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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $142 and $146 on United Airlines and American Airlines, respectively.

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.

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).

What are the most popular airlines that fly from Portland, Maine to San Juan Luis Munoz Marin Intl Airport?

Before booking your flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport check out the most popular airlines for this route: Delta, American Airlines or Southwest.

Most accurate provider : When it comes to deals on Portland, Maine-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-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, Maine-San Juan Luis Munoz Marin Intl Airport 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 Portland, Maine-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.

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

Most people fly from Portland (PWM) if they book a flight from Portland to San Juan Luis Munoz Marin Intl. On average, Portland has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 6 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

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.

$87+ Flights from Portland, ME to San Juan Luis Munoz Marin Intl Airport

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Cheap 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 December 28, 2025.

Tue 12/305:20 pmPWM - SJU

2 stops15h 15mAmerican Airlines

Mon 1/195:20 pmSJU - PWM

1 stop6h 34mAmerican Airlines

Deal found 12/27

$579

Tue 12/305:30 amPWM - SJU

1 stop6h 45mSouthwest

Mon 1/195:00 pmSJU - PWM

1 stop6h 45mSouthwest

Deal found 12/27

$722

Sun 12/285:45 amPWM - SJU

1 stop10h 45mDelta

Tue 12/303:45 amSJU - PWM

1 stop9h 35mDelta

Deal found 12/26

$907

Mon 12/299:30 amPWM - SJU

2 stops19h 41mUnited Airlines

Thu 1/12:05 amSJU - PWM

2 stops13h 09mUnited Airlines

Deal found 12/26

$956

Sun 12/285:48 amPWM - SJU

2 stops15h 17mAmerican Airlines

Wed 12/318:25 amSJU - PWM

1 stop15h 26mAmerican Airlines

Deal found 12/26

$965

Sun 12/284:10 pmPWM - SJU

2 stops29h 12mUnited Airlines

Fri 1/28:30 amSJU - PWM

1 stop7h 10mUnited Airlines

Deal found 12/27

$1,340

Sun 12/285:30 amPWM - SJU

1 stop6h 45mSouthwest

Mon 1/55:40 amSJU - PWM

2 stops12h 10mSouthwest

Deal found 12/27

$1,560

Sun 12/287:30 pmPWM - SJU

1 stop25h 52mUnited Airlines

Mon 1/58:30 amSJU - PWM

1 stop7h 10mUnited Airlines

Deal found 12/27

$1,644

Best flights from Portland to Luis Munoz Marin Intl
Discover carefully curated flight deals from Portland to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sat 4/259:30 amPWM - SJU

1 stop11h 04mUnited Airlines

Wed 4/291:00 amSJU - PWM

1 stop7h 44mUnited Airlines

Deal found 12/26

$211

Mon 3/24:45 pmPWM - SJU

1 stop8h 00mJetBlue

Wed 3/46:05 amSJU - PWM

1 stop10h 45mJetBlue

Deal found 12/26

$274

Wed 1/76:16 amPWM - SJU

1 stop9h 34mDelta

Sat 1/176:05 pmSJU - PWM

1 stop6h 54mDelta

Deal found 12/27

$275

Tue 2/105:30 amPWM - SJU

1 stop10h 47mDelta

Wed 2/257:00 amSJU - PWM

1 stop7h 43mDelta

Deal found 12/27

$275

Mon 1/126:00 amPWM - SJU

2 stops14h 00mUnited Airlines

Thu 1/152:05 amSJU - PWM

1 stop7h 56mUnited Airlines

Deal found 12/27

$294

Sun 3/226:25 amPWM - SJU

1 stop9h 32mDelta

Mon 3/305:10 pmSJU - PWM

1 stop6h 49mDelta

Deal found 12/27

$275

Sat 1/242:31 pmPWM - SJU

1 stop6h 51mUnited Airlines

Fri 2/62:05 amSJU - PWM

2 stops13h 34mUnited Airlines

Deal found 12/27

$301

Tue 2/105:30 amPWM - SJU

1 stop10h 47mDelta

Tue 2/246:02 pmSJU - PWM

1 stop7h 16mDelta

Deal found 12/27

$275

Tue 2/105:30 amPWM - SJU

1 stop10h 47mDelta

Fri 2/272:16 pmSJU - PWM

1 stop11h 02mDelta

Deal found 12/27

$275

Wed 2/115:30 amPWM - SJU

1 stop8h 01mDelta

Tue 2/246:02 pmSJU - PWM

1 stop7h 16mDelta

Deal found 12/27

$301

Last-minute flights from Portland to Luis Munoz Marin Intl
Discover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated December 28, 2025 and is based on user searches.

Sat 1/31:01 pmPWM - SJU

1 stop9h 58mDelta

Wed 1/142:15 pmSJU - PWM

1 stop11h 05mDelta

Deal found 12/27

$301

Mon 1/56:00 amPWM - SJU

1 stop7h 40mUnited Airlines

Thu 1/152:05 amSJU - PWM

1 stop7h 56mUnited Airlines

Deal found 12/27

$333

Mon 1/56:05 pmPWM - SJU

2 stops32h 08mMultiple Airlines

Thu 1/153:31 pmSJU - PWM

1 stop20h 18mMultiple Airlines

Deal found 12/27

$337

Mon 1/512:37 pmPWM - SJU

1 stop10h 22mAmerican Airlines

Fri 1/161:58 pmSJU - PWM

2 stops10h 45mAmerican Airlines

Deal found 12/27

$349

Wed 1/76:16 amPWM - SJU

1 stop9h 34mDelta

Thu 1/152:15 pmSJU - PWM

1 stop11h 05mDelta

Deal found 12/27

$275

Fri 1/93:58 pmPWM - SJU

1 stop6h 58mAmerican Airlines

Mon 1/126:30 amSJU - PWM

1 stop6h 35mAmerican Airlines

Deal found 12/26

$321

Sun 1/116:00 amPWM - SJU

1 stop16h 56mAmerican Airlines

Tue 1/202:28 pmSJU - PWM

2 stops10h 15mAmerican Airlines

Deal found 12/26

$348

Mon 1/123:12 pmPWM - SJU

1 stop8h 24mUnited Airlines

Thu 1/152:05 amSJU - PWM

1 stop7h 56mUnited Airlines

Deal found 12/27

$294

Thu 1/225:20 amPWM - SJU

2 stops14h 30mAmerican Airlines

Mon 1/265:20 pmSJU - PWM

1 stop6h 34mAmerican Airlines

Deal found 12/26

$303

Sat 1/316:18 pmPWM - SJU

1 stop29h 16mMultiple Airlines

Fri 2/64:26 pmSJU - PWM

1 stop26h 12mMultiple Airlines

Deal found 12/26

$305

Sat 1/316:18 pmPWM - SJU

1 stop29h 16mMultiple Airlines

Sun 2/88:05 pmSJU - PWM

1 stop14h 02mMultiple Airlines

Deal found 12/26

$313

One-way flights from Portland to Luis Munoz Marin Intl
Search for one-way flight options from Portland to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 3/164:28 pmPWM - SJU

1 stop8h 31mJetBlue

Deal found 12/27

$87

Tue 3/176:00 amPWM - SJU

1 stop7h 40mUnited Airlines

Deal found 12/27

$106

Wed 2/185:31 amPWM - SJU

2 stops14h 05mAmerican Airlines

Deal found 12/26

$116

Wed 2/182:35 pmPWM - SJU

1 stop8h 21mDelta

Deal found 12/26

$138

Thu 1/86:00 amPWM - SJU

2 stops14h 00mUnited Airlines

Deal found 12/26

$154

Fri 1/25:30 amPWM - SJU

1 stop6h 47mUnited Airlines

Deal found 12/27

$164

Thu 1/83:30 pmPWM - SJU

1 stop6h 40mSouthwest

Deal found 12/26

$181

Sat 1/1012:40 pmPWM - SJU

1 stop10h 16mAmerican Airlines

Deal found 12/28

$188

Wed 1/75:20 amPWM - SJU

2 stops12h 02mAmerican Airlines

Deal found 12/28

$189

Thu 1/811:01 amPWM - SJU

3 stops35h 43mMultiple Airlines

Deal found 12/26

$221

Sat 3/142:53 pmPWM - SJU

1 stop9h 18mJetBlue

Deal found 12/27

$223

Tue 3/176:14 pmPWM - SJU

3 stops31h 05mMultiple Airlines

Deal found 12/27

$234

Find flight deals from Portland to Luis Munoz Marin Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$211 (United Airlines)
One-way from	$87 (JetBlue)
Popular in	February
Cheapest in	November
Average price	$524

Provider with most accurate pricing for Portland-San Juan Luis Munoz Marin Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-San Juan Luis Munoz Marin Intl flights.

Search Deals

From Portland to San Juan Luis Munoz Marin Intl

Search Deals

One-way flight from Portland to San Juan Luis Munoz Marin Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 4/25

9:30 am-8:34 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 am-8:44 am

1 stop7h 44m

$211

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 3/2

4:45 pm-1:45 am

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:05 am-3:50 pm

1 stop10h 45m

$274

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Wed 1/7

6:16 am-4:50 pm

1 stop9h 34m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:05 pm-11:59 pm

1 stop6h 54m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 2/10

5:30 am-5:17 pm

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Wed 2/25

7:00 am-1:43 pm

1 stop7h 43m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sun 3/22

6:25 am-3:57 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Mon 3/30

5:10 pm-11:59 pm

1 stop6h 49m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 2/10

5:30 am-5:17 pm

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:02 pm-12:18 am

1 stop7h 16m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 2/10

5:30 am-5:17 pm

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:16 pm-12:18 am

1 stop11h 02m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 1/12

6:00 am-9:00 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Thu 1/15

2:05 am-9:01 am

1 stop7h 56m

$294

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 1/24

2:31 pm-10:22 pm

1 stop6h 51m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-2:39 pm

2 stops13h 34m

$301

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Wed 2/11

5:30 am-2:31 pm

1 stop8h 01m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:02 pm-12:18 am

1 stop7h 16m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 20 results

Compare providers for flights from Portland to Luis Munoz Marin Intl

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust 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, Maine-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-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, Maine-San Juan Luis Munoz Marin Intl Airport 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 Portland, Maine-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, Maine to San Juan Luis Munoz Marin Intl Airport?

The best time to book flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport (average of $88). Flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $177). 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 PWM to SJU?

When flying from Portland, Maine 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 evening, which can drop the price by up to 45% versus a flight in the morning.

Reviews of airlines servicing Luis Munoz Marin Intl

See what other customers who have flown with Southwest, Delta, and United Airlines from Portland to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,256 reviews

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

4,256 reviews

Southwest

8.0

Very good

4,256 reviews

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

8,019 reviews

Southwest

8.0

Very good

4,256 reviews

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

9,113 reviews

Southwest

8.0

Very good

4,256 reviews

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

11,073 reviews

Southwest

8.0

Very good

4,256 reviews

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

JetBlue

7.2

Good

2,901 reviews

Southwest

8.0

Very good

4,256 reviews

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

What airport do you fly from for flights from Portland to San Juan Luis Munoz Marin Intl?
Most people fly from Portland (PWM) if they book a flight from Portland to San Juan Luis Munoz Marin Intl. On average, Portland has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 6 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.
How long is the flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport?
Departing from Portland, Maine to San Juan Luis Munoz Marin Intl Airport will take you 8h. There are 1758 mi between Portland, Maine and San Juan Luis Munoz Marin Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport round-trip?
Cheapflights users have booked flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport round-trip from $145. Other airlines that can offer you cheap pricing are Delta, from $176, and JetBlue, from $231. Users have found that Frontier is 68% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Portland, Maine to San Juan Luis Munoz Marin Intl Airport one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $142 and $146 on United Airlines and American Airlines, respectively.
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, Maine to San Juan Luis Munoz Marin Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport (average of $88). Flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $177). 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

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Luquillo

Bayamón

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Top 6 airlines flying from Portland to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$145	Average$158	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$188	Average$386	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$231	Average$495	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$241	Average$618	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$296	Average$612	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$315	Average$599	FlexibilityNo cancel fee	On-time63%

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$87+ Cheap flights from Portland, ME (PWM) 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Luis Munoz Marin Intl with Cheapflights

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Cheap flight deals from Portland to Luis Munoz Marin Intl

Cheapest flights from Portland to Luis Munoz Marin IntlExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Portland to Luis Munoz Marin Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to San Juan Luis Munoz Marin Intl Airport that are best for you.

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 December.

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.

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, Maine to San Juan Luis Munoz Marin Intl Airport?

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

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

Reviews of airlines servicing Luis Munoz Marin Intl

See what other customers who have flown with Southwest, Delta, and United Airlines from Portland to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

How can I 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?

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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 6 airlines flying from Portland to Luis Munoz Marin Intl

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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 December 28, 2025.