$218+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Jul 9 — Jul 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 Portland to San Juan
Cheapest
Best
Last-minute
One-way
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 Jun 9, 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 Jun 9, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 8/247:00 pm
PDX
- SJU
2 stops13h 00m
Southwest
Isnin 8/315:00 am
SJU
- PDX
2 stops13h 00m
Southwest
Deal found 6/7![Southwest logo]()
$451
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 11/210:45 pm
PDX
- SJU
1 stop10h 56m
American Airlines
Rabu 12/28:18 am
SJU
- PDX
1 stop16h 49m
American Airlines
Deal found 6/8![American Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 11/910:55 pm
PDX
- SJU
1 stop11h 05m
Delta
Selasa 11/177:15 am
SJU
- PDX
2 stops15h 02m
Delta
Deal found 6/8![Delta logo]()
$466
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 8/125:15 am
PDX
- SJU
2 stops13h 40m
American Airlines
Khamis 8/2012:55 am
SJU
- PDX
1 stop20h 05m
American Airlines
Deal found 6/8![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 6/5. 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.
Isnin 10/1210:05 pm
PDX
- SJU
1 stop10h 51m
Delta
Selasa 10/207:00 am
SJU
- PDX
2 stops19h 52m
Delta
Deal found 6/5![Delta logo]()
$476
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 9/811:09 pm
PDX
- SJU
2 stops13h 31m
American Airlines
Sabtu 9/122:22 pm
SJU
- PDX
1 stop12h 06m
American Airlines
Deal found 6/7![American Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 8/126:45 am
PDX
- SJU
2 stops11h 20m
Southwest
Isnin 8/176:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/7![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 9/36:05 am
PDX
- SJU
2 stops13h 10m
Southwest
Isnin 9/76:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/4![Southwest logo]()
$508
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 8/211:15 pm
PDX
- SJU
1 stop11h 01m
Delta
Jumaat 9/1812:58 pm
SJU
- PDX
1 stop11h 47m
Delta
Deal found 6/8![Delta logo]()
$516
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 7/285:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Isnin 8/37:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Rabu 8/511:34 pm
PDX
- SJU
2 stops13h 29m
American Airlines
Selasa 8/1110:33 am
SJU
- PDX
2 stops15h 26m
American Airlines
Deal found 6/5![American Airlines logo]()
$521
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 Jun 9, 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 Jun 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 8/247:35 pm
PDX
- SJU
2 stops12h 25m
Southwest
Isnin 8/316:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/8![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/4. 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.
Rabu 10/287:00 am
PDX
- SJU
1 stop13h 56m
Delta
Sabtu 11/75:18 pm
SJU
- PDX
1 stop10h 29m
Delta
Deal found 6/4![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Khamis 10/2210:33 pm
PDX
- SJU
1 stop10h 24m
United Airlines
Jumaat 10/301:25 pm
SJU
- PDX
1 stop12h 13m
United Airlines
Deal found 6/5![United Airlines logo]()
$566
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 9/77:00 pm
PDX
- SJU
2 stops13h 00m
Southwest
Isnin 9/146:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/4![Southwest logo]()
$466
This Delta deal was found by Cheapflights users on 6/5. 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.
Khamis 10/1510:05 pm
PDX
- SJU
1 stop10h 51m
Delta
Sabtu 10/171:06 pm
SJU
- PDX
1 stop11h 21m
Delta
Deal found 6/5![Delta logo]()
$476
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 8/55:50 am
PDX
- SJU
2 stops12h 15m
Southwest
Rabu 8/1911:50 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/6![Southwest logo]()
$466
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 9/265:10 pm
PDX
- SJU
2 stops16h 03m
Delta
Sabtu 10/317:00 am
SJU
- PDX
2 stops15h 43m
Delta
Deal found 6/7![Delta logo]()
$476
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 9/2310:45 pm
PDX
- SJU
1 stop12h 45m
Southwest
Isnin 9/286:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/8![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 10/126:55 pm
PDX
- SJU
2 stops14h 02m
United Airlines
Selasa 10/132:00 pm
SJU
- PDX
1 stop10h 10m
United Airlines
Deal found 6/7![United Airlines logo]()
$589
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 11/98:10 pm
PDX
- SJU
2 stops11h 35m
Southwest
Selasa 11/175:45 am
SJU
- PDX
2 stops13h 15m
Southwest
Deal found 6/6![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 10/125:10 am
PDX
- SJU
2 stops12h 45m
Southwest
Selasa 10/135:35 am
SJU
- PDX
2 stops14h 10m
Southwest
Deal found 6/7![Southwest logo]()
$560
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated Jun 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated Jun 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Selasa 6/305:10 am
PDX
- SJU
2 stops13h 48m
American Airlines
Selasa 7/147:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/4![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 7/310:57 pm
PDX
- SJU
2 stops12h 50m
American Airlines
Khamis 7/97:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/7![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Jumaat 7/310:57 pm
PDX
- SJU
2 stops12h 50m
American Airlines
Jumaat 7/107:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/5![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 7/45:07 am
PDX
- SJU
1 stop15h 43m
American Airlines
Sabtu 7/117:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 7/1011:40 pm
PDX
- SJU
1 stop12h 04m
United Airlines
Isnin 7/131:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/7![United Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 7/2011:15 pm
PDX
- SJU
2 stops13h 32m
American Airlines
Jumaat 7/247:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/7![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 7/285:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Isnin 8/37:25 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Selasa 7/285:49 am
PDX
- SJU
1 stop14h 10m
American Airlines
Sabtu 8/156:00 am
SJU
- PDX
2 stops13h 51m
American Airlines
Deal found 6/4![American Airlines logo]()
$563
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 Jun 9, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated Jun 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 9/156:25 pm
PDX
- SJU
2 stops13h 35m
Southwest
Deal found 6/8![Southwest logo]()
$218
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 9/2410:00 pm
PDX
- SJU
1 stop11h 13m
Delta
Deal found 6/8![Delta logo]()
$233
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 10/1210:33 pm
PDX
- SJU
1 stop10h 24m
United Airlines
Deal found 6/7![United Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Rabu 11/2510:56 pm
PDX
- SJU
1 stop11h 44m
United Airlines
Deal found 6/4![United Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 6/9. 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.
Isnin 6/297:40 pm
PDX
- SJU
2 stops12h 50m
Southwest
Deal found 6/9![Southwest logo]()
$265
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 6/2910:59 pm
PDX
- SJU
2 stops13h 48m
American Airlines
Deal found 6/8![American Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 6/9. 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.
Jumaat 7/312:33 am
PDX
- SJU
1 stop11h 38m
Delta
Deal found 6/9![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Isnin 6/2912:40 am
PDX
- SJU
2 stops18h 18m
American Airlines
Deal found 6/9![American Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Khamis 7/23:57 pm
PDX
- SJU
2 stops45h 01m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 7/87:50 pm
PDX
- SJU
2 stops11h 55m
Southwest
Deal found 6/8![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 7/85:00 am
PDX
- SJU
1 stop9h 38m
United Airlines
Deal found 6/8![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 11/256:10 am
PDX
- SJU
2 stops11h 35m
Southwest
Deal found 6/4![Southwest logo]()
$308
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 Jun 9, 2026.
Round-trip from | $451 (Southwest) |
|---|---|
One-way from | $218 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $637 |
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 Jun 9, 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
Isnin 8/24
7:35 pm-11:00 am
2 stops12h 25m
San Juan Luis Munoz Marin Intl
Isnin 8/31
6:30 am-4:35 pm
2 stops13h 05m
$451
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Rabu 10/28
7:00 am-11:56 pm
1 stop13h 56m
San Juan Luis Munoz Marin Intl
Sabtu 11/7
5:18 pm-11:47 pm
1 stop10h 29m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Isnin 9/7
7:00 pm-11:00 am
2 stops13h 00m
San Juan Luis Munoz Marin Intl
Isnin 9/14
6:30 am-4:35 pm
2 stops13h 05m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Rabu 8/5
5:50 am-9:05 pm
2 stops12h 15m
San Juan Luis Munoz Marin Intl
Rabu 8/19
11:50 am-9:55 pm
2 stops13h 05m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Rabu 9/23
10:45 pm-2:30 pm
1 stop12h 45m
San Juan Luis Munoz Marin Intl
Isnin 9/28
6:30 am-4:35 pm
2 stops13h 05m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Isnin 11/9
8:10 pm-11:45 am
2 stops11h 35m
San Juan Luis Munoz Marin Intl
Selasa 11/17
5:45 am-3:00 pm
2 stops13h 15m
$466
Quickest round-trip
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Khamis 10/15
10:05 pm-11:56 am
1 stop10h 51m
San Juan Luis Munoz Marin Intl
Sabtu 10/17
1:06 pm-9:27 pm
1 stop11h 21m
$476
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sabtu 9/26
5:10 pm-12:13 pm
2 stops16h 03m
San Juan Luis Munoz Marin Intl
Sabtu 10/31
7:00 am-7:43 pm
2 stops15h 43m
$476
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Isnin 10/12
5:10 am-8:55 pm
2 stops12h 45m
San Juan Luis Munoz Marin Intl
Selasa 10/13
5:35 am-4:45 pm
2 stops14h 10m
$560
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Khamis 10/22
10:33 pm-11:57 am
1 stop10h 24m
San Juan Luis Munoz Marin Intl
Jumaat 10/30
1:25 pm-10:38 pm
1 stop12h 13m
$566
Showing 1-10 of 22 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 43 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 Jun 9, 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
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Portland to San Juan. 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to San Juan by cabin class
Find flights from Portland to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and San Juan flights
Browse other Portland and San Juan flight options. Last updated on Jun 9, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on Jun 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 Jun 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$399 | Average$641 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$498 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$418 | Average$592 | FlexibilityNo cancel fee | On-time69% |