Montreal (YUL) to Guanacaste (LIR) flights
2 airlines fly nonstop from Montreal (YUL) to Guanacaste (LIR): Air Canada and Air Transat. The two airports are 2,507 miles (4,035 km) apart. Air Canada is in Star Alliance. There are also 19 ways to fly it with one stop, through Dulles, Miami and Fort Lauderdale and more.
Airlines flying nonstop from YUL to LIR
- Air CanadaStar Alliance · bookable with 12 programsWho books it
- Air TransatNot in an alliance
Book YUL to LIR with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada
- Air New Zealand AirpointsBooks Air Canada
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Lufthansa Miles & MoreBooks Air Canada
- Singapore Airlines KrisFlyerBooks Air Canada
- TAP Miles&GoBooks Air Canada
- Thai Royal Orchid PlusBooks Air Canada
- Turkish Airlines Miles&SmilesBooks Air Canada
- United MileagePlusBooks Air Canada
YUL to LIR with one stop
19 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dulles (IAD)United Airlines the whole way
- Via Miami (MIA)American Airlines the whole way
- Via Fort Lauderdale (FLL)Air Canada and Porter Airlines, then JetBlue Airways
- Via Philadelphia (PHL)American Airlines the whole way
- Via New York (EWR)United Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Ottawa (YOW)Air Canada, Air Transat and 1 more, then Porter Airlines and WestJetPP
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Boston (BOS)Air Canada and Porter Airlines, then JetBlue Airways and Delta Air Lines
- Via Toronto (YYZ)Air Canada, Air Transat and 2 more the whole way+2+1
- Via San Jose (SJO)Air Canada and Air Transat, then SANSA and Edelweiss AirRZ
- Via Nashville (BNA)Air Canada, then Southwest Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Houston (IAH)Air Canada, then United Airlines
YUL to LIR: common questions
Which airlines fly nonstop from YUL to LIR?
Air Canada (Star Alliance) and Air Transat fly nonstop from Montreal (YUL) to Guanacaste (LIR).
How far is Montreal from Guanacaste by plane?
Montreal (YUL) and Guanacaste (LIR) are 2,507 miles (4,035 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YUL to LIR award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does YUL to LIR cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YUL to LIR with taxes and fees.
Where can I connect between Montreal and Guanacaste?
The most direct connections are through Dulles (IAD), Miami (MIA), Fort Lauderdale (FLL), Philadelphia (PHL) and New York (EWR). On 11 of them the same airline flies both flights, for example United Airlines through Dulles.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.