Leave for SJO with sufficient time to clear security. Self-check kiosks and baggage drop-off are available, but arrive at least 3 hours before your flight.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $212 (CheapOair) |
One-way from | $106 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $334 |
Good round-trip deal | $211 or less |
Good one-way deal | $212 or less |
Fly from
Fly to
Route
Depart
Return
Price
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 3/5
12:35 pm-10:28 pm
1 stop8h 53m
Washington, D.C. Dulles Intl
Sat 3/7
10:05 pm-7:32 am
1 stop34h 27m
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Fri 11/14
8:45 am-11:28 am
1 stop25h 43m
Washington, D.C. Dulles Intl
Mon 11/24
10:10 pm-11:25 am
1 stop14h 15m
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 11/20
8:45 am-10:12 pm
1 stop12h 27m
Washington, D.C. Dulles Intl
Fri 11/28
6:30 am-12:56 pm
1 stop31h 26m
San JoséBaltimore
SJO - BWI
SJOBWI
San José Juan Santamaria Intl
Wed 3/18
5:30 am-4:09 pm
1 stop8h 39m
Baltimore/Washington
Wed 3/25
6:00 am-9:32 pm
1 stop17h 32m
San JoséBaltimore
SJO - BWI
SJOBWI
San José Juan Santamaria Intl
Thu 3/5
8:45 am-10:29 pm
1 stop12h 44m
Baltimore/Washington
Mon 3/9
12:44 pm-7:39 pm
1 stop8h 55m
San JoséBaltimore
SJO - BWI
SJOBWI
San José Juan Santamaria Intl
Wed 3/4
11:28 pm-1:56 pm
2 stops13h 28m
Baltimore/Washington
Mon 3/9
6:30 am-7:39 pm
2 stops15h 09m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Tue 11/25
2:20 pm-11:44 pm
1 stop8h 24m
Washington, D.C. Reagan-National
Fri 12/5
5:00 pm-12:56 pm
1 stop20h 56m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Thu 12/4
8:45 am-8:56 pm
1 stop11h 11m
Washington, D.C. Reagan-National
Tue 12/9
7:00 am-8:32 am
1 stop26h 32m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Thu 3/5
12:35 pm-10:05 pm
1 stop8h 30m
Washington, D.C. Reagan-National
Sun 3/8
7:00 am-7:32 am
1 stop26h 32m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Sun 11/23
12:35 pm-10:09 pm
1 stop8h 34m
Washington, D.C. Reagan-National
Fri 12/5
5:00 pm-12:56 pm
1 stop20h 56m
| 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 |
The best time to book flights from San José to Washington, D.C. is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, July is the cheapest month in which you can book a flight from San José to Washington, D.C. (average of $139). Flying from San José to Washington, D.C. in September is currently the most expensive (average of $220). 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.
It’s optimal to fly from San José to Washington, D.C. in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their San José to Washington, D.C. flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Overall
Crew
Comfort
Entertainment
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$329 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$194 | Average$266 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$376 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$363 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$234 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$467 | FlexibilityNo cancel fee | On-time63% |