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Cheap flights from Portland to San Juan from $161

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:55 am - 9:15 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
11h 20m2 stops Phoenix Sky Harbor Intl Tampa
Southwest Logo
12:40 pm - 10:40 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
14h 00m2 stops Orlando Denver Intl
$322Southwest
Sat, Nov 7 - Fri, Nov 13
Southwest Logo
5:55 am - 9:15 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
11h 20m2 stops Phoenix Sky Harbor Intl Tampa
Southwest Logo
12:40 pm - 10:40 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
14h 00m2 stops Orlando Denver Intl
$322Southwest
Sat, Nov 7 - Fri, Nov 13
American Airlines Logo
11:15 pm - 3:52 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
13h 37m1 stop Charlotte Douglas
American Airlines Logo
8:30 am - 9:59 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
17h 29m1 stop Philadelphia
$322American Airlines
Sat, Oct 31 - Mon, Dec 7
American Airlines Logo
8:35 am - 10:57 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
11h 22m1 stop Philadelphia
American Airlines Logo
6:00 am - 11:39 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
20h 39m1 stop Dallas/Fort Worth
$322American Airlines
Fri, Oct 23 - Thu, Oct 29
Frontier Logo
12:38 pm - 4:50 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
49h 12m2 stops Denver Intl Tampa
Frontier Logo
2:45 pm - 10:07 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
46h 22m2 stops Atlanta Hartsfield-Jackson Los Angeles
$441Frontier
Thu, Sep 10 - Tue, Sep 29
United Airlines Logo
10:33 pm - 11:57 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
10h 24m1 stop Newark
United Airlines Logo
1:25 pm - 9:27 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
11h 02m1 stop Newark
$466United Airlines
Wed, Sep 30 - Fri, Oct 9
United Airlines Logo
7:01 am - 9:00 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
9h 59m1 stop Chicago O'Hare Intl
United Airlines Logo
8:25 am - 3:26 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
11h 01m1 stop Chicago O'Hare Intl
$466United Airlines
Thu, Dec 3 - Sat, Dec 12
Delta Logo
7:10 am - 11:54 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
12h 44m1 stop New York John F Kennedy Intl
Delta Logo
7:00 am - 5:10 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
14h 10m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl
$466Delta
Thu, Nov 12 - Tue, Nov 17
Delta Logo
5:49 pm - 12:05 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
15h 16m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl
Delta Logo
12:55 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
14h 04m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl
$466Delta
Fri, Oct 23 - Thu, Oct 29
Frontier Logo
12:24 pm - 1:40 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
46h 16m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
2:57 am - 10:07 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
34h 10m2 stops Orlando Los Angeles
$466Frontier
Sun, Sep 13 - Fri, Sep 18

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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
Oct 23
PDX8:35 amPortland
11h 22m
1 stop
SJU10:57 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU6:00 amSan Juan Luis Munoz Marin Intl
20h 39m
1 stop
PDX11:39 pmPortland
$322
American Airlines
Nov 4
PDX11:00 pmPortland
19h 39m
1 stop
SJU10:39 pmSan Juan Luis Munoz Marin Intl
Nov 11
SJU8:30 amSan Juan Luis Munoz Marin Intl
17h 29m
1 stop
PDX9:59 pmPortland
$327
American Airlines
Nov 12
PDX11:09 pmPortland
12h 43m
2 stops
SJU3:52 pmSan Juan Luis Munoz Marin Intl
Nov 17
SJU11:35 amSan Juan Luis Munoz Marin Intl
16h 24m
1 stop
PDX11:59 pmPortland
$414

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

Our best Southwest deals on Portland to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Oct 9
PDX7:50 pmPortland
13h 20m
2 stops
SJU12:10 pmSan Juan Luis Munoz Marin Intl
Oct 14
SJU12:40 pmSan Juan Luis Munoz Marin Intl
13h 25m
2 stops
PDX11:05 pmPortland
$394
Southwest
Oct 23
PDX7:50 pmPortland
13h 20m
2 stops
SJU12:10 pmSan Juan Luis Munoz Marin Intl
Oct 26
SJU5:00 amSan Juan Luis Munoz Marin Intl
12h 20m
2 stops
PDX2:20 pmPortland
$464
Southwest
Oct 20
PDX6:40 amPortland
14h 10m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Oct 25
SJU5:00 amSan Juan Luis Munoz Marin Intl
12h 35m
2 stops
PDX2:35 pmPortland
$523

momondo Fare Finder

 
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

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Route

Depart

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Price

Cheapest round-trip

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sat 11/7

5:55 am-9:15 pm

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Fri 11/13

12:40 pm-10:40 pm

2 stops14h 00m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sat 11/7

5:55 am-9:15 pm

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Fri 11/13

12:40 pm-10:40 pm

2 stops14h 00m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sat 10/31

11:15 pm-3:52 pm

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Mon 12/7

8:30 am-9:59 pm

1 stop17h 29m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Fri 10/23

8:35 am-10:57 pm

1 stop11h 22m

San Juan Luis Munoz Marin Intl

Thu 10/29

6:00 am-11:39 pm

1 stop20h 39m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Thu 9/10

12:38 pm-4:50 pm

2 stops49h 12m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:45 pm-10:07 am

2 stops46h 22m

$441

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Wed 9/30

10:33 pm-11:57 am

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Fri 10/9

1:25 pm-9:27 pm

1 stop11h 02m

$466
Quickest round-trip

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Thu 12/3

7:01 am-9:00 pm

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Sat 12/12

8:25 am-3:26 pm

1 stop11h 01m

$466

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Thu 11/12

7:10 am-11:54 pm

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Tue 11/17

7:00 am-5:10 pm

2 stops14h 10m

$466

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Fri 10/23

5:49 pm-12:05 pm

2 stops15h 16m

San Juan Luis Munoz Marin Intl

Thu 10/29

12:55 pm-11:59 pm

2 stops14h 04m

$466

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sun 9/13

12:24 pm-1:40 pm

2 stops46h 16m

San Juan Luis Munoz Marin Intl

Fri 9/18

2:57 am-10:07 am

2 stops34h 10m

$466

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?

Prices are currently low for flights on this route.

Typical prices usually range from $466 to $509.
The lowest price recently found on this route was $322.

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 September is also cheap. Prices for this month can be found on momondo for an average of $466.

How far in advance should I book a flight from Portland 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 $586 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 $543 on momondo.

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

You could potentially save up to 5% 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 August 2026, prices for Portland to San Juan Luis Munoz Marin Intl Airport flights are approximately 52% 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

Best Price Found

$161

Fastest flight time

8h 53m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Portland in the past 72 hours is $161. The best round-trip flight deal from Portland to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $322.
The fastest flight from Portland to San Juan Luis Munoz Marin Intl Airport takes 8h 53m
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

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

  • 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 53m.

  • 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
DeltaPriceFrom $235Free CancellationRating
7.8
8,538 reviews
Search Delta flights
SouthwestPriceFrom $408Free CancellationRating
8.0
4,199 reviews
Search Southwest flights
United AirlinesPriceFrom $419Free CancellationRating
7.4
10,135 reviews
Search United Airlines flights
American AirlinesPriceFrom $419Free CancellationRating
7.1
12,025 reviews
Search American Airlines 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
Rio Grande
Humacao
Caguas
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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