$129+ Cheap flights from Denver (DEN) 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJO
May 23 — May 301
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Costa Rica with Cheapflights
1. Tell us where you want to go
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 Denver to Costa RicaExplore the most affordable flight options available from Denver to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
Explore the most affordable flight options available from Denver to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
This Frontier deal was found by Cheapflights users on 4/20. 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 7/811:49 pm
DEN
- SJO
1 stop8h 31m
Frontier
Fri 7/109:35 am
SJO
- DEN
2 stops14h 54m
Frontier
Deal found 4/20![Frontier logo]()
$391
This Frontier deal was found by Cheapflights users on 4/20. 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 5/279:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Sun 5/319:35 am
SJO
- DEN
2 stops14h 56m
Frontier
Deal found 4/20![Frontier logo]()
$393
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:01 pm
DEN
- SJO
2 stops13h 18m
Frontier
Fri 6/59:35 am
SJO
- DEN
1 stop13h 36m
Frontier
Deal found 4/21![Frontier logo]()
$396
This Frontier deal was found by Cheapflights users on 4/19. 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.
Sat 6/611:56 pm
DEN
- SJO
1 stop8h 23m
Frontier
Thu 6/189:35 am
SJO
- DEN
1 stop13h 29m
Frontier
Deal found 4/19![Frontier logo]()
$398
This Frontier deal was found by Cheapflights users on 4/23. 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 6/1010:09 am
DEN
- SJO
2 stops22h 11m
Frontier
Thu 6/189:35 am
SJO
- DEN
1 stop13h 29m
Frontier
Deal found 4/23![Frontier logo]()
$399
This Frontier deal was found by Cheapflights users on 4/22. 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 5/209:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Sun 5/249:35 am
SJO
- DEN
2 stops14h 56m
Frontier
Deal found 4/22![Frontier logo]()
$401
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:56 pm
DEN
- SJO
1 stop8h 23m
Frontier
Thu 6/49:35 am
SJO
- DEN
1 stop22h 49m
Frontier
Deal found 4/20![Frontier logo]()
$402
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:46 am
DEN
- SJO
1 stop21h 34m
Frontier
Sat 7/119:35 am
SJO
- DEN
1 stop22h 45m
Frontier
Deal found 4/20![Frontier logo]()
$403
This Frontier deal was found by Cheapflights users on 4/19. 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 5/209:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Mon 6/19:35 am
SJO
- DEN
1 stop13h 36m
Frontier
Deal found 4/19![Frontier logo]()
$404
This FlightHub deal was found by Cheapflights users on 4/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:15 am
DEN
- SJO
1 stop23h 05m
Frontier
Sun 7/199:35 am
SJO
- DEN
1 stop22h 45m
Frontier
Deal found 4/18![Frontier logo]()
$408
This Air Canada deal was found by Cheapflights users on 4/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:10 pm
DEN
- LIR
1 stop17h 40m
Air Canada
Sat 7/181:00 pm
LIR
- DEN
1 stop21h 35m
Air Canada
Deal found 4/20![Air Canada logo]()
$556
This Air Canada deal was found by Cheapflights users on 4/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:05 pm
DEN
- LIR
2 stops17h 50m
Air Canada
Thu 10/291:40 pm
LIR
- DEN
2 stops28h 04m
Air Canada
Deal found 4/19![Air Canada logo]()
$563
Best flights from Denver to Costa RicaDiscover carefully curated flight deals from Denver to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from Denver to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Copa Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 5/710:51 pm
DEN
- SJO
1 stop9h 30m
Copa Airlines
Sat 5/165:50 am
SJO
- DEN
1 stop12h 35m
Copa Airlines
Deal found 4/22![Copa Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/31:30 pm
DEN
- SJO
1 stop9h 09m
United Airlines
Thu 6/2512:30 am
SJO
- DEN
1 stop8h 25m
United Airlines
Deal found 4/21![United Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 4/22. 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 6/210:50 am
DEN
- SJO
1 stop8h 10m
Southwest
Thu 6/41:40 pm
SJO
- DEN
1 stop10h 35m
Southwest
Deal found 4/22![Southwest logo]()
$531
This Copa Airlines deal was found by Cheapflights users on 4/23. 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 5/1110:51 pm
DEN
- SJO
1 stop11h 09m
Copa Airlines
Fri 5/154:10 am
SJO
- DEN
1 stop14h 15m
Copa Airlines
Deal found 4/23![Copa Airlines logo]()
$416
This Copa Airlines deal was found by Cheapflights users on 4/19. 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 10/1610:43 pm
DEN
- SJO
1 stop10h 21m
Copa Airlines
Thu 10/225:45 am
SJO
- DEN
1 stop12h 26m
Copa Airlines
Deal found 4/19![Copa Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/113:55 pm
DEN
- SJO
Nonstop5h 20m
United Airlines
Wed 7/1512:30 am
SJO
- DEN
1 stop8h 25m
United Airlines
Deal found 4/23![United Airlines logo]()
$530
This Copa Airlines deal was found by Cheapflights users on 4/18. 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 7/610:43 pm
DEN
- SJO
1 stop8h 29m
Copa Airlines
Thu 7/164:08 am
SJO
- DEN
1 stop14h 12m
Copa Airlines
Deal found 4/18![Copa Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/293:55 pm
DEN
- SJO
Nonstop5h 20m
United Airlines
Sat 6/66:40 am
SJO
- DEN
Nonstop5h 34m
United Airlines
Deal found 4/21![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/137:35 pm
DEN
- SJO
1 stop14h 36m
United Airlines
Sat 6/208:45 am
SJO
- DEN
1 stop16h 02m
United Airlines
Deal found 4/22![United Airlines logo]()
$548
This Copa Airlines deal was found by Cheapflights users on 4/18. 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.
Thu 6/2510:43 pm
DEN
- SJO
1 stop12h 23m
Copa Airlines
Thu 7/25:45 am
SJO
- DEN
1 stop12h 35m
Copa Airlines
Deal found 4/18![Copa Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 4/20. 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 6/138:40 pm
DEN
- LIR
2 stops14h 10m
Southwest
Sat 7/252:05 pm
LIR
- DEN
Nonstop5h 25m
Southwest
Deal found 4/20![Southwest logo]()
$693
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/269:10 pm
DEN
- SJO
1 stop15h 11m
United Airlines
Mon 6/88:45 am
SJO
- DEN
1 stop16h 02m
United Airlines
Deal found 4/20![United Airlines logo]()
$548
This Copa Airlines deal was found by Cheapflights users on 4/23. 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 10/910:43 pm
DEN
- SJO
1 stop11h 15m
Copa Airlines
Sat 10/174:08 am
SJO
- DEN
1 stop14h 03m
Copa Airlines
Deal found 4/23![Copa Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 4/18. 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 6/236:05 am
DEN
- LIR
1 stop7h 05m
Southwest
Tue 6/302:10 pm
LIR
- DEN
2 stops19h 10m
Southwest
Deal found 4/18![Southwest logo]()
$693
This United Airlines deal was found by Cheapflights users on 4/18. 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 7/510:08 am
DEN
- LIR
Nonstop5h 11m
United Airlines
Thu 7/91:20 pm
LIR
- DEN
1 stop10h 37m
United Airlines
Deal found 4/18![United Airlines logo]()
$582
This Southwest deal was found by Cheapflights users on 4/19. 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 6/138:40 pm
DEN
- LIR
2 stops14h 10m
Southwest
Mon 6/222:10 pm
LIR
- DEN
2 stops18h 15m
Southwest
Deal found 4/19![Southwest logo]()
$773
This United Airlines deal was found by Cheapflights users on 4/19. 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 6/1710:08 am
DEN
- LIR
Nonstop5h 11m
United Airlines
Mon 6/2211:49 am
LIR
- DEN
Nonstop5h 33m
United Airlines
Deal found 4/19![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 4/19. 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 6/137:35 pm
DEN
- LIR
1 stop14h 15m
United Airlines
Mon 6/223:27 pm
LIR
- DEN
1 stop8h 30m
United Airlines
Deal found 4/19![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/208:23 pm
DEN
- LIR
1 stop13h 27m
United Airlines
Wed 5/2711:10 am
LIR
- DEN
1 stop12h 47m
United Airlines
Deal found 4/21![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/18:28 pm
DEN
- LIR
1 stop17h 57m
United Airlines
Sun 6/74:05 pm
LIR
- DEN
1 stop16h 17m
United Airlines
Deal found 4/23![United Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/78:28 pm
DEN
- LIR
1 stop13h 22m
United Airlines
Sat 6/1311:10 am
LIR
- DEN
1 stop9h 04m
United Airlines
Deal found 4/21![United Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/1010:08 am
DEN
- LIR
Nonstop5h 11m
United Airlines
Thu 5/143:27 pm
LIR
- DEN
1 stop17h 06m
United Airlines
Deal found 4/20![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 4/18. 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 5/2110:08 am
DEN
- LIR
Nonstop5h 11m
United Airlines
Wed 5/2711:49 am
LIR
- DEN
Nonstop5h 33m
United Airlines
Deal found 4/18![United Airlines logo]()
$817
Last-minute flights from Denver to Costa RicaDiscover last-minute flight deals from Denver to Costa Rica. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Costa Rica. Data last updated April 23, 2026 and is based on user searches.
This Copa Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 5/710:51 pm
DEN
- SJO
1 stop11h 09m
Copa Airlines
Fri 5/154:10 am
SJO
- DEN
1 stop14h 15m
Copa Airlines
Deal found 4/20![Copa Airlines logo]()
$416
This Frontier deal was found by Cheapflights users on 4/22. 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 5/209:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Sun 5/249:35 am
SJO
- DEN
2 stops14h 56m
Frontier
Deal found 4/22![Frontier logo]()
$401
This Frontier deal was found by Cheapflights users on 4/19. 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 5/209:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Mon 6/19:35 am
SJO
- DEN
1 stop13h 36m
Frontier
Deal found 4/19![Frontier logo]()
$404
This Frontier deal was found by Cheapflights users on 4/20. 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 5/279:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Sun 5/319:35 am
SJO
- DEN
2 stops14h 56m
Frontier
Deal found 4/20![Frontier logo]()
$393
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:56 pm
DEN
- SJO
1 stop8h 23m
Frontier
Thu 6/49:35 am
SJO
- DEN
1 stop22h 49m
Frontier
Deal found 4/20![Frontier logo]()
$402
This Frontier deal was found by Cheapflights users on 4/20. 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 5/279:52 am
DEN
- SJO
2 stops22h 27m
Frontier
Thu 6/119:35 am
SJO
- DEN
2 stops14h 54m
Frontier
Deal found 4/20![Frontier logo]()
$410
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/2710:08 am
DEN
- LIR
Nonstop5h 11m
United Airlines
Thu 5/283:27 pm
LIR
- DEN
1 stop8h 30m
United Airlines
Deal found 4/19![United Airlines logo]()
$582
This Air Canada deal was found by Cheapflights users on 4/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:23 am
DEN
- LIR
2 stops24h 42m
Air Canada
Sat 6/61:00 pm
LIR
- DEN
2 stops21h 34m
Air Canada
Deal found 4/19![Air Canada logo]()
$573
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:01 pm
DEN
- SJO
2 stops13h 18m
Frontier
Fri 6/59:35 am
SJO
- DEN
1 stop13h 36m
Frontier
Deal found 4/21![Frontier logo]()
$396
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:01 pm
DEN
- SJO
2 stops13h 18m
Frontier
Thu 6/49:35 am
SJO
- DEN
1 stop13h 36m
Frontier
Deal found 4/21![Frontier logo]()
$411
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sat 5/307:01 pm
DEN
- SJO
2 stops13h 18m
Frontier
Mon 6/89:35 am
SJO
- DEN
2 stops14h 56m
Frontier
Deal found 4/21![Frontier logo]()
$412
This FlightHub deal was found by Cheapflights users on 4/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:05 am
DEN
- SJO
2 stops27h 14m
Frontier
Sun 6/79:35 am
SJO
- DEN
1 stop29h 37m
Frontier
Deal found 4/20![Frontier logo]()
$418
One-way flights from Denver to Costa RicaSearch for one-way flight options from Denver to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from Denver to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Viva deal was found by Cheapflights users on 4/20. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:20 pm
DEN
- SJO
1 stop9h 55m
Viva
Deal found 4/20![Viva logo]()
$129
This Viva deal was found by Cheapflights users on 4/20. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:20 pm
DEN
- SJO
1 stop9h 55m
Viva
Deal found 4/20![Viva logo]()
$135
This Frontier deal was found by Cheapflights users on 4/20. 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 7/811:49 pm
DEN
- SJO
1 stop8h 31m
Frontier
Deal found 4/20![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sat 6/611:56 pm
DEN
- SJO
1 stop8h 23m
Frontier
Deal found 4/21![Frontier logo]()
$143
This Viva deal was found by Cheapflights users on 4/19. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:20 pm
DEN
- SJO
1 stop9h 55m
Viva
Deal found 4/19![Viva logo]()
$146
This United Airlines deal was found by Cheapflights users on 4/21. 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 8/115:00 am
DEN
- SJO
1 stop7h 21m
United Airlines
Deal found 4/21![United Airlines logo]()
$149
This Frontier deal was found by Cheapflights users on 4/21. 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.
Sun 8/3011:49 pm
DEN
- SJO
1 stop8h 31m
Frontier
Deal found 4/21![Frontier logo]()
$153
This Viva deal was found by Cheapflights users on 4/22. 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 Viva is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:20 pm
DEN
- SJO
1 stop9h 55m
Viva
Deal found 4/22![Viva logo]()
$156
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sun 7/1211:49 pm
DEN
- SJO
1 stop8h 31m
Frontier
Deal found 4/20![Frontier logo]()
$158
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:10 pm
DEN
- SJO
1 stop17h 10m
Frontier
Deal found 4/20![Frontier logo]()
$164
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
DEN
- SJO
1 stop26h 19m
Frontier
Deal found 4/21![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 4/20. 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 7/2211:49 pm
DEN
- SJO
1 stop8h 31m
Frontier
Deal found 4/20![Frontier logo]()
$178
Find flight deals from Denver to Costa Rica
Keep the following information in mind while searching for Denver to Costa Rica flight deals. Data was last updated April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $391 (Frontier) |
One-way from | $129 (Viva) |
Popular in | December |
Cheapest in | September |
Average price | $451 |
Good round-trip deal | $577 or less |
Good one-way deal | $248 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 April 23, 2026.
Use the filters below to find and compare flights from Denver to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Thu 5/7
10:51 pm-8:21 am
1 stop9h 30m
San José Juan Santamaria Intl
Sat 5/16
5:50 am-6:25 pm
1 stop12h 35m
$416
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Mon 5/11
10:51 pm-10:00 am
1 stop11h 09m
San José Juan Santamaria Intl
Fri 5/15
4:10 am-6:25 pm
1 stop14h 15m
$416
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Fri 10/16
10:43 pm-9:04 am
1 stop10h 21m
San José Juan Santamaria Intl
Thu 10/22
5:45 am-6:11 pm
1 stop12h 26m
$468
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Mon 7/6
10:43 pm-7:12 am
1 stop8h 29m
San José Juan Santamaria Intl
Thu 7/16
4:08 am-6:20 pm
1 stop14h 12m
$480
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Wed 6/3
1:30 pm-10:39 pm
1 stop9h 09m
San José Juan Santamaria Intl
Thu 6/25
12:30 am-8:55 am
1 stop8h 25m
$503
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Thu 6/25
10:43 pm-11:06 am
1 stop12h 23m
San José Juan Santamaria Intl
Thu 7/2
5:45 am-6:20 pm
1 stop12h 35m
$509
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Fri 10/9
10:43 pm-9:58 am
1 stop11h 15m
San José Juan Santamaria Intl
Sat 10/17
4:08 am-6:11 pm
1 stop14h 03m
$520
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Sat 7/11
3:55 pm-9:15 pm
Nonstop5h 20m
San José Juan Santamaria Intl
Wed 7/15
12:30 am-8:55 am
1 stop8h 25m
$530
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Tue 6/2
10:50 am-7:00 pm
1 stop8h 10m
San José Juan Santamaria Intl
Thu 6/4
1:40 pm-12:15 am
1 stop10h 35m
$531
DenverSan José
DEN - SJO
DENSJO
Denver Intl
Fri 5/29
3:55 pm-9:15 pm
Nonstop5h 20m
San José Juan Santamaria Intl
Sat 6/6
6:40 am-12:14 pm
Nonstop5h 34m
$535
Showing 1-10 of 47 resultsSorted by cheapest first
Best time to book a flight from Denver to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Denver with our price prediction graph.
DEN-SJO
DEN-LIR
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 Denver to Costa Rica
DEN-CR0
DEN-SJO
DEN-LIR
How far ahead should I book a flight from Denver to Costa Rica?
The best time to book flights from Denver to Costa Rica is 81 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.
What is the cheapest month to book a flight from Denver to Costa Rica?
Currently, December is the cheapest month in which you can book a flight from Denver to Costa Rica (average of $128). Flying from Denver to Costa Rica in March is currently the most expensive (average of $1,439). 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 DEN to CR?
Find hourly flight availability from Denver 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 April 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Costa Rica as you normally would.
How often are flights from Denver to Costa Rica delayed?
About 13% of weekly flights between Denver and Costa Rica have experienced delays in the past year, with the average delay time being 103 minutes.
What is the most punctual flight time for Denver to Costa Rica flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Denver to Costa Rica flights?
Over the last year, Southwest have had the lowest number of delays on this route, with just 13% of flights being delayed.
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 April 23, 2026.
See what other customers who have flown with Southwest,Delta, andCopa Airlines from Denver to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Denver 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 Denver 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 Denver to Costa Rica by cabin class
Find flights from Denver to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Costa Rica flights
Browse other Denver and Costa Rica flight options. Last updated on April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Denver to Costa Rica
Discover the top 6 airlines that operate flights from Denver 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$183 | Average$402 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$226 | Average$458 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$510 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$576 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$618 | FlexibilityNo cancel fee | On-time63% |