$178+ Cheap flights from Portland, ME (PWM) to Luis Munoz Marin Intl (SJU)
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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Luis Munoz Marin Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Luis Munoz Marin Intl
Cheapest
Best
Last-minute
One-way
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 October 24, 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 October 24, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/124:00 pm -
1 stop6h 58m
Fri 12/186:10 pm -
1 stop7h 11m
Deal found 10/21![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 10/23. 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 12/124:00 pm -
1 stop6h 58m
Thu 12/176:10 pm -
1 stop7h 11m
Deal found 10/23![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/13:20 pm -
1 stop8h 16m
Sat 12/122:05 am -
1 stop8h 00m
Deal found 10/23![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 10/24. 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 12/312:45 pm -
2 stops11h 05m
Wed 12/96:40 am -
1 stop9h 05m
Deal found 10/24![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/135:45 am -
1 stop6h 54m
Mon 11/167:05 am -
1 stop15h 31m
Deal found 10/22![American Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 10/22. 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 12/312:45 pm -
2 stops11h 05m
Mon 12/76:10 am -
2 stops9h 35m
Deal found 10/22![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:01 am -
1 stop10h 47m
Thu 11/124:20 pm -
1 stop8h 11m
Deal found 10/20![Delta logo]()
$424
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 October 24, 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 October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/13:20 pm -
1 stop8h 16m
Sat 12/122:05 am -
1 stop8h 00m
Deal found 10/23![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 10/23. 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 12/312:45 pm -
2 stops11h 05m
Wed 12/912:30 pm -
2 stops10h 20m
Deal found 10/23![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 10/22. 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 10/286:01 am -
1 stop10h 48m
Sun 11/11:50 pm -
1 stop8h 10m
Deal found 10/22![Delta logo]()
$538
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Sat 11/286:47 pm -
2 stops16h 38m
Sat 12/56:00 am -
2 stops13h 14m
Deal found 10/19![American Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 10/22. 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 10/276:01 am -
1 stop10h 48m
Sun 11/11:50 pm -
1 stop8h 10m
Deal found 10/22![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 10/22. 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 10/272:09 pm -
1 stop8h 09m
Thu 10/2912:55 pm -
1 stop10h 06m
Deal found 10/22![Delta logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 10/275:50 am -
1 stop7h 50m
Wed 10/281:05 am -
2 stops13h 11m
Deal found 10/19![United Airlines logo]()
$592
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 pm -
2 stops11h 05m
Sun 11/155:35 am -
2 stops11h 55m
Deal found 10/20![Southwest logo]()
$626
This Delta deal was found by Cheapflights users on 10/22. 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 10/282:09 pm -
1 stop8h 09m
Wed 11/46:10 pm -
1 stop7h 00m
Deal found 10/22![Delta logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/288:32 am -
2 stops15h 04m
Thu 10/296:40 am -
2 stops16h 41m
Deal found 10/22![United Airlines logo]()
$633
Last-minute flights from Portland to Luis Munoz Marin IntlDiscover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated October 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:01 am -
1 stop10h 47m
Thu 11/124:20 pm -
1 stop8h 11m
Deal found 10/20![Delta logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:48 am -
1 stop16h 02m
Wed 11/113:55 pm -
2 stops42h 13m
Deal found 10/20![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:48 am -
1 stop16h 02m
Fri 11/133:55 pm -
2 stops25h 29m
Deal found 10/20![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:09 pm -
2 stops33h 41m
Thu 11/127:26 pm -
1 stop14h 42m
Deal found 10/20![Multiple Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 10/24. 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 11/85:10 pm -
1 stop7h 00m
Thu 11/126:35 am -
1 stop10h 55m
Deal found 10/24![Southwest logo]()
$436
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/86:00 am -
2 stops14h 38m
Thu 11/126:05 am -
2 stops10h 16m
Deal found 10/24![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/135:45 am -
1 stop6h 54m
Mon 11/167:05 am -
1 stop15h 31m
Deal found 10/22![American Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 11/131:40 pm -
2 stops10h 20m
Mon 11/166:40 am -
1 stop9h 05m
Deal found 10/21![Southwest logo]()
$478
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Sat 11/285:45 am -
1 stop14h 42m
Sat 12/56:23 am -
1 stop16h 17m
Deal found 10/19![American Airlines logo]()
$439
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 October 24, 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 October 24, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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 12/712:45 pm -
2 stops11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$178
This Southwest deal was found by Cheapflights users on 10/24. 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 11/85:10 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/86:00 am -
2 stops14h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:35 pm -
3 stops16h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$431
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 (PWM) 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (Delta) |
One-way from | $178 (Southwest) |
Popular in | April |
Cheapest in | May |
Average price | $362 |
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 7,457,451 searches. Data last updated October 24, 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
Cheapest round-trip
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Mon 12/7
12:45 pm-12:50 am
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Mon 12/7
5:35 pm-1:07 am
3 stops30h 32m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$218
Quickest round-trip
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Sun 11/8
5:10 pm-1:10 am
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$218
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Sun 11/8
6:00 am-9:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Tue 12/1
3:20 pm-12:36 am
1 stop8h 16m
San Juan Luis Munoz Marin Intl
Sat 12/12
2:05 am-9:05 am
1 stop8h 00m
$378
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Thu 12/3
12:45 pm-12:50 am
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Wed 12/9
12:30 pm-9:50 pm
2 stops10h 20m
$421
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Sun 11/8
7:35 pm-1:32 pm
3 stops16h 57m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$431
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Wed 10/28
6:01 am-4:49 pm
1 stop10h 48m
San Juan Luis Munoz Marin Intl
Sun 11/1
1:50 pm-9:00 pm
1 stop8h 10m
$538
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Tue 10/27
6:01 am-4:49 pm
1 stop10h 48m
San Juan Luis Munoz Marin Intl
Sun 11/1
1:50 pm-9:00 pm
1 stop8h 10m
$538
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Tue 10/27
2:09 pm-10:18 pm
1 stop8h 09m
San Juan Luis Munoz Marin Intl
Thu 10/29
12:55 pm-11:01 pm
1 stop10h 06m
$538
Showing 1-10 of 15 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-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, Maine-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, Maine-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, Maine-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, Maine-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.
PWM-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, Maine to San Juan Luis Munoz Marin Intl Airport?
The best time to book flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport (average of $342). Flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $738). 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, Maine to San Juan Luis Munoz Marin Intl Airport?
Airfare is typical for this route at the moment.
Portland, Maine to San Juan Luis Munoz Marin Intl Airport flights typically cost between $332 and $542 in December.The cheapest round-trip price found within the last 5 days was $356 on Delta (Dec 12-Dec 18).
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 October 24, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Portland to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.4
Boarding
8.1
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 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 locationsLuquillo
Rio Grande
Fajardo
Dorado
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 October 24, 2026.
Portland and Luis Munoz Marin Intl flights
Browse other Portland and Luis Munoz Marin Intl flight options. Last updated on October 24, 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 October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to Luis Munoz Marin Intl
Discover the top 5 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 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$515 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$560 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$322 | Average$589 | FlexibilityNo cancel fee | On-time63% |