May is by far the best month, wherein you can get cheapest flights for Washington to San Jose. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Washington
17:35
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
23:40
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
03:40
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
08:30
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
08:45
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
15:05
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
16:34
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
07:10
San Jose
Juan Santamaria International Airport
Tue, 04 Aug 2026

Washington
17:09
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
12:05
San Jose
Juan Santamaria International Airport
Tue, 04 Aug 2026

Washington
09:55
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
22:00
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
12:40
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
22:00
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
04:10
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
08:45
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026

Washington
06:40
Washington
Washington Dulles International Airport
Mon , 03 Aug 2026

San Jose
13:00
San Jose
Juan Santamaria International Airport
Mon, 03 Aug 2026










Flying from Washington to San Jose has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Washington to San Jose is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Washington Dulles International Airport (IAD) and Juan Santamaria International Airport (SJO). You can expect a flight distance of approximately 3288 km, and most direct services cover it in around 11:31.
Let’s take a closer look at everything you need to know before booking your flight from Washington to San Jose.
| Flight Details | Information |
|---|---|
| Route Distance | 3288 km |
| Average Flight Time | 11:31 hrs |
| Departure Airport | Washington Dulles International Airport (IAD) |
| Arrival Airport | Juan Santamaria International Airport (SJO) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Avianca, United Airlines, Copa Airlines, Aeromexico |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.