$197+ Cheap flights from Montana to Puerto Rico
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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Montana to Puerto Rico 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Puerto Rico
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Cheapest flights from Montana to Puerto RicoExplore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This Southwest deal was found by Cheapflights users on 2/10. 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 4/73:20 pm
BZN
- SJU
2 stops17h 15m
Southwest
Tue 4/1411:25 am
SJU
- BZN
2 stops14h 50m
Southwest
Deal found 2/10![Southwest logo]()
$454
This Southwest deal was found by Cheapflights users on 2/9. 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 8/46:55 am
BZN
- SJU
2 stops13h 05m
Southwest
Tue 8/115:15 am
SJU
- BZN
2 stops11h 25m
Southwest
Deal found 2/9![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 2/9. 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.
Wed 4/88:10 am
BZN
- SJU
2 stops13h 30m
Southwest
Tue 4/148:10 am
SJU
- BZN
2 stops15h 50m
Southwest
Deal found 2/9![Southwest logo]()
$498
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:30 pm
BZN
- SJU
2 stops17h 02m
Delta
Tue 3/106:15 am
SJU
- BZN
1 stop9h 20m
Delta
Deal found 2/11![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:11 am
BZN
- SJU
1 stop9h 49m
United Airlines
Mon 3/91:05 am
SJU
- BZN
1 stop11h 34m
United Airlines
Deal found 2/11![United Airlines logo]()
$514
This Faresmojo deal was found by Cheapflights users on 2/10. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:39 pm
BZN
- SJU
1 stop8h 37m
JetBlue
Sat 3/216:15 am
SJU
- BZN
1 stop9h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$534
This Southwest deal was found by Cheapflights users on 2/10. 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.
Wed 4/17:30 am
BZN
- SJU
2 stops10h 00m
Southwest
Tue 4/711:25 am
SJU
- BZN
2 stops14h 50m
Southwest
Deal found 2/10![Southwest logo]()
$544
This American Airlines deal was found by Cheapflights users on 2/9. 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 8/45:00 pm
BZN
- SJU
1 stop19h 10m
American Airlines
Tue 8/117:05 pm
SJU
- BZN
2 stops17h 34m
American Airlines
Deal found 2/9![American Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:15 am
MSO
- SJU
1 stop9h 10m
United Airlines
Fri 11/132:05 am
SJU
- MSO
2 stops14h 22m
United Airlines
Deal found 2/11![United Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/83:36 pm
BZN
- SJU
1 stop11h 52m
American Airlines
Wed 3/181:30 am
SJU
- BZN
1 stop15h 16m
American Airlines
Deal found 2/10![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/291:51 pm
BIL
- SJU
1 stop12h 41m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 2/10![American Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:30 am
BZN
- SJU
1 stop8h 55m
United Airlines
Thu 3/121:25 pm
SJU
- BZN
1 stop9h 57m
United Airlines
Deal found 2/11![United Airlines logo]()
$566
Best flights from Montana to Puerto RicoDiscover carefully curated flight deals from Montana to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Montana to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Southwest deal was found by Cheapflights users on 2/10. 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 4/73:20 pm
BZN
- SJU
2 stops17h 15m
Southwest
Tue 4/1411:25 am
SJU
- BZN
2 stops14h 50m
Southwest
Deal found 2/10![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:30 pm
BZN
- SJU
2 stops17h 02m
Delta
Tue 3/106:15 am
SJU
- BZN
1 stop9h 20m
Delta
Deal found 2/11![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:11 am
BZN
- SJU
1 stop9h 49m
United Airlines
Mon 3/91:05 am
SJU
- BZN
1 stop11h 34m
United Airlines
Deal found 2/11![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:36 pm
BZN
- SJU
2 stops14h 24m
American Airlines
Wed 3/111:30 am
SJU
- BZN
1 stop13h 27m
American Airlines
Deal found 2/11![American Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 2/9. 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 8/46:55 am
BZN
- SJU
2 stops13h 05m
Southwest
Tue 8/115:15 am
SJU
- BZN
2 stops11h 25m
Southwest
Deal found 2/9![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/116:15 am
MSO
- SJU
2 stops13h 09m
United Airlines
Sat 4/257:20 am
SJU
- MSO
2 stops16h 15m
United Airlines
Deal found 2/10![United Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 3/83:36 pm
BZN
- SJU
2 stops15h 24m
American Airlines
Mon 3/235:28 am
SJU
- BZN
1 stop18h 10m
American Airlines
Deal found 2/12![American Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 2/10. 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.
Wed 4/17:30 am
BZN
- SJU
2 stops10h 00m
Southwest
Tue 4/711:25 am
SJU
- BZN
2 stops14h 50m
Southwest
Deal found 2/10![Southwest logo]()
$544
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:20 am
MSO
- SJU
2 stops12h 58m
Delta
Wed 4/86:15 am
SJU
- MSO
2 stops15h 47m
Delta
Deal found 2/12![Delta logo]()
$616
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/171:36 pm
BZN
- SJU
2 stops17h 24m
American Airlines
Tue 3/246:01 pm
SJU
- BZN
2 stops22h 45m
American Airlines
Deal found 2/10![American Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/86:35 am
BIL
- SJU
1 stop9h 03m
United Airlines
Fri 5/151:00 am
SJU
- BIL
2 stops14h 23m
United Airlines
Deal found 2/10![United Airlines logo]()
$600
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:25 pm
BZN
- SJU
2 stops13h 30m
Southwest
Thu 3/1210:15 am
SJU
- BZN
2 stops14h 30m
Southwest
Deal found 2/11![Southwest logo]()
$562
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/83:36 pm
BZN
- SJU
2 stops15h 24m
American Airlines
Wed 3/181:30 am
SJU
- BZN
1 stop13h 27m
American Airlines
Deal found 2/11![American Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:32 am
MSO
- SJU
2 stops12h 43m
Delta
Mon 4/66:15 am
SJU
- MSO
2 stops20h 09m
Delta
Deal found 2/11![Delta logo]()
$621
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
BIL
- SJU
1 stop15h 02m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 2/11![American Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:20 am
MSO
- SJU
2 stops12h 58m
Delta
Mon 4/66:15 am
SJU
- MSO
2 stops15h 47m
Delta
Deal found 2/11![Delta logo]()
$621
This United Airlines deal was found by Cheapflights users on 2/9. 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 5/26:00 am
FCA
- SJU
2 stops15h 50m
United Airlines
Tue 5/51:00 am
SJU
- FCA
2 stops14h 31m
United Airlines
Deal found 2/9![United Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
BIL
- SJU
1 stop15h 02m
American Airlines
Sun 5/106:45 am
SJU
- BIL
1 stop17h 58m
American Airlines
Deal found 2/11![American Airlines logo]()
$629
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:32 am
MSO
- SJU
2 stops12h 43m
Delta
Thu 4/96:15 am
SJU
- MSO
2 stops15h 47m
Delta
Deal found 2/11![Delta logo]()
$696
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/81:51 pm
BIL
- SJU
1 stop12h 41m
American Airlines
Tue 4/147:00 pm
SJU
- BIL
2 stops20h 21m
American Airlines
Deal found 2/9![American Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:32 am
MSO
- SJU
2 stops12h 43m
Delta
Tue 4/77:00 am
SJU
- MSO
2 stops19h 24m
Delta
Deal found 2/11![Delta logo]()
$741
This American Airlines deal was found by Cheapflights users on 2/12. 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 3/301:20 pm
MSO
- SJU
1 stop13h 04m
American Airlines
Wed 4/83:44 pm
SJU
- MSO
2 stops22h 54m
American Airlines
Deal found 2/12![American Airlines logo]()
$672
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/291:21 pm
MSO
- SJU
1 stop13h 03m
American Airlines
Mon 4/66:33 am
SJU
- MSO
1 stop17h 23m
American Airlines
Deal found 2/11![American Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 2/12. 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 3/316:15 am
MSO
- SJU
2 stops24h 45m
American Airlines
Mon 4/66:33 am
SJU
- MSO
1 stop17h 23m
American Airlines
Deal found 2/12![American Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/266:15 am
MSO
- SJU
1 stop14h 16m
American Airlines
Wed 4/83:44 pm
SJU
- MSO
2 stops22h 54m
American Airlines
Deal found 2/12![American Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/61:20 pm
MSO
- SJU
1 stop13h 04m
American Airlines
Fri 4/106:45 am
SJU
- MSO
1 stop17h 00m
American Airlines
Deal found 2/10![American Airlines logo]()
$723
Last-minute flights from Montana to Puerto RicoDiscover last-minute flight deals from Montana to Puerto Rico. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Puerto Rico. Data last updated February 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
BZN
- SJU
2 stops14h 58m
Delta
Tue 3/37:30 am
SJU
- BZN
1 stop8h 59m
Delta
Deal found 2/10![Delta logo]()
$616
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:30 pm
BZN
- SJU
2 stops17h 02m
Delta
Tue 3/106:15 am
SJU
- BZN
1 stop9h 20m
Delta
Deal found 2/11![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:11 am
BZN
- SJU
1 stop9h 49m
United Airlines
Mon 3/91:05 am
SJU
- BZN
1 stop11h 34m
United Airlines
Deal found 2/11![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
BZN
- SJU
1 stop19h 24m
American Airlines
Wed 3/111:30 am
SJU
- BZN
1 stop13h 27m
American Airlines
Deal found 2/11![American Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:30 am
BZN
- SJU
1 stop8h 55m
United Airlines
Thu 3/121:25 pm
SJU
- BZN
1 stop9h 57m
United Airlines
Deal found 2/11![United Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/83:36 pm
BZN
- SJU
1 stop11h 52m
American Airlines
Wed 3/181:30 am
SJU
- BZN
1 stop15h 16m
American Airlines
Deal found 2/10![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/83:36 pm
BZN
- SJU
1 stop11h 52m
American Airlines
Mon 3/235:28 am
SJU
- BZN
1 stop18h 10m
American Airlines
Deal found 2/10![American Airlines logo]()
$601
This Faresmojo deal was found by Cheapflights users on 2/10. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:39 pm
BZN
- SJU
1 stop8h 37m
JetBlue
Sat 3/216:15 am
SJU
- BZN
1 stop9h 20m
JetBlue
Deal found 2/10![JetBlue logo]()
$534
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:32 am
MSO
- SJU
2 stops12h 43m
Delta
Mon 4/66:15 am
SJU
- MSO
2 stops20h 09m
Delta
Deal found 2/11![Delta logo]()
$621
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/273:36 pm
BZN
- SJU
1 stop11h 52m
American Airlines
Tue 3/311:30 am
SJU
- BZN
1 stop15h 16m
American Airlines
Deal found 2/9![American Airlines logo]()
$591
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:20 am
MSO
- SJU
2 stops12h 58m
Delta
Tue 4/77:00 am
SJU
- MSO
2 stops19h 24m
Delta
Deal found 2/11![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:20 am
MSO
- SJU
2 stops12h 58m
Delta
Wed 4/86:15 am
SJU
- MSO
2 stops15h 47m
Delta
Deal found 2/12![Delta logo]()
$616
One-way flights from Montana to Puerto RicoSearch for one-way flight options from Montana to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Montana to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:34 am
BZN
- SJU
1 stop9h 04m
United Airlines
Deal found 2/11![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:15 pm
BZN
- SJU
2 stops18h 35m
Delta
Deal found 2/11![Delta logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:35 am
BZN
- SJU
3 stops35h 54m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:25 pm
BZN
- SJU
2 stops14h 45m
Southwest
Deal found 2/11![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:46 pm
BZN
- SJU
3 stops40h 03m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 2/10. 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 4/291:43 pm
BZN
- SJU
1 stop12h 49m
American Airlines
Deal found 2/10![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/9. 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 5/161:51 pm
BIL
- SJU
1 stop12h 41m
American Airlines
Deal found 2/9![American Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/3010:25 am
BZN
- SJU
3 stops25h 41m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 2/9. 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 5/156:35 am
BIL
- SJU
1 stop9h 03m
United Airlines
Deal found 2/9![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/1510:34 am
BIL
- SJU
2 stops27h 03m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 2/9. 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 5/166:35 am
BIL
- SJU
2 stops15h 15m
United Airlines
Deal found 2/9![United Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/297:59 pm
BZN
- SJU
3 stops40h 21m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$363
Find flight deals from Montana to Puerto Rico
Keep the following information in mind while searching for Montana to Puerto Rico flight deals. Data was last updated February 12, 2026.
Round-trip from | $454 (Southwest) |
|---|---|
One-way from | $197 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $543 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Puerto Rico 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 February 12, 2026.
Use the filters below to find and compare flights from Montana to Puerto Rico that are best for you.
Fly from
Montana
Fly to
Puerto Rico
Route
Depart
Return
Price
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Tue 4/7
3:20 pm-10:35 am
2 stops17h 15m
San Juan Luis Munoz Marin Intl
Tue 4/14
11:25 am-12:15 am
2 stops14h 50m
$454
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Tue 8/4
6:55 am-10:00 pm
2 stops13h 05m
San Juan Luis Munoz Marin Intl
Tue 8/11
5:15 am-2:40 pm
2 stops11h 25m
$494
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Wed 3/4
6:30 pm-2:32 pm
2 stops17h 02m
San Juan Luis Munoz Marin Intl
Tue 3/10
6:15 am-1:35 pm
1 stop9h 20m
$505
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Wed 3/4
8:11 am-9:00 pm
1 stop9h 49m
San Juan Luis Munoz Marin Intl
Mon 3/9
1:05 am-10:39 am
1 stop11h 34m
$514
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Wed 4/1
7:30 am-7:30 pm
2 stops10h 00m
San Juan Luis Munoz Marin Intl
Tue 4/7
11:25 am-12:15 am
2 stops14h 50m
$544
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Sat 3/7
3:36 pm-9:00 am
2 stops14h 24m
San Juan Luis Munoz Marin Intl
Wed 3/11
1:30 am-12:57 pm
1 stop13h 27m
$562
MissoulaSan Juan
MSO - SJU
MSOSJU
Missoula Johnson-Bell Field
Sat 4/11
6:15 am-9:24 pm
2 stops13h 09m
San Juan Luis Munoz Marin Intl
Sat 4/25
7:20 am-9:35 pm
2 stops16h 15m
$562
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Sun 3/8
3:36 pm-9:00 am
2 stops15h 24m
San Juan Luis Munoz Marin Intl
Mon 3/23
5:28 am-9:38 pm
1 stop18h 10m
$562
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Tue 3/17
1:36 pm-9:00 am
2 stops17h 24m
San Juan Luis Munoz Marin Intl
Tue 3/24
6:01 pm-2:46 pm
2 stops22h 45m
$562
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Sat 3/7
4:25 pm-8:55 am
2 stops13h 30m
San Juan Luis Munoz Marin Intl
Thu 3/12
10:15 am-10:45 pm
2 stops14h 30m
$562
Showing 1-10 of 45 results
Best time to book a flight from Montana to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Montana with our price prediction graph.
BZN-SJU
MSO-SJU
BIL-SJU
FCA-SJU
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 Puerto Rico
USMT-PR0
BZN-SJU
MSO-SJU
BIL-SJU
FCA-SJU
What is the cheapest month to book a flight from Montana to Puerto Rico?
Currently, March is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $252). Flying from Montana to Puerto Rico in December is currently the most expensive (average of $554). 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 Puerto Rico. 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 Montana to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Puerto Rico by cabin class
Find flights from Montana to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Puerto Rico flights
Browse other Montana and Puerto Rico flight options. Last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Montana to Puerto Rico flights
Consider these flights traveling from Montana to Puerto Rico.
Top 3 airlines flying from Montana to Puerto Rico
Discover the top 3 airlines that operate flights from Montana to Puerto Rico. 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$477 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$363 | Average$540 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$385 | Average$723 | FlexibilityNo cancel fee | On-time69% |