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$163+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — PDX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Portland are usually found in February or March, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:11 amSJU - PDX
2 stops13h 45mFrontier
Tue 11/181:26 pmPDX - SJU
2 stops17h 53mFrontier
Deal found 10/30$338
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:59 amSJU - PDX
2 stops13h 57mFrontier
Mon 11/177:29 pmPDX - SJU
2 stops18h 25mFrontier
Deal found 10/28$342
This Southwest deal was found by Cheapflights users on 10/30. 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 12/42:05 pmSJU - PDX
2 stops12h 30mSouthwest
Sun 12/77:10 pmPDX - SJU
2 stops11h 15mSouthwest
Deal found 10/30$397
This Delta deal was found by Cheapflights users on 10/30. 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 12/43:32 pmSJU - PDX
1 stop10h 47mDelta
Sun 12/77:09 pmPDX - SJU
2 stops15h 05mDelta
Deal found 10/30$419
This American Airlines deal was found by Cheapflights users on 10/30. 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 12/2210:25 amSJU - PDX
1 stop18h 34mAmerican Airlines
Tue 1/611:01 pmPDX - SJU
1 stop15h 21mAmerican Airlines
Deal found 10/30$427
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/187:15 amSJU - PDX
2 stops16h 34mAmerican Airlines
Thu 12/410:15 pmPDX - SJU
1 stop19h 54mAmerican Airlines
Deal found 10/30$482
This eDestinos deal was found by Cheapflights users on 10/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:55 amSJU - PDX
2 stops35h 48mMultiple Airlines
Fri 1/211:20 pmPDX - SJU
2 stops29h 19mMultiple Airlines
Deal found 10/30$486

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$338
(Frontier)

One-way from

$163
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$567
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. 13% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 2025.
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

Fri 2/6

11:20 am-10:30 pm

2 stops15h 10m

Portland

Mon 2/9

6:45 am-12:05 am

2 stops13h 20m

$375

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 12/4

2:05 pm-10:35 pm

2 stops12h 30m

Portland

Sun 12/7

7:10 pm-10:25 am

2 stops11h 15m

$397

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 2/6

3:55 pm-10:15 pm

1 stop10h 20m

Portland

Mon 2/9

7:37 pm-2:10 pm

2 stops14h 33m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 12/4

3:46 pm-10:57 pm

1 stop11h 11m

Portland

Sun 12/7

11:28 pm-2:40 pm

1 stop11h 12m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 2/6

2:15 pm-9:49 pm

1 stop11h 34m

Portland

Mon 2/9

7:00 am-9:00 pm

1 stop10h 00m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 12/4

1:55 pm-10:19 pm

1 stop12h 24m

Portland

Sun 12/7

10:10 pm-2:14 pm

1 stop12h 04m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Mon 12/22

4:38 pm-12:59 am

1 stop12h 21m

Portland

Tue 1/6

11:01 pm-6:22 pm

1 stop15h 21m

$465

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 2/26

6:15 am-8:47 pm

2 stops18h 32m

Portland

Mon 3/2

6:04 am-11:49 pm

1 stop13h 45m

$472

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Sat 11/22

7:11 am-3:07 pm

2 stops35h 56m

$163

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Wed 1/7

1:22 pm-11:52 am

2 stops26h 30m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 18 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 October.
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 October 24, 2025.

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 $488). 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 SJU to PDX?

Find hourly flight availability from Luis Munoz Marin Intl to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from San Juan Luis Munoz Marin Intl Airport to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the morning.

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 October 30, 2025.
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
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 Southwest, Delta, and United Airlines fly from San Juan Luis Munoz Marin Intl Airport to Portland in about 10h 20m. The time it takes to get you to your destination can typically vary by up to 4h 50m. The distance between San Juan Luis Munoz Marin Intl Airport and Portland is about 3710 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $242, 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 $349 and $406, respectively. Users have found that Delta is 54% cheaper than the other options available to this destination.

  • 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 $488). 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
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
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Gresham
Tillamook
Troutdale

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$522FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$349Average$516FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$406Average$573FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$466Average$565FlexibilityNo cancel feeOn-time63%

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