
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $198 (Cheapflightsfares) |
One-way from | $75 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $382 |
Good round-trip deal | $297 or less |
Good one-way deal | $164 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Fri 11/14
6:16 pm-11:25 am
1 stop18h 09m
San José Juan Santamaria Intl
Sun 11/23
12:35 pm-10:41 pm
1 stop9h 06m
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 11/15
6:15 am-7:53 pm
2 stops14h 38m
San José Juan Santamaria Intl
Sat 11/22
12:35 pm-10:41 pm
1 stop9h 06m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Wed 1/7
5:18 pm-1:10 pm
2 stops20h 52m
Liberia
Mon 1/12
8:35 am-10:25 pm
1 stop12h 50m
Washington, D.C.Liberia
DCA - LIR
DCALIR
Washington, D.C. Reagan-National
Fri 1/23
6:00 am-6:37 pm
1 stop13h 37m
Liberia
Sun 1/25
8:35 am-8:56 pm
1 stop11h 21m
Washington, D.C.Liberia
DCA - LIR
DCALIR
Washington, D.C. Reagan-National
Mon 12/1
7:59 pm-1:10 pm
1 stop18h 11m
Liberia
Mon 12/8
8:35 am-10:04 pm
1 stop12h 29m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Fri 1/9
8:00 am-6:37 pm
1 stop11h 37m
Liberia
Mon 1/12
2:01 pm-2:11 pm
1 stop23h 10m
Washington, D.C.San José
DCA - SJO
DCASJO
Washington, D.C. Reagan-National
Mon 2/2
9:45 am-4:24 pm
1 stop7h 39m
San José Juan Santamaria Intl
Wed 2/11
1:45 pm-10:31 pm
1 stop7h 46m
Washington, D.C.San José
DCA - SJO
DCASJO
Washington, D.C. Reagan-National
Fri 12/26
9:49 am-4:26 pm
1 stop7h 37m
San José Juan Santamaria Intl
Sat 12/27
10:00 am-10:46 pm
1 stop11h 46m
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Tue 1/6
8:00 am-6:37 pm
1 stop11h 37m
Liberia
Fri 1/16
8:35 am-4:06 pm
1 stop30h 31m
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sun 11/9
6:00 am-8:39 pm
1 stop15h 39m
San José Juan Santamaria Intl
Wed 11/12
12:35 pm-10:41 pm
1 stop9h 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 November is currently the most expensive (average of $258). 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 25% 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
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Overall
Comfort
Entertainment
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$393 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$506 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$426 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$378 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$252 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$636 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$411 | FlexibilityNo cancel fee | On-time65% |