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 | $199 (Cheapflightsfares) |
One-way from | $106 (Cheapflightsfares) |
Popular in | April |
Cheapest in | October |
Average price | $328 |
Good round-trip deal | $216 or less |
Good one-way deal | $116 or less |
Fly from
Fly to
Route
Depart
Return
Price
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 12/18
8:45 am-10:59 pm
1 stop13h 14m
Washington, D.C. Dulles Intl
Thu 2/19
6:03 am-8:39 pm
1 stop15h 36m
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 12/18
8:45 am-10:19 pm
1 stop12h 34m
Washington, D.C. Dulles Intl
Tue 2/17
6:03 am-1:15 pm
1 stop8h 12m
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 12/25
6:30 am-10:19 pm
1 stop14h 49m
Washington, D.C. Dulles Intl
Thu 1/8
10:28 pm-12:56 pm
1 stop15h 28m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Sun 2/1
2:05 pm-2:16 pm
1 stop23h 11m
Washington, D.C. Reagan-National
Fri 2/6
6:00 am-1:15 pm
1 stop8h 15m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Wed 1/21
8:45 am-11:29 am
1 stop25h 44m
Washington, D.C. Reagan-National
Sun 1/25
8:25 am-12:56 pm
1 stop29h 31m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Mon 2/2
2:05 pm-10:36 pm
1 stop31h 31m
Washington, D.C. Reagan-National
Thu 2/5
8:15 am-6:16 pm
1 stop11h 01m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Wed 1/21
8:45 am-8:56 pm
1 stop11h 11m
Washington, D.C. Reagan-National
Mon 1/26
11:10 am-7:53 pm
1 stop9h 43m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Wed 2/11
6:30 am-8:56 pm
1 stop13h 26m
Washington, D.C. Reagan-National
Sun 2/15
7:59 pm-1:15 pm
1 stop18h 16m
San JoséWashington, D.C.
SJO - DCA
SJODCA
San José Juan Santamaria Intl
Wed 2/11
8:45 am-8:56 pm
1 stop11h 11m
Washington, D.C. Reagan-National
Wed 2/18
8:00 pm-12:56 pm
1 stop17h 56m
San JoséWashington, D.C.
SJO - IAD
SJOIAD
San José Juan Santamaria Intl
Thu 12/18
8:45 am-10:59 pm
1 stop13h 14m
Washington, D.C. Dulles Intl
Sat 2/21
6:20 am-8:32 am
1 stop27h 12m
| 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 38 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 $140). 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.
About 16% of weekly flights between San José and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Avianca have had the lowest number of delays on this route, with just 14% of flights being delayed.
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Crew
Overall
Food
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$324 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$205 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$343 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$340 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$234 | Average$308 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$464 | FlexibilityNo cancel fee | On-time63% |