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Luis Munoz Marin Intl

$144+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 85 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$369
(Delta)

One-way from

$144
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$515
Provider with most accurate pricing for Portland-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-San Juan Luis Munoz Marin Intl flights.
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From Portland to San Juan Luis Munoz Marin Intl
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One-way flight from Portland to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 12% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Portland to Luis Munoz Marin Intl

Cheapest flights from Portland to Luis Munoz Marin Intl
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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 pmPDX - SJU
2 stops13h 08mDelta
Wed 10/11:13 pmSJU - PDX
1 stop13h 16mDelta
Deal found 4/17$369
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:01 pmPDX - SJU
2 stops24h 31mSpirit Airlines
Fri 5/161:33 amSJU - PDX
3 stops18h 12mSpirit Airlines
Deal found 4/17$409
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:37 pmPDX - SJU
2 stops18h 54mMultiple Airlines
Sat 5/174:15 pmSJU - PDX
1 stop25h 39mMultiple Airlines
Deal found 4/17$437
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 5/196:07 pmPDX - SJU
2 stops13h 52mAmerican Airlines
Mon 6/26:10 amSJU - PDX
1 stop19h 57mAmerican Airlines
Deal found 4/17$452
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Tue 9/165:40 pmPDX - SJU
2 stops17h 05mUnited Airlines
Tue 9/301:05 amSJU - PDX
2 stops14h 38mUnited Airlines
Deal found 4/17$459
This JetBlue deal was found by Cheapflights users on 4/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1211:35 pmPDX - SJU
1 stop14h 05mJetBlue
Mon 6/1612:35 pmSJU - PDX
1 stop12h 35mJetBlue
Deal found 4/17$551
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/221:50 pmPDX - SJU
2 stops27h 31mFrontier
Wed 5/288:00 amSJU - PDX
2 stops32h 05mFrontier
Deal found 4/17$577
This Southwest deal was found by Cheapflights users on 4/17. 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.
Tue 5/65:25 pmPDX - SJU
2 stops13h 55mSouthwest
Mon 5/127:40 amSJU - PDX
2 stops13h 55mSouthwest
Deal found 4/17$583
This Sun Country Air deal was found by Cheapflights users on 4/17. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1311:59 pmPDX - SJU
1 stop12h 17mSun Country Air
Sat 6/214:20 pmSJU - PDX
1 stop28h 14mSun Country Air
Deal found 4/17$637

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 April 17, 2025.
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

Portland

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 9/16

7:55 pm-12:03 pm

2 stops13h 08m

San Juan Luis Munoz Marin Intl

Wed 10/1

1:13 pm-11:29 pm

1 stop13h 16m

$369

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sat 5/3

7:01 pm-10:32 pm

2 stops24h 31m

San Juan Luis Munoz Marin Intl

Fri 5/16

1:33 am-4:45 pm

3 stops18h 12m

$409

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sat 5/10

1:37 pm-11:31 am

2 stops18h 54m

San Juan Luis Munoz Marin Intl

Sat 5/17

4:15 pm-2:54 pm

1 stop25h 39m

$437

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 5/19

6:07 pm-10:59 am

2 stops13h 52m

San Juan Luis Munoz Marin Intl

Mon 6/2

6:10 am-11:07 pm

1 stop19h 57m

$452

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 9/16

11:59 pm-2:44 pm

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:05 am-8:53 am

1 stop10h 48m

$459

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 6/12

11:35 pm-4:40 pm

1 stop14h 05m

San Juan Luis Munoz Marin Intl

Mon 6/16

12:35 pm-10:10 pm

1 stop12h 35m

$551

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 5/22

1:50 pm-8:21 pm

2 stops27h 31m

San Juan Luis Munoz Marin Intl

Wed 5/28

8:00 am-1:05 pm

2 stops32h 05m

$577

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/6

5:25 pm-10:20 am

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Mon 5/12

7:40 am-6:35 pm

2 stops13h 55m

$583

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 6/13

11:59 pm-3:16 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Sat 6/21

4:20 pm-5:34 pm

1 stop28h 14m

$637

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 5/12

5:40 pm-11:31 am

2 stops14h 51m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 18 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
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 April 11, 2025.

Booking 85 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, September is the cheapest month in which you can book a flight from Portland to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Portland to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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.

What is the cheapest time of day to fly from PDX to SJU?

Find hourly flight availability from Portland to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from Portland to San Juan Luis Munoz Marin Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 30% versus a flight in the morning.

What is the cheapest day to fly from Portland to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 17, 2025.
To help decide which airline to fly from Portland to San Juan, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • What airport do you fly from for flights from Portland to San Juan Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from Portland to San Juan Luis Munoz Marin Intl per day from 8 different airlines.

  • What are the cheapest airlines flying from Portland to San Juan Luis Munoz Marin Intl Airport round-trip?

    According to our current data, Delta ($369), Spirit Airlines ($409), and American Airlines ($452) offers the cheapest pricing from Portland to San Juan Luis Munoz Marin Intl Airport. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland to San Juan Luis Munoz Marin Intl Airport one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $144. JetBlue flights start at $180 while deals on American Airlines start at $185 one-way.

  • Where are the most common layover locations when flying from Portland to San Juan Luis Munoz Marin Intl Airport?

    The most popular layover on flights from Portland to San Juan Luis Munoz Marin Intl Airport is Miami.

  • What are some popular things to do or see while on a layover in Miami?

    Most Miami visitors opt to spend their time experiencing Wynwood Art District, Bayfront Park, and Bayside Marketplace. Travelers on a layover in Miami can visit Wynwood Art District, Bayfront Park, and Bayside Marketplace, by traveling 5.5 mi, 6.4 mi, and 6.4 mi, respectively after landing at Miami. Travelers in need of a car in Miami can rent one for about $24 per day.

  • Where are the least popular layover locations for Portland to San Juan Luis Munoz Marin Intl Airport flights?

    Portland to San Juan Luis Munoz Marin Intl Airport flights have a layover in Atlanta least often.

  • Can I find deals for flights from Portland to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Portland to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Portland to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Portland to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Portland to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
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Humacao
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Alternative routes for Portland to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Luis Munoz Marin Intl flights
Eugene to Luis Munoz Marin Intl flights
Medford to Luis Munoz Marin Intl flights

Top 8 airlines flying from Portland to Luis Munoz Marin Intl

Discover the top 8 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$145Average$306FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$245Average$363FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$288Average$382FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$298Average$566FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$576FlexibilityNo cancel feeOn-time71%
DeltaCheapest$359Average$619FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$450Average$651FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$475Average$717FlexibilityNo cancel feeOn-time83%

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