$160+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Oct 1 — Oct 81
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
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 September 1, 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 September 1, 2026.
This Southwest deal was found by Cheapflights users on 8/27. 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 11/75:55 am -
2 stops11h 20m
Fri 11/1312:40 pm -
2 stops14h 00m
Deal found 8/27![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/27. 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 11/411:00 pm -
1 stop19h 39m
Wed 11/118:30 am -
1 stop17h 29m
Deal found 8/27![American Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/27. 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 10/267:35 pm -
2 stops10h 35m
Fri 10/3010:10 am -
2 stops13h 35m
Deal found 8/27![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:08 pm -
2 stops13h 32m
Sat 10/316:30 am -
2 stops13h 33m
Deal found 8/28![American Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 8/27. 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 10/237:50 pm -
2 stops13h 20m
Mon 10/265:00 am -
2 stops12h 20m
Deal found 8/27![Southwest logo]()
$464
This Delta deal was found by Cheapflights users on 8/28. 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 11/125:30 am -
2 stops14h 24m
Tue 11/177:00 am -
2 stops14h 10m
Deal found 8/28![Delta logo]()
$466
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 12/411:09 pm -
1 stop11h 46m
Sat 12/128:30 am -
1 stop17h 29m
Deal found 8/31![American Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 8/27. 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 12/106:00 am -
2 stops13h 20m
Mon 12/214:20 pm -
2 stops12h 10m
Deal found 8/27![Southwest logo]()
$486
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.
Tue 11/177:00 am -
1 stop10h 24m
Wed 11/188:25 am -
2 stops13h 44m
Deal found 8/31![United Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/2310:55 pm -
2 stops13h 06m
Thu 10/292:27 pm -
1 stop11h 38m
Deal found 8/28![American Airlines logo]()
$506
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 September 1, 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 September 1, 2026.
This Southwest deal was found by Cheapflights users on 8/27. 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 11/75:55 am -
2 stops11h 20m
Fri 11/1312:40 pm -
2 stops14h 00m
Deal found 8/27![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 8/27. 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 10/235:49 pm -
2 stops15h 16m
Thu 10/2912:55 pm -
2 stops14h 04m
Deal found 8/27![Delta logo]()
$466
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.
Tue 11/177:00 am -
1 stop10h 24m
Wed 11/188:25 am -
2 stops13h 44m
Deal found 8/31![United Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 8/27. 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 10/267:35 pm -
2 stops10h 35m
Fri 10/3010:10 am -
2 stops13h 35m
Deal found 8/27![Southwest logo]()
$394
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.
Tue 10/2011:30 pm -
1 stop12h 14m
Tue 10/277:25 am -
2 stops13h 44m
Deal found 8/31![United Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 8/27. 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 10/237:50 pm -
2 stops13h 20m
Mon 10/265:00 am -
2 stops12h 20m
Deal found 8/27![Southwest logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/15:00 am -
1 stop9h 38m
Sun 10/41:00 am -
2 stops15h 15m
Deal found 8/28![United Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 8/29. 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 9/2811:30 pm -
2 stops11h 00m
Mon 10/510:10 am -
2 stops13h 35m
Deal found 8/29![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:30 pm -
2 stops11h 10m
Sat 10/317:25 am -
2 stops13h 44m
Deal found 8/27![United Airlines logo]()
$556
This Southwest deal was found by Cheapflights users on 8/28. 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 10/17:50 pm -
2 stops13h 05m
Mon 10/510:10 am -
2 stops13h 35m
Deal found 8/28![Southwest logo]()
$506
This Southwest deal was found by Cheapflights users on 8/29. 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 11/98:25 am -
2 stops12h 40m
Mon 11/1612:30 pm -
2 stops13h 45m
Deal found 8/29![Southwest logo]()
$523
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated September 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/911:08 pm -
2 stops13h 32m
Tue 9/222:22 pm -
1 stop12h 06m
Deal found 8/27![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/153:00 pm -
2 stops17h 00m
Tue 9/292:22 pm -
1 stop12h 06m
Deal found 8/27![American Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 8/28. 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 9/1510:45 pm -
1 stop11h 05m
Mon 9/215:30 am -
1 stop12h 30m
Deal found 8/28![Southwest logo]()
$611
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/2011:08 pm -
2 stops12h 42m
Tue 9/296:00 am -
2 stops17h 30m
Deal found 8/27![American Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/28. 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 9/2310:45 pm -
1 stop12h 45m
Sun 9/275:30 am -
1 stop10h 15m
Deal found 8/28![Southwest logo]()
$616
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:45 pm -
1 stop12h 45m
Mon 9/285:30 am -
1 stop12h 30m
Deal found 8/31![Southwest logo]()
$523
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.
Thu 9/245:00 am -
1 stop9h 38m
Tue 9/291:00 am -
1 stop11h 50m
Deal found 8/30![United Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:44 pm -
1 stop14h 23m
Sat 10/317:30 am -
1 stop17h 23m
Deal found 8/28![American Airlines logo]()
$557
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.
Sat 9/267:02 am -
2 stops13h 48m
Fri 10/301:05 am -
3 stops20h 19m
Deal found 8/31![United Airlines logo]()
$596
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 September 1, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:38 pm -
2 stops31h 35m
Deal found 8/30![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 11/1512:07 pm -
2 stops34h 43m
Deal found 8/29![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 11/1612:31 pm -
2 stops34h 19m
Deal found 8/29![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/1511:06 am -
2 stops26h 00m
Deal found 8/28![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/55:56 pm -
2 stops19h 53m
Deal found 8/28![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/46:17 pm -
2 stops13h 49m
Deal found 8/28![Frontier logo]()
$244
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:45 am -
2 stops12h 20m
Deal found 8/31![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 8/28. 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 11/305:10 pm -
2 stops14h 30m
Deal found 8/28![Southwest logo]()
$283
This American Airlines deal was found by Cheapflights users on 8/27. 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 11/3011:01 pm -
1 stop18h 35m
Deal found 8/27![American Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/1511:10 pm -
1 stop11h 30m
Deal found 8/29![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/2611:10 pm -
1 stop10h 05m
Deal found 8/29![United Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/156:20 pm -
3 stops37h 29m
Deal found 8/28![Multiple Airlines logo]()
$322
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 September 1, 2026.
Round-trip from | $322 (Southwest) |
|---|---|
One-way from | $160 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $466 |
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 7,457,451 searches. Data last updated September 1, 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 Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Sat 11/7
5:55 am-9:15 pm
2 stops11h 20m
San Juan Luis Munoz Marin Intl
Fri 11/13
12:40 pm-10:40 pm
2 stops14h 00m
$322
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 10/26
7:35 pm-9:10 am
2 stops10h 35m
San Juan Luis Munoz Marin Intl
Fri 10/30
10:10 am-8:45 pm
2 stops13h 35m
$394
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Fri 10/23
7:50 pm-12:10 pm
2 stops13h 20m
San Juan Luis Munoz Marin Intl
Mon 10/26
5:00 am-2:20 pm
2 stops12h 20m
$464
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Fri 10/23
5:49 pm-12:05 pm
2 stops15h 16m
San Juan Luis Munoz Marin Intl
Thu 10/29
12:55 pm-11:59 pm
2 stops14h 04m
$466
Quickest round-trip
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Tue 11/17
7:00 am-9:24 pm
1 stop10h 24m
San Juan Luis Munoz Marin Intl
Wed 11/18
8:25 am-6:09 pm
2 stops13h 44m
$501
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Tue 10/20
11:30 pm-2:44 pm
1 stop12h 14m
San Juan Luis Munoz Marin Intl
Tue 10/27
7:25 am-6:09 pm
2 stops13h 44m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 9/28
11:30 pm-1:30 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Mon 10/5
10:10 am-8:45 pm
2 stops13h 35m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Thu 10/1
7:50 pm-11:55 am
2 stops13h 05m
San Juan Luis Munoz Marin Intl
Mon 10/5
10:10 am-8:45 pm
2 stops13h 35m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 11/9
8:25 am-1:05 am
2 stops12h 40m
San Juan Luis Munoz Marin Intl
Mon 11/16
12:30 pm-10:15 pm
2 stops13h 45m
$523
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Thu 10/1
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sun 10/4
1:00 am-1:15 pm
2 stops15h 15m
$530
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 $466). Flying from Portland to San Juan in December is currently the most expensive (average of $736). 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?
Airfare is below average for this route at the moment.
Portland to San Juan flights typically cost between $466 and $489 in November.The cheapest round-trip price found within the last 5 days was $322 on Southwest (Nov 7-Nov 13).
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 September 1, 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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Alternative routes for Portland to San Juan
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Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Portland and San Juan flights
Browse other Portland and San Juan flight options. Last updated on September 1, 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 September 1, 2026.
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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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$476 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$408 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$419 | Average$590 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$419 | Average$639 | FlexibilityNo cancel fee | On-time71% |