 30mHOU→LIR
6h 48m
viaHouston(IAH)
ONT→IAH+1h 30mIAH→LIR
6h 49m
viaDallas(DFW)
ONT→DFW+1h 30mDFW→LIR
6h 59m
viaDenver(DEN)
ONT→DEN+1h 30mDEN→LIR
7h 28m
viaSan Francisco(SFO)
ONT→SFO+1h 30mSFO→LIR
7h 46m
viaAtlanta(ATL)
ONT→ATL+1h 30mATL→LIR
8h 6m
viaCharlotte(CLT)
ONT→CLT+1h 30mCLT→LIR
8h 42m
viaChicago(ORD)
ONT→ORD+1h 30mORD→LIR
8h 50m
viaSeattle(SEA)
ONT→SEA+1h 30mSEA→LIR
9h 36m
viaBaltimore(BWI)
ONT→BWI+1h 30mBWI→LIR
9h 42m
viaNew York(JFK)
ONT→JFK+1h 30mJFK→LIR
10h 14m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Ontario to Guanacaste? Currently, there are no direct flights from ONT to LIR. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Guanacaste.

Cheap flights from Ontario to Guanacaste Cheapest month to fly to Guanacaste Flights from USA Flights to Costa Rica Visa-free with USA passport All airports in Costa Rica

Try a nearby airport to Ontario

Flights to Guanacaste (LIR) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → LIR 48 km from ONT Santa Ana → Guanacaste USA · 48 destinations LGB → LIR 57 km from ONT Long Beach → Guanacaste USA · 18 destinations BUR → LIR 71 km from ONT Burbank → Guanacaste USA · 31 destinations LAX → LIR 75 km from ONT Los Angeles → Guanacaste USA · 181 destinations VNY → LIR 84 km from ONT Los Angeles → Guanacaste USA · 9 destinations

Or try a nearby airport to Guanacaste

Flights from Ontario (ONT) to other airports within 350 km of Guanacaste.

ONT → FON 106 km from LIR Ontario → Fortuna Costa Rica · 5 destinations ONT → ACO 112 km from LIR Ontario → Cobano Costa Rica · 5 destinations ONT → SJO 161 km from LIR Ontario → San Jose Costa Rica · 55 destinations ONT → MGA 185 km from LIR Ontario → Managua Nicaragua · 11 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →

Other flights from Guanacaste (LIR)

Atlanta (ATL) Baltimore (BWI) Boston (BOS) Calgary (YYC) Charlotte (CLT) Chicago (ORD) Cobano (ACO) Dallas (DFW) All 30 destinations →