Costa Rica to United States · 2,021 miles (3,253 km)

Guanacaste (LIR) to Dulles (IAD) flights

Air Canada Aeroplan logo
12,500 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Guanacaste (LIR) to Dulles (IAD) starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $84.99. One airline flies nonstop from Guanacaste (LIR) to Dulles (IAD): United Airlines. The two airports are 2,021 miles (3,253 km) apart. United Airlines is in Star Alliance. There are also 19 ways to fly it with one stop, through Miami, Fort Lauderdale and Charlotte and more.

How many miles LIR to IAD 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 Airlines12,500$84.99–155.59
Avianca LifeMilesOn United Airlines17,500$58.59–129.19
Singapore Airlines KrisFlyerOn United Airlines20,500$33.59–104.19
Emirates SkywardsOn United Airlines22,000$33.59–454.19
EVA Air Infinity MileageLandsOn United Airlines25,000$33.59–104.19
ANA Mileage ClubOn United Airlines30,000$33.59–104.19
Thai Royal Orchid PlusOn United Airlines35,000$33.59–104.19
TAP Miles&GoOn United Airlines55,000$78.39–148.99
Turkish Airlines Miles&SmilesOn United Airlines90,000$33.59–104.19

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 LIR to IAD

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

Book LIR to IAD with points

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

LIR to IAD with one stop

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

  • Via Miami (MIA)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Fort Lauderdale (FLL)JetBlue Airways, then United Airlines and Frontier Airlines
    JetBlue Airways logo
    United Airlines logo
    Frontier Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via San Jose (SJO)SANSA, then United Airlines
    RZ
    United Airlines logo
  • Via Philadelphia (PHL)American Airlines, then United Airlines
    American Airlines logo
    United Airlines logo
  • Via Nashville (BNA)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via New York (JFK)Delta Air Lines the whole way
    JetBlue Airways logo
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Air Transat logo
    WestJet logo
    +1
    Air Canada logo
    United Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Chicago (ORD)United Airlines the whole way
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Boston (BOS)JetBlue Airways and Delta Air Lines, then United Airlines
    JetBlue Airways logo
    Delta Air Lines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
See all 19 in Routes

LIR to IAD: common questions

How many miles does LIR to IAD cost?

In economy it starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $84.99. Next cheapest: Avianca LifeMiles (17,500), Singapore Airlines KrisFlyer (20,500) and Emirates Skywards (22,000). 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 LIR to IAD?

United Airlines (Star Alliance) flies nonstop from Guanacaste (LIR) to Dulles (IAD).

How far is Guanacaste from Dulles by plane?

Guanacaste (LIR) and Dulles (IAD) are 2,021 miles (3,253 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book LIR to IAD 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 Guanacaste and Dulles?

The most direct connections are through Miami (MIA), Fort Lauderdale (FLL), Charlotte (CLT), Atlanta (ATL) and San Jose (SJO). On 13 of them the same airline flies both flights, for example American Airlines through Miami.

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.