$155+ Cheap flights from Portland (PDX) to Luis Munoz Marin Intl (SJU)
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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Apr 1 — Apr 81
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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Cheapest flights from Portland to Luis Munoz Marin IntlExplore the most affordable flight options available from Portland to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
Explore the most affordable flight options available from Portland to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
This Southwest deal was found by Cheapflights users on 3/1. 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 4/285:40 am
PDX
- SJU
2 stops12h 25m
Southwest
Thu 4/302:00 pm
SJU
- PDX
2 stops13h 10m
Southwest
Deal found 3/1![Southwest logo]()
$406
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/2811:40 pm
PDX
- SJU
1 stop20h 22m
American Airlines
Thu 4/306:45 am
SJU
- PDX
1 stop19h 04m
American Airlines
Deal found 3/2![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/1711:40 pm
PDX
- SJU
1 stop20h 22m
American Airlines
Thu 4/2311:59 pm
SJU
- PDX
1 stop14h 02m
American Airlines
Deal found 3/2![American Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 3/1. 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 4/205:10 am
PDX
- SJU
2 stops11h 50m
Southwest
Fri 4/2410:00 am
SJU
- PDX
2 stops15h 40m
Southwest
Deal found 3/1![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 2/28. 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.
Fri 7/311:30 pm
PDX
- SJU
1 stop11h 25m
Southwest
Mon 7/135:30 am
SJU
- PDX
1 stop13h 50m
Southwest
Deal found 2/28![Southwest logo]()
$428
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:47 pm
PDX
- SJU
2 stops12h 05m
American Airlines
Sat 4/186:45 am
SJU
- PDX
1 stop19h 04m
American Airlines
Deal found 2/26![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/811:40 pm
PDX
- SJU
1 stop20h 22m
American Airlines
Tue 4/1411:43 am
SJU
- PDX
2 stops14h 13m
American Airlines
Deal found 3/1![American Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 3/1. 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 4/296:30 am
PDX
- SJU
2 stops13h 10m
Southwest
Wed 5/68:10 am
SJU
- PDX
2 stops14h 05m
Southwest
Deal found 3/1![Southwest logo]()
$439
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/2111:47 pm
PDX
- SJU
2 stops12h 48m
American Airlines
Mon 5/45:45 am
SJU
- PDX
1 stop21h 08m
American Airlines
Deal found 3/2![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/27:45 pm
PDX
- SJU
2 stops13h 49m
United Airlines
Fri 5/87:40 am
SJU
- PDX
1 stop10h 33m
United Airlines
Deal found 3/1![United Airlines logo]()
$450
Best flights from Portland to Luis Munoz Marin IntlDiscover carefully curated flight deals from Portland to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
Discover carefully curated flight deals from Portland to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
This Southwest deal was found by Cheapflights users on 2/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:10 am
PDX
- SJU
2 stops15h 30m
Southwest
Wed 5/65:05 am
SJU
- PDX
2 stops18h 55m
Southwest
Deal found 2/26![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/910:15 pm
PDX
- SJU
1 stop10h 49m
United Airlines
Thu 5/143:56 pm
SJU
- PDX
1 stop10h 59m
United Airlines
Deal found 3/1![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 2/28. 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 4/285:40 am
PDX
- SJU
2 stops12h 25m
Southwest
Fri 5/16:50 am
SJU
- PDX
2 stops16h 20m
Southwest
Deal found 2/28![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/37:00 am
PDX
- SJU
1 stop10h 38m
United Airlines
Thu 5/73:56 pm
SJU
- PDX
1 stop10h 59m
United Airlines
Deal found 3/1![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 3/1. 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 4/296:30 am
PDX
- SJU
2 stops13h 10m
Southwest
Wed 5/68:10 am
SJU
- PDX
2 stops14h 05m
Southwest
Deal found 3/1![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 2/27. 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 4/2811:15 pm
PDX
- SJU
1 stop11h 30m
United Airlines
Wed 4/291:00 am
SJU
- PDX
2 stops17h 13m
United Airlines
Deal found 2/27![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 6/710:52 pm
PDX
- SJU
1 stop11h 53m
United Airlines
Sat 6/131:00 am
SJU
- PDX
1 stop11h 25m
United Airlines
Deal found 2/27![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/1711:59 pm
PDX
- SJU
1 stop11h 45m
United Airlines
Sat 4/257:00 am
SJU
- PDX
2 stops14h 08m
United Airlines
Deal found 3/1![United Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 2/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:00 am
PDX
- SJU
2 stops12h 35m
Southwest
Thu 4/25:30 am
SJU
- PDX
2 stops11h 55m
Southwest
Deal found 2/26![Southwest logo]()
$701
This Southwest deal was found by Cheapflights users on 3/1. 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 3/268:00 am
PDX
- SJU
2 stops12h 35m
Southwest
Mon 3/302:50 pm
SJU
- PDX
2 stops12h 55m
Southwest
Deal found 3/1![Southwest logo]()
$1,051
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:49 pm
PDX
- SJU
2 stops14h 51m
United Airlines
Sun 3/297:00 am
SJU
- PDX
1 stop32h 34m
United Airlines
Deal found 2/26![United Airlines logo]()
$1,169
Last-minute flights from Portland to Luis Munoz Marin IntlDiscover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated March 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/2. 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 3/1110:53 pm
PDX
- SJU
1 stop15h 18m
American Airlines
Sat 5/211:59 pm
SJU
- PDX
1 stop14h 02m
American Airlines
Deal found 3/2![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:53 pm
PDX
- SJU
1 stop18h 57m
American Airlines
Wed 4/17:11 am
SJU
- PDX
1 stop20h 11m
American Airlines
Deal found 2/26![American Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:53 pm
PDX
- SJU
1 stop18h 57m
American Airlines
Thu 4/211:46 am
SJU
- PDX
1 stop15h 36m
American Airlines
Deal found 2/26![American Airlines logo]()
$548
This Faresmojo deal was found by Cheapflights users on 2/26. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:30 pm
PDX
- SJU
1 stop10h 16m
JetBlue
Mon 3/302:44 pm
SJU
- PDX
1 stop10h 24m
JetBlue
Deal found 2/26![JetBlue logo]()
$600
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Fri 3/272:05 pm
PDX
- SJU
1 stop12h 06m
United Airlines
Fri 4/31:40 pm
SJU
- PDX
1 stop12h 14m
United Airlines
Deal found 2/27![United Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 2/28. 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 3/2710:53 pm
PDX
- SJU
1 stop18h 57m
American Airlines
Sun 4/56:00 am
SJU
- PDX
1 stop21h 22m
American Airlines
Deal found 2/28![American Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Mon 3/3011:59 pm
PDX
- SJU
2 stops11h 51m
American Airlines
Mon 4/67:11 am
SJU
- PDX
1 stop20h 11m
American Airlines
Deal found 2/28![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Tue 3/3110:35 pm
PDX
- SJU
1 stop18h 59m
American Airlines
Sun 4/56:00 am
SJU
- PDX
1 stop21h 22m
American Airlines
Deal found 2/28![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/3110:35 pm
PDX
- SJU
1 stop18h 59m
American Airlines
Tue 4/71:31 pm
SJU
- PDX
2 stops13h 26m
American Airlines
Deal found 3/1![American Airlines logo]()
$513
One-way flights from Portland to Luis Munoz Marin IntlSearch for one-way flight options from Portland to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
Search for one-way flight options from Portland to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- SJU
2 stops33h 02m
Frontier
Deal found 2/26![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 4/2812:38 pm
PDX
- SJU
2 stops26h 21m
Frontier
Deal found 2/28![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 4/2812:38 pm
PDX
- SJU
3 stops27h 44m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/209:54 am
PDX
- SJU
2 stops21h 00m
Frontier
Deal found 3/1![Frontier logo]()
$192
This Southwest deal was found by Cheapflights users on 2/28. 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 4/285:40 am
PDX
- SJU
2 stops12h 25m
Southwest
Deal found 2/28![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/217:00 am
PDX
- SJU
1 stop13h 02m
American Airlines
Deal found 3/2![American Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 5/212:27 pm
PDX
- SJU
2 stops34h 39m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 2/27. 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 4/1012:30 am
PDX
- SJU
1 stop10h 45m
Delta
Deal found 2/27![Delta logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 3/239:53 pm
PDX
- SJU
2 stops25h 36m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 5/19:54 am
PDX
- SJU
3 stops37h 12m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 2/27. 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 6/237:40 pm
PDX
- SJU
2 stops12h 50m
Southwest
Deal found 2/27![Southwest logo]()
$263
Find flight deals from Portland to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Luis Munoz Marin Intl (SJU). 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 March 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $406 (Southwest) |
One-way from | $155 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $683 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Luis Munoz Marin Intl 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 March 2, 2026.
Use the filters below to find and compare flights from Portland to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Mon 4/27
5:10 am-11:40 pm
2 stops15h 30m
San Juan Luis Munoz Marin Intl
Wed 5/6
5:05 am-9:00 pm
2 stops18h 55m
$406
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 4/28
5:40 am-9:05 pm
2 stops12h 25m
San Juan Luis Munoz Marin Intl
Fri 5/1
6:50 am-8:10 pm
2 stops16h 20m
$406
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Wed 4/29
6:30 am-10:40 pm
2 stops13h 10m
San Juan Luis Munoz Marin Intl
Wed 5/6
8:10 am-7:15 pm
2 stops14h 05m
$439
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sat 5/9
10:15 pm-12:04 pm
1 stop10h 49m
San Juan Luis Munoz Marin Intl
Thu 5/14
3:56 pm-11:55 pm
1 stop10h 59m
$450
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sun 5/3
7:00 am-8:38 pm
1 stop10h 38m
San Juan Luis Munoz Marin Intl
Thu 5/7
3:56 pm-11:55 pm
1 stop10h 59m
$450
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Tue 4/28
11:15 pm-1:45 pm
1 stop11h 30m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 am-3:13 pm
2 stops17h 13m
$501
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sun 6/7
10:52 pm-1:45 pm
1 stop11h 53m
San Juan Luis Munoz Marin Intl
Sat 6/13
1:00 am-9:25 am
1 stop11h 25m
$520
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 4/17
11:59 pm-2:44 pm
1 stop11h 45m
San Juan Luis Munoz Marin Intl
Sat 4/25
7:00 am-6:08 pm
2 stops14h 08m
$527
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Thu 3/26
8:00 am-11:35 pm
2 stops12h 35m
San Juan Luis Munoz Marin Intl
Thu 4/2
5:30 am-2:25 pm
2 stops11h 55m
$701
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Thu 3/26
8:00 am-11:35 pm
2 stops12h 35m
San Juan Luis Munoz Marin Intl
Mon 3/30
2:50 pm-12:45 am
2 stops12h 55m
$1,051
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Portland to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Luis Munoz Marin Intl in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Portland-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Portland with our price prediction graph.
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 Luis Munoz Marin Intl Airport
How far ahead should I book a flight from Portland to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Luis Munoz Marin Intl. Price data was last updated on February 27, 2026.
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Portland to San Juan Luis Munoz Marin Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Portland to San Juan Luis Munoz Marin Intl Airport (average of $188). Flying from Portland to San Juan Luis Munoz Marin Intl Airport in January is currently the most expensive (average of $411). 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 Luis Munoz Marin Intl Airport?
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated March 2, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Portland to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Portland to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 2, 2026.
Portland and Luis Munoz Marin Intl flights
Browse other Portland and Luis Munoz Marin Intl flight options. Last updated on March 2, 2026.
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Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on March 2, 2026.
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Top 6 airlines flying from Portland to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Portland to Luis Munoz Marin Intl. 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 March 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$371 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$241 | Average$391 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$262 | Average$485 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$399 | Average$589 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$399 | Average$622 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$408 | Average$579 | FlexibilityNo cancel fee | On-time63% |