$162+ Cheap flights from Portland (PDX) to San Juan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Juan 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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Cheapest flights from Portland to San JuanExplore the most affordable flight options available from Portland to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
Explore the most affordable flight options available from Portland to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
This Southwest deal was found by Cheapflights users on 3/15. 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 9/226:25 pm
PDX
- SJU
2 stops13h 35m
Southwest
Wed 9/231:45 pm
SJU
- PDX
2 stops12h 10m
Southwest
Deal found 3/15![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 3/14. 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 4/286:30 am
PDX
- SJU
2 stops13h 10m
Southwest
Tue 5/1211:25 am
SJU
- PDX
2 stops13h 35m
Southwest
Deal found 3/14![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 3/17. 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 9/1110:45 pm
PDX
- SJU
1 stop11h 25m
Southwest
Thu 9/1710:00 am
SJU
- PDX
2 stops13h 45m
Southwest
Deal found 3/17![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 3/17. 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 4/145:40 am
PDX
- SJU
2 stops12h 25m
Southwest
Thu 4/232:00 pm
SJU
- PDX
2 stops13h 10m
Southwest
Deal found 3/17![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 3/15. 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 5/111:55 pm
PDX
- SJU
2 stops14h 40m
Southwest
Sat 5/91:10 pm
SJU
- PDX
1 stop10h 15m
Southwest
Deal found 3/15![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:56 pm
PDX
- SJU
1 stop12h 48m
United Airlines
Fri 4/243:56 pm
SJU
- PDX
1 stop11h 03m
United Airlines
Deal found 3/18![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 3/17. 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 8/1010:45 pm
PDX
- SJU
1 stop11h 05m
Southwest
Mon 8/176:00 am
SJU
- PDX
2 stops13h 35m
Southwest
Deal found 3/17![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 3/17. 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 5/811:55 pm
PDX
- SJU
1 stop10h 25m
Southwest
Fri 5/156:50 am
SJU
- PDX
2 stops16h 20m
Southwest
Deal found 3/17![Southwest logo]()
$480
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/1510:23 pm
PDX
- SJU
1 stop19h 28m
American Airlines
Thu 4/3011:43 am
SJU
- PDX
1 stop15h 10m
American Airlines
Deal found 3/17![American Airlines logo]()
$481
This eDestinos deal was found by Cheapflights users on 3/17. 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 4/2112:38 pm
PDX
- SJU
3 stops34h 23m
Multiple Airlines
Sun 5/33:21 am
SJU
- PDX
2 stops44h 14m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 3/15. 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 7/107:55 pm
PDX
- SJU
2 stops11h 35m
Southwest
Mon 7/205:30 am
SJU
- PDX
1 stop13h 50m
Southwest
Deal found 3/15![Southwest logo]()
$490
Best flights from Portland to San JuanDiscover carefully curated flight deals from Portland to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
Discover carefully curated flight deals from Portland to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
This Southwest deal was found by Cheapflights users on 3/17. 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 7/95:55 am
PDX
- SJU
2 stops12h 35m
Southwest
Mon 7/135:30 am
SJU
- PDX
1 stop13h 50m
Southwest
Deal found 3/17![Southwest logo]()
$478
This Delta deal was found by Cheapflights users on 3/15. 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 5/45:05 pm
PDX
- SJU
2 stops15h 40m
Delta
Fri 5/86:15 am
SJU
- PDX
2 stops20h 29m
Delta
Deal found 3/15![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/275:35 pm
PDX
- SJU
2 stops18h 09m
United Airlines
Fri 5/13:56 pm
SJU
- PDX
1 stop11h 03m
United Airlines
Deal found 3/15![United Airlines logo]()
$583
This Southwest deal was found by Cheapflights users on 3/17. 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 8/1010:45 pm
PDX
- SJU
1 stop11h 05m
Southwest
Mon 8/175:30 am
SJU
- PDX
1 stop12h 30m
Southwest
Deal found 3/17![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 3/15. 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 7/307:40 pm
PDX
- SJU
2 stops12h 05m
Southwest
Sat 8/158:20 am
SJU
- PDX
2 stops14h 40m
Southwest
Deal found 3/15![Southwest logo]()
$490
This Southwest deal was found by Cheapflights users on 3/14. 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 5/139:45 am
PDX
- SJU
2 stops10h 55m
Southwest
Wed 5/2011:25 am
SJU
- PDX
2 stops14h 35m
Southwest
Deal found 3/14![Southwest logo]()
$515
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/298:05 am
PDX
- SJU
1 stop10h 19m
United Airlines
Wed 5/61:40 pm
SJU
- PDX
1 stop12h 14m
United Airlines
Deal found 3/17![United Airlines logo]()
$638
This Southwest deal was found by Cheapflights users on 3/14. 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 5/1511:55 pm
PDX
- SJU
2 stops14h 40m
Southwest
Wed 5/2711:25 am
SJU
- PDX
2 stops13h 35m
Southwest
Deal found 3/14![Southwest logo]()
$578
This Southwest deal was found by Cheapflights users on 3/14. 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 6/187:55 pm
PDX
- SJU
2 stops11h 50m
Southwest
Mon 6/226:30 am
SJU
- PDX
2 stops12h 50m
Southwest
Deal found 3/14![Southwest logo]()
$616
This Southwest deal was found by Cheapflights users on 3/14. 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 6/197:40 pm
PDX
- SJU
2 stops11h 50m
Southwest
Mon 6/226:30 am
SJU
- PDX
2 stops12h 50m
Southwest
Deal found 3/14![Southwest logo]()
$641
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated March 19, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/17. 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 4/145:40 am
PDX
- SJU
2 stops12h 25m
Southwest
Thu 4/232:00 pm
SJU
- PDX
2 stops13h 10m
Southwest
Deal found 3/17![Southwest logo]()
$456
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/1510:23 pm
PDX
- SJU
1 stop19h 28m
American Airlines
Thu 4/3011:43 am
SJU
- PDX
1 stop15h 10m
American Airlines
Deal found 3/17![American Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:56 pm
PDX
- SJU
1 stop12h 48m
United Airlines
Fri 4/243:56 pm
SJU
- PDX
1 stop11h 03m
United Airlines
Deal found 3/18![United Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/2012:59 am
PDX
- SJU
1 stop19h 03m
American Airlines
Mon 5/410:03 am
SJU
- PDX
1 stop16h 50m
American Airlines
Deal found 3/17![American Airlines logo]()
$502
This eDestinos deal was found by Cheapflights users on 3/17. 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 4/2112:38 pm
PDX
- SJU
3 stops34h 23m
Multiple Airlines
Sun 5/33:21 am
SJU
- PDX
2 stops44h 14m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 3/15. 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 4/2712:30 am
PDX
- SJU
2 stops16h 54m
Delta
Fri 5/86:15 am
SJU
- PDX
2 stops20h 29m
Delta
Deal found 3/15![Delta logo]()
$493
This Southwest deal was found by Cheapflights users on 3/14. 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 4/286:30 am
PDX
- SJU
2 stops13h 10m
Southwest
Tue 5/1211:25 am
SJU
- PDX
2 stops13h 35m
Southwest
Deal found 3/14![Southwest logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/2911:40 pm
PDX
- SJU
1 stop20h 22m
American Airlines
Tue 5/123:08 pm
SJU
- PDX
1 stop11h 48m
American Airlines
Deal found 3/14![American Airlines logo]()
$498
One-way flights from Portland to San JuanSearch for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/2512:27 pm
PDX
- SJU
2 stops26h 40m
Frontier
Deal found 3/14![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/2812:38 pm
PDX
- SJU
2 stops32h 51m
Frontier
Deal found 3/16![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/2112:38 pm
PDX
- SJU
2 stops26h 21m
Frontier
Deal found 3/15![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 5/212:27 pm
PDX
- SJU
3 stops34h 39m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- SJU
2 stops35h 13m
Frontier
Deal found 3/18![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/2812:38 pm
PDX
- SJU
3 stops31h 32m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 3/14. 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 4/286:30 am
PDX
- SJU
2 stops13h 10m
Southwest
Deal found 3/14![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 3/15. 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 5/27:40 pm
PDX
- SJU
2 stops10h 25m
Southwest
Deal found 3/15![Southwest logo]()
$223
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:18 pm
PDX
- SJU
1 stop13h 58m
JetBlue
Deal found 3/17![JetBlue logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/2512:27 pm
PDX
- SJU
3 stops27h 55m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/217:00 am
PDX
- SJU
1 stop10h 34m
United Airlines
Deal found 3/15![United Airlines logo]()
$238
Find flight deals from Portland to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2026.
Round-trip from | $444 (Southwest) |
|---|---|
One-way from | $162 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $683 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to San Juan 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 19, 2026.
Use the filters below to find and compare flights from Portland to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Thu 7/9
5:55 am-9:30 pm
2 stops12h 35m
San Juan Luis Munoz Marin Intl
Mon 7/13
5:30 am-4:20 pm
1 stop13h 50m
$478
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 8/10
10:45 pm-12:50 pm
1 stop11h 05m
San Juan Luis Munoz Marin Intl
Mon 8/17
5:30 am-3:00 pm
1 stop12h 30m
$478
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Thu 7/30
7:40 pm-10:45 am
2 stops12h 05m
San Juan Luis Munoz Marin Intl
Sat 8/15
8:20 am-8:00 pm
2 stops14h 40m
$490
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 5/4
5:05 pm-11:45 am
2 stops15h 40m
San Juan Luis Munoz Marin Intl
Fri 5/8
6:15 am-11:44 pm
2 stops20h 29m
$510
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Wed 5/13
9:45 am-11:40 pm
2 stops10h 55m
San Juan Luis Munoz Marin Intl
Wed 5/20
11:25 am-11:00 pm
2 stops14h 35m
$515
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 5/15
11:55 pm-5:35 pm
2 stops14h 40m
San Juan Luis Munoz Marin Intl
Wed 5/27
11:25 am-10:00 pm
2 stops13h 35m
$578
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 4/27
5:35 pm-2:44 pm
2 stops18h 09m
San Juan Luis Munoz Marin Intl
Fri 5/1
3:56 pm-11:59 pm
1 stop11h 03m
$583
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Thu 6/18
7:55 pm-10:45 am
2 stops11h 50m
San Juan Luis Munoz Marin Intl
Mon 6/22
6:30 am-4:20 pm
2 stops12h 50m
$616
Quickest round-trip
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Wed 4/29
8:05 am-9:24 pm
1 stop10h 19m
San Juan Luis Munoz Marin Intl
Wed 5/6
1:40 pm-10:54 pm
1 stop12h 14m
$638
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 6/19
7:40 pm-10:30 am
2 stops11h 50m
San Juan Luis Munoz Marin Intl
Mon 6/22
6:30 am-4:20 pm
2 stops12h 50m
$641
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Portland to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Portland with our price prediction graph.
PDX-PR1
PDX-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 Portland to San Juan
PDX-PR1
PDX-SJU
How far ahead should I book a flight from Portland to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Portland to San Juan. Price data was last updated on March 13, 2026.
The price you pay for your flight from Portland to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland to San Juan?
Currently, August is the cheapest month in which you can book a flight from Portland to San Juan (average of $185). Flying from Portland to San Juan in January is currently the most expensive (average of $411). 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.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated March 19, 2026.
Read through reviews of airlines operating flights from Portland to San Juan, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
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Top 6 airlines flying from Portland to San Juan
Discover the top 6 airlines that operate flights from Portland to San Juan. 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$369 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$235 | Average$480 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$241 | Average$415 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$399 | Average$586 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$399 | Average$632 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$566 | FlexibilityNo cancel fee | On-time63% |