$353+ Cheap flights from Alaska 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
May 4 — May 111
Round-trip
1 adult, Economy
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Find cheap flights from Alaska 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 Alaska to Puerto Rico
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Cheapest flights from Alaska to Puerto RicoExplore the most affordable flight options available from Alaska to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
Explore the most affordable flight options available from Alaska to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 10/611:40 pm
ANC
- SJU
2 stops16h 58m
United Airlines
Tue 10/137:00 am
SJU
- ANC
2 stops19h 39m
United Airlines
Deal found 4/3![United Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 4/3. 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.
Mon 7/132:41 pm
FAI
- SJU
2 stops18h 14m
Delta
Wed 7/227:35 am
SJU
- FAI
2 stops21h 00m
Delta
Deal found 4/3![Delta logo]()
$816
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:15 pm
ANC
- SJU
2 stops14h 33m
Delta
Wed 10/141:06 pm
SJU
- ANC
2 stops16h 29m
Delta
Deal found 4/2![Delta logo]()
$835
This Delta deal was found by Cheapflights users on 4/3. 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 7/151:35 am
FAI
- SJU
2 stops15h 10m
Delta
Wed 7/227:35 am
SJU
- FAI
2 stops21h 00m
Delta
Deal found 4/3![Delta logo]()
$836
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 9/92:20 pm
ANC
- SJU
2 stops17h 53m
Delta
Wed 10/217:30 am
SJU
- ANC
2 stops19h 06m
Delta
Deal found 4/1![Delta logo]()
$848
This Southwest deal was found by Cheapflights users on 4/1. 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.
Sun 9/611:15 pm
ANC
- SJU
2 stops19h 50m
Southwest
Sun 9/136:00 am
SJU
- ANC
2 stops21h 45m
Southwest
Deal found 4/1![Southwest logo]()
$850
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:30 pm
ANC
- SJU
1 stop11h 18m
Delta
Sat 10/1012:46 pm
SJU
- ANC
2 stops16h 49m
Delta
Deal found 4/2![Delta logo]()
$855
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/241:45 am
FAI
- SJU
2 stops17h 27m
Delta
Sat 5/27:15 am
SJU
- FAI
2 stops21h 25m
Delta
Deal found 4/1![Delta logo]()
$856
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:30 am
ANC
- SJU
2 stops18h 14m
Delta
Mon 10/1212:46 pm
SJU
- ANC
2 stops16h 49m
Delta
Deal found 4/2![Delta logo]()
$873
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:20 pm
ANC
- SJU
2 stops17h 48m
Delta
Thu 10/17:00 am
SJU
- ANC
2 stops22h 35m
Delta
Deal found 4/2![Delta logo]()
$875
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:15 pm
ANC
- SJU
2 stops14h 21m
Delta
Wed 10/147:30 am
SJU
- ANC
2 stops19h 06m
Delta
Deal found 4/2![Delta logo]()
$890
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:55 pm
ANC
- SJU
2 stops14h 36m
Delta
Mon 10/1212:46 pm
SJU
- ANC
2 stops16h 49m
Delta
Deal found 4/2![Delta logo]()
$893
Best flights from Alaska to Puerto RicoDiscover carefully curated flight deals from Alaska to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
Discover carefully curated flight deals from Alaska to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/241:45 am
FAI
- SJU
2 stops17h 27m
Delta
Sat 5/27:15 am
SJU
- FAI
2 stops21h 25m
Delta
Deal found 4/1![Delta logo]()
$856
This United Airlines deal was found by Cheapflights users on 4/2. 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 9/110:30 pm
ANC
- SJU
1 stop13h 12m
United Airlines
Thu 10/12:00 pm
SJU
- ANC
1 stop12h 39m
United Airlines
Deal found 4/2![United Airlines logo]()
$895
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 6/175:31 am
FAI
- SJU
2 stops18h 54m
American Airlines
Sun 6/285:30 am
SJU
- FAI
2 stops19h 16m
American Airlines
Deal found 4/4![American Airlines logo]()
$921
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:05 am
ANC
- SJU
2 stops25h 57m
Alaska Airlines
Wed 10/215:24 am
SJU
- ANC
3 stops19h 12m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$1,110
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:20 pm
ANC
- SJU
2 stops17h 48m
Delta
Thu 10/17:00 am
SJU
- ANC
2 stops22h 35m
Delta
Deal found 4/2![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 7/141:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Thu 7/231:40 pm
SJU
- FAI
1 stop13h 19m
United Airlines
Deal found 4/3![United Airlines logo]()
$946
This Delta deal was found by Cheapflights users on 4/3. 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.
Sun 7/192:41 pm
FAI
- SJU
2 stops18h 14m
Delta
Mon 7/2712:56 pm
SJU
- FAI
2 stops15h 39m
Delta
Deal found 4/3![Delta logo]()
$926
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/1312:29 am
ANC
- SJU
2 stops16h 22m
American Airlines
Fri 4/1711:38 am
SJU
- ANC
2 stops17h 01m
American Airlines
Deal found 3/31![American Airlines logo]()
$1,055
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Mon 4/2011:47 pm
ANC
- SJU
2 stops16h 47m
United Airlines
Wed 4/221:00 am
SJU
- ANC
2 stops22h 48m
United Airlines
Deal found 4/2![United Airlines logo]()
$987
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/188:30 pm
ANC
- SJU
2 stops14h 22m
American Airlines
Sun 5/311:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/30![American Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/161:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Thu 6/251:00 am
SJU
- FAI
2 stops22h 39m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,046
This Delta deal was found by Cheapflights users on 4/3. 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.
Mon 7/201:35 am
FAI
- SJU
2 stops16h 54m
Delta
Tue 7/2812:56 pm
SJU
- FAI
2 stops15h 39m
Delta
Deal found 4/3![Delta logo]()
$1,060
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:53 pm
FAI
- SJU
2 stops18h 27m
Alaska Airlines
Thu 4/2311:59 pm
SJU
- FAI
2 stops26h 54m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$1,292
This United Airlines deal was found by Cheapflights users on 4/3. 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 4/1811:47 pm
ANC
- SJU
2 stops16h 51m
United Airlines
Sun 5/37:40 am
SJU
- ANC
1 stop16h 26m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,082
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 5/265:30 am
FAI
- SJU
2 stops18h 55m
American Airlines
Sat 5/305:30 am
SJU
- FAI
2 stops19h 30m
American Airlines
Deal found 4/1![American Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 8/248:23 pm
FAI
- SJU
1 stop14h 21m
United Airlines
Wed 8/264:55 pm
SJU
- FAI
2 stops30h 21m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,083
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/251:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Sat 5/307:40 am
SJU
- FAI
2 stops19h 19m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,127
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Tue 6/161:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Sun 6/287:20 am
SJU
- FAI
2 stops43h 39m
United Airlines
Deal found 4/4![United Airlines logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/161:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Tue 6/301:40 pm
SJU
- FAI
1 stop13h 19m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 6/2911:09 pm
ANC
- CPX
2 stops38h 12m
United Airlines
Fri 7/310:48 am
CPX
- ANC
2 stops35h 53m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Mon 5/1811:49 pm
ANC
- VQS
2 stops36h 04m
United Airlines
Fri 5/227:49 pm
VQS
- ANC
2 stops43h 21m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,404
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/311:59 pm
ANC
- VQS
2 stops35h 54m
United Airlines
Sun 5/1010:37 am
VQS
- ANC
2 stops16h 08m
United Airlines
Deal found 4/3![United Airlines logo]()
$4,768
Last-minute flights from Alaska to Puerto RicoDiscover last-minute flight deals from Alaska to Puerto Rico. Data last updated April 4, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Puerto Rico. Data last updated April 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/1211:47 pm
ANC
- SJU
1 stop13h 51m
United Airlines
Thu 4/167:40 am
SJU
- ANC
2 stops19h 05m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,075
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/148:30 pm
ANC
- SJU
1 stop14h 12m
American Airlines
Fri 4/1711:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/31![American Airlines logo]()
$1,055
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/163:53 pm
FAI
- SJU
2 stops19h 42m
American Airlines
Mon 4/206:45 am
SJU
- FAI
2 stops19h 50m
American Airlines
Deal found 4/1![American Airlines logo]()
$1,056
This United Airlines deal was found by Cheapflights users on 4/3. 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 4/1811:47 pm
ANC
- SJU
2 stops16h 47m
United Airlines
Sat 5/21:00 am
SJU
- ANC
2 stops23h 06m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,082
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/188:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Sun 5/311:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/31![American Airlines logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Mon 4/2011:47 pm
ANC
- SJU
2 stops20h 03m
United Airlines
Thu 4/237:40 am
SJU
- ANC
1 stop16h 08m
United Airlines
Deal found 4/2![United Airlines logo]()
$987
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 4/228:30 pm
ANC
- SJU
1 stop14h 12m
American Airlines
Mon 4/2711:59 pm
SJU
- ANC
2 stops21h 28m
American Airlines
Deal found 4/4![American Airlines logo]()
$1,020
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Thu 4/238:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Mon 4/2711:59 pm
SJU
- ANC
2 stops21h 28m
American Airlines
Deal found 4/4![American Airlines logo]()
$1,015
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/241:45 am
FAI
- SJU
2 stops17h 27m
Delta
Sat 5/27:15 am
SJU
- FAI
2 stops21h 25m
Delta
Deal found 4/1![Delta logo]()
$856
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/3011:59 pm
ANC
- SJU
2 stops17h 25m
United Airlines
Thu 5/77:40 am
SJU
- ANC
1 stop13h 21m
United Airlines
Deal found 3/31![United Airlines logo]()
$815
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/308:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Thu 5/711:59 pm
SJU
- ANC
1 stop22h 51m
American Airlines
Deal found 3/31![American Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/251:20 am
FAI
- SJU
1 stop12h 18m
United Airlines
Sat 5/307:40 am
SJU
- FAI
2 stops19h 19m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,127
One-way flights from Alaska to Puerto RicoSearch for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
Search for one-way flight options from Alaska to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
This eDestinos deal was found by Cheapflights users on 4/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:05 am
ANC
- SJU
3 stops24h 56m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/251:20 am
FAI
- SJU
2 stops18h 30m
United Airlines
Deal found 4/1![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 6/129:53 pm
FAI
- SJU
1 stop13h 18m
Delta
Deal found 3/31![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 5/1211:49 pm
ANC
- SJU
1 stop13h 49m
United Airlines
Deal found 4/3![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 7/1811:55 pm
ANC
- SJU
2 stops16h 20m
Southwest
Deal found 3/31![Southwest logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:52 pm
FAI
- SJU
3 stops50h 37m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Sat 7/188:52 pm
ANC
- SJU
3 stops22h 37m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 7/189:55 pm
ANC
- SJU
1 stop21h 56m
American Airlines
Deal found 3/31![American Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/3011:59 pm
ANC
- SJU
2 stops17h 25m
United Airlines
Deal found 3/31![United Airlines logo]()
$1,053
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 7/311:26 am
ANC
- SJU
3 stops18h 14m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$1,241
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 7/311:57 am
ANC
- SJU
2 stops17h 43m
American Airlines
Deal found 3/31![American Airlines logo]()
$1,389
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/308:30 pm
ANC
- SJU
1 stop22h 32m
American Airlines
Deal found 3/31![American Airlines logo]()
$1,972
Find flight deals from Alaska to Puerto Rico
Keep the following information in mind while searching for Alaska to Puerto Rico flight deals. Data was last updated April 4, 2026.
Round-trip from | $815 (United Airlines) |
|---|---|
One-way from | $353 (eDestinos) |
Popular in | February |
Cheapest in | August |
Average price | $744 |
Cheapflights Fare Finder
Customize your flight search to find flights from Alaska 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 April 4, 2026.
Use the filters below to find and compare flights from Alaska to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Fri 4/24
1:45 am-11:12 pm
2 stops17h 27m
San Juan Luis Munoz Marin Intl
Sat 5/2
7:15 am-12:40 am
2 stops21h 25m
$856
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Tue 9/1
2:20 pm-12:08 pm
2 stops17h 48m
San Juan Luis Munoz Marin Intl
Thu 10/1
7:00 am-1:35 am
2 stops22h 35m
$875
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Tue 9/1
10:30 pm-3:42 pm
1 stop13h 12m
San Juan Luis Munoz Marin Intl
Thu 10/1
2:00 pm-10:39 pm
1 stop12h 39m
$895
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Wed 6/17
5:31 am-4:25 am
2 stops18h 54m
San Juan Luis Munoz Marin Intl
Sun 6/28
5:30 am-8:46 pm
2 stops19h 16m
$921
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Sun 7/19
2:41 pm-12:55 pm
2 stops18h 14m
San Juan Luis Munoz Marin Intl
Mon 7/27
12:56 pm-12:35 am
2 stops15h 39m
$926
Quickest round-trip
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Tue 7/14
1:20 am-5:38 pm
1 stop12h 18m
San Juan Luis Munoz Marin Intl
Thu 7/23
1:40 pm-10:59 pm
1 stop13h 19m
$946
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Mon 4/20
11:47 pm-8:34 pm
2 stops16h 47m
San Juan Luis Munoz Marin Intl
Wed 4/22
1:00 am-7:48 pm
2 stops22h 48m
$987
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Tue 6/16
1:20 am-5:38 pm
1 stop12h 18m
San Juan Luis Munoz Marin Intl
Thu 6/25
1:00 am-7:39 pm
2 stops22h 39m
$1,046
AnchorageSan Juan
ANC - SJU
ANCSJU
Anchorage
Mon 4/13
12:29 am-8:51 pm
2 stops16h 22m
San Juan Luis Munoz Marin Intl
Fri 4/17
11:38 am-12:39 am
2 stops17h 01m
$1,055
FairbanksSan Juan
FAI - SJU
FAISJU
Fairbanks
Mon 7/20
1:35 am-10:29 pm
2 stops16h 54m
San Juan Luis Munoz Marin Intl
Tue 7/28
12:56 pm-12:35 am
2 stops15h 39m
$1,060
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Alaska to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Alaska with our price prediction graph.
ANC-SJU
FAI-SJU
ANC-CPX
ANC-VQS
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 Alaska to Puerto Rico
USAK-PR0
ANC-SJU
FAI-SJU
ANC-CPX
ANC-VQS
What is the cheapest month to book a flight from Alaska to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $370). Flying from Alaska to Puerto Rico in January is currently the most expensive (average of $1,006). 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 Alaska 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Alaska 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 Alaska to Puerto Rico by cabin class
Find flights from Alaska to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alaska and Puerto Rico flights
Browse other Alaska and Puerto Rico flight options. Last updated on April 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Alaska to Puerto Rico flights
Consider these flights traveling from Alaska to Puerto Rico.
Top 3 airlines flying from Alaska to Puerto Rico
Discover the top 3 airlines that operate flights from Alaska 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 April 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$496 | Average$914 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$794 | Average$904 | FlexibilityNo cancel fee | On-time71% |