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Puerto Rico

$121+ Cheap flights from Portland, ME (PWM) to Puerto Rico

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Portland to Puerto Rico

Keep the following information in mind while searching for Portland to Puerto Rico flight deals. Data was last updated April 30, 2025.

Round-trip from

$298
(Frontier)

One-way from

$121
(United Airlines)

Popular in

April

Cheapest in

September

Average price

$636
From Portland to Puerto Rico
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One-way flight from Portland to Puerto Rico
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Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 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 Puerto Rico

Cheapest flights from Portland to Puerto Rico
Explore the most affordable flight options available from Portland to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Frontier deal was found by Cheapflights users on 4/27. 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.
Sat 5/107:30 pmPWM - SJU
1 stop13h 06mFrontier
Thu 5/156:00 amSJU - PWM
1 stop14h 29mFrontier
Deal found 4/27$298
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.
Sun 5/256:35 amPWM - SJU
1 stop10h 09mDelta
Sun 6/11:12 pmSJU - PWM
1 stop11h 02mDelta
Deal found 4/28$304
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:29 pmPWM - PSE
1 stop11h 27mFrontier
Sun 5/189:46 amPSE - PWM
1 stop9h 47mFrontier
Deal found 4/28$308
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.
Sat 6/142:19 pmPWM - SJU
1 stop10h 35mJetBlue
Thu 6/193:23 amSJU - PWM
1 stop10h 00mJetBlue
Deal found 4/28$380
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.
Wed 5/284:01 pmPWM - SJU
1 stop6h 29mAmerican Airlines
Wed 6/47:15 amSJU - PWM
2 stops13h 32mAmerican Airlines
Deal found 4/28$388
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:13 amPWM - SJU
2 stops14h 25mUnited Airlines
Fri 5/164:55 pmSJU - PWM
1 stop6h 32mUnited Airlines
Deal found 4/29$421
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 4/292:20 pmPWM - SJU
1 stop8h 10mSouthwest
Sat 5/32:20 pmSJU - PWM
2 stops9h 05mSouthwest
Deal found 4/28$480
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:16 pmPWM - SJU
3 stops41h 41mMultiple Airlines
Sun 6/152:36 amSJU - PWM
1 stop16h 02mMultiple Airlines
Deal found 4/28$670

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Puerto Rico 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 30, 2025.
Use the filters below to find and compare flights from Portland to Puerto Rico that are best for you.

Fly from

Portland

Fly to

Puerto Rico

Route

Depart

Return

Price

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 5/10

7:30 pm-8:36 am

1 stop13h 06m

San Juan Luis Munoz Marin Intl

Thu 5/15

6:00 am-8:29 pm

1 stop14h 29m

$298

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sun 5/25

6:35 am-4:44 pm

1 stop10h 09m

San Juan Luis Munoz Marin Intl

Sun 6/1

1:12 pm-12:14 am

1 stop11h 02m

$304

PortlandPonce

PWM - PSE

PWMPSE

Portland

Thu 5/15

9:29 pm-8:56 am

1 stop11h 27m

Ponce Mercedita

Sun 5/18

9:46 am-7:33 pm

1 stop9h 47m

$308

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 6/14

2:19 pm-12:54 am

1 stop10h 35m

San Juan Luis Munoz Marin Intl

Thu 6/19

3:23 am-1:23 pm

1 stop10h 00m

$380

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Wed 5/28

4:01 pm-10:30 pm

1 stop6h 29m

San Juan Luis Munoz Marin Intl

Wed 6/4

7:15 am-8:47 pm

2 stops13h 32m

$388

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 5/13

6:13 am-8:38 pm

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Fri 5/16

4:55 pm-11:27 pm

1 stop6h 32m

$421

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 5/3

5:00 pm-11:35 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Mon 5/5

10:45 am-11:20 pm

2 stops12h 35m

$490

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Fri 6/13

6:16 pm-11:57 am

3 stops41h 41m

San Juan Luis Munoz Marin Intl

Sun 6/15

2:36 am-6:38 pm

1 stop16h 02m

$670

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 5/20

6:00 am-1:45 pm

1 stop7h 45m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Portland to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Portland, Maine to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Puerto Rico (average of $254). Flying from Portland, Maine to Puerto Rico 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 PWM to PR?

Find hourly flight availability from Portland to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from Portland, Maine to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated April 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Portland to Puerto Rico to help guide your decision. 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
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Portland to Puerto Rico. 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 Puerto Rico?

    Most people fly from Portland (PWM) if they book a flight from Portland to Puerto Rico. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • What are the most popular routes from Portland, Maine to Puerto Rico?

    The most popular flight routes from Portland, Maine to Puerto Rico are Portland - San Juan Luis Munoz Marin Intl, Portland - Ponce Mercedita and Portland - Vieques.

  • Can I find deals for flights from Portland to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Portland to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Puerto Rico?

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

  • Can I find deals for business class flights from Portland to Puerto Rico?

    Yes. Cheapflights offers flight deals from Portland to Puerto Rico 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 Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Puerto Rico (average of $254). Flying from Portland, Maine to Puerto Rico 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

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Alternative routes for Portland to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Portland to Puerto Rico

Discover the top 6 airlines that operate flights from Portland to Puerto Rico. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$145Average$229FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$214Average$374FlexibilityNo cancel feeOn-time62%
DeltaCheapest$274Average$428FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$295Average$492FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$301Average$576FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$401Average$660FlexibilityNo cancel feeOn-time63%

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