$122+ Cheap flights from Baltimore (BWI) to Costa Rica
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SJO
Jul 17 — Jul 241
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Costa Rica with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Baltimore to Costa RicaExplore the most affordable flight options available from Baltimore to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.
Explore the most affordable flight options available from Baltimore to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:05 am
BWI
- LIR
1 stop13h 32m
United Airlines
Fri 11/68:35 am
LIR
- BWI
1 stop12h 59m
United Airlines
Deal found 6/15![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:47 pm
BWI
- LIR
2 stops19h 38m
American Airlines
Sat 12/121:21 pm
LIR
- BWI
2 stops20h 37m
American Airlines
Deal found 6/11![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:18 pm
BWI
- LIR
2 stops18h 32m
American Airlines
Wed 12/91:25 pm
LIR
- BWI
2 stops20h 33m
American Airlines
Deal found 6/13![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:24 pm
BWI
- SJO
2 stops20h 28m
American Airlines
Tue 9/11:03 pm
SJO
- BWI
2 stops20h 06m
American Airlines
Deal found 6/11![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:18 pm
BWI
- LIR
1 stop17h 12m
American Airlines
Thu 7/163:40 pm
LIR
- BWI
1 stop25h 44m
American Airlines
Deal found 6/12![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:39 pm
BWI
- LIR
1 stop18h 43m
American Airlines
Wed 6/1712:35 pm
LIR
- BWI
1 stop9h 19m
American Airlines
Deal found 6/13![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:18 pm
BWI
- LIR
2 stops18h 32m
American Airlines
Tue 12/81:25 pm
LIR
- BWI
2 stops20h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:38 pm
BWI
- LIR
1 stop19h 15m
United Airlines
Thu 7/911:10 am
LIR
- BWI
1 stop9h 35m
United Airlines
Deal found 6/13![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
BWI
- LIR
1 stop7h 45m
Delta
Thu 11/52:00 pm
LIR
- BWI
1 stop9h 26m
Delta
Deal found 6/16![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am
BWI
- SJO
1 stop16h 15m
Delta
Thu 12/37:00 am
SJO
- BWI
1 stop7h 40m
Delta
Deal found 6/15![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:55 am
BWI
- SJO
1 stop13h 05m
Southwest
Sat 9/59:30 am
SJO
- BWI
1 stop8h 05m
Southwest
Deal found 6/15![Southwest logo]()
$357
This Copa Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:49 pm
BWI
- SJO
1 stop18h 15m
Copa Airlines
Sat 10/174:08 am
SJO
- BWI
1 stop9h 07m
Copa Airlines
Deal found 6/16![Copa Airlines logo]()
$359
Best flights from Baltimore to Costa RicaDiscover carefully curated flight deals from Baltimore to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 17, 2026.
Discover carefully curated flight deals from Baltimore to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 17, 2026.
This Copa Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:41 pm
BWI
- SJO
1 stop16h 29m
Copa Airlines
Sat 9/265:45 am
SJO
- BWI
1 stop7h 30m
Copa Airlines
Deal found 6/14![Copa Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 am
BWI
- SJO
2 stops10h 40m
Southwest
Mon 9/219:00 am
SJO
- BWI
1 stop9h 15m
Southwest
Deal found 6/12![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:04 pm
BWI
- LIR
1 stop23h 06m
United Airlines
Tue 9/151:20 pm
LIR
- BWI
1 stop25h 08m
United Airlines
Deal found 6/14![United Airlines logo]()
$461
This JetBlue deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:09 am
BWI
- SJO
1 stop8h 50m
JetBlue
Tue 11/33:05 pm
SJO
- BWI
1 stop7h 22m
JetBlue
Deal found 6/16![JetBlue logo]()
$508
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am
BWI
- LIR
1 stop7h 40m
Delta
Wed 12/92:05 pm
LIR
- BWI
1 stop9h 21m
Delta
Deal found 6/11![Delta logo]()
$575
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:55 am
BWI
- SJO
1 stop13h 05m
Southwest
Sat 10/312:15 pm
SJO
- BWI
1 stop15h 25m
Southwest
Deal found 6/15![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:15 am
BWI
- SJO
2 stops11h 45m
Southwest
Sat 9/59:30 am
SJO
- BWI
1 stop8h 05m
Southwest
Deal found 6/15![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:05 am
BWI
- SJO
1 stop8h 10m
United Airlines
Sat 11/712:35 pm
SJO
- BWI
1 stop8h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:11 pm
BWI
- LIR
2 stops19h 33m
United Airlines
Sat 11/218:35 am
LIR
- BWI
1 stop12h 59m
United Airlines
Deal found 6/12![United Airlines logo]()
$487
This JetBlue deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:09 am
BWI
- LIR
1 stop8h 52m
JetBlue
Tue 7/212:06 pm
LIR
- BWI
1 stop7h 21m
JetBlue
Deal found 6/14![JetBlue logo]()
$558
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 pm
BWI
- SJO
2 stops17h 05m
Southwest
Thu 10/221:30 pm
SJO
- BWI
1 stop9h 20m
Southwest
Deal found 6/16![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 am
BWI
- LIR
1 stop10h 25m
United Airlines
Wed 7/811:10 am
LIR
- BWI
2 stops20h 17m
United Airlines
Deal found 6/14![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:11 pm
BWI
- LIR
2 stops20h 59m
United Airlines
Wed 11/182:20 pm
LIR
- BWI
1 stop20h 00m
United Airlines
Deal found 6/13![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:25 pm
BWI
- SJO
1 stop9h 14m
United Airlines
Sat 11/148:45 am
SJO
- BWI
2 stops11h 12m
United Airlines
Deal found 6/16![United Airlines logo]()
$545
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:15 pm
BWI
- SJO
2 stops17h 05m
Southwest
Fri 12/259:00 am
SJO
- BWI
1 stop7h 40m
Southwest
Deal found 6/12![Southwest logo]()
$622
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:38 pm
BWI
- LIR
2 stops19h 32m
United Airlines
Thu 7/23:27 pm
LIR
- BWI
2 stops20h 30m
United Airlines
Deal found 6/15![United Airlines logo]()
$546
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/44:40 pm
BWI
- SJO
Nonstop4h 35m
Southwest
Sat 7/118:45 am
SJO
- BWI
1 stop13h 25m
Southwest
Deal found 6/15![Southwest logo]()
$635
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:55 pm
BWI
- LIR
1 stop22h 55m
United Airlines
Tue 7/73:27 pm
LIR
- BWI
2 stops20h 30m
United Airlines
Deal found 6/15![United Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:32 am
BWI
- LIR
2 stops25h 18m
United Airlines
Mon 7/131:20 pm
LIR
- BWI
2 stops18h 07m
United Airlines
Deal found 6/14![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:15 am
BWI
- LIR
2 stops29h 35m
United Airlines
Fri 7/314:30 pm
LIR
- BWI
2 stops29h 58m
United Airlines
Deal found 6/12![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:38 pm
BWI
- LIR
2 stops19h 32m
United Airlines
Wed 7/13:27 pm
LIR
- BWI
2 stops20h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:55 pm
BWI
- LIR
1 stop22h 55m
United Airlines
Mon 7/274:30 pm
LIR
- BWI
2 stops23h 06m
United Airlines
Deal found 6/12![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:03 pm
BWI
- SJO
1 stop21h 08m
United Airlines
Sun 8/912:30 am
SJO
- BWI
2 stops31h 39m
United Airlines
Deal found 6/15![United Airlines logo]()
$660
Last-minute flights from Baltimore to Costa RicaDiscover last-minute flight deals from Baltimore to Costa Rica. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Costa Rica. Data last updated June 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:01 am
BWI
- LIR
1 stop9h 17m
American Airlines
Thu 6/1812:35 pm
LIR
- BWI
1 stop9h 19m
American Airlines
Deal found 6/13![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:11 pm
BWI
- LIR
2 stops17h 11m
American Airlines
Mon 6/2212:35 pm
LIR
- BWI
2 stops22h 28m
American Airlines
Deal found 6/12![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:02 am
BWI
- SJO
2 stops40h 21m
American Airlines
Sun 6/2111:59 pm
SJO
- BWI
2 stops39h 47m
American Airlines
Deal found 6/16![American Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:11 pm
BWI
- LIR
2 stops19h 07m
American Airlines
Fri 6/262:45 pm
LIR
- BWI
2 stops16h 17m
American Airlines
Deal found 6/15![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:03 pm
BWI
- SJO
1 stop9h 36m
United Airlines
Fri 6/267:55 am
SJO
- BWI
1 stop12h 50m
United Airlines
Deal found 6/14![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:38 pm
BWI
- LIR
1 stop19h 15m
United Airlines
Thu 7/911:10 am
LIR
- BWI
1 stop9h 35m
United Airlines
Deal found 6/13![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:18 pm
BWI
- LIR
2 stops19h 09m
American Airlines
Thu 7/92:47 pm
LIR
- BWI
2 stops20h 16m
American Airlines
Deal found 6/14![American Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:13 pm
BWI
- LIR
2 stops19h 02m
American Airlines
Wed 7/1512:35 pm
LIR
- BWI
2 stops19h 23m
American Airlines
Deal found 6/12![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:18 pm
BWI
- LIR
1 stop17h 12m
American Airlines
Thu 7/163:40 pm
LIR
- BWI
1 stop25h 44m
American Airlines
Deal found 6/12![American Airlines logo]()
$328
This Copa Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:52 pm
BWI
- SJO
1 stop16h 34m
Copa Airlines
Thu 7/305:55 pm
SJO
- BWI
1 stop19h 22m
Copa Airlines
Deal found 6/12![Copa Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:18 pm
BWI
- SJO
2 stops18h 53m
American Airlines
Mon 8/33:37 pm
SJO
- BWI
2 stops19h 26m
American Airlines
Deal found 6/12![American Airlines logo]()
$425
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:28 pm
BWI
- SJO
1 stop12h 52m
Frontier
Thu 8/69:35 am
SJO
- BWI
1 stop8h 58m
Frontier
Deal found 6/13![Frontier logo]()
$478
One-way flights from Baltimore to Costa RicaSearch for one-way flight options from Baltimore to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
Search for one-way flight options from Baltimore to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:11 pm
BWI
- LIR
2 stops19h 33m
United Airlines
Deal found 6/11![United Airlines logo]()
$122
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:28 pm
BWI
- LIR
2 stops20h 59m
American Airlines
Deal found 6/11![American Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
BWI
- LIR
1 stop8h 00m
Delta
Deal found 6/11![Delta logo]()
$137
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:16 pm
BWI
- LIR
1 stop17h 14m
American Airlines
Deal found 6/12![American Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
BWI
- LIR
1 stop8h 00m
Delta
Deal found 6/12![Delta logo]()
$148
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
BWI
- LIR
1 stop9h 18m
American Airlines
Deal found 6/12![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:16 pm
BWI
- LIR
2 stops18h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:20 pm
BWI
- LIR
2 stops19h 27m
American Airlines
Deal found 6/16![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:18 pm
BWI
- LIR
2 stops17h 07m
American Airlines
Deal found 6/11![American Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:15 pm
BWI
- SJO
1 stop8h 25m
Southwest
Deal found 6/14![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:04 pm
BWI
- LIR
1 stop23h 06m
United Airlines
Deal found 6/15![United Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:24 pm
BWI
- SJO
2 stops20h 28m
American Airlines
Deal found 6/16![American Airlines logo]()
$159
Find flight deals from Baltimore to Costa Rica
Keep the following information in mind while searching for Baltimore to Costa Rica flight deals. Data was last updated June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (United Airlines) |
One-way from | $122 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $437 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 17, 2026.
Use the filters below to find and compare flights from Baltimore to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 9/19
4:41 pm-7:10 am
1 stop16h 29m
San José Juan Santamaria Intl
Sat 9/26
5:45 am-3:15 pm
1 stop7h 30m
$372
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Mon 8/10
10:00 am-6:40 pm
2 stops10h 40m
San José Juan Santamaria Intl
Mon 9/21
9:00 am-8:15 pm
1 stop9h 15m
$389
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 9/19
6:55 am-6:00 pm
1 stop13h 05m
San José Juan Santamaria Intl
Sat 10/3
12:15 pm-5:40 am
1 stop15h 25m
$421
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 8/29
8:15 am-6:00 pm
2 stops11h 45m
San José Juan Santamaria Intl
Sat 9/5
9:30 am-7:35 pm
1 stop8h 05m
$425
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Tue 8/25
3:04 pm-12:10 pm
1 stop23h 06m
Liberia
Tue 9/15
1:20 pm-4:28 pm
1 stop25h 08m
$461
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Thu 10/15
8:55 pm-12:00 pm
2 stops17h 05m
San José Juan Santamaria Intl
Thu 10/22
1:30 pm-12:50 am
1 stop9h 20m
$467
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Fri 10/30
6:05 am-12:15 pm
1 stop8h 10m
San José Juan Santamaria Intl
Sat 11/7
12:35 pm-10:34 pm
1 stop8h 59m
$476
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Sat 11/14
5:11 pm-11:44 am
2 stops19h 33m
Liberia
Sat 11/21
8:35 am-10:34 pm
1 stop12h 59m
$487
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Mon 7/6
6:00 am-2:25 pm
1 stop10h 25m
Liberia
Wed 7/8
11:10 am-9:27 am
2 stops20h 17m
$506
Quickest round-trip
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Mon 10/26
6:09 am-12:59 pm
1 stop8h 50m
San José Juan Santamaria Intl
Tue 11/3
3:05 pm-11:27 pm
1 stop7h 22m
$508
Showing 1-10 of 44 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Baltimore with our price prediction graph.
BWI-LIR
BWI-SJO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Costa Rica
BWI-CR0
BWI-LIR
BWI-SJO
What is the cheapest month to book a flight from Baltimore to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Baltimore to Costa Rica (average of $102). Flying from Baltimore to Costa Rica in May is currently the most expensive (average of $281). 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.
What is the cheapest time of day to fly from BWI to CR?
Find hourly flight availability from Baltimore to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Costa Rica as you normally would.
How far ahead should I book a flight from Baltimore to Costa Rica?
The best time to book flights from Baltimore to Costa Rica is 29 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.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated June 17, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andCopa Airlines from Baltimore to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Costa Rica by cabin class
Find flights from Baltimore to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Costa Rica flights
Browse other Baltimore and Costa Rica flight options. Last updated on June 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Baltimore to Costa Rica
Discover the top 7 airlines that operate flights from Baltimore to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$225 | Average$347 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$507 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$687 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$260 | Average$395 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$264 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$481 | FlexibilityNo cancel fee | On-time62% |