Direct (non-stop) flights from Washington (IAD) to Alajuela (SJO)
Find comprehensive flight information, schedules, and booking details for direct flights from Washington (IAD) to Alajuela (SJO). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 4h 30m - 4h 58m (average flight time)• Distance: 2055 miles (3306 km) (air miles between airports)• Daily Flights: 0-2 flights (scheduled departures per day)
Washington (IAD)
Alajuela (SJO)
FLIGHT TIME
4h 30m - 4h 58m
FLIGHT DISTANCE
2055 miles (3306 km)
4h 55m - 4h 55m
23:55
23:55
2055 miles (3306 km)
January
1 (Show)
1
Flight Schedule
December 2025
Airlines with direct flights from Washington (IAD) to Alajuela (SJO)
Route Insights
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 23:00, offering more flight options and potentially better connections.
Washington (IAD) - Alajuela (SJO) flight price statistics
$450
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$200
Jan$410
Feb$411
Mar$423
Apr$432
May$629
Jun$536
Jul$461
Aug$372
Sep$386
Oct$352
Nov$786
DecRelated Information
Airports: IAD • SJO Airport
Airlines operating this route: AVIANCA (AV)
Frequently Asked Questions
How many flights operate from IAD to SJO?
There is 1 direct flight operating from IAD to SJO. Approximately 0-2 flights daily.
Which airlines operate flights from IAD to SJO?
1 airline operates on this route: AVIANCA.
How long is the flight from IAD to SJO?
The flight duration from IAD to SJO is approximately 4h 30m - 4h 58m.
What is the distance from IAD to SJO?
The distance from IAD to SJO is 2055 miles (3306 km).
What is the flight time range for this route?
Flight times on this route range from 4h 55m - 4h 55m.
What are the earliest and latest flight departure times?
The earliest flight departs at 23:55 and the latest flight departs at 23:55.
What is the cheapest month to fly from IAD to SJO?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 1 flight operate per week from IAD to SJO.
What types of aircraft operate on this route?
This route is served by Airbus A320neo.
What is the average flight price from IAD to SJO?
The average flight price for a round-trip ticket from IAD to SJO is approximately $450 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from IAD to SJO for the lowest prices?
January is typically the cheapest month to fly from IAD to SJO. Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is SJO from IAD?
The distance from IAD to SJO is 2055 miles (3306 km). This is a long-haul flight route.
How long does it take to fly from IAD to SJO?
The flight time from IAD to SJO is approximately 4h 30m - 4h 58m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.