$644+ Cheap flights from Kalispell (FCA) 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJU
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Kalispell 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 Kalispell to Puerto Rico
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Cheapest flights from Kalispell to Puerto RicoExplore the most affordable flight options available from Kalispell to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Kalispell to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 10/256:14 am -
1 stop9h 11m
Wed 10/287:05 am -
2 stops16h 46m
Deal found 8/10![United Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/114:50 pm -
2 stops21h 21m
Sun 8/167:24 pm -
2 stops21h 10m
Deal found 8/10![American Airlines logo]()
$1,282
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/124:50 pm -
2 stops20h 01m
Sun 8/167:24 pm -
2 stops21h 10m
Deal found 8/10![American Airlines logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sun 11/226:14 am -
1 stop9h 11m
Sat 11/285:50 pm -
2 stops31h 01m
Deal found 8/8![United Airlines logo]()
$1,302
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/104:50 pm -
2 stops19h 48m
Sun 8/167:24 pm -
2 stops22h 46m
Deal found 8/7![American Airlines logo]()
$1,337
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/104:50 pm -
2 stops21h 21m
Tue 8/187:24 pm -
2 stops19h 18m
Deal found 8/7![American Airlines logo]()
$1,393
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/103:24 pm -
2 stops21h 14m
Fri 8/143:28 pm -
2 stops22h 12m
Deal found 8/6![American Airlines logo]()
$1,414
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/114:50 pm -
2 stops21h 21m
Wed 8/197:24 pm -
2 stops19h 18m
Deal found 8/7![American Airlines logo]()
$1,428
Best flights from Kalispell to Puerto RicoDiscover carefully curated flight deals from Kalispell to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Kalispell to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 10/256:14 am -
1 stop9h 11m
Wed 10/287:05 am -
2 stops16h 46m
Deal found 8/10![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/96:10 pm -
2 stops15h 55m
Sun 1/176:15 am -
2 stops19h 52m
Deal found 8/6![Delta logo]()
$925
This United Airlines deal was found by Cheapflights users on 8/8. 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 2/16:31 am -
1 stop8h 54m
Wed 2/38:10 am -
2 stops16h 20m
Deal found 8/8![United Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 8/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:10 pm -
2 stops19h 40m
Sun 1/177:30 am -
2 stops18h 37m
Deal found 8/8![Delta logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 1/96:31 am -
2 stops15h 05m
Sun 1/172:25 pm -
1 stop10h 05m
Deal found 8/6![United Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sun 11/226:14 am -
1 stop9h 11m
Sat 11/285:50 pm -
2 stops31h 01m
Deal found 8/8![United Airlines logo]()
$1,302
Last-minute flights from Kalispell to Puerto RicoDiscover last-minute flight deals from Kalispell to Puerto Rico. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Puerto Rico. Data last updated August 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/104:50 pm -
2 stops19h 48m
Sun 8/167:24 pm -
2 stops22h 46m
Deal found 8/7![American Airlines logo]()
$1,337
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/104:50 pm -
2 stops21h 21m
Tue 8/187:24 pm -
2 stops19h 18m
Deal found 8/7![American Airlines logo]()
$1,393
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/103:24 pm -
2 stops21h 14m
Fri 8/143:28 pm -
2 stops22h 12m
Deal found 8/6![American Airlines logo]()
$1,414
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/114:50 pm -
2 stops21h 21m
Sun 8/167:24 pm -
2 stops21h 10m
Deal found 8/10![American Airlines logo]()
$1,282
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/114:50 pm -
2 stops21h 21m
Wed 8/197:24 pm -
2 stops19h 18m
Deal found 8/7![American Airlines logo]()
$1,428
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/124:50 pm -
2 stops20h 01m
Sun 8/167:24 pm -
2 stops21h 10m
Deal found 8/10![American Airlines logo]()
$1,287
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 8/124:50 pm -
2 stops17h 50m
Wed 8/197:24 pm -
2 stops19h 18m
Deal found 8/7![American Airlines logo]()
$1,433
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 8/134:50 pm -
2 stops18h 34m
Tue 8/1812:55 am -
1 stop17h 15m
Deal found 8/7![American Airlines logo]()
$1,523
One-way flights from Kalispell to Puerto RicoSearch for one-way flight options from Kalispell to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Kalispell to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/244:50 pm -
2 stops19h 48m
Deal found 8/10![American Airlines logo]()
$644
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/174:50 pm -
2 stops19h 48m
Deal found 8/7![American Airlines logo]()
$672
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 8/164:50 pm -
2 stops21h 21m
Deal found 8/7![American Airlines logo]()
$702
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/234:50 pm -
2 stops20h 01m
Deal found 8/10![American Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/173:58 pm -
1 stop20h 46m
Deal found 8/7![United Airlines logo]()
$1,468
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 8/166:20 am -
3 stops15h 30m
Deal found 8/7![United Airlines logo]()
$1,637
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:08 pm -
3 stops31h 07m
Deal found 8/10![Alaska Airlines logo]()
$1,749
Find flight deals from Kalispell to Puerto Rico
Keep the following information in mind while searching for Kalispell to Puerto Rico flight deals. Data was last updated August 11, 2026.
Round-trip from | $697 (Delta) |
|---|---|
One-way from | $644 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Kalispell 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 August 11, 2026.
Use the filters below to find and compare flights from Kalispell to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Sun 10/25
6:14 am-5:25 pm
1 stop9h 11m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:05 am-9:51 pm
2 stops16h 46m
$728
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Mon 2/1
6:31 am-6:25 pm
1 stop8h 54m
San Juan Luis Munoz Marin Intl
Wed 2/3
8:10 am-9:30 pm
2 stops16h 20m
$805
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Sat 1/9
6:10 pm-1:05 pm
2 stops15h 55m
San Juan Luis Munoz Marin Intl
Sun 1/17
6:15 am-11:07 pm
2 stops19h 52m
$925
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Thu 1/7
6:10 pm-4:50 pm
2 stops19h 40m
San Juan Luis Munoz Marin Intl
Sun 1/17
7:30 am-11:07 pm
2 stops18h 37m
$1,092
Quickest round-trip
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Sat 1/9
6:31 am-12:36 am
2 stops15h 05m
San Juan Luis Munoz Marin Intl
Sun 1/17
2:25 pm-9:30 pm
1 stop10h 05m
$1,233
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Sun 11/22
6:14 am-6:25 pm
1 stop9h 11m
San Juan Luis Munoz Marin Intl
Sat 11/28
5:50 pm-9:51 pm
2 stops31h 01m
$1,302
Cheapest one-way
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Mon 8/24
4:50 pm-2:38 pm
2 stops19h 48m
$644
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Mon 8/17
4:50 pm-11:15 pm
1 stop28h 25m
$1,004
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Sun 8/16
4:50 pm-11:15 pm
1 stop28h 25m
$1,042
KalispellSan Juan
FCA Kalispell Glacier Park - SJU San Juan Luis Munoz Marin Intl
FCASJU
Kalispell Glacier Park
Mon 8/17
3:58 pm-2:44 pm
1 stop20h 46m
$1,468
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Kalispell to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Kalispell with our price prediction graph.
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 Kalispell to Puerto Rico
FCA-PR0
FCA-SJU
No data available for this route at this time. Please check back soon.
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