$233+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Juan with Cheapflights
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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 June 16, 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 June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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 8/2410:45 pm
PDX
- SJU
1 stop11h 05m
Southwest
Thu 8/278:55 pm
SJU
- PDX
2 stops17h 45m
Southwest
Deal found 6/11![Southwest logo]()
$436
This Southwest deal was found by Cheapflights users on 6/11. 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 9/107:35 pm
PDX
- SJU
2 stops10h 35m
Southwest
Thu 9/248:55 pm
SJU
- PDX
2 stops17h 45m
Southwest
Deal found 6/11![Southwest logo]()
$451
This Southwest deal was found by Cheapflights users on 6/11. 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 11/97:00 pm
PDX
- SJU
2 stops12h 45m
Southwest
Tue 11/175:45 am
SJU
- PDX
2 stops13h 15m
Southwest
Deal found 6/11![Southwest logo]()
$466
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/1211:34 pm
PDX
- SJU
1 stop20h 41m
American Airlines
Thu 8/2012:55 am
SJU
- PDX
1 stop20h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/195:59 am
PDX
- SJU
2 stops15h 00m
American Airlines
Wed 8/267:30 am
SJU
- PDX
1 stop15h 18m
American Airlines
Deal found 6/11![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/26:59 pm
PDX
- SJU
2 stops12h 51m
United Airlines
Fri 11/62:25 pm
SJU
- PDX
1 stop12h 13m
United Airlines
Deal found 6/11![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/145:00 am
PDX
- SJU
1 stop9h 38m
United Airlines
Wed 10/212:00 pm
SJU
- PDX
1 stop10h 10m
United Airlines
Deal found 6/12![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 6/13. 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 9/810:59 pm
PDX
- SJU
1 stop12h 51m
American Airlines
Sat 9/122:22 pm
SJU
- PDX
1 stop12h 06m
American Airlines
Deal found 6/13![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am
PDX
- SJU
1 stop9h 38m
United Airlines
Mon 10/122:00 pm
SJU
- PDX
1 stop11h 53m
United Airlines
Deal found 6/14![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Mon 8/37:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/15![American Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 6/15. 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 11/106:20 am
PDX
- SJU
2 stops11h 35m
Southwest
Tue 11/241:20 pm
SJU
- PDX
2 stops14h 05m
Southwest
Deal found 6/15![Southwest logo]()
$513
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 June 16, 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 June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 11/126:00 am
PDX
- SJU
2 stops13h 55m
Delta
Tue 11/172:05 pm
SJU
- PDX
2 stops13h 42m
Delta
Deal found 6/11![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 6/13. 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 11/95:15 am
PDX
- SJU
1 stop9h 10m
United Airlines
Tue 11/171:00 pm
SJU
- PDX
1 stop12h 21m
United Airlines
Deal found 6/13![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 11/97:00 pm
PDX
- SJU
2 stops12h 45m
Southwest
Tue 11/175:45 am
SJU
- PDX
2 stops13h 15m
Southwest
Deal found 6/15![Southwest logo]()
$466
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 9/2610:00 pm
PDX
- SJU
1 stop11h 13m
Delta
Sat 10/312:31 pm
SJU
- PDX
1 stop10h 55m
Delta
Deal found 6/15![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am
PDX
- SJU
2 stops15h 26m
Delta
Wed 11/111:55 pm
SJU
- PDX
1 stop12h 31m
Delta
Deal found 6/14![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 6/12. 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 8/115:50 am
PDX
- SJU
2 stops12h 15m
Southwest
Sat 8/1510:25 am
SJU
- PDX
2 stops14h 00m
Southwest
Deal found 6/12![Southwest logo]()
$531
This United Airlines deal was found by Cheapflights users on 6/15. 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 10/267:49 pm
PDX
- SJU
2 stops15h 51m
United Airlines
Fri 10/301:25 pm
SJU
- PDX
1 stop12h 13m
United Airlines
Deal found 6/15![United Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 6/11. 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 10/177:00 am
PDX
- SJU
1 stop13h 56m
Delta
Thu 10/2212:46 pm
SJU
- PDX
2 stops14h 05m
Delta
Deal found 6/11![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 6/15. 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 12/1111:30 pm
PDX
- SJU
1 stop11h 30m
Southwest
Tue 12/155:45 am
SJU
- PDX
2 stops13h 15m
Southwest
Deal found 6/15![Southwest logo]()
$546
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/27:07 pm
PDX
- SJU
2 stops13h 50m
United Airlines
Fri 9/111:00 am
SJU
- PDX
2 stops13h 28m
United Airlines
Deal found 6/13![United Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:04 am
PDX
- SJU
1 stop12h 55m
Delta
Tue 11/103:10 pm
SJU
- PDX
1 stop10h 43m
Delta
Deal found 6/14![Delta logo]()
$556
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated June 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/85:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Thu 7/167:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/11![American Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/1010:52 pm
PDX
- SJU
1 stop11h 53m
United Airlines
Tue 7/141:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/1010:52 pm
PDX
- SJU
1 stop10h 12m
United Airlines
Sun 7/191:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/12![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/1010:52 pm
PDX
- SJU
1 stop11h 53m
United Airlines
Mon 7/201:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Sat 7/257:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/15![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/145:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Tue 7/217:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/14![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/225:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Tue 7/287:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/13![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Mon 8/37:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/15![American Airlines logo]()
$503
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 June 16, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 pm
PDX
- SJU
2 stops16h 29m
United Airlines
Deal found 6/14![United Airlines logo]()
$233
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Deal found 6/15![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/155:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Deal found 6/11![American Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 6/13. 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 7/1110:10 am
PDX
- SJU
2 stops12h 10m
Southwest
Deal found 6/13![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/1111:40 pm
PDX
- SJU
1 stop12h 04m
United Airlines
Deal found 6/13![United Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 7/123:57 pm
PDX
- SJU
3 stops42h 58m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/12. 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 6/2910:40 pm
PDX
- SJU
1 stop11h 17m
American Airlines
Deal found 6/12![American Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 10/25:30 pm
PDX
- SJU
3 stops27h 27m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/2911:15 pm
PDX
- SJU
3 stops17h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 6/252:38 pm
PDX
- SJU
2 stops30h 59m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$382
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 June 16, 2026.
Round-trip from | $436 (Southwest) |
|---|---|
One-way from | $233 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $676 |
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 June 16, 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 11/12
6:00 am-11:55 pm
2 stops13h 55m
San Juan Luis Munoz Marin Intl
Tue 11/17
2:05 pm-11:47 pm
2 stops13h 42m
$466
Quickest round-trip
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 11/9
5:15 am-6:25 pm
1 stop9h 10m
San Juan Luis Munoz Marin Intl
Tue 11/17
1:00 pm-9:21 pm
1 stop12h 21m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 11/9
7:00 pm-11:45 am
2 stops12h 45m
San Juan Luis Munoz Marin Intl
Tue 11/17
5:45 am-3:00 pm
2 stops13h 15m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sat 9/26
10:00 pm-12:13 pm
1 stop11h 13m
San Juan Luis Munoz Marin Intl
Sat 10/31
2:31 pm-10:26 pm
1 stop10h 55m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 11/3
5:30 am-12:56 am
2 stops15h 26m
San Juan Luis Munoz Marin Intl
Wed 11/11
1:55 pm-10:26 pm
1 stop12h 31m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sat 10/17
7:00 am-11:56 pm
1 stop13h 56m
San Juan Luis Munoz Marin Intl
Thu 10/22
12:46 pm-11:51 pm
2 stops14h 05m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 8/11
5:50 am-9:05 pm
2 stops12h 15m
San Juan Luis Munoz Marin Intl
Sat 8/15
10:25 am-9:25 pm
2 stops14h 00m
$531
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 12/11
11:30 pm-3:00 pm
1 stop11h 30m
San Juan Luis Munoz Marin Intl
Tue 12/15
5:45 am-3:00 pm
2 stops13h 15m
$546
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 10/26
7:49 pm-2:40 pm
2 stops15h 51m
San Juan Luis Munoz Marin Intl
Fri 10/30
1:25 pm-10:38 pm
1 stop12h 13m
$556
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Wed 9/2
7:07 pm-11:57 am
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Fri 9/11
1:00 am-11:28 am
2 stops13h 28m
$556
Showing 1-10 of 21 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
What is the cheapest month to book a flight from Portland to San Juan?
Currently, September is the cheapest month in which you can book a flight from Portland to San Juan (average of $200). Flying from Portland to San Juan in August is currently the most expensive (average of $399). 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.
How much does it cost to fly round-trip from Portland to San Juan?
How far ahead should I book a flight from Portland to San Juan?
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 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 June 16, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
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Top 4 airlines flying from Portland to San Juan
Discover the top 4 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$399 | Average$640 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$498 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$418 | Average$595 | FlexibilityNo cancel fee | On-time69% |