$161+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Sep 14 — Sep 211
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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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
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Last-minute
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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 August 15, 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 August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 10/236:09 pm -
2 stops14h 11m
Thu 10/296:00 am -
1 stop20h 39m
Deal found 8/11![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/55:59 am -
1 stop13h 55m
Sat 9/122:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/1411:49 pm -
1 stop20h 31m
Mon 10/197:30 am -
1 stop18h 35m
Deal found 8/12![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 9/263:00 pm -
2 stops15h 24m
Sat 10/316:30 am -
2 stops13h 33m
Deal found 8/13![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/83:00 pm -
2 stops17h 00m
Tue 9/152:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/912:01 pm -
2 stops18h 23m
Tue 9/222:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$449
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:49 pm -
2 stops20h 00m
Wed 8/198:57 pm -
2 stops47h 14m
Deal found 8/13![Frontier logo]()
$459
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
2 stops13h 29m
Sat 9/127:00 am -
2 stops16h 16m
Deal found 8/12![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sat 9/53:50 pm -
2 stops15h 20m
Sat 9/125:05 am -
2 stops11h 55m
Deal found 8/11![Southwest logo]()
$476
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 10/111:06 pm -
1 stop12h 44m
Sat 10/317:30 am -
1 stop17h 23m
Deal found 8/11![American Airlines logo]()
$484
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 August 15, 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 August 15, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sun 1/105:10 am -
2 stops12h 50m
Fri 1/157:35 am -
2 stops15h 25m
Deal found 8/11![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 8/10. 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 1/227:40 pm -
2 stops17h 10m
Tue 2/23:15 pm -
2 stops12h 36m
Deal found 8/10![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/127:03 am -
1 stop10h 35m
Fri 9/181:00 am -
2 stops13h 28m
Deal found 8/15![United Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:34 pm -
2 stops12h 17m
Mon 9/1411:51 am -
2 stops15h 16m
Deal found 8/10![American Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 8/14. 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 1/195:10 am -
2 stops12h 50m
Sun 1/317:35 am -
2 stops15h 25m
Deal found 8/14![Southwest logo]()
$506
This Delta deal was found by Cheapflights users on 8/15. 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.
Tue 1/265:45 pm -
2 stops15h 20m
Wed 2/37:00 am -
2 stops13h 24m
Deal found 8/15![Delta logo]()
$506
This United Airlines deal was found by Cheapflights users on 8/10. 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 2/35:15 am -
2 stops15h 21m
Mon 2/82:05 am -
3 stops20h 26m
Deal found 8/10![United Airlines logo]()
$576
This Southwest deal was found by Cheapflights users on 8/11. 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 12/106:00 am -
2 stops13h 20m
Mon 12/214:15 pm -
2 stops12h 15m
Deal found 8/11![Southwest logo]()
$566
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 9/95:00 am -
2 stops12h 38m
Tue 9/221:25 pm -
1 stop11h 38m
Deal found 8/15![United Airlines logo]()
$596
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated August 15, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:49 pm -
2 stops20h 00m
Wed 8/198:57 pm -
2 stops47h 14m
Deal found 8/13![Frontier logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/55:59 am -
1 stop13h 55m
Sat 9/122:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
2 stops13h 29m
Sat 9/127:00 am -
2 stops16h 16m
Deal found 8/12![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sat 9/53:50 pm -
2 stops15h 20m
Sat 9/125:05 am -
2 stops11h 55m
Deal found 8/11![Southwest logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/511:02 pm -
1 stop12h 42m
Sat 9/121:25 pm -
1 stop11h 38m
Deal found 8/11![United Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/83:00 pm -
2 stops17h 00m
Tue 9/152:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/912:01 pm -
2 stops18h 23m
Tue 9/222:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/2211:06 pm -
1 stop12h 44m
Wed 9/302:22 pm -
1 stop12h 06m
Deal found 8/11![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/263:00 pm -
2 stops15h 24m
Sat 10/317:30 am -
1 stop17h 23m
Deal found 8/11![American Airlines logo]()
$322
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 August 15, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/2811:06 pm -
1 stop12h 44m
Deal found 8/12![American Airlines logo]()
$161
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:38 pm -
2 stops22h 40m
Deal found 8/13![Frontier logo]()
$187
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:17 pm -
2 stops13h 49m
Deal found 8/11![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:20 pm -
2 stops19h 46m
Deal found 8/11![Frontier logo]()
$199
This Southwest deal was found by Cheapflights users on 8/11. 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 8/3110:45 pm -
1 stop11h 05m
Deal found 8/11![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 8/11. 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 1/215:30 am -
2 stops14h 25m
Deal found 8/11![Delta logo]()
$233
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 1/27:10 am -
1 stop12h 46m
Deal found 8/13![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 12/28:00 am -
1 stop11h 59m
Deal found 8/12![American Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 8/14. 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 12/16:00 am -
2 stops11h 50m
Deal found 8/14![Southwest logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:47 pm -
2 stops23h 10m
Deal found 8/11![Frontier logo]()
$292
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 August 15, 2026.
Round-trip from | $322 (American Airlines) |
|---|---|
One-way from | $161 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $516 |
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 August 15, 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
Sun 1/10
5:10 am-10:00 pm
2 stops12h 50m
San Juan Luis Munoz Marin Intl
Fri 1/15
7:35 am-7:00 pm
2 stops15h 25m
$394
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Fri 1/22
7:40 pm-4:50 pm
2 stops17h 10m
San Juan Luis Munoz Marin Intl
Tue 2/2
3:15 pm-11:51 pm
2 stops12h 36m
$466
Quickest round-trip
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Sat 9/12
7:03 am-8:38 pm
1 stop10h 35m
San Juan Luis Munoz Marin Intl
Fri 9/18
1:00 am-11:28 am
2 stops13h 28m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Tue 1/19
5:10 am-10:00 pm
2 stops12h 50m
San Juan Luis Munoz Marin Intl
Sun 1/31
7:35 am-7:00 pm
2 stops15h 25m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Tue 1/26
5:45 pm-1:05 pm
2 stops15h 20m
San Juan Luis Munoz Marin Intl
Wed 2/3
7:00 am-4:24 pm
2 stops13h 24m
$506
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 9/7
11:34 pm-2:51 pm
2 stops12h 17m
San Juan Luis Munoz Marin Intl
Mon 9/14
11:51 am-12:07 am
2 stops15h 16m
$511
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Thu 12/10
6:00 am-11:20 pm
2 stops13h 20m
San Juan Luis Munoz Marin Intl
Mon 12/21
4:15 pm-12:30 am
2 stops12h 15m
$566
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Wed 2/3
5:15 am-12:36 am
2 stops15h 21m
San Juan Luis Munoz Marin Intl
Mon 2/8
2:05 am-6:31 pm
3 stops20h 26m
$576
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Wed 9/9
5:00 am-8:38 pm
2 stops12h 38m
San Juan Luis Munoz Marin Intl
Tue 9/22
1:25 pm-10:03 pm
1 stop11h 38m
$596
Cheapest one-way
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 9/28
11:08 pm-1:57 pm
2 stops11h 49m
$161
Showing 1-10 of 19 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 March is currently the most expensive (average of $732). 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 $650 in October.The cheapest round-trip price found within the last 5 days was $322 on American Airlines (Oct 23-Oct 29).
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 August 15, 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
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Portland to San Juan
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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 August 15, 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 August 15, 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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$466 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$408 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$419 | Average$589 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$419 | Average$638 | FlexibilityNo cancel fee | On-time71% |