$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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Jul 22 — Jul 291
Round-trip
1 adult, Economy
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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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Best
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 June 22, 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 22, 2026.
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:45 pm
PDX
- SJU
1 stop11h 00m
Delta
Tue 11/177:15 am
SJU
- PDX
2 stops15h 02m
Delta
Deal found 6/18![Delta logo]()
$466
This American Airlines deal was found by Cheapflights users on 6/20. 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 stop13h 39m
American Airlines
Deal found 6/20![American Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 pm
PDX
- SJU
2 stops12h 45m
Southwest
Tue 11/175:45 am
SJU
- PDX
2 stops13h 15m
Southwest
Deal found 6/17![Southwest logo]()
$476
This American Airlines deal was found by Cheapflights users on 6/19. 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 6/19![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:06 pm
PDX
- SJU
1 stop12h 44m
American Airlines
Tue 9/292:22 pm
SJU
- PDX
1 stop12h 06m
American Airlines
Deal found 6/17![American Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 8/247:30 am
SJU
- PDX
1 stop15h 18m
American Airlines
Deal found 6/16![American Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 6/19. 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 7/2712:45 am
PDX
- SJU
2 stops14h 39m
American Airlines
Mon 8/37:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/19![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 6/21. 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 12/25:59 pm
PDX
- SJU
2 stops12h 36m
American Airlines
Tue 12/1511:25 am
SJU
- PDX
2 stops15h 31m
American Airlines
Deal found 6/21![American Airlines logo]()
$513
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 pm
PDX
- SJU
2 stops12h 50m
Southwest
Mon 9/76:30 am
SJU
- PDX
2 stops13h 05m
Southwest
Deal found 6/19![Southwest logo]()
$536
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 22, 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 22, 2026.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:30 am
PDX
- SJU
2 stops13h 49m
Delta
Wed 9/167:00 am
SJU
- PDX
2 stops18h 02m
Delta
Deal found 6/16![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/217:07 pm
PDX
- SJU
2 stops14h 27m
United Airlines
Sun 8/231:00 am
SJU
- PDX
1 stop11h 50m
United Airlines
Deal found 6/21![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 6/21. 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 8/1611:30 pm
PDX
- SJU
2 stops14h 25m
Southwest
Thu 8/2710:00 am
SJU
- PDX
2 stops13h 45m
Southwest
Deal found 6/21![Southwest logo]()
$466
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:20 am
PDX
- SJU
2 stops13h 11m
Delta
Sat 9/267:30 am
SJU
- PDX
1 stop14h 29m
Delta
Deal found 6/16![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:50 am
PDX
- SJU
2 stops12h 15m
Southwest
Mon 8/245:30 am
SJU
- PDX
1 stop12h 30m
Southwest
Deal found 6/17![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:50 pm
PDX
- SJU
2 stops13h 39m
United Airlines
Sun 8/161:00 am
SJU
- PDX
1 stop11h 50m
United Airlines
Deal found 6/17![United Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/1710:27 am
PDX
- SJU
1 stop10h 23m
United Airlines
Mon 7/201:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/19![United Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 6/21. 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.
Sun 8/235:08 pm
PDX
- SJU
2 stops15h 38m
Delta
Sun 10/112:31 pm
SJU
- PDX
1 stop10h 55m
Delta
Deal found 6/21![Delta logo]()
$621
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:02 pm
PDX
- SJU
2 stops11h 51m
United Airlines
Fri 9/111:00 am
SJU
- PDX
2 stops13h 28m
United Airlines
Deal found 6/16![United Airlines logo]()
$566
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated June 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:07 am
PDX
- SJU
2 stops13h 52m
American Airlines
Thu 7/167:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/18![American Airlines logo]()
$586
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:15 pm
PDX
- SJU
2 stops13h 41m
American Airlines
Sun 7/267:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/18![American Airlines logo]()
$598
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/1710:27 am
PDX
- SJU
1 stop10h 23m
United Airlines
Mon 7/201:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 6/19![United Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/19. 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 7/225:07 am
PDX
- SJU
2 stops13h 52m
American Airlines
Sat 8/17:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/19![American Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 6/19. 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 7/2712:45 am
PDX
- SJU
2 stops14h 39m
American Airlines
Mon 8/37:00 am
SJU
- PDX
1 stop19h 30m
American Airlines
Deal found 6/19![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/2810:30 pm
PDX
- SJU
1 stop12h 03m
American Airlines
Sat 8/157:05 am
SJU
- PDX
1 stop15h 43m
American Airlines
Deal found 6/20![American Airlines logo]()
$550
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 22, 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 22, 2026.
This United Airlines deal was found by Cheapflights users on 6/19. 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 9/1311:17 pm
PDX
- SJU
1 stop11h 28m
United Airlines
Deal found 6/19![United Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:50 pm
PDX
- SJU
2 stops14h 14m
United Airlines
Deal found 6/17![United Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:07 am
PDX
- SJU
1 stop20h 32m
American Airlines
Deal found 6/16![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:24 pm
PDX
- SJU
2 stops16h 40m
Delta
Deal found 6/19![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/18![American Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/511:15 pm
PDX
- SJU
3 stops19h 28m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:30 pm
PDX
- SJU
1 stop12h 03m
American Airlines
Deal found 6/16![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/25:00 am
PDX
- SJU
1 stop9h 38m
United Airlines
Deal found 6/19![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/20. 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 6/305:00 am
PDX
- SJU
1 stop9h 38m
United Airlines
Deal found 6/20![United Airlines logo]()
$383
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:44 pm
PDX
- SJU
2 stops21h 29m
JetBlue
Deal found 6/16![JetBlue logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/23:57 pm
PDX
- SJU
2 stops45h 01m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$394
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 22, 2026.
Round-trip from | $466 (Southwest) |
|---|---|
One-way from | $233 (United Airlines) |
Popular in | March |
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 22, 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
Wed 9/9
5:30 am-10:19 pm
2 stops13h 49m
San Juan Luis Munoz Marin Intl
Wed 9/16
7:00 am-10:02 pm
2 stops18h 02m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 8/21
7:07 pm-12:34 pm
2 stops14h 27m
San Juan Luis Munoz Marin Intl
Sun 8/23
1:00 am-9:50 am
1 stop11h 50m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sun 8/16
11:30 pm-4:55 pm
2 stops14h 25m
San Juan Luis Munoz Marin Intl
Thu 8/27
10:00 am-8:45 pm
2 stops13h 45m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 9/18
12:20 am-4:31 pm
2 stops13h 11m
San Juan Luis Munoz Marin Intl
Sat 9/26
7:30 am-6:59 pm
1 stop14h 29m
$466
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Wed 8/19
5:50 am-9:05 pm
2 stops12h 15m
San Juan Luis Munoz Marin Intl
Mon 8/24
5:30 am-3:00 pm
1 stop12h 30m
$513
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sat 8/8
12:50 pm-5:29 am
2 stops13h 39m
San Juan Luis Munoz Marin Intl
Sun 8/16
1:00 am-9:50 am
1 stop11h 50m
$545
Quickest round-trip
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 7/17
10:27 am-11:50 pm
1 stop10h 23m
San Juan Luis Munoz Marin Intl
Mon 7/20
1:00 am-9:25 am
1 stop11h 25m
$556
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 9/8
11:02 pm-1:53 pm
2 stops11h 51m
San Juan Luis Munoz Marin Intl
Fri 9/11
1:00 am-11:28 am
2 stops13h 28m
$566
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sun 8/23
5:08 pm-11:46 am
2 stops15h 38m
San Juan Luis Munoz Marin Intl
Sun 10/11
2:31 pm-10:26 pm
1 stop10h 55m
$621
Cheapest one-way
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 9/15
10:45 pm-12:50 pm
1 stop11h 05m
$233
Showing 1-10 of 16 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 22, 2026.
Read through reviews of airlines operating flights from Portland to San Juan, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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 June 22, 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 June 22, 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 June 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$399 | Average$640 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$418 | Average$593 | FlexibilityNo cancel fee | On-time69% |