$217+ Cheap flights from Montana to Luis Munoz Marin Intl (SJU)
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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Apr 10 — Apr 171
Round-trip
1 adult, Economy
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Cheapest flights from Montana to Luis Munoz Marin IntlExplore the most affordable flight options available from Montana to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Montana to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:35 am
BZN
- SJU
2 stops13h 15m
Southwest
Sat 8/225:05 am
SJU
- BZN
2 stops12h 30m
Southwest
Deal found 3/7![Southwest logo]()
$490
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/206:00 am
BIL
- SJU
1 stop15h 02m
American Airlines
Fri 4/246:45 am
SJU
- BIL
1 stop17h 58m
American Airlines
Deal found 3/6![American Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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
2 stops17h 22m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/36:15 am
MSO
- SJU
1 stop9h 23m
United Airlines
Thu 5/71:00 am
SJU
- MSO
2 stops14h 35m
United Airlines
Deal found 3/6![United Airlines logo]()
$544
This Faresmojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/6![JetBlue logo]()
$544
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/276:24 am
BIL
- SJU
2 stops14h 49m
Delta
Thu 5/72:25 pm
SJU
- BIL
2 stops10h 41m
Delta
Deal found 3/7![Delta logo]()
$544
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 9/286:15 am
MSO
- SJU
1 stop9h 15m
United Airlines
Wed 10/77:00 am
SJU
- MSO
2 stops16h 26m
United Airlines
Deal found 3/7![United Airlines logo]()
$546
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 9/611:00 am
BZN
- SJU
2 stops11h 30m
Southwest
Sat 9/125:05 am
SJU
- BZN
2 stops12h 30m
Southwest
Deal found 3/8![Southwest logo]()
$546
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/281:51 pm
BIL
- SJU
2 stops19h 02m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/7![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:34 am
BZN
- SJU
2 stops12h 50m
United Airlines
Thu 4/161:00 am
SJU
- BZN
2 stops14h 34m
United Airlines
Deal found 3/6![United Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/86:45 am
MSO
- SJU
1 stop19h 47m
American Airlines
Wed 5/136:45 am
SJU
- MSO
1 stop17h 00m
American Airlines
Deal found 3/6![American Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/41:08 pm
MSO
- SJU
2 stops20h 55m
American Airlines
Mon 8/317:05 pm
SJU
- MSO
2 stops19h 56m
American Airlines
Deal found 3/10![American Airlines logo]()
$573
Best flights from Montana to Luis Munoz Marin IntlDiscover carefully curated flight deals from Montana to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Montana to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/206:00 am
BIL
- SJU
1 stop15h 02m
American Airlines
Fri 4/246:45 am
SJU
- BIL
1 stop17h 58m
American Airlines
Deal found 3/6![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/36:15 am
MSO
- SJU
1 stop9h 23m
United Airlines
Thu 5/71:00 am
SJU
- MSO
2 stops14h 35m
United Airlines
Deal found 3/6![United Airlines logo]()
$544
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 9/611:00 am
BZN
- SJU
2 stops11h 30m
Southwest
Sat 9/125:05 am
SJU
- BZN
2 stops12h 30m
Southwest
Deal found 3/8![Southwest logo]()
$546
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:34 am
BZN
- SJU
2 stops12h 50m
United Airlines
Thu 4/161:00 am
SJU
- BZN
2 stops14h 34m
United Airlines
Deal found 3/6![United Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/281:51 pm
BIL
- SJU
2 stops17h 22m
American Airlines
Sun 5/105:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/7![American Airlines logo]()
$620
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/112:55 pm
BZN
- SJU
2 stops16h 10m
Southwest
Sat 4/1811:15 am
SJU
- BZN
2 stops12h 25m
Southwest
Deal found 3/7![Southwest logo]()
$630
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/276:15 am
MSO
- SJU
1 stop9h 23m
United Airlines
Wed 4/291:00 am
SJU
- MSO
2 stops14h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 3/10. 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 8/161:51 pm
MSO
- SJU
2 stops19h 18m
American Airlines
Sun 8/233:00 pm
SJU
- MSO
1 stop10h 28m
American Airlines
Deal found 3/10![American Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:55 pm
BZN
- SJU
2 stops16h 10m
Southwest
Mon 5/186:50 am
SJU
- BZN
2 stops18h 10m
Southwest
Deal found 3/6![Southwest logo]()
$639
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/275:05 am
BIL
- SJU
1 stop10h 33m
United Airlines
Wed 4/297:20 am
SJU
- BIL
2 stops16h 45m
United Airlines
Deal found 3/7![United Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 6/186:44 am
BZN
- SJU
1 stop19h 41m
American Airlines
Sun 6/2112:59 am
SJU
- BZN
1 stop17h 03m
American Airlines
Deal found 3/10![American Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 3/10. 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.
Fri 6/1911:15 am
BZN
- SJU
2 stops12h 05m
Southwest
Mon 6/225:00 am
SJU
- BZN
2 stops11h 10m
Southwest
Deal found 3/10![Southwest logo]()
$649
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 5/96:00 am
FCA
- SJU
2 stops15h 50m
United Airlines
Tue 5/121:00 am
SJU
- FCA
2 stops14h 31m
United Airlines
Deal found 3/7![United Airlines logo]()
$626
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:44 am
BZN
- SJU
1 stop14h 32m
American Airlines
Fri 7/1712:59 am
SJU
- BZN
1 stop17h 10m
American Airlines
Deal found 3/6![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:45 pm
FCA
- SJU
2 stops19h 25m
American Airlines
Sat 8/15:45 am
SJU
- FCA
1 stop9h 32m
American Airlines
Deal found 3/8![American Airlines logo]()
$731
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:48 pm
FCA
- SJU
2 stops20h 02m
American Airlines
Wed 8/54:49 pm
SJU
- FCA
2 stops20h 11m
American Airlines
Deal found 3/6![American Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 8/204:54 pm
FCA
- SJU
1 stop19h 16m
American Airlines
Sun 8/233:00 pm
SJU
- FCA
1 stop27h 14m
American Airlines
Deal found 3/9![American Airlines logo]()
$924
Last-minute flights from Montana to Luis Munoz Marin IntlDiscover last-minute flight deals from Montana to Luis Munoz Marin Intl. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Luis Munoz Marin Intl. Data last updated March 11, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 3/6![JetBlue logo]()
$544
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/112:55 pm
BZN
- SJU
2 stops16h 10m
Southwest
Sat 4/1811:15 am
SJU
- BZN
2 stops12h 25m
Southwest
Deal found 3/7![Southwest logo]()
$630
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:34 am
BZN
- SJU
2 stops12h 50m
United Airlines
Thu 4/161:00 am
SJU
- BZN
2 stops14h 34m
United Airlines
Deal found 3/6![United Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/206:00 am
BIL
- SJU
1 stop15h 02m
American Airlines
Fri 4/246:45 am
SJU
- BIL
1 stop17h 58m
American Airlines
Deal found 3/6![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/257:00 am
BIL
- SJU
1 stop8h 38m
United Airlines
Tue 5/51:00 am
SJU
- BIL
2 stops14h 23m
United Airlines
Deal found 3/7![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/276:24 am
BIL
- SJU
2 stops14h 49m
Delta
Thu 5/72:25 pm
SJU
- BIL
2 stops10h 41m
Delta
Deal found 3/7![Delta logo]()
$544
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/276:15 am
MSO
- SJU
1 stop9h 23m
United Airlines
Wed 4/291:00 am
SJU
- MSO
2 stops14h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/277:00 am
BIL
- SJU
1 stop8h 38m
United Airlines
Wed 4/297:20 am
SJU
- BIL
2 stops16h 45m
United Airlines
Deal found 3/8![United Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/281:51 pm
BIL
- SJU
2 stops19h 02m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/7![American Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/105:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:24 am
BIL
- SJU
2 stops14h 49m
Delta
Tue 5/122:25 pm
SJU
- BIL
2 stops10h 41m
Delta
Deal found 3/7![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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
2 stops17h 22m
American Airlines
Sat 5/95:45 am
SJU
- BIL
2 stops18h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$529
One-way flights from Montana to Luis Munoz Marin IntlSearch for one-way flight options from Montana to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Montana to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/275:15 am
BZN
- SJU
2 stops13h 20m
Southwest
Deal found 3/8![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/83:20 pm
BZN
- SJU
2 stops15h 50m
Southwest
Deal found 3/7![Southwest logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 3/3010:37 am
BZN
- SJU
3 stops54h 18m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/711:20 am
BZN
- SJU
2 stops10h 20m
Southwest
Deal found 3/7![Southwest logo]()
$252
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/78:25 am
BZN
- SJU
1 stop12h 37m
American Airlines
Deal found 3/7![American Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 3/10. 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.
Thu 6/1811:15 am
BZN
- SJU
2 stops12h 05m
Southwest
Deal found 3/10![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/2810:05 am
BZN
- SJU
2 stops10h 30m
Southwest
Deal found 3/8![Southwest logo]()
$273
This Priceline deal was found by Cheapflights users on 3/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:44 am
BZN
- SJU
1 stop19h 10m
JetBlue
Deal found 3/10![JetBlue logo]()
$280
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 9/64:54 pm
BZN
- SJU
1 stop19h 16m
American Airlines
Deal found 3/9![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 6/186:44 am
BZN
- SJU
1 stop19h 41m
American Airlines
Deal found 3/10![American Airlines logo]()
$301
Find flight deals from Montana to Luis Munoz Marin Intl
Keep the following information in mind while searching for Montana to Luis Munoz Marin Intl flight deals. Data was last updated March 11, 2026.
Round-trip from | $490 (Southwest) |
|---|---|
One-way from | $217 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $591 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from Montana to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsSan Juan
BIL - SJU
BILSJU
Billings Logan Intl
Mon 4/20
6:00 am-11:02 pm
1 stop15h 02m
San Juan Luis Munoz Marin Intl
Fri 4/24
6:45 am-10:43 pm
1 stop17h 58m
$526
MissoulaSan Juan
MSO - SJU
MSOSJU
Missoula Johnson-Bell Field
Sun 5/3
6:15 am-5:38 pm
1 stop9h 23m
San Juan Luis Munoz Marin Intl
Thu 5/7
1:00 am-1:35 pm
2 stops14h 35m
$544
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Sun 9/6
11:00 am-12:30 am
2 stops11h 30m
San Juan Luis Munoz Marin Intl
Sat 9/12
5:05 am-3:35 pm
2 stops12h 30m
$546
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Tue 4/14
6:34 am-9:24 pm
2 stops12h 50m
San Juan Luis Munoz Marin Intl
Thu 4/16
1:00 am-1:34 pm
2 stops14h 34m
$554
MissoulaSan Juan
MSO - SJU
MSOSJU
Missoula Johnson-Bell Field
Mon 4/27
6:15 am-5:38 pm
1 stop9h 23m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 am-1:35 pm
2 stops14h 35m
$616
BillingsSan Juan
BIL - SJU
BILSJU
Billings Logan Intl
Mon 4/27
5:05 am-5:38 pm
1 stop10h 33m
San Juan Luis Munoz Marin Intl
Wed 4/29
7:20 am-10:05 pm
2 stops16h 45m
$616
BillingsSan Juan
BIL - SJU
BILSJU
Billings Logan Intl
Tue 4/28
1:51 pm-9:13 am
2 stops17h 22m
San Juan Luis Munoz Marin Intl
Sun 5/10
5:45 am-10:43 pm
2 stops18h 58m
$620
KalispellSan Juan
FCA - SJU
FCASJU
Kalispell Glacier Park
Sat 5/9
6:00 am-11:50 pm
2 stops15h 50m
San Juan Luis Munoz Marin Intl
Tue 5/12
1:00 am-1:31 pm
2 stops14h 31m
$626
BozemanSan Juan
BZN - SJU
BZNSJU
Bozeman Gallatin Field
Sat 4/11
2:55 pm-9:05 am
2 stops16h 10m
San Juan Luis Munoz Marin Intl
Sat 4/18
11:15 am-9:40 pm
2 stops12h 25m
$630
MissoulaSan Juan
MSO - SJU
MSOSJU
Missoula Johnson-Bell Field
Sun 8/16
1:51 pm-11:09 am
2 stops19h 18m
San Juan Luis Munoz Marin Intl
Sun 8/23
3:00 pm-11:28 pm
1 stop10h 28m
$634
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Montana to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Montana with our price prediction graph.
BIL-SJU
BZN-SJU
MSO-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 San Juan Luis Munoz Marin Intl Airport
USMT-SJU
BIL-SJU
BZN-SJU
MSO-SJU
FCA-SJU
What is the cheapest month to book a flight from Montana to San Juan Luis Munoz Marin Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $260). Flying from Montana to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
Montana and Luis Munoz Marin Intl flights
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Montana to Luis Munoz Marin Intl flights
Consider these flights traveling from Montana to Luis Munoz Marin Intl.
Top 2 airlines flying from Montana to Luis Munoz Marin Intl
Discover the top 2 airlines that operate flights from Montana to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$363 | Average$540 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$392 | Average$795 | FlexibilityNo cancel fee | On-time69% |