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$186+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — PDX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 January, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 September 17, 2025.

Round-trip from

$419
(Delta)

One-way from

$186
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$479
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. 11% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 10/283:00 pmSJU - PDX
1 stop11h 06mAmerican Airlines
Tue 11/410:45 pmPDX - SJU
1 stop10h 58mAmerican Airlines
Deal found 9/15$419
This Southwest deal was found by Cheapflights users on 9/16. 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 10/305:50 amSJU - PDX
2 stops14h 30mSouthwest
Tue 11/48:00 amPDX - SJU
2 stops12h 35mSouthwest
Deal found 9/16$450
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/287:05 amSJU - PDX
2 stops12h 59mAmerican Airlines
Tue 11/115:42 pmPDX - SJU
2 stops14h 23mAmerican Airlines
Deal found 9/15$457
This Sun Country Air deal was found by Cheapflights users on 9/15. 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.
Sun 9/219:00 amSJU - PDX
1 stop11h 30mSun Country Air
Fri 9/266:24 pmPDX - SJU
1 stop17h 47mSun Country Air
Deal found 9/15$459
This eDestinos deal was found by Cheapflights users on 9/15. 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.
Mon 10/61:59 amSJU - PDX
3 stops36h 49mMultiple Airlines
Sat 10/115:38 pmPDX - SJU
2 stops18h 46mMultiple Airlines
Deal found 9/15$464
This Frontier deal was found by Cheapflights users on 9/15. 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.
Mon 9/229:07 amSJU - PDX
2 stops18h 05mFrontier
Sat 9/278:02 amPDX - SJU
2 stops22h 50mFrontier
Deal found 9/15$470
This Delta deal was found by Cheapflights users on 9/15. 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 10/71:06 pmSJU - PDX
2 stops13h 51mDelta
Sat 10/117:12 amPDX - SJU
1 stop13h 44mDelta
Deal found 9/15$482
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/113:00 pmSJU - PDX
1 stop11h 06mAmerican Airlines
Tue 10/1411:59 pmPDX - SJU
2 stops12h 55mAmerican Airlines
Deal found 9/16$492
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 10/16:44 amSJU - PDX
2 stops31h 27mMultiple Airlines
Sun 10/56:16 pmPDX - SJU
2 stops29h 35mMultiple Airlines
Deal found 9/15$493
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/143:00 pmSJU - PDX
1 stop21h 31mAmerican Airlines
Wed 10/225:05 amPDX - SJU
2 stops14h 05mAmerican Airlines
Deal found 9/16$495

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 September 17, 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

Tue 10/7

1:06 pm-11:57 pm

2 stops13h 51m

Portland

Sat 10/18

7:12 am-11:56 pm

1 stop13h 44m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 2/26

7:30 am-8:47 pm

2 stops17h 17m

Portland

Mon 3/2

9:45 pm-1:00 pm

1 stop11h 15m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 10/30

12:46 pm-10:08 pm

1 stop12h 22m

Portland

Tue 11/4

7:12 am-12:56 am

1 stop13h 44m

$419

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Thu 10/9

1:06 pm-11:57 pm

2 stops13h 51m

Portland

Fri 10/17

12:40 am-4:25 pm

2 stops12h 45m

$482

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Tue 10/28

7:00 am-10:27 pm

2 stops18h 27m

Portland

Mon 11/10

12:35 am-5:20 pm

2 stops12h 45m

$482

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 10/24

7:43 pm-11:48 am

2 stops19h 05m

$195

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Fri 10/24

7:45 am-8:17 pm

1 stop15h 32m

$210

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Wed 10/8

7:00 am-6:33 pm

2 stops14h 33m

$210

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Wed 10/8

7:15 am-7:06 pm

1 stop14h 51m

$210

San JuanPortland

SJU - PDX

SJUPDX

San Juan Luis Munoz Marin Intl

Mon 10/20

1:05 am-8:53 am

1 stop10h 48m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 14 results
1
2

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 September 12, 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, November is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Portland (average of $277). Flying from San Juan Luis Munoz Marin Intl Airport to Portland in March is currently the most expensive (average of $368). 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 September 17, 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 20% 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 September 17, 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
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

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
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

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
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

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 Delta fly from San Juan Luis Munoz Marin Intl Airport to Portland in about 13h 51m. 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 $248, 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 $353 and $406, respectively. Users have found that Delta is 52% 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, November is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Portland (average of $277). Flying from San Juan Luis Munoz Marin Intl Airport to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$512FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$353Average$517FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$406Average$587FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$424Average$565FlexibilityNo cancel feeOn-time63%

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