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Luis Munoz Marin Intl

$161+ 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
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$369
(Delta)

One-way from

$161
(FlightHub)

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. 13% potential increase in price ($83 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 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:14 amPDX - SJU
1 stop13h 28mDelta
Mon 6/91:31 pmSJU - PDX
2 stops13h 58mDelta
Deal found 4/28$369
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:40 pmPDX - SJU
3 stops38h 51mSpirit Airlines
Thu 5/151:59 amSJU - PDX
3 stops37h 43mSpirit Airlines
Deal found 4/29$384
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:45 pmPDX - SJU
1 stop10h 15mUnited Airlines
Mon 9/227:00 amSJU - PDX
2 stops16h 37mUnited Airlines
Deal found 4/28$387
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1211:35 pmPDX - SJU
1 stop13h 14mJetBlue
Mon 6/1612:55 pmSJU - PDX
1 stop12h 20mJetBlue
Deal found 4/28$412
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/276:07 pmPDX - SJU
2 stops13h 52mAmerican Airlines
Tue 6/36:30 amSJU - PDX
2 stops13h 34mAmerican Airlines
Deal found 4/28$432
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/134:35 pmPDX - SJU
3 stops39h 04mMultiple Airlines
Thu 6/191:44 pmSJU - PDX
2 stops31h 00mMultiple Airlines
Deal found 4/29$440
This Southwest deal was found by Cheapflights users on 4/28. 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 7/226:05 amPDX - SJU
2 stops12h 10mSouthwest
Thu 8/75:00 amSJU - PDX
2 stops11h 55mSouthwest
Deal found 4/28$579
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:30 pmPDX - SJU
1 stop17h 41mSun Country Air
Sun 5/254:15 pmSJU - PDX
1 stop28h 16mSun Country Air
Deal found 4/28$627

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 29, 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

Mon 6/2

7:14 am-11:42 pm

1 stop13h 28m

San Juan Luis Munoz Marin Intl

Mon 6/9

1:31 pm-12:29 am

2 stops13h 58m

$369

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/13

5:40 pm-11:31 am

3 stops38h 51m

San Juan Luis Munoz Marin Intl

Thu 5/15

1:59 am-12:42 pm

3 stops37h 43m

$384

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 6/12

11:35 pm-3:49 pm

1 stop13h 14m

San Juan Luis Munoz Marin Intl

Mon 6/16

12:55 pm-10:15 pm

1 stop12h 20m

$412

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/27

6:07 pm-10:59 am

2 stops13h 52m

San Juan Luis Munoz Marin Intl

Tue 6/3

6:30 am-5:04 pm

2 stops13h 34m

$432

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 6/13

4:35 pm-10:39 am

3 stops39h 04m

San Juan Luis Munoz Marin Intl

Thu 6/19

1:44 pm-5:44 pm

2 stops31h 00m

$440

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 5/27

8:30 am-11:54 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Mon 6/2

1:05 am-12:22 pm

2 stops14h 17m

$496

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 7/22

6:05 am-9:15 pm

2 stops12h 10m

San Juan Luis Munoz Marin Intl

Thu 8/7

5:00 am-1:55 pm

2 stops11h 55m

$579

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 5/16

6:30 pm-3:11 pm

1 stop17h 41m

San Juan Luis Munoz Marin Intl

Sun 5/25

4:15 pm-5:31 pm

1 stop28h 16m

$627

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 5/12

5:40 pm-11:31 am

2 stops14h 51m

$161

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 7/1

5:18 am-11:54 pm

2 stops15h 36m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 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 Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 25, 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 29, 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 29, 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
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($384), and JetBlue ($412) 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 $161. Delta flights start at $185 while deals on JetBlue start at $232 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
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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$223Average$306FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$245Average$373FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$288Average$380FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$298Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$575FlexibilityNo cancel feeOn-time71%
DeltaCheapest$366Average$613FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$450Average$650FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$475Average$717FlexibilityNo cancel feeOn-time83%

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