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Cheap flights from Portland to San Juan from $153

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 to San Juan departing on 5/2. 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

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Find the cheapest flights from Portland to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:10 am - 11:40 pm
PDX
-
SJU
15h 30m
2 stops
Southwest Logo
2:00 pm - 12:10 am
SJU
-
PDX
13h 10m
2 stops
$424Southwest
Mon, Apr 27 - Thu, Apr 30
American Airlines Logo
12:59 am - 11:02 pm
PDX
-
SJU
19h 03m
1 stop
American Airlines Logo
3:10 pm - 11:57 pm
SJU
-
PDX
11h 47m
1 stop
$436American Airlines
Thu, Apr 16 - Thu, Apr 23
American Airlines Logo
11:40 pm - 11:02 pm
PDX
-
SJU
20h 22m
1 stop
American Airlines Logo
1:31 pm - 11:57 pm
SJU
-
PDX
13h 26m
2 stops
$441American Airlines
Wed, Apr 15 - Thu, Apr 30
Southwest Logo
10:45 pm - 12:50 pm
PDX
-
SJU
11h 05m
1 stop
Southwest Logo
5:30 am - 3:00 pm
SJU
-
PDX
12h 30m
1 stop
$448Southwest
Mon, Aug 10 - Mon, Aug 17
American Airlines Logo
12:59 am - 6:10 pm
PDX
-
SJU
14h 11m
2 stops
American Airlines Logo
11:43 am - 10:56 pm
SJU
-
PDX
14h 13m
2 stops
$453American Airlines
Mon, Apr 6 - Tue, Apr 21
American Airlines Logo
11:23 pm - 8:51 pm
PDX
-
SJU
18h 28m
1 stop
American Airlines Logo
6:45 am - 11:54 pm
SJU
-
PDX
20h 09m
1 stop
$455American Airlines
Tue, Apr 21 - Mon, May 4
American Airlines Logo
11:40 pm - 11:02 pm
PDX
-
SJU
20h 22m
1 stop
American Airlines Logo
11:59 pm - 11:01 am
SJU
-
PDX
14h 02m
1 stop
$456American Airlines
Fri, Apr 17 - Thu, Apr 23
American Airlines Logo
11:40 pm - 11:02 pm
PDX
-
SJU
20h 22m
1 stop
American Airlines Logo
1:31 pm - 11:57 pm
SJU
-
PDX
13h 26m
2 stops
$458American Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
7:23 am - 11:02 pm
PDX
-
SJU
12h 39m
2 stops
American Airlines Logo
5:45 am - 11:53 pm
SJU
-
PDX
21h 08m
1 stop
$459American Airlines
Tue, Apr 21 - Mon, May 4
American Airlines Logo
12:59 am - 6:10 pm
PDX
-
SJU
14h 11m
2 stops
American Airlines Logo
1:31 pm - 11:53 pm
SJU
-
PDX
13h 22m
1 stop
$460American Airlines
Mon, Apr 20 - Mon, May 4

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

Our best American Airlines deals on Portland to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Apr 16
PDX12:59 amPortland
19h 03m
1 stop
SJU11:02 pmSan Juan Luis Munoz Marin Intl
Apr 23
SJU3:10 pmSan Juan Luis Munoz Marin Intl
11h 47m
1 stop
PDX11:57 pmPortland
$436
American Airlines
Apr 15
PDX11:40 pmPortland
20h 22m
1 stop
SJU11:02 pmSan Juan Luis Munoz Marin Intl
Apr 30
SJU1:31 pmSan Juan Luis Munoz Marin Intl
13h 26m
2 stops
PDX11:57 pmPortland
$441
American Airlines
Apr 6
PDX12:59 amPortland
14h 11m
2 stops
SJU6:10 pmSan Juan Luis Munoz Marin Intl
Apr 21
SJU11:43 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
PDX10:56 pmPortland
$453

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

Our best United Airlines deals on Portland to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
May 2
PDX7:00 amPortland
10h 38m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
May 5
SJU7:00 amSan Juan Luis Munoz Marin Intl
14h 46m
2 stops
PDX6:46 pmPortland
$470
United Airlines
Apr 28
PDX8:05 amPortland
10h 19m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
May 5
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 35m
2 stops
PDX12:35 pmPortland
$473
United Airlines
Jun 3
PDX1:14 pmPortland
13h 15m
2 stops
SJU5:29 amSan Juan Luis Munoz Marin Intl
Jun 6
SJU1:00 amSan Juan Luis Munoz Marin Intl
11h 25m
1 stop
PDX9:25 amPortland
$499

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 March 11, 2026.
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

Cheapest round-trip

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 4/27

5:10 am-11:40 pm

2 stops15h 30m

San Juan Luis Munoz Marin Intl

Thu 4/30

2:00 pm-12:10 am

2 stops13h 10m

$424

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 4/16

12:59 am-11:02 pm

1 stop19h 03m

San Juan Luis Munoz Marin Intl

Thu 4/23

3:10 pm-11:57 pm

1 stop11h 47m

$436

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 4/15

11:40 pm-11:02 pm

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Thu 4/30

1:31 pm-11:57 pm

2 stops13h 26m

$441
Quickest round-trip

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 8/10

10:45 pm-12:50 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Mon 8/17

5:30 am-3:00 pm

1 stop12h 30m

$448

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 4/6

12:59 am-6:10 pm

2 stops14h 11m

San Juan Luis Munoz Marin Intl

Tue 4/21

11:43 am-10:56 pm

2 stops14h 13m

$453

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 4/21

11:23 pm-8:51 pm

1 stop18h 28m

San Juan Luis Munoz Marin Intl

Mon 5/4

6:45 am-11:54 pm

1 stop20h 09m

$455

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Fri 4/17

11:40 pm-11:02 pm

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Thu 4/23

11:59 pm-11:01 am

1 stop14h 02m

$456

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 4/8

11:40 pm-11:02 pm

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Wed 4/15

1:31 pm-11:57 pm

2 stops13h 26m

$458

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 4/21

7:23 am-11:02 pm

2 stops12h 39m

San Juan Luis Munoz Marin Intl

Mon 5/4

5:45 am-11:53 pm

1 stop21h 08m

$459

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 4/20

12:59 am-6:10 pm

2 stops14h 11m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:31 pm-11:53 pm

1 stop13h 22m

$460

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 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 typical price of a round-trip flight between Portland and San Juan Luis Munoz Marin Intl Airport?

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 October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $498.

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 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 $576 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 for as low as $493 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a Portland to San Juan Luis Munoz Marin Intl Airport flight.

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

As of March 2026, prices for Portland to San Juan Luis Munoz Marin Intl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Portland 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 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 to San Juan Luis Munoz Marin Intl Airport (PDX to SJU) flight deals and tips

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

Fastest flight time

8h 35m

Direct flights

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

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

    There are 3713.4 mi between Portland and San Juan Luis Munoz Marin Intl. A reasonable flight in good conditions will take 8h 35m.

  • 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 were last updated today.

  • 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?

    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 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 required for your trip to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Portland to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $185Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $241Free CancellationRating
6.3
8,516 reviews
Search Spirit Airlines flights
DeltaPriceFrom $255Free CancellationRating
7.9
8,278 reviews
Search Delta flights
United AirlinesPriceFrom $399Free CancellationRating
7.4
9,415 reviews
Search United Airlines flights
American AirlinesPriceFrom $399Free CancellationRating
7.1
11,421 reviews
Search American Airlines flights
SouthwestPriceFrom $408Free CancellationRating
8.0
4,317 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
Caguas
Rio Grande
Humacao
Bayamón

Why use momondo?

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

Finding the right flight to San Juan from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

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

Flights from Portland to San Juan 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 Portland to San Juan?

Once you have performed a search for Portland to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to San Juan from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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