$220+ Cheap flights from Portland (PDX) to San Juan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Nov 29 — Dec 61
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
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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 October 30, 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 October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:09 pm -
2 stops17h 01m
Wed 12/95:01 am -
2 stops34h 52m
Deal found 10/25![Frontier logo]()
$468
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
1 stop23h 33m
Tue 12/13:28 am -
1 stop21h 14m
Deal found 10/27![Multiple Airlines logo]()
$470
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am -
1 stop14h 58m
Sun 12/133:28 am -
1 stop21h 14m
Deal found 10/27![Multiple Airlines logo]()
$479
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am -
1 stop14h 58m
Tue 12/153:28 am -
1 stop21h 14m
Deal found 10/27![Multiple Airlines logo]()
$493
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:15 am -
1 stop13h 52m
Tue 12/155:01 am -
1 stop19h 30m
Deal found 10/25![Multiple Airlines logo]()
$514
This WAYA deal was found by Cheapflights users on 10/28. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
1 stop14h 58m
Tue 12/83:28 am -
1 stop21h 14m
Deal found 10/28![Multiple Airlines logo]()
$526
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:15 am -
1 stop13h 52m
Fri 12/115:01 am -
1 stop19h 30m
Deal found 10/27![Multiple Airlines logo]()
$534
This Southwest deal was found by Cheapflights users on 10/29. 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.
Wed 12/26:20 am -
2 stops12h 05m
Wed 12/912:30 pm -
2 stops14h 55m
Deal found 10/29![Southwest logo]()
$556
This Southwest deal was found by Cheapflights users on 10/27. 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.
Tue 12/16:20 am -
2 stops12h 05m
Fri 12/1112:40 pm -
2 stops13h 10m
Deal found 10/27![Southwest logo]()
$561
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:10 am -
1 stop12h 48m
Tue 12/157:00 am -
2 stops15h 58m
Deal found 10/29![Delta logo]()
$566
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/25:00 am -
1 stop15h 09m
Tue 12/155:17 pm -
1 stop10h 32m
Deal found 10/28![American Airlines logo]()
$571
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 October 30, 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 October 30, 2026.
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 1/266:40 am -
1 stop13h 18m
Wed 2/31:59 pm -
1 stop12h 03m
Deal found 10/27![Delta logo]()
$566
This Southwest deal was found by Cheapflights users on 10/27. 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.
Wed 12/3011:30 pm -
2 stops13h 30m
Thu 1/77:25 am -
2 stops13h 10m
Deal found 10/27![Southwest logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/57:00 am -
1 stop10h 24m
Fri 12/112:05 am -
2 stops17h 14m
Deal found 10/29![United Airlines logo]()
$666
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/911:09 pm -
1 stop19h 31m
Mon 1/181:18 pm -
1 stop15h 41m
Deal found 10/29![American Airlines logo]()
$745
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:47 pm -
2 stops25h 52m
Mon 1/183:14 pm -
2 stops26h 21m
Deal found 10/26![Alaska Airlines logo]()
$836
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/245:48 pm -
2 stops15h 57m
Sat 2/66:30 am -
2 stops18h 10m
Deal found 10/29![Delta logo]()
$566
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/3011:24 pm -
1 stop11h 16m
Thu 1/78:05 am -
2 stops14h 06m
Deal found 10/27![United Airlines logo]()
$707
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:28 pm -
1 stop20h 05m
Wed 1/67:00 am -
2 stops13h 36m
Deal found 10/29![American Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/1211:30 pm -
1 stop12h 10m
Mon 11/233:46 pm -
1 stop11h 29m
Deal found 10/29![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/127:15 pm -
2 stops14h 17m
Tue 11/178:25 am -
2 stops13h 55m
Deal found 10/25![United Airlines logo]()
$774
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated October 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
2 stops25h 50m
Sat 11/77:26 pm -
2 stops19h 46m
Deal found 10/26![Frontier logo]()
$614
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:02 pm -
2 stops32h 57m
Mon 11/163:55 pm -
2 stops23h 12m
Deal found 10/25![Frontier logo]()
$672
This Southwest deal was found by Cheapflights users on 10/25. 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 11/128:10 pm -
2 stops11h 40m
Tue 11/1712:30 pm -
2 stops14h 55m
Deal found 10/25![Southwest logo]()
$629
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:31 pm -
2 stops32h 28m
Mon 11/164:39 pm -
2 stops22h 28m
Deal found 10/27![Frontier logo]()
$640
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/179:50 pm -
1 stop11h 13m
Thu 11/267:45 am -
1 stop18h 35m
Deal found 10/25![American Airlines logo]()
$566
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:02 pm -
3 stops24h 15m
Thu 11/266:31 pm -
3 stops27h 06m
Deal found 10/25![Multiple Airlines logo]()
$641
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:20 am -
2 stops12h 05m
Thu 11/265:35 am -
2 stops15h 40m
Deal found 10/25![Southwest logo]()
$644
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 11/196:30 am -
2 stops11h 25m
Mon 11/2311:20 am -
2 stops14h 30m
Deal found 10/29![Southwest logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:00 am -
1 stop15h 13m
Mon 11/237:05 am -
1 stop17h 55m
Deal found 10/29![American Airlines logo]()
$616
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
1 stop23h 33m
Tue 12/13:28 am -
1 stop21h 14m
Deal found 10/27![Multiple Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/2511:01 pm -
1 stop16h 41m
Wed 12/27:20 am -
2 stops14h 32m
Deal found 10/27![American Airlines logo]()
$571
This Southwest deal was found by Cheapflights users on 10/27. 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.
Wed 11/2511:30 pm -
2 stops11h 45m
Wed 12/212:30 pm -
2 stops13h 50m
Deal found 10/27![Southwest logo]()
$626
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 October 30, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:10 pm -
2 stops27h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:31 pm -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$225
This WAYA deal was found by Cheapflights users on 10/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:00 am -
1 stop18h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$245
This WAYA deal was found by Cheapflights users on 10/28. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:00 am -
1 stop15h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/1212:02 pm -
2 stops32h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$278
This WAYA deal was found by Cheapflights users on 10/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:15 am -
1 stop13h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/1811:10 pm -
1 stop10h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/27:44 am -
1 stop12h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 1/211:34 pm -
1 stop11h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 10/27. 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 11/611:30 pm -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$351
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 1/1411:09 pm -
1 stop18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 10/27. 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 1/145:15 am -
2 stops12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$366
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 October 30, 2026.
Round-trip from | $468 (Mytrip) |
|---|---|
One-way from | $220 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $468 |
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 October 30, 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
Wed 12/2
6:20 am-10:25 pm
2 stops12h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$278
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Wed 1/6
5:24 pm-12:58 pm
2 stops15h 34m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$283
Quickest round-trip
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Sat 1/2
11:34 pm-2:40 pm
1 stop11h 06m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$333
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Fri 11/6
8:10 pm-11:20 am
2 stops11h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$351
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Thu 1/14
5:15 am-9:45 pm
2 stops12h 30m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$366
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Thu 11/12
11:30 pm-3:40 pm
1 stop12h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$408
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Mon 12/21
9:57 am-2:43 am
2 stops12h 46m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$418
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Sun 12/27
4:15 pm-12:59 pm
2 stops16h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$424
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Sun 12/27
11:28 pm-5:39 pm
1 stop14h 11m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$483
PortlandSan Juan
PDX Portland - SJU San Juan Luis Munoz Marin Intl
PDXSJU
Portland
Tue 1/26
6:40 am-11:58 pm
1 stop13h 18m
San Juan Luis Munoz Marin Intl
Wed 2/3
1:59 pm-10:02 pm
1 stop12h 03m
$566
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 December is currently the most expensive (average of $781). 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 $592 and $755 in December.The cheapest round-trip price found within the last 5 days was $468 on Frontier (Dec 1-Dec 9).
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 79 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 October 30, 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.
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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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Portland and San Juan flights
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Top 4 airlines flying from Portland to San Juan
Discover the top 4 airlines that operate flights from Portland to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$493 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$408 | Average$498 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$414 | Average$636 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$419 | Average$601 | FlexibilityNo cancel fee | On-time69% |