$214+ Cheap flights from Montana 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Cheapest flights from Montana to Costa RicaExplore the most affordable flight options available from Montana to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
Explore the most affordable flight options available from Montana to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:25 pm
BZN
- LIR
2 stops33h 55m
Alaska Airlines
Thu 12/107:35 pm
LIR
- BZN
2 stops29h 24m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 6/2. 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 9/244:19 pm
MSO
- SJO
1 stop14h 56m
United Airlines
Tue 9/297:55 am
SJO
- MSO
2 stops13h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$465
This Orbitz deal was found by Cheapflights users on 6/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm
BZN
- LIR
2 stops24h 29m
Alaska Airlines
Thu 10/229:16 am
LIR
- BZN
2 stops52h 06m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 6/1. 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 10/195:15 pm
BZN
- SJO
1 stop12h 45m
Southwest
Thu 10/299:00 am
SJO
- BZN
2 stops13h 20m
Southwest
Deal found 6/1![Southwest logo]()
$549
This American Airlines deal was found by Cheapflights users on 6/1. 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 11/72:00 pm
BIL
- SJO
2 stops22h 39m
American Airlines
Wed 11/186:22 am
SJO
- BIL
1 stop15h 53m
American Airlines
Deal found 6/1![American Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/313:40 pm
BZN
- SJO
2 stops21h 18m
Delta
Sat 11/72:23 pm
SJO
- BZN
2 stops22h 41m
Delta
Deal found 6/3![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 6/1. 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.
Sat 10/316:25 pm
BIL
- SJO
2 stops18h 33m
Delta
Wed 11/117:00 am
SJO
- BIL
2 stops16h 32m
Delta
Deal found 6/1![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 6/4. 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.
Wed 10/285:40 am
MSO
- SJO
2 stops30h 18m
Delta
Sat 11/147:00 am
SJO
- MSO
2 stops18h 31m
Delta
Deal found 6/4![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/295:32 pm
MSO
- SJO
2 stops16h 53m
United Airlines
Thu 11/128:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/4![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 6/2. 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 11/72:40 pm
BIL
- SJO
2 stops19h 45m
United Airlines
Wed 11/188:45 am
SJO
- BIL
2 stops26h 06m
United Airlines
Deal found 6/2![United Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/276:31 am
FCA
- SJO
2 stops27h 54m
United Airlines
Sat 10/316:30 am
SJO
- FCA
1 stop15h 00m
United Airlines
Deal found 6/1![United Airlines logo]()
$575
This KAYAK deal was found by Cheapflights users on 6/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:27 pm
MSO
- SJO
2 stops19h 58m
Multiple Airlines
Wed 11/118:45 am
SJO
- MSO
2 stops13h 41m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$579
Best flights from Montana to Costa RicaDiscover carefully curated flight deals from Montana to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Montana to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:00 am
BZN
- LIR
2 stops21h 20m
Alaska Airlines
Tue 12/157:35 pm
LIR
- BZN
2 stops23h 57m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 6/1. 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 10/1911:15 am
BZN
- SJO
2 stops18h 45m
Southwest
Thu 10/299:00 am
SJO
- BZN
2 stops13h 20m
Southwest
Deal found 6/1![Southwest logo]()
$549
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/313:40 pm
BZN
- SJO
2 stops21h 18m
Delta
Sat 11/72:23 pm
SJO
- BZN
2 stops22h 41m
Delta
Deal found 6/3![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/295:32 pm
MSO
- SJO
2 stops16h 53m
United Airlines
Thu 11/128:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/4![United Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 6/2. 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 11/72:00 pm
BIL
- SJO
1 stop23h 10m
American Airlines
Wed 11/186:22 am
SJO
- BIL
1 stop15h 53m
American Airlines
Deal found 6/2![American Airlines logo]()
$592
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:22 am
BZN
- LIR
1 stop25h 18m
JetBlue
Wed 8/192:00 pm
LIR
- BZN
1 stop20h 27m
JetBlue
Deal found 6/1![JetBlue logo]()
$1,063
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/3111:35 am
BIL
- SJO
2 stops25h 23m
Delta
Wed 11/117:00 am
SJO
- BIL
2 stops16h 32m
Delta
Deal found 6/3![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/2. 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 11/72:40 pm
BIL
- SJO
2 stops19h 45m
United Airlines
Wed 11/188:45 am
SJO
- BIL
2 stops26h 06m
United Airlines
Deal found 6/2![United Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/311:13 pm
BIL
- SJO
2 stops23h 09m
American Airlines
Wed 11/116:22 am
SJO
- BIL
1 stop15h 53m
American Airlines
Deal found 6/5![American Airlines logo]()
$594
This Orbitz deal was found by Cheapflights users on 6/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm
BZN
- LIR
3 stops24h 29m
Alaska Airlines
Thu 10/229:16 am
LIR
- BZN
2 stops52h 06m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/276:31 am
FCA
- SJO
2 stops27h 54m
United Airlines
Sat 10/315:40 am
SJO
- FCA
2 stops15h 50m
United Airlines
Deal found 6/1![United Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 6/3. 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.
Wed 9/231:17 pm
MSO
- SJO
2 stops22h 37m
Delta
Wed 9/301:25 pm
SJO
- MSO
2 stops23h 12m
Delta
Deal found 6/3![Delta logo]()
$583
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/291:29 pm
MSO
- SJO
2 stops24h 29m
American Airlines
Thu 11/122:39 pm
SJO
- MSO
2 stops23h 00m
American Airlines
Deal found 6/5![American Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/5. 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 10/318:40 am
COD
- SJO
2 stops20h 45m
United Airlines
Wed 11/48:45 am
SJO
- COD
2 stops13h 53m
United Airlines
Deal found 6/5![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/5. 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 10/244:22 pm
BZN
- SJO
1 stop14h 53m
United Airlines
Tue 10/271:20 pm
SJO
- BZN
2 stops25h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:25 pm
BZN
- SJO
2 stops27h 32m
Alaska Airlines
Tue 12/81:45 am
SJO
- BZN
2 stops23h 14m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$724
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/67:00 am
BIL
- SJO
2 stops28h 05m
American Airlines
Sat 10/172:45 pm
SJO
- BIL
2 stops31h 56m
American Airlines
Deal found 6/5![American Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/296:15 am
MSO
- SJO
2 stops28h 10m
United Airlines
Wed 11/118:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/4![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/265:32 pm
MSO
- SJO
2 stops18h 43m
United Airlines
Wed 11/118:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/4![United Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/1. 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 10/191:40 pm
BZN
- SJO
1 stop24h 18m
American Airlines
Thu 10/2912:57 pm
SJO
- BZN
1 stop23h 53m
American Airlines
Deal found 6/1![American Airlines logo]()
$742
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:19 pm
GTF
- LIR
2 stops26h 33m
Alaska Airlines
Sun 9/208:32 am
LIR
- GTF
3 stops32h 07m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 6/5. 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 11/86:15 am
MSO
- SJO
2 stops30h 00m
United Airlines
Wed 11/118:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/5![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/265:32 pm
MSO
- SJO
2 stops18h 43m
United Airlines
Sat 11/148:45 am
SJO
- MSO
2 stops13h 41m
United Airlines
Deal found 6/4![United Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/3. 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 7/195:03 pm
BZN
- LIR
2 stops20h 12m
American Airlines
Sun 7/263:40 pm
LIR
- BZN
1 stop28h 59m
American Airlines
Deal found 6/3![American Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 6/5. 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 10/244:17 pm
FCA
- SJO
1 stop14h 58m
United Airlines
Wed 10/287:45 am
SJO
- FCA
2 stops13h 45m
United Airlines
Deal found 6/5![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/3. 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 10/313:40 pm
BZN
- SJO
2 stops19h 45m
United Airlines
Sat 11/76:40 am
SJO
- BZN
1 stop30h 36m
United Airlines
Deal found 6/3![United Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 6/4. 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 8/114:15 pm
BZN
- LIR
2 stops19h 12m
American Airlines
Wed 8/1912:35 pm
LIR
- BZN
2 stops23h 30m
American Airlines
Deal found 6/4![American Airlines logo]()
$939
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/15:55 pm
COD
- SJO
2 stops16h 16m
United Airlines
Fri 7/107:55 am
SJO
- COD
2 stops25h 33m
United Airlines
Deal found 6/4![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/237:15 am
MSO
- SJO
2 stops12h 22m
United Airlines
Wed 9/301:25 pm
SJO
- MSO
2 stops24h 08m
United Airlines
Deal found 6/1![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/3010:36 am
MSO
- SJO
2 stops23h 35m
United Airlines
Mon 7/612:30 am
SJO
- MSO
2 stops23h 26m
United Airlines
Deal found 6/2![United Airlines logo]()
$635
Last-minute flights from Montana to Costa RicaDiscover last-minute flight deals from Montana to Costa Rica. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Costa Rica. Data last updated June 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/510:33 am
BZN
- SJO
2 stops12h 06m
United Airlines
Wed 6/1012:30 am
SJO
- BZN
2 stops20h 44m
United Airlines
Deal found 6/3![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/3010:36 am
MSO
- SJO
2 stops23h 35m
United Airlines
Mon 7/612:30 am
SJO
- MSO
2 stops23h 26m
United Airlines
Deal found 6/2![United Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/15:55 pm
COD
- SJO
2 stops16h 16m
United Airlines
Fri 7/107:55 am
SJO
- COD
2 stops25h 33m
United Airlines
Deal found 6/4![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/27:00 am
BIL
- SJO
2 stops27h 11m
United Airlines
Wed 7/812:30 am
SJO
- BIL
2 stops20h 47m
United Airlines
Deal found 6/3![United Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/136:30 am
BZN
- SJO
2 stops29h 51m
United Airlines
Sat 7/1811:13 am
SJO
- BZN
2 stops22h 16m
United Airlines
Deal found 6/5![United Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/136:30 am
BZN
- SJO
2 stops29h 51m
United Airlines
Mon 7/2012:30 am
SJO
- BZN
2 stops20h 44m
United Airlines
Deal found 6/5![United Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/136:30 am
BZN
- SJO
2 stops29h 51m
United Airlines
Sun 7/196:00 am
SJO
- BZN
2 stops31h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/145:26 pm
BZN
- SJO
2 stops16h 45m
United Airlines
Sat 7/186:40 am
SJO
- BZN
1 stop8h 38m
United Airlines
Deal found 6/5![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/145:26 pm
BZN
- SJO
2 stops16h 45m
United Airlines
Mon 7/2012:30 am
SJO
- BZN
2 stops20h 44m
United Airlines
Deal found 6/5![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/145:26 pm
BZN
- SJO
2 stops16h 45m
United Airlines
Sun 7/196:00 am
SJO
- BZN
2 stops31h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/145:26 pm
BZN
- SJO
2 stops16h 45m
United Airlines
Thu 7/2311:13 am
SJO
- BZN
2 stops28h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/147:15 am
MSO
- SJO
2 stops39h 24m
United Airlines
Wed 7/2212:30 am
SJO
- MSO
2 stops23h 26m
United Airlines
Deal found 6/5![United Airlines logo]()
$646
One-way flights from Montana to Costa RicaSearch for one-way flight options from Montana to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Montana to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/3. 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 11/73:40 pm
BZN
- SJO
2 stops13h 45m
United Airlines
Deal found 6/3![United Airlines logo]()
$214
This Ovago deal was found by Cheapflights users on 6/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:40 pm
BZN
- SJO
1 stop18h 45m
Azul
Deal found 6/3![Azul logo]()
$277
This Avianca deal was found by Cheapflights users on 6/4. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:51 pm
BZN
- SJO
2 stops14h 54m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$307
This Avianca deal was found by Cheapflights users on 6/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:30 pm
BZN
- SJO
3 stops19h 05m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/274:49 pm
FCA
- SJO
2 stops20h 22m
American Airlines
Deal found 6/5![American Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/54:48 pm
BZN
- SJO
3 stops44h 00m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$391
This BusinessClass deal was found by Cheapflights users on 6/3. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:22 pm
BZN
- SJO
2 stops18h 03m
Avianca
Deal found 6/3![Avianca logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/1. 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 7/274:14 pm
BZN
- SJO
1 stop22h 23m
American Airlines
Deal found 6/1![American Airlines logo]()
$537
This oojo deal was found by Cheapflights users on 6/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:34 pm
FCA
- SJO
3 stops30h 41m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/274:11 pm
FCA
- SJO
1 stop15h 04m
United Airlines
Deal found 6/5![United Airlines logo]()
$905
Find flight deals from Montana to Costa Rica
Keep the following information in mind while searching for Montana to Costa Rica flight deals. Data was last updated June 6, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $407 (Alaska Airlines) |
One-way from | $214 (United Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $736 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana 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 6, 2026.
Use the filters below to find and compare flights from Montana to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BozemanLiberia
BZN - LIR
BZNLIR
Bozeman Gallatin Field
Fri 11/27
8:00 am-6:20 am
2 stops21h 20m
Liberia
Tue 12/15
7:35 pm-6:32 pm
2 stops23h 57m
$407
BozemanSan José
BZN - SJO
BZNSJO
Bozeman Gallatin Field
Mon 10/19
11:15 am-6:00 am
2 stops18h 45m
San José Juan Santamaria Intl
Thu 10/29
9:00 am-10:20 pm
2 stops13h 20m
$549
BozemanSan José
BZN - SJO
BZNSJO
Bozeman Gallatin Field
Sat 10/31
3:40 pm-12:58 pm
2 stops21h 18m
San José Juan Santamaria Intl
Sat 11/7
2:23 pm-12:04 pm
2 stops22h 41m
$563
BillingsSan José
BIL - SJO
BILSJO
Billings Logan Intl
Sat 10/31
11:35 am-12:58 pm
2 stops25h 23m
San José Juan Santamaria Intl
Wed 11/11
7:00 am-10:32 pm
2 stops16h 32m
$563
MissoulaSan José
MSO - SJO
MSOSJO
Missoula Johnson-Bell Field
Thu 10/29
5:32 pm-10:25 am
2 stops16h 53m
San José Juan Santamaria Intl
Thu 11/12
8:45 am-9:26 pm
2 stops13h 41m
$566
BillingsSan José
BIL - SJO
BILSJO
Billings Logan Intl
Sat 11/7
2:40 pm-11:25 am
2 stops19h 45m
San José Juan Santamaria Intl
Wed 11/18
8:45 am-9:51 am
2 stops26h 06m
$575
KalispellSan José
FCA - SJO
FCASJO
Kalispell Glacier Park
Tue 10/27
6:31 am-10:25 am
2 stops27h 54m
San José Juan Santamaria Intl
Sat 10/31
5:40 am-9:30 pm
2 stops15h 50m
$575
MissoulaSan José
MSO - SJO
MSOSJO
Missoula Johnson-Bell Field
Wed 9/23
1:17 pm-11:54 am
2 stops22h 37m
San José Juan Santamaria Intl
Wed 9/30
1:25 pm-12:37 pm
2 stops23h 12m
$583
BillingsSan José
BIL - SJO
BILSJO
Billings Logan Intl
Sat 11/7
2:00 pm-2:10 pm
1 stop23h 10m
San José Juan Santamaria Intl
Wed 11/18
6:22 am-9:15 pm
1 stop15h 53m
$592
BillingsSan José
BIL - SJO
BILSJO
Billings Logan Intl
Sat 10/31
1:13 pm-12:22 pm
2 stops23h 09m
San José Juan Santamaria Intl
Wed 11/11
6:22 am-9:15 pm
1 stop15h 53m
$594
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Montana to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Montana with our price prediction graph.
BZN-SJO
FCA-SJO
COD-SJO
MSO-SJO
BIL-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 Montana to Costa Rica
USMT-CR0
BZN-SJO
FCA-SJO
COD-SJO
MSO-SJO
What is the cheapest month to book a flight from Montana to Costa Rica?
Currently, January is the cheapest month in which you can book a flight from Montana to Costa Rica (average of $188). Flying from Montana to Costa Rica in July is currently the most expensive (average of $592). 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.
Related info for your journey
Find useful and relevant information for your journey from Montana 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Top destinations
Alternative routes for Montana 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 Montana to Costa Rica by cabin class
Find flights from Montana to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Costa Rica flights
Browse other Montana and Costa Rica flight options. Last updated on June 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Costa Rica
Find the right flight back to Montana after your stay in Costa Rica
Montana to Costa Rica flights
Consider these flights traveling from Montana to Costa Rica.
Top 3 airlines flying from Montana to Costa Rica
Discover the top 3 airlines that operate flights from Montana 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$719 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$397 | Average$680 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$466 | Average$589 | FlexibilityNo cancel fee | On-time63% |