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$198+ Cheap flights from Luis Munoz Marin Intl (SJU) to Portland (PDX)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — PDX
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Portland (PDX). 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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$420
(American Airlines)

One-way from

$198
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$509
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Portland flights.
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From San Juan Luis Munoz Marin Intl to Portland
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One-way flight from San Juan Luis Munoz Marin Intl to Portland
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Highest demand for flights based on searches. 6% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Luis Munoz Marin Intl to Portland

Cheapest flights from Luis Munoz Marin Intl to Portland
Explore the most affordable flight options available from Luis Munoz Marin Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 2/108:20 amSJU - PDX
2 stops16h 07mAmerican Airlines
Sat 2/1411:40 pmPDX - SJU
1 stop11h 31mAmerican Airlines
Deal found 1/6$420
This American Airlines deal was found by Cheapflights users on 1/6. 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 3/242:39 pmSJU - PDX
1 stop12h 41mAmerican Airlines
Mon 4/136:00 amPDX - SJU
1 stop19h 32mAmerican Airlines
Deal found 1/6$427
This American Airlines deal was found by Cheapflights users on 1/5. 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 3/57:33 amSJU - PDX
2 stops13h 40mAmerican Airlines
Sun 3/89:44 pmPDX - SJU
1 stop12h 09mAmerican Airlines
Deal found 1/5$432
This American Airlines deal was found by Cheapflights users on 1/6. 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 4/36:00 amSJU - PDX
1 stop21h 22mAmerican Airlines
Mon 4/611:59 pmPDX - SJU
1 stop20h 02mAmerican Airlines
Deal found 1/6$458
This American Airlines deal was found by Cheapflights users on 1/4. 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 3/244:25 pmSJU - PDX
1 stop10h 55mAmerican Airlines
Wed 4/157:13 amPDX - SJU
2 stops12h 48mAmerican Airlines
Deal found 1/4$471
This Southwest deal was found by Cheapflights users on 1/5. 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 5/275:05 amSJU - PDX
2 stops18h 55mSouthwest
Tue 6/26:30 amPDX - SJU
2 stops13h 10mSouthwest
Deal found 1/5$473
This American Airlines deal was found by Cheapflights users on 1/6. 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 4/37:11 amSJU - PDX
1 stop20h 11mAmerican Airlines
Sat 4/181:09 pmPDX - SJU
2 stops12h 23mAmerican Airlines
Deal found 1/6$474
This Delta deal was found by Cheapflights users on 1/6. 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.
Thu 1/223:55 pmSJU - PDX
2 stops12h 00mDelta
Mon 1/265:15 pmPDX - SJU
2 stops15h 50mDelta
Deal found 1/6$483
This Southwest deal was found by Cheapflights users on 1/5. 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 3/56:30 amSJU - PDX
2 stops11h 55mSouthwest
Sun 3/88:55 amPDX - SJU
2 stops13h 45mSouthwest
Deal found 1/5$489
This American Airlines deal was found by Cheapflights users on 1/7. 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 3/314:25 pmSJU - PDX
1 stop10h 55mAmerican Airlines
Tue 4/1411:40 pmPDX - SJU
1 stop20h 21mAmerican Airlines
Deal found 1/7$493

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Portland 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 January 7, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Portland that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Portland

Route

Depart

Return

Price

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Tue 2/10

1:24 pm-11:46 pm

1 stop14h 22m

Portland

Sat 2/14

5:43 pm-10:00 am

2 stops12h 17m

$420

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Wed 4/1

6:00 am-12:22 am

1 stop21h 22m

Portland

Wed 4/8

6:00 am-11:01 pm

1 stop14h 01m

$420

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 4/3

7:11 am-12:22 am

1 stop20h 11m

Portland

Sat 4/18

6:00 am-4:32 am

1 stop19h 32m

$420

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 5/1

11:59 pm-11:01 am

1 stop14h 02m

Portland

Fri 5/8

11:59 pm-2:12 pm

1 stop11h 13m

$427

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Tue 3/24

2:39 pm-12:20 am

1 stop12h 41m

Portland

Mon 4/13

6:00 am-4:32 am

1 stop19h 32m

$427

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 3/5

7:00 am-11:50 pm

1 stop20h 50m

Portland

Sun 3/8

9:44 pm-10:40 am

1 stop9h 56m

$432

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Tue 3/31

4:34 pm-4:54 pm

2 stops51h 20m

$198

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Wed 5/6

6:15 am-5:03 pm

2 stops13h 48m

$210

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Tue 2/17

8:00 am-11:50 pm

1 stop19h 50m

$210

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 5/8

6:50 am-8:10 pm

2 stops16h 20m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 14 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Portland

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 Luis Munoz Marin Intl to Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 San Juan Luis Munoz Marin Intl Airport-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Portland flights, Cheapflights users trust eDreams the most. eDreams 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 San Juan Luis Munoz Marin Intl Airport-Portland 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 Luis Munoz Marin Intl to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Portland

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Portland. Price data was last updated on January 2, 2026.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Portland. 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 San Juan Luis Munoz Marin Intl Airport to Portland?

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Portland (average of $228). Flying from San Juan Luis Munoz Marin Intl Airport to Portland in October is currently the most expensive (average of $481). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated January 7, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Juan Luis Munoz Marin Intl Airport to Portland. 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.
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,022 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,138 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,088 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Portland. 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 into for flights to Portland from San Juan Luis Munoz Marin Intl?

    Most people fly into Portland (PDX) if they book a flight to Portland from San Juan Luis Munoz Marin Intl. On average, Portland has 0 inbound flights from San Juan Luis Munoz Marin Intl per day from 4 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Portland?

    Airlines like American Airlines fly from San Juan Luis Munoz Marin Intl Airport to Portland in about 14h 22m. The time it takes to get you to your destination can typically vary by up to . The distance between San Juan Luis Munoz Marin Intl Airport and Portland is about 3710 mi.

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

    Currently priced at $190, Delta will fly you from San Juan Luis Munoz Marin Intl Airport to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $369 and $406, respectively. Users have found that Delta is 64% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from San Juan Luis Munoz Marin Intl Airport to Portland are American Airlines ($180), JetBlue ($180), and Delta ($184).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Portland 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 San Juan Luis Munoz Marin Intl Airport to Portland?

    Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Portland (average of $228). Flying from San Juan Luis Munoz Marin Intl Airport to Portland in October is currently the most expensive (average of $481). 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
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
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Gresham

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Alternative routes for Luis Munoz Marin Intl to Portland

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

Top 4 airlines flying from Luis Munoz Marin Intl to Portland

Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl to Portland. 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$512FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$369Average$524FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$406Average$567FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$466Average$565FlexibilityNo cancel feeOn-time63%

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