Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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.
American Airlines Logo
11:05 pm - 9:25 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
18h 20m1 stop Miami
American Airlines Logo
6:30 am - 7:41 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
17h 11m1 stop Chicago O'Hare Intl
$322American Airlines
Sat, Feb 6 - Sat, Feb 13
American Airlines Logo
6:09 pm - 11:20 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
14h 11m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
American Airlines Logo
12:41 pm - 11:55 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
14h 14m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$322American Airlines
Fri, Oct 23 - Thu, Oct 29
Frontier Logo
12:38 pm - 9:35 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
17h 57m2 stops Denver Intl Orlando
Frontier Logo
2:57 am - 10:07 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
34h 10m2 stops Orlando Los Angeles Los Angeles
$423Frontier
Thu, Sep 24 - Tue, Sep 29
Frontier Logo
12:38 pm - 9:35 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
17h 57m2 stops Denver Intl Orlando
Frontier Logo
2:57 am - 10:07 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
34h 10m2 stops Orlando Los Angeles Los Angeles
$424Frontier
Thu, Sep 24 - Tue, Sep 29
United Airlines Logo
7:01 am - 12:36 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
13h 35m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
8:25 am - 5:38 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
13h 13m2 stops Chicago O'Hare Intl Denver Intl
$506United Airlines
Wed, Jan 13 - Wed, Jan 20
United Airlines Logo
5:00 am - 8:38 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
12h 38m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
2:55 pm - 12:34 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
12h 39m2 stops Houston George Bush Intcntl San Francisco
$506United Airlines
Sat, Sep 26 - Thu, Oct 1
Delta Logo
7:38 pm - 1:53 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
14h 15m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County
Delta Logo
2:11 pm - 12:01 amSJU  San Juan Luis Munoz Marin Intl-PDX Portland
13h 50m2 stops New York John F Kennedy Intl Salt Lake City
$506Delta
Mon, Dec 7 - Fri, Dec 11
Delta Logo
5:49 pm - 12:55 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
15h 06m2 stops Seattle/Tacoma Intl 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
$506Delta
Sun, Nov 8 - Tue, Nov 17
Southwest Logo
6:50 am - 11:05 pmPDX  Portland-SJU San Juan Luis Munoz Marin Intl
12h 15m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
7:35 am - 7:00 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
15h 25m2 stops Tampa Denver Intl
$506Southwest
Wed, Jan 27 - Sun, Jan 31
Southwest Logo
10:10 am - 12:45 amPDX  Portland-SJU San Juan Luis Munoz Marin Intl
10h 35m2 stops Denver Intl Orlando
Southwest Logo
5:40 am - 5:45 pmSJU  San Juan Luis Munoz Marin Intl-PDX Portland
16h 05m2 stops Orlando Phoenix Sky Harbor Intl
$506Southwest
Wed, Nov 4 - Sat, Nov 7

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

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
Dec 30
PDX7:12 pmPortland
14h 03m
2 stops
SJU1:15 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU8:25 amSan Juan Luis Munoz Marin Intl
11h 05m
1 stop
PDX3:30 pmPortland
$514
United Airlines
Dec 6
PDX5:00 amPortland
9h 25m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Dec 12
SJU2:05 amSan Juan Luis Munoz Marin Intl
17h 21m
2 stops
PDX3:26 pmPortland
$516
United Airlines
Feb 3
PDX7:10 amPortland
10h 14m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Feb 13
SJU2:05 amSan Juan Luis Munoz Marin Intl
13h 48m
2 stops
PDX11:53 amPortland
$574

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
Dec 11
PDX7:00 pmPortland
12h 20m
2 stops
SJU11:20 amSan Juan Luis Munoz Marin Intl
Dec 15
SJU5:40 amSan Juan Luis Munoz Marin Intl
13h 20m
2 stops
PDX3:00 pmPortland
$546
Southwest
Dec 10
PDX6:00 amPortland
13h 20m
2 stops
SJU11:20 pmSan Juan Luis Munoz Marin Intl
Dec 21
SJU4:20 pmSan Juan Luis Munoz Marin Intl
12h 10m
2 stops
PDX12:30 amPortland
$586
Southwest
Sep 21
PDX11:30 pmPortland
11h 00m
2 stops
SJU1:30 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU2:35 pmSan Juan Luis Munoz Marin Intl
12h 10m
2 stops
PDX11:45 pmPortland
$688

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sat 2/6

11:05 pm-9:25 pm

1 stop18h 20m

San Juan Luis Munoz Marin Intl

Sat 2/13

6:30 am-7:41 pm

1 stop17h 11m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Fri 10/23

6:09 pm-11:20 am

2 stops14h 11m

San Juan Luis Munoz Marin Intl

Thu 10/29

12:41 pm-11:55 pm

2 stops14h 14m

$322

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Thu 9/24

12:38 pm-9:35 am

2 stops17h 57m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:57 am-10:07 am

2 stops34h 10m

$423

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Thu 9/24

12:38 pm-9:35 am

2 stops17h 57m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:57 am-10:07 am

2 stops34h 10m

$424

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Wed 1/13

7:01 am-12:36 am

2 stops13h 35m

San Juan Luis Munoz Marin Intl

Wed 1/20

8:25 am-5:38 pm

2 stops13h 13m

$506
Quickest round-trip

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sat 9/26

5:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Thu 10/1

2:55 pm-12:34 am

2 stops12h 39m

$506

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Mon 12/7

7:38 pm-1:53 pm

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Fri 12/11

2:11 pm-12:01 am

2 stops13h 50m

$506

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Sun 11/8

5:49 pm-12:55 pm

2 stops15h 06m

San Juan Luis Munoz Marin Intl

Tue 11/17

7:00 am-5:10 pm

2 stops14h 10m

$506

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Wed 1/27

6:50 am-11:05 pm

2 stops12h 15m

San Juan Luis Munoz Marin Intl

Sun 1/31

7:35 am-7:00 pm

2 stops15h 25m

$506

PortlandSan Juan

PDX Portland - SJU San Juan Luis Munoz Marin Intl

PDXSJU

Portland

Wed 11/4

10:10 am-12:45 am

2 stops10h 35m

San Juan Luis Munoz Marin Intl

Sat 11/7

5:40 am-5:45 pm

2 stops16h 05m

$506

Flights are sorted by cheapest round-trip flights first.

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

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 $481.
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 $590 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 $539 on momondo.

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

You could potentially save up to 21% 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 September 2026, prices for Portland to San Juan Luis Munoz Marin Intl Airport flights are approximately 24% 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

9h 52m

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 9h 52m
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 9h 52m.

  • 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
8,554 reviews
Search Delta flights
SouthwestPriceFrom $408Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
United AirlinesPriceFrom $419Free CancellationRating
7.4
10,191 reviews
Search United Airlines flights
American AirlinesPriceFrom $419Free CancellationRating
7.1
12,046 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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport 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
Fri 10/9
Fri 10/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan