
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $236 (United Airlines) |
One-way from | $89 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $618 |
Good round-trip deal | $333 or less |
Good one-way deal | $121 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Tue 2/3
5:18 pm-1:15 pm
2 stops20h 57m
San José Juan Santamaria Intl
Tue 2/10
6:30 am-4:06 pm
1 stop8h 36m
Washington, D.C.San José
DCA - SJO
DCASJO
Washington, D.C. Reagan-National
Mon 1/19
11:00 am-6:16 pm
1 stop8h 16m
San José Juan Santamaria Intl
Mon 1/26
6:30 am-6:41 pm
1 stop11h 11m
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Thu 1/22
10:05 am-8:39 pm
2 stops11h 34m
San José Juan Santamaria Intl
Thu 1/29
6:30 am-4:06 pm
1 stop8h 36m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Sun 1/18
5:18 pm-1:10 pm
2 stops20h 52m
Liberia
Thu 1/22
8:35 am-10:25 pm
1 stop12h 50m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Thu 1/29
8:07 am-6:37 pm
1 stop11h 30m
Liberia
Mon 2/2
8:35 am-10:25 pm
1 stop12h 50m
Washington, D.C.Liberia
DCA - LIR
DCALIR
Washington, D.C. Reagan-National
Tue 2/3
7:59 pm-1:10 pm
1 stop18h 11m
Liberia
Tue 2/10
8:35 am-6:41 pm
1 stop9h 06m
Washington, D.C.Liberia
DCA - LIR
DCALIR
Washington, D.C. Reagan-National
Mon 2/2
6:00 am-1:10 pm
1 stop8h 10m
Liberia
Fri 2/6
2:01 pm-9:58 am
1 stop18h 57m
Washington, D.C.Liberia
DCA - LIR
DCALIR
Washington, D.C. Reagan-National
Mon 1/26
7:59 pm-1:10 pm
1 stop18h 11m
Liberia
Thu 1/29
8:35 am-8:56 pm
1 stop11h 21m
Washington, D.C.Liberia
IAD - LIR
IADLIR
Washington, D.C. Dulles Intl
Mon 3/16
5:00 am-11:37 am
1 stop8h 37m
Liberia
Fri 3/20
12:21 pm-1:32 pm
2 stops23h 11m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Sun 1/18
6:07 am-2:20 pm
1 stop9h 13m
Liberia
Sun 1/25
3:13 pm-9:19 am
1 stop17h 06m
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Costa Rica (average of $152). Flying from Washington, D.C. to Costa Rica in January is currently the most expensive (average of $242). 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.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Costa Rica at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Washington, D.C. to Costa Rica flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$487 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$293 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$501 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$491 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$400 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$244 | Average$442 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$371 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$256 | Average$630 | FlexibilityNo cancel fee | On-time63% |