Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Puerto Rico from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Puerto Rico departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Puerto Rico

Cheap round-trip flights

American Airlines Logo
5:51 am - 11:40 pmPWM-SJU
16h 49m1 stop
American Airlines Logo
5:01 pm - 10:29 pmSJU-PWM
6h 28m1 stop
$235American Airlines
Find Deal
Sat, Jan 24 - Sat, Feb 7
Delta Logo
6:35 am - 5:20 pmPWM-SJU
9h 45m1 stop
Delta Logo
7:15 am - 1:50 pmSJU-PWM
7h 35m1 stop
$275Delta
Find Deal
Sat, Nov 15 - Wed, Nov 19
JetBlue Logo
7:09 am - 2:54 pmPWM-SJU
7h 45m1 stop
JetBlue Logo
6:00 am - 1:22 pmSJU-PWM
7h 22m1 stop
$279JetBlue
Find Deal
Wed, Oct 8 - Wed, Oct 15
Delta Logo
2:41 pm - 11:44 pmPWM-SJU
9h 03m1 stop
Delta Logo
1:06 pm - 12:05 amSJU-PWM
10h 59m1 stop
$281Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
JetBlue Logo
2:17 pm - 12:47 amPWM-SJU
10h 30m1 stop
JetBlue Logo
3:03 am - 1:22 pmSJU-PWM
10h 19m1 stop
$282JetBlue
Find Deal
Fri, Oct 3 - Mon, Oct 6
American Airlines Logo
3:36 pm - 12:05 pmPWM-SJU
19h 29m2 stops
American Airlines Logo
2:47 pm - 10:54 pmSJU-PWM
9h 07m2 stops
$290American Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 19
Southwest Logo
3:30 pm - 11:20 pmPWM-SJU
6h 50m1 stop
Southwest Logo
6:40 am - 2:55 pmSJU-PWM
9h 15m1 stop
$298Southwest
Find Deal
Tue, Nov 11 - Wed, Nov 19
United Airlines Logo
4:10 pm - 6:11 amPWM-SJU
13h 01m2 stops
United Airlines Logo
2:05 am - 2:39 pmSJU-PWM
13h 34m2 stops
$312United Airlines
Find Deal
Sat, Jan 24 - Fri, Feb 6
United Airlines Logo
3:00 pm - 12:36 amPWM-SJU
8h 36m1 stop
United Airlines Logo
2:05 am - 2:12 pmSJU-PWM
13h 07m2 stops
$333United Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Southwest Logo
5:40 am - 5:25 pmPWM-SJU
10h 45m1 stop
Southwest Logo
6:10 am - 2:25 pmSJU-PWM
9h 15m1 stop
$351Southwest
Find Deal
Sat, Nov 8 - Fri, Nov 14

Delta flights from Portland, Maine to Puerto Rico

Our best Delta deals on Portland, Maine to Puerto Rico flight tickets
Delta
Nov 15
PWM6:35 amPortland
9h 45m
1 stop
SJU5:20 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU7:15 amSan Juan Luis Munoz Marin Intl
7h 35m
1 stop
PWM1:50 pmPortland
$275
Find similar
Delta
Oct 3
PWM2:41 pmPortland
9h 03m
1 stop
SJU11:44 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU1:06 pmSan Juan Luis Munoz Marin Intl
10h 59m
1 stop
PWM12:05 amPortland
$281
Find similar
Delta
Oct 1
PWM6:00 amPortland
10h 31m
1 stop
SJU4:31 pmSan Juan Luis Munoz Marin Intl
Oct 5
SJU7:00 amSan Juan Luis Munoz Marin Intl
7h 00m
1 stop
PWM2:00 pmPortland
$321
Find similar

JetBlue flights from Portland, Maine to Puerto Rico

Our best JetBlue deals on Portland, Maine to Puerto Rico flight tickets
JetBlue
Oct 8
PWM7:09 amPortland
7h 45m
1 stop
SJU2:54 pmSan Juan Luis Munoz Marin Intl
Oct 15
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 22m
1 stop
PWM1:22 pmPortland
$279
Find similar
JetBlue
Oct 3
PWM2:17 pmPortland
10h 30m
1 stop
SJU12:47 amSan Juan Luis Munoz Marin Intl
Oct 6
SJU3:03 amSan Juan Luis Munoz Marin Intl
10h 19m
1 stop
PWM1:22 pmPortland
$282
Find similar
JetBlue
Oct 8
PWM7:09 amPortland
9h 46m
1 stop
SJU4:55 pmSan Juan Luis Munoz Marin Intl
Oct 13
SJU3:03 amSan Juan Luis Munoz Marin Intl
10h 19m
1 stop
PWM1:22 pmPortland
$304
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Portland, Maine to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 1/24

5:51 am-11:40 pm

1 stop16h 49m

San Juan Luis Munoz Marin Intl

Sat 2/7

5:01 pm-10:29 pm

1 stop6h 28m

$235

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 11/15

6:35 am-5:20 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Wed 11/19

7:15 am-1:50 pm

1 stop7h 35m

$275

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Wed 10/8

7:09 am-2:54 pm

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Wed 10/15

6:00 am-1:22 pm

1 stop7h 22m

$279

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Fri 10/3

2:41 pm-11:44 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Tue 10/7

1:06 pm-12:05 am

1 stop10h 59m

$281

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Fri 10/3

2:17 pm-12:47 am

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Mon 10/6

3:03 am-1:22 pm

1 stop10h 19m

$282

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 11/18

3:36 pm-12:05 pm

2 stops19h 29m

San Juan Luis Munoz Marin Intl

Wed 11/19

2:47 pm-10:54 pm

2 stops9h 07m

$290

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 11/11

3:30 pm-11:20 pm

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Wed 11/19

6:40 am-2:55 pm

1 stop9h 15m

$298

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 1/24

4:10 pm-6:11 am

2 stops13h 01m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-2:39 pm

2 stops13h 34m

$312

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 11/11

3:00 pm-12:36 am

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Tue 11/18

2:05 am-2:12 pm

2 stops13h 07m

$333

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 11/8

5:40 am-5:25 pm

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Fri 11/14

6:10 am-2:25 pm

1 stop9h 15m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Portland, Maine to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in January, then you should wait until September to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $360.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Portland, Maine is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $579.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Portland, Maine to Puerto Rico during this time can be as low as $302. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $557.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $489 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Portland, Maine for as low as $359 on momondo.

Cheap Portland, Maine to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Puerto Rico

Direct flights

None
There are no direct flights from Portland, Maine to Puerto Rico. There are no popular flight routes from Portland, Maine to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Puerto Rico?

    Prices for flights from Portland Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Puerto Rico?

  • How old do you have to be to fly from Portland Airport to Puerto Rico?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland, Maine to Puerto Rico

Compare and see reviews for airlines that fly from Portland, Maine to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $145Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
DeltaPriceFrom $274Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $281Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $361Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
SouthwestPriceFrom $425Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Puerto Rico?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Puerto Rico for you.

Can I find flights from Portland to Puerto Rico with flexible booking policies on momondo?

Yes. All flights to Puerto Rico from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Puerto Rico?

momondo provides multiple filters to help you find the best flight to Puerto Rico from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Puerto Rico right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 10/19
Sun 10/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $119
Flights to Aguadillafrom $163
Flights to Mayagüezfrom $310