$126+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SJO
Apr 16 — Apr 231
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 March 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 5/98:20 am
BWI
- LIR
Nonstop4h 40m
Southwest
Sat 5/1612:00 pm
LIR
- BWI
Nonstop4h 40m
Southwest
Deal found 3/14![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 3/15. 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 5/98:40 am
BWI
- SJO
Nonstop4h 45m
Southwest
Wed 5/139:00 am
SJO
- BWI
1 stop8h 00m
Southwest
Deal found 3/15![Southwest logo]()
$315
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/47:22 pm
BWI
- LIR
1 stop18h 05m
American Airlines
Wed 4/2212:27 pm
LIR
- BWI
1 stop9h 22m
American Airlines
Deal found 3/12![American Airlines logo]()
$316
This Copa Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 4/174:49 pm
BWI
- SJO
1 stop6h 57m
Copa Airlines
Sat 4/254:09 am
SJO
- BWI
1 stop9h 08m
Copa Airlines
Deal found 3/14![Copa Airlines logo]()
$316
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:30 am
BWI
- SJO
1 stop8h 03m
Spirit Airlines
Fri 5/812:38 pm
SJO
- BWI
1 stop18h 37m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 5/46:12 am
BWI
- SJO
1 stop7h 13m
American Airlines
Fri 5/86:30 am
SJO
- BWI
1 stop10h 16m
American Airlines
Deal found 3/15![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 4/287:40 am
BWI
- SJO
1 stop6h 30m
Southwest
Tue 5/59:00 am
SJO
- BWI
1 stop8h 00m
Southwest
Deal found 3/14![Southwest logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/17. 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 11/148:21 pm
BWI
- SJO
1 stop17h 01m
American Airlines
Sat 11/211:09 pm
SJO
- BWI
1 stop9h 50m
American Airlines
Deal found 3/17![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 5/48:14 pm
BWI
- LIR
2 stops19h 26m
American Airlines
Sat 5/912:30 pm
LIR
- BWI
2 stops20h 41m
American Airlines
Deal found 3/13![American Airlines logo]()
$321
This Copa Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:49 pm
BWI
- SJO
1 stop16h 19m
Copa Airlines
Fri 4/175:46 am
SJO
- BWI
1 stop7h 31m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/13. 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 6/28:10 pm
BWI
- LIR
2 stops19h 08m
American Airlines
Thu 6/42:45 pm
LIR
- BWI
2 stops20h 20m
American Airlines
Deal found 3/13![American Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:49 pm
BWI
- SJO
1 stop6h 57m
Copa Airlines
Sun 4/266:19 pm
SJO
- BWI
1 stop18h 58m
Copa Airlines
Deal found 3/15![Copa Airlines logo]()
$322
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 March 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 March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 5/68:30 pm
BWI
- LIR
2 stops19h 55m
United Airlines
Wed 5/131:20 pm
LIR
- BWI
2 stops18h 42m
United Airlines
Deal found 3/16![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 5/98:40 am
BWI
- SJO
Nonstop4h 45m
Southwest
Tue 5/199:00 am
SJO
- BWI
2 stops9h 05m
Southwest
Deal found 3/16![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
BWI
- LIR
1 stop8h 50m
Delta
Wed 4/12:05 pm
LIR
- BWI
1 stop17h 34m
Delta
Deal found 3/14![Delta logo]()
$540
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 4/56:55 pm
BWI
- LIR
2 stops19h 15m
United Airlines
Fri 4/243:27 pm
LIR
- BWI
2 stops16h 12m
United Airlines
Deal found 3/12![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 4/306:15 am
BWI
- SJO
2 stops15h 22m
United Airlines
Thu 5/71:25 pm
SJO
- BWI
2 stops18h 37m
United Airlines
Deal found 3/16![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/16. 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.
Fri 5/110:20 am
BWI
- SJO
1 stop10h 40m
Southwest
Tue 5/59:00 am
SJO
- BWI
1 stop8h 00m
Southwest
Deal found 3/16![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 5/168:40 am
BWI
- SJO
Nonstop4h 45m
Southwest
Mon 5/259:00 am
SJO
- BWI
2 stops13h 25m
Southwest
Deal found 3/16![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/187:05 pm
BWI
- LIR
1 stop18h 48m
United Airlines
Sat 4/253:27 pm
LIR
- BWI
2 stops16h 12m
United Airlines
Deal found 3/12![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
BWI
- LIR
1 stop7h 50m
Delta
Wed 4/12:05 pm
LIR
- BWI
1 stop17h 34m
Delta
Deal found 3/14![Delta logo]()
$540
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 5/129:25 am
BWI
- SJO
2 stops11h 35m
Southwest
Tue 5/199:00 am
SJO
- BWI
2 stops9h 05m
Southwest
Deal found 3/12![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/136:55 pm
BWI
- LIR
2 stops19h 15m
United Airlines
Mon 4/203:27 pm
LIR
- BWI
2 stops16h 12m
United Airlines
Deal found 3/14![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/2811:08 am
BWI
- LIR
2 stops27h 02m
United Airlines
Thu 4/303:27 pm
LIR
- BWI
1 stop18h 09m
United Airlines
Deal found 3/15![United Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 3/12. 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.
Fri 5/157:10 am
BWI
- SJO
1 stop7h 00m
Southwest
Sun 5/249:00 am
SJO
- BWI
2 stops12h 45m
Southwest
Deal found 3/12![Southwest logo]()
$529
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 6/146:00 am
BWI
- LIR
1 stop10h 25m
United Airlines
Sat 6/2011:10 am
LIR
- BWI
2 stops20h 07m
United Airlines
Deal found 3/12![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 3/15. 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.
Tue 4/149:25 am
BWI
- SJO
2 stops11h 35m
Southwest
Sat 4/181:35 pm
SJO
- BWI
2 stops16h 25m
Southwest
Deal found 3/15![Southwest logo]()
$554
This United Airlines deal was found by Cheapflights users on 3/15. 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 5/148:30 pm
BWI
- LIR
2 stops17h 40m
United Airlines
Tue 5/191:20 pm
LIR
- BWI
2 stops22h 53m
United Airlines
Deal found 3/15![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 6/43:03 pm
BWI
- SJO
1 stop9h 36m
United Airlines
Sun 6/712:30 am
SJO
- BWI
2 stops15h 03m
United Airlines
Deal found 3/12![United Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/226:00 am
BWI
- SJO
2 stops16h 19m
United Airlines
Sun 4/2611:13 am
SJO
- BWI
2 stops20h 26m
United Airlines
Deal found 3/14![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/15:50 pm
BWI
- LIR
1 stop20h 20m
United Airlines
Tue 4/71:20 pm
LIR
- BWI
2 stops18h 19m
United Airlines
Deal found 3/17![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 4/2511:08 am
BWI
- LIR
2 stops27h 02m
United Airlines
Sun 5/33:27 pm
LIR
- BWI
2 stops16h 35m
United Airlines
Deal found 3/15![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/206:15 am
BWI
- SJO
2 stops39h 22m
United Airlines
Sun 5/2412:30 am
SJO
- BWI
2 stops22h 03m
United Airlines
Deal found 3/13![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/117:05 pm
BWI
- SJO
2 stops19h 16m
United Airlines
Thu 5/147:55 am
SJO
- BWI
1 stop12h 49m
United Airlines
Deal found 3/13![United Airlines logo]()
$562
Last-minute flights from Baltimore to Costa RicaDiscover last-minute flight deals from Baltimore to Costa Rica. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Costa Rica. Data last updated March 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/47:22 pm
BWI
- LIR
1 stop18h 05m
American Airlines
Wed 4/2212:27 pm
LIR
- BWI
1 stop9h 22m
American Airlines
Deal found 3/12![American Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:49 pm
BWI
- SJO
1 stop16h 19m
Copa Airlines
Tue 4/146:19 pm
SJO
- BWI
1 stop18h 58m
Copa Airlines
Deal found 3/12![Copa Airlines logo]()
$327
This Copa Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 4/134:49 pm
BWI
- SJO
1 stop16h 19m
Copa Airlines
Fri 4/175:46 am
SJO
- BWI
1 stop7h 31m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$321
This Copa Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 4/174:49 pm
BWI
- SJO
1 stop18h 16m
Copa Airlines
Sat 4/255:46 am
SJO
- BWI
1 stop7h 31m
Copa Airlines
Deal found 3/17![Copa Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:49 pm
BWI
- SJO
1 stop6h 57m
Copa Airlines
Sun 4/266:19 pm
SJO
- BWI
1 stop18h 58m
Copa Airlines
Deal found 3/15![Copa Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:49 pm
BWI
- SJO
1 stop16h 19m
Copa Airlines
Sat 4/255:46 am
SJO
- BWI
1 stop7h 31m
Copa Airlines
Deal found 3/15![Copa Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/225:05 am
BWI
- LIR
1 stop8h 23m
American Airlines
Wed 4/2912:27 pm
LIR
- BWI
1 stop9h 22m
American Airlines
Deal found 3/15![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/225:05 am
BWI
- LIR
2 stops10h 05m
American Airlines
Fri 5/12:40 pm
LIR
- BWI
2 stops16h 12m
American Airlines
Deal found 3/15![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/276:12 am
BWI
- LIR
1 stop7h 16m
American Airlines
Thu 4/302:40 pm
LIR
- BWI
1 stop18h 11m
American Airlines
Deal found 3/12![American Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 4/287:40 am
BWI
- SJO
1 stop6h 30m
Southwest
Tue 5/59:00 am
SJO
- BWI
1 stop8h 00m
Southwest
Deal found 3/14![Southwest logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/287:52 pm
BWI
- SJO
2 stops17h 33m
American Airlines
Tue 5/52:08 pm
SJO
- BWI
2 stops19h 03m
American Airlines
Deal found 3/14![American Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:49 pm
BWI
- SJO
1 stop6h 57m
Copa Airlines
Fri 5/84:10 am
SJO
- BWI
1 stop9h 07m
Copa Airlines
Deal found 3/16![Copa Airlines logo]()
$325
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 March 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 March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:46 pm
BWI
- SJO
1 stop15h 47m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:02 pm
BWI
- SJO
1 stop19h 31m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$129
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:39 pm
BWI
- SJO
1 stop16h 03m
Spirit Airlines
Deal found 3/13![Spirit Airlines logo]()
$130
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 5/46:12 am
BWI
- SJO
1 stop7h 13m
American Airlines
Deal found 3/13![American Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:02 pm
BWI
- SJO
1 stop19h 31m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$141
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 3/316:00 am
BWI
- LIR
1 stop9h 27m
American Airlines
Deal found 3/15![American Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/105:05 am
BWI
- SJO
2 stops16h 02m
American Airlines
Deal found 3/17![American Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:40 pm
BWI
- SJO
2 stops17h 34m
Spirit Airlines
Deal found 3/12![Spirit Airlines logo]()
$145
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/76:38 pm
BWI
- SJO
2 stops18h 29m
American Airlines
Deal found 3/12![American Airlines logo]()
$146
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 5/168:40 am
BWI
- SJO
Nonstop4h 45m
Southwest
Deal found 3/14![Southwest logo]()
$147
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/117:52 pm
BWI
- LIR
2 stops17h 36m
American Airlines
Deal found 3/12![American Airlines logo]()
$148
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 4/85:50 pm
BWI
- SJO
1 stop18h 21m
United Airlines
Deal found 3/13![United Airlines logo]()
$148
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $302 (Southwest) |
One-way from | $126 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $457 |
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 March 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
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Wed 5/6
8:30 pm-2:25 pm
2 stops19h 55m
Liberia
Wed 5/13
1:20 pm-10:02 am
2 stops18h 42m
$355
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Sun 4/5
6:55 pm-12:10 pm
2 stops19h 15m
Liberia
Fri 4/24
3:27 pm-9:39 am
2 stops16h 12m
$374
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Thu 4/30
6:15 am-7:37 pm
2 stops15h 22m
San José Juan Santamaria Intl
Thu 5/7
1:25 pm-10:02 am
2 stops18h 37m
$377
Quickest round-trip
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 5/9
8:40 am-11:25 am
Nonstop4h 45m
San José Juan Santamaria Intl
Tue 5/19
9:00 am-8:05 pm
2 stops9h 05m
$393
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Sat 4/18
7:05 pm-11:53 am
1 stop18h 48m
Liberia
Sat 4/25
3:27 pm-9:39 am
2 stops16h 12m
$411
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Fri 5/1
10:20 am-7:00 pm
1 stop10h 40m
San José Juan Santamaria Intl
Tue 5/5
9:00 am-7:00 pm
1 stop8h 00m
$418
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Mon 4/13
6:55 pm-12:10 pm
2 stops19h 15m
Liberia
Mon 4/20
3:27 pm-9:39 am
2 stops16h 12m
$445
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Sat 5/16
8:40 am-11:25 am
Nonstop4h 45m
San José Juan Santamaria Intl
Mon 5/25
9:00 am-12:25 am
2 stops13h 25m
$446
BaltimoreSan José
BWI - SJO
BWISJO
Baltimore/Washington
Tue 5/12
9:25 am-7:00 pm
2 stops11h 35m
San José Juan Santamaria Intl
Tue 5/19
9:00 am-8:05 pm
2 stops9h 05m
$450
BaltimoreLiberia
BWI - LIR
BWILIR
Baltimore/Washington
Tue 4/28
11:08 am-12:10 pm
2 stops27h 02m
Liberia
Thu 4/30
3:27 pm-11:36 am
1 stop18h 09m
$465
Showing 1-10 of 42 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, August is the cheapest month in which you can book a flight from Baltimore to Costa Rica (average of $152). Flying from Baltimore to Costa Rica in June is currently the most expensive (average of $256). 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 March 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.
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 March 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
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Baltimore to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
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 March 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$474 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$379 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$225 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$240 | Average$485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$359 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$255 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$649 | FlexibilityNo cancel fee | On-time63% |