
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $352 (Avianca) |
One-way from | $218 (United Airlines) |
Popular in | August |
Cheapest in | February |
Average price | $363 |
Good round-trip deal | $395 or less |
Good one-way deal | $369 or less |
Fly from
Fly to
Route
Depart
Return
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Sun 12/20
2:15 pm-7:59 pm
Nonstop4h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Mon 12/21
2:15 pm-7:59 pm
Nonstop4h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Wed 12/23
2:15 pm-7:59 pm
Nonstop4h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Tue 11/10
2:37 pm-12:41 am
1 stop9h 04m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - DCA Washington, D.C. Reagan-National
SJODCA
San José Juan Santamaria Intl
Tue 11/10
7:00 am-6:25 pm
1 stop10h 25m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Tue 12/8
1:55 pm-9:13 pm
1 stop30h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Wed 11/25
9:40 am-5:35 am
1 stop18h 55m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Fri 11/6
1:55 pm-11:28 am
1 stop20h 33m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Mon 11/23
2:25 pm-11:28 am
1 stop20h 03m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
San JoséWashington, D.C.
SJO San José Juan Santamaria Intl - IAD Washington, D.C. Dulles Intl
SJOIAD
San José Juan Santamaria Intl
Thu 11/5
11:28 pm-10:25 pm
1 stop21h 57m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Everything you need to know about your flight from San José to Washington, D.C.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Find useful and relevant information for your journey from San José to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$201 | Average$361 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$294 | Average$407 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$304 | Average$549 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$686 | FlexibilityNo cancel fee | On-time63% |