United States to Costa Rica · 1,480 miles (2,382 km)

Houston (IAH) to Guanacaste (LIR) flights

Air Canada Aeroplan logo
10,000 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Houston (IAH) to Guanacaste (LIR) starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $71.61. One airline flies nonstop from Houston (IAH) to Guanacaste (LIR): United Airlines. The two airports are 1,480 miles (2,382 km) apart. United Airlines is in Star Alliance. There are also 7 ways to fly it with one stop, through San Jose, Dallas and Miami and more.

How many miles IAH to LIR costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Air Canada AeroplanOn United Airlines10,000$71.61–76.11
Avianca LifeMilesOn United Airlines17,500$54
Emirates SkywardsOn United Airlines18,000$5.60–355.60
Singapore Airlines KrisFlyerOn United Airlines20,500$5.60
EVA Air Infinity MileageLandsOn United Airlines25,000$5.60
ANA Mileage ClubOn United Airlines30,000$5.60
Thai Royal Orchid PlusOn United Airlines35,000$5.60
TAP Miles&GoOn United Airlines55,000$50.40
Turkish Airlines Miles&SmilesOn United Airlines90,000$5.60

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from IAH to LIR

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to LIR with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAH to LIR with one stop

7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via San Jose (SJO)United Airlines, then SANSA and Edelweiss Air
    United Airlines logo
    RZ
    Edelweiss Air logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Miami (MIA)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Fort Lauderdale (FLL)JetBlue Airways the whole way
    United Airlines logo
    Frontier Airlines logo
    JetBlue Airways logo
    JetBlue Airways logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Nashville (BNA)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo

IAH to LIR: common questions

How many miles does IAH to LIR cost?

In economy it starts at 10,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $71.61. Next cheapest: Avianca LifeMiles (17,500), Emirates Skywards (18,000) and Singapore Airlines KrisFlyer (20,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from IAH to LIR?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Guanacaste (LIR).

How far is Houston from Guanacaste by plane?

Houston (IAH) and Guanacaste (LIR) are 1,480 miles (2,382 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAH to LIR award flights?

13 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, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Houston and Guanacaste?

The most direct connections are through San Jose (SJO), Dallas (DFW), Miami (MIA), Fort Lauderdale (FLL) and Atlanta (ATL). On 5 of them the same airline flies both flights, for example American Airlines through Dallas.

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.