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Cheap flights from Portland, Maine to San Juan from $116

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 San Juan departing on 2/8. 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

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Find the cheapest flights from Portland, Maine to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
2:53 pm - 12:11 am
PWM
-
SJU
9h 18m
1 stop
JetBlue Logo
5:01 am - 1:58 pm
SJU
-
PWM
8h 57m
1 stop
$175JetBlue
Sat, Mar 14 - Sat, Mar 21
American Airlines Logo
12:40 pm - 11:56 pm
PWM
-
SJU
10h 16m
1 stop
American Airlines Logo
1:58 pm - 11:43 pm
SJU
-
PWM
10h 45m
2 stops
$232American Airlines
Mon, Feb 2 - Fri, Feb 6
American Airlines Logo
6:00 am - 6:22 pm
PWM
-
SJU
11h 22m
2 stops
American Airlines Logo
3:49 pm - 10:07 pm
SJU
-
PWM
7h 18m
1 stop
$252American Airlines
Mon, Feb 2 - Fri, Feb 6
Delta Logo
6:17 am - 4:50 pm
PWM
-
SJU
9h 33m
1 stop
Delta Logo
7:00 am - 1:45 pm
SJU
-
PWM
7h 45m
1 stop
$276Delta
Mon, Jan 26 - Fri, Jan 30
American Airlines Logo
6:00 am - 11:56 pm
PWM
-
SJU
16h 56m
1 stop
American Airlines Logo
2:28 pm - 11:43 pm
SJU
-
PWM
10h 15m
2 stops
$277American Airlines
Thu, Jan 29 - Thu, Feb 5
JetBlue Logo
6:00 am - 1:29 pm
PWM
-
SJU
7h 29m
1 stop
JetBlue Logo
6:25 am - 1:23 pm
SJU
-
PWM
6h 58m
1 stop
$281JetBlue
Fri, May 1 - Tue, May 5
United Airlines Logo
3:05 pm - 6:11 am
PWM
-
SJU
14h 06m
2 stops
United Airlines Logo
2:05 am - 10:49 am
SJU
-
PWM
9h 44m
1 stop
$290United Airlines
Sat, Feb 21 - Thu, Mar 5
American Airlines Logo
7:00 am - 7:39 pm
PWM
-
SJU
12h 39m
1 stop
American Airlines Logo
6:01 pm - 12:14 pm
SJU
-
PWM
18h 13m
2 stops
$292American Airlines
Tue, Mar 10 - Tue, Mar 17
Southwest Logo
1:00 pm - 10:40 pm
PWM
-
SJU
9h 40m
1 stop
Southwest Logo
5:00 am - 4:50 pm
SJU
-
PWM
11h 50m
1 stop
$294Southwest
Wed, May 13 - Sun, May 17
United Airlines Logo
3:12 pm - 12:36 am
PWM
-
SJU
8h 24m
1 stop
United Airlines Logo
7:45 am - 11:30 pm
SJU
-
PWM
16h 45m
2 stops
$298United Airlines
Mon, Jan 26 - Fri, Jan 30

United Airlines flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Portland, Maine to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jan 18
PWM6:00 amPortland
14h 00m
2 stops
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Jan 24
SJU7:45 amSan Juan Luis Munoz Marin Intl
16h 45m
2 stops
PWM11:30 pmPortland
$222
United Airlines
Jan 18
PWM6:00 amPortland
14h 00m
2 stops
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Jan 24
SJU8:10 amSan Juan Luis Munoz Marin Intl
7h 19m
1 stop
PWM2:29 pmPortland
$263
United Airlines
Jan 26
PWM3:12 pmPortland
8h 24m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 30
SJU7:45 amSan Juan Luis Munoz Marin Intl
16h 45m
2 stops
PWM11:30 pmPortland
$298

American Airlines flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Portland, Maine to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Feb 2
PWM12:40 pmPortland
10h 16m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Feb 6
SJU1:58 pmSan Juan Luis Munoz Marin Intl
10h 45m
2 stops
PWM11:43 pmPortland
$232
American Airlines
Jan 29
PWM6:00 amPortland
16h 56m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Feb 5
SJU2:28 pmSan Juan Luis Munoz Marin Intl
10h 15m
2 stops
PWM11:43 pmPortland
$277
American Airlines
Mar 10
PWM6:00 amPortland
13h 39m
2 stops
SJU7:39 pmSan Juan Luis Munoz Marin Intl
Mar 17
SJU6:01 pmSan Juan Luis Munoz Marin Intl
16h 27m
2 stops
PWM10:28 amPortland
$292

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport 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 January 12, 2026.
Use the filters below to find and compare flights from Portland, Maine 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 3/14

2:53 pm-12:11 am

1 stop9h 18m

San Juan Luis Munoz Marin Intl

Sat 3/21

5:01 am-1:58 pm

1 stop8h 57m

$175

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 2/2

12:40 pm-11:56 pm

1 stop10h 16m

San Juan Luis Munoz Marin Intl

Fri 2/6

1:58 pm-11:43 pm

2 stops10h 45m

$232

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 2/2

6:00 am-6:22 pm

2 stops11h 22m

San Juan Luis Munoz Marin Intl

Fri 2/6

3:49 pm-10:07 pm

1 stop7h 18m

$252

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 1/26

6:17 am-4:50 pm

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Fri 1/30

7:00 am-1:45 pm

1 stop7h 45m

$276

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Thu 1/29

6:00 am-11:56 pm

1 stop16h 56m

San Juan Luis Munoz Marin Intl

Thu 2/5

2:28 pm-11:43 pm

2 stops10h 15m

$277

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Fri 5/1

6:00 am-1:29 pm

1 stop7h 29m

San Juan Luis Munoz Marin Intl

Tue 5/5

6:25 am-1:23 pm

1 stop6h 58m

$281

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Sat 2/21

3:05 pm-6:11 am

2 stops14h 06m

San Juan Luis Munoz Marin Intl

Thu 3/5

2:05 am-10:49 am

1 stop9h 44m

$290

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Tue 3/10

7:00 am-7:39 pm

1 stop12h 39m

San Juan Luis Munoz Marin Intl

Tue 3/17

6:01 pm-12:14 pm

2 stops18h 13m

$292

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Wed 5/13

1:00 pm-10:40 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Sun 5/17

5:00 am-4:50 pm

1 stop11h 50m

$294

PortlandSan Juan

PWM - SJU

PWMSJU

Portland

Mon 1/26

3:12 pm-12:36 am

1 stop8h 24m

San Juan Luis Munoz Marin Intl

Fri 1/30

7:45 am-11:30 pm

2 stops16h 45m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

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 San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $343.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $460 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Portland, Maine for as low as $234 on momondo.

Can stopping save me money on Portland, Maine to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a Portland, Maine to San Juan Luis Munoz Marin Intl Airport flight.

How have Portland, Maine to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

When to book flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to San Juan Luis Munoz Marin Intl Airport (PWM to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

6h 40m

Direct flights

None
The fastest flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport takes 6h 40m
There are no direct flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Portland, Maine to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Portland to San Juan Luis Munoz Marin Intl by plane?

    The straight-line distance from Portland to San Juan Luis Munoz Marin Intl is 1759.0 mi. Flights usually cover this in 6h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Portland Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Portland Airport to San Juan Luis Munoz Marin Intl Airport?

    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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents you'll need for your trip to San Juan Luis Munoz Marin Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland, Maine to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Portland, Maine to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
8,039 reviews
Search Delta flights
JetBluePriceFrom $231Free CancellationRating
7.2
2,884 reviews
Search JetBlue flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,114 reviews
Search American Airlines flights
United AirlinesPriceFrom $302Free CancellationRating
7.4
9,149 reviews
Search United Airlines flights
SouthwestPriceFrom $315Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to San Juan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to San Juan with flexible booking policies on momondo?

Yes. All flights to San Juan 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 San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Portland.

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

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

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