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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Portland from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Portland departing on 9/16. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 3:51 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
9h 51m2 stops Miami New York LaGuardia
American Airlines Logo
6:00 am - 3:01 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
9h 01m1 stop Charlotte Douglas
$289American Airlines
Wed, Sep 30 - Wed, Oct 7
JetBlue Logo
5:50 pm - 12:59 amSJU  San Juan Luis Munoz Marin Intl-PWM Portland
7h 09m1 stop New York John F Kennedy Intl
JetBlue Logo
4:20 pm - 11:49 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
7h 29m1 stop New York John F Kennedy Intl
$292JetBlue
Wed, Sep 2 - Wed, Sep 9
American Airlines Logo
10:16 am - 9:45 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
11h 29m2 stops Miami Washington, D.C. Reagan-National
American Airlines Logo
7:00 am - 2:50 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
7h 50m1 stop Charlotte Douglas
$343American Airlines
Sat, Sep 26 - Tue, Sep 29
American Airlines Logo
3:51 pm - 10:36 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
6h 45m1 stop Charlotte Douglas
American Airlines Logo
7:24 pm - 11:20 amPWM  Portland-SJU San Juan Luis Munoz Marin Intl
15h 56m1 stop Charlotte Douglas
$345American Airlines
Fri, Oct 16 - Sun, Oct 18
American Airlines Logo
10:16 am - 9:45 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
11h 29m2 stops Miami Washington, D.C. Reagan-National
American Airlines Logo
5:30 am - 1:32 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
8h 02m1 stop Philadelphia
$348American Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
1:25 pm - 8:22 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
6h 57m1 stop Newark
United Airlines Logo
5:15 am - 12:34 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
7h 19m1 stop Washington, D.C. Dulles Intl
$352United Airlines
Sat, Sep 26 - Wed, Sep 30
American Airlines Logo
6:00 am - 11:45 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
17h 45m2 stops Miami Washington, D.C. Reagan-National
American Airlines Logo
7:26 pm - 11:31 amPWM  Portland-SJU San Juan Luis Munoz Marin Intl
16h 05m2 stops Philadelphia Miami
$357American Airlines
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
6:00 am - 11:45 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
17h 45m2 stops Miami Washington, D.C. Reagan-National
American Airlines Logo
6:00 am - 3:38 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
9h 38m2 stops Washington, D.C. Reagan-National Miami
$358American Airlines
Wed, Sep 30 - Wed, Oct 7
United Airlines Logo
4:55 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-PWM Portland
7h 04m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 2:44 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
8h 44m1 stop Chicago O'Hare Intl
$372United Airlines
Sat, Sep 26 - Tue, Sep 29
United Airlines Logo
1:00 am - 9:08 amSJU  San Juan Luis Munoz Marin Intl-PWM Portland
8h 08m1 stop Newark
United Airlines Logo
6:00 am - 1:45 pmPWM  Portland-SJU San Juan Luis Munoz Marin Intl
7h 45m1 stop Newark
$411United Airlines
Wed, Oct 7 - Sun, Oct 11

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

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Portland, Maine flight tickets
American Airlines
Sep 30
SJU6:00 amSan Juan Luis Munoz Marin Intl
9h 51m
2 stops
PWM3:51 pmPortland
Oct 7
PWM6:00 amPortland
9h 01m
1 stop
SJU3:01 pmSan Juan Luis Munoz Marin Intl
$289
American Airlines
Sep 26
SJU10:16 amSan Juan Luis Munoz Marin Intl
11h 29m
2 stops
PWM9:45 pmPortland
Sep 29
PWM7:00 amPortland
7h 50m
1 stop
SJU2:50 pmSan Juan Luis Munoz Marin Intl
$343
American Airlines
Oct 16
SJU3:51 pmSan Juan Luis Munoz Marin Intl
6h 45m
1 stop
PWM10:36 pmPortland
Oct 18
PWM7:24 pmPortland
15h 56m
1 stop
SJU11:20 amSan Juan Luis Munoz Marin Intl
$345

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

Our best Southwest deals on San Juan Luis Munoz Marin Intl Airport to Portland, Maine flight tickets
Southwest
Aug 17
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 00m
2 stops
PWM3:00 pmPortland
Aug 21
PWM2:10 pmPortland
9h 40m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$537
Southwest
Aug 17
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 00m
2 stops
PWM3:00 pmPortland
Aug 21
PWM3:40 pmPortland
7h 10m
1 stop
SJU10:50 pmSan Juan Luis Munoz Marin Intl
$602
Southwest
Aug 17
SJU11:35 amSan Juan Luis Munoz Marin Intl
10h 50m
2 stops
PWM10:25 pmPortland
Aug 21
PWM3:40 pmPortland
7h 10m
1 stop
SJU10:50 pmSan Juan Luis Munoz Marin Intl
$647

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Portland, Maine 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 August 13, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Wed 9/30

6:00 am-3:51 pm

2 stops9h 51m

Portland

Wed 10/7

6:00 am-3:01 pm

1 stop9h 01m

$289

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Wed 9/2

5:50 pm-12:59 am

1 stop7h 09m

Portland

Wed 9/9

4:20 pm-11:49 pm

1 stop7h 29m

$292

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Sat 9/26

10:16 am-9:45 pm

2 stops11h 29m

Portland

Tue 9/29

7:00 am-2:50 pm

1 stop7h 50m

$343

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Fri 10/16

3:51 pm-10:36 pm

1 stop6h 45m

Portland

Sun 10/18

7:24 pm-11:20 am

1 stop15h 56m

$345

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Sat 9/26

10:16 am-9:45 pm

2 stops11h 29m

Portland

Wed 9/30

5:30 am-1:32 pm

1 stop8h 02m

$348
Quickest round-trip

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Sat 9/26

1:25 pm-8:22 pm

1 stop6h 57m

Portland

Wed 9/30

5:15 am-12:34 pm

1 stop7h 19m

$352

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Wed 9/30

6:00 am-11:45 pm

2 stops17h 45m

Portland

Wed 10/7

7:26 pm-11:31 am

2 stops16h 05m

$357

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Wed 9/30

6:00 am-11:45 pm

2 stops17h 45m

Portland

Wed 10/7

6:00 am-3:38 pm

2 stops9h 38m

$358

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Sat 9/26

4:55 pm-11:59 pm

1 stop7h 04m

Portland

Tue 9/29

6:00 am-2:44 pm

1 stop8h 44m

$372

San JuanPortland

SJU San Juan Luis Munoz Marin Intl - PWM Portland

SJUPWM

San Juan Luis Munoz Marin Intl

Wed 10/7

1:00 am-9:08 am

1 stop8h 08m

Portland

Sun 10/11

6:00 am-1:45 pm

1 stop7h 45m

$411

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Portland, Maine

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

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

As of August 2026, prices for San Juan Luis Munoz Marin Intl Airport to Portland, Maine flights are approximately 42% more expensive when compared to flights at the same time last year.

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

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

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

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

Fastest flight time

8h 35m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Portland, Maine takes 8h 35m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to Portland, Maine. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to Portland, Maine.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to Portland, Maine

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

    The distance between San Juan Luis Munoz Marin Intl and Portland is about 1759.0 mi. 8h 35m is a normal flight duration for this route.

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

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Portland Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport 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 Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Brunswick
Freeport
Gorham
Auburn
Bartlett
Conway
Windham
Bath
Intervale
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

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

It is quick and easy to find San Juan to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

Flights from San Juan to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Juan to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Juan to Portland.

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

Yes. momondo can track prices for San Juan to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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