
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $237 (United Airlines) |
One-way from | $105 (Gotogate) |
Popular in | April |
Cheapest in | October |
Average price | $306 |
Good round-trip deal | $352 or less |
Good one-way deal | $182 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Mon 2/2
3:35 pm-8:21 am
1 stop17h 46m
San José Juan Santamaria Intl
Wed 2/18
8:11 am-3:15 am
1 stop18h 04m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Mon 2/16
1:18 am-9:06 am
1 stop8h 48m
San José Juan Santamaria Intl
Tue 2/24
5:51 pm-3:15 am
1 stop8h 24m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Fri 1/23
1:12 am-7:06 am
1 stop6h 54m
San José Juan Santamaria Intl
Sat 1/31
6:08 pm-3:13 am
1 stop8h 05m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Fri 1/23
3:25 pm-7:06 am
1 stop16h 41m
San José Juan Santamaria Intl
Mon 1/26
6:08 pm-3:13 am
1 stop8h 05m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Tue 2/10
3:35 pm-7:06 am
1 stop16h 31m
San José Juan Santamaria Intl
Mon 2/16
5:51 pm-3:15 am
1 stop8h 24m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Fri 1/23
1:12 am-7:06 am
1 stop6h 54m
San José Juan Santamaria Intl
Sat 2/7
2:54 pm-3:15 am
1 stop11h 21m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Fri 1/23
1:12 am-7:06 am
1 stop6h 54m
San José Juan Santamaria Intl
Tue 1/27
8:48 am-3:13 am
1 stop17h 25m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Sat 1/24
1:12 am-7:06 am
1 stop6h 54m
San José Juan Santamaria Intl
Tue 1/27
8:48 am-3:13 am
1 stop17h 25m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Sun 1/25
3:25 pm-4:46 pm
3 stops26h 21m
San José Juan Santamaria Intl
Thu 1/29
5:56 pm-3:13 am
1 stop8h 17m
Washington, D.C.San José
IAD - SJO
IADSJO
Washington, D.C. Dulles Intl
Sun 2/22
4:46 pm-10:24 am
2 stops18h 38m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to San José, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San José (average of $152). Flying from Washington, D.C. Dulles Intl Airport to San José in February is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to San José as you normally would.
Panama City (PTY) – chosen by Cheapflights users on 86% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to San José on Cheapflights.
San Salvador (SAL) is the most affordable 1-stop option, with an average round-trip price of $305.
Flights via San Salvador (SAL) have the shortest average one-way travel time for 1-stop routes: 7h 55m.
Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 2h 16m.
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
Entertainment
Food
Comfort
Crew
Overall
Boarding
Reviews
Maria,Dec 2025
PTY - SLA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$586 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$373 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$351 | FlexibilityNo cancel fee | On-time70% |