$418+ Cheap flights from Alaska to Puerto Rico
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SJU
Oct 4 — Oct 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 September 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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/198:59 pm -
2 stops22h 51m
Wed 10/211:00 am -
2 stops22h 57m
Deal found 9/3![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/38:43 pm -
1 stop13h 57m
Wed 11/117:40 am -
2 stops20h 16m
Deal found 9/2![United Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 9/3. 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 10/182:24 pm -
2 stops19h 25m
Mon 11/28:15 am -
2 stops17h 44m
Deal found 9/3![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 pm -
2 stops16h 53m
Sun 11/18:05 am -
2 stops16h 34m
Deal found 9/1![United Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/188:59 pm -
2 stops22h 51m
Mon 11/24:55 pm -
1 stop31h 44m
Deal found 9/3![United Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 8/31. 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.
Tue 9/291:32 am -
2 stops18h 17m
Wed 10/76:45 am -
2 stops17h 56m
Deal found 8/31![Delta logo]()
$855
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:45 pm -
2 stops16h 53m
Fri 10/301:35 pm -
3 stops34h 04m
Deal found 9/2![United Airlines logo]()
$857
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:45 pm -
2 stops16h 53m
Thu 10/82:00 pm -
1 stop12h 43m
Deal found 9/3![United Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 8/31. 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 9/182:30 pm -
2 stops18h 46m
Sat 10/37:30 am -
2 stops21h 00m
Deal found 8/31![Delta logo]()
$1,310
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/1812:03 pm -
3 stops17h 21m
Sat 10/310:16 am -
3 stops19h 21m
Deal found 8/31![American Airlines logo]()
$1,839
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/308:59 pm -
2 stops16h 22m
Sun 10/410:48 am -
2 stops15h 55m
Deal found 9/3![United Airlines logo]()
$1,893
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/308:59 pm -
2 stops17h 31m
Sun 10/49:55 am -
2 stops16h 48m
Deal found 9/2![United Airlines logo]()
$4,621
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 September 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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/2811:45 pm -
2 stops16h 53m
Mon 10/52:00 pm -
1 stop12h 43m
Deal found 8/30![United Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 8/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:05 pm -
2 stops20h 44m
Mon 11/28:15 am -
2 stops17h 44m
Deal found 8/30![Delta logo]()
$805
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 1/313:59 pm -
2 stops43h 18m
Thu 2/45:07 pm -
2 stops47h 10m
Deal found 8/31![Alaska Airlines logo]()
$1,282
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/311:59 pm -
1 stop13h 26m
Wed 11/112:21 pm -
1 stop13h 35m
Deal found 9/2![United Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:05 pm -
2 stops20h 44m
Fri 10/307:15 am -
2 stops17h 44m
Deal found 9/4![Delta logo]()
$825
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/1812:03 pm -
3 stops17h 21m
Sat 10/310:16 am -
3 stops19h 21m
Deal found 8/31![American Airlines logo]()
$1,839
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/188:59 pm -
2 stops22h 51m
Mon 11/24:55 pm -
1 stop31h 44m
Deal found 9/3![United Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 8/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/139:55 pm -
1 stop13h 15m
Sat 2/206:15 am -
2 stops19h 48m
Deal found 8/30![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:45 pm -
1 stop13h 53m
Fri 10/301:35 pm -
3 stops34h 04m
Deal found 9/2![United Airlines logo]()
$857
This Delta deal was found by Cheapflights users on 8/31. 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 9/182:30 pm -
2 stops18h 46m
Sat 10/37:30 am -
2 stops21h 00m
Deal found 8/31![Delta logo]()
$1,310
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 9/308:59 pm -
2 stops16h 22m
Sun 10/410:48 am -
2 stops15h 55m
Deal found 8/30![United Airlines logo]()
$1,893
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/308:59 pm -
2 stops17h 31m
Sun 10/49:55 am -
2 stops16h 48m
Deal found 9/2![United Airlines logo]()
$4,621
Last-minute flights from Alaska to Puerto RicoDiscover last-minute flight deals from Alaska to Puerto Rico. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Puerto Rico. Data last updated September 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/31. 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 9/182:30 pm -
2 stops18h 46m
Sat 10/37:30 am -
2 stops21h 00m
Deal found 8/31![Delta logo]()
$1,310
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/1812:03 pm -
3 stops17h 21m
Sat 10/310:16 am -
3 stops19h 21m
Deal found 8/31![American Airlines logo]()
$1,839
This Delta deal was found by Cheapflights users on 8/31. 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.
Tue 9/291:32 am -
2 stops18h 17m
Wed 10/76:45 am -
2 stops17h 56m
Deal found 8/31![Delta logo]()
$855
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/308:59 pm -
2 stops16h 22m
Sun 10/410:48 am -
2 stops15h 55m
Deal found 9/3![United Airlines logo]()
$1,893
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/308:59 pm -
2 stops17h 31m
Sun 10/49:55 am -
2 stops16h 48m
Deal found 9/2![United Airlines logo]()
$4,621
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:45 pm -
2 stops16h 53m
Thu 10/82:00 pm -
1 stop12h 43m
Deal found 9/3![United Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 9/3. 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 10/182:24 pm -
2 stops19h 25m
Mon 11/28:15 am -
2 stops17h 44m
Deal found 9/3![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/188:59 pm -
2 stops22h 51m
Mon 11/24:55 pm -
1 stop31h 44m
Deal found 9/3![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/198:59 pm -
2 stops22h 51m
Wed 10/211:00 am -
2 stops22h 57m
Deal found 9/3![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 pm -
1 stop13h 53m
Sun 11/18:05 am -
2 stops16h 34m
Deal found 9/1![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:45 pm -
2 stops16h 53m
Fri 10/301:35 pm -
3 stops34h 04m
Deal found 9/2![United Airlines logo]()
$857
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 September 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 September 4, 2026.
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:50 am -
2 stops16h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$418
This eDestinos deal was found by Cheapflights users on 9/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:17 pm -
3 stops43h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:54 pm -
2 stops18h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/3011:45 pm -
1 stop13h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 9/1310:19 pm -
1 stop13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:54 pm -
2 stops18h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/1410:19 pm -
1 stop12h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$790
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 September 4, 2026.
Round-trip from | $803 (United Airlines) |
|---|---|
One-way from | $418 (Delta) |
Popular in | November |
Cheapest in | August |
Average price | $964 |
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 7,457,451 searches. Data last updated September 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 Fairbanks - SJU San Juan Luis Munoz Marin Intl
FAISJU
Fairbanks
Sat 11/7
1:50 am-11:18 pm
2 stops16h 28m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$418
Quickest round-trip
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Mon 9/14
10:19 pm-3:12 pm
1 stop12h 53m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$790
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Sun 9/13
10:19 pm-3:42 pm
1 stop13h 23m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$790
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Mon 9/28
11:45 pm-8:38 pm
2 stops16h 53m
San Juan Luis Munoz Marin Intl
Mon 10/5
2:00 pm-10:43 pm
1 stop12h 43m
$805
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Sun 10/18
4:05 pm-4:49 pm
2 stops20h 44m
San Juan Luis Munoz Marin Intl
Mon 11/2
8:15 am-8:59 pm
2 stops17h 44m
$805
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Tue 11/3
11:59 pm-6:25 pm
1 stop13h 26m
San Juan Luis Munoz Marin Intl
Wed 11/11
2:21 pm-10:56 pm
1 stop13h 35m
$805
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Thu 10/22
4:05 pm-4:49 pm
2 stops20h 44m
San Juan Luis Munoz Marin Intl
Fri 10/30
7:15 am-8:59 pm
2 stops17h 44m
$825
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Sun 10/18
8:59 pm-11:50 pm
2 stops22h 51m
San Juan Luis Munoz Marin Intl
Mon 11/2
4:55 pm-7:39 pm
1 stop31h 44m
$853
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Thu 10/22
11:45 pm-5:38 pm
1 stop13h 53m
San Juan Luis Munoz Marin Intl
Fri 10/30
1:35 pm-7:39 pm
3 stops34h 04m
$857
AnchorageSan Juan
ANC Anchorage - SJU San Juan Luis Munoz Marin Intl
ANCSJU
Anchorage
Sat 2/13
9:55 pm-4:10 pm
1 stop13h 15m
San Juan Luis Munoz Marin Intl
Sat 2/20
6:15 am-9:03 pm
2 stops19h 48m
$875
Showing 1-10 of 16 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, August is the cheapest month in which you can book a flight from Alaska to Puerto Rico (average of $623). Flying from Alaska to Puerto Rico in November is currently the most expensive (average of $1,708). 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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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 September 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 2 airlines flying from Alaska to Puerto Rico
Discover the top 2 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$924 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$794 | FlexibilityNo cancel fee | On-time69% |