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Cheap flights from Portland to San Juan from $163

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 9/3. 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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Cheap round-trip flights

Spirit Airlines Logo
12:07 pm - 1:58 pmPDX-SJU
22h 51m2 stops
Spirit Airlines Logo
5:41 pm - 2:30 pmSJU-PDX
23h 49m2 stops
$358Spirit Airlines
Find Deal
Wed, Oct 1 - Sat, Nov 1
Spirit Airlines Logo
12:07 pm - 11:34 amPDX-SJU
20h 27m3 stops
Spirit Airlines Logo
2:53 pm - 7:04 pmSJU-PDX
31h 11m2 stops
$394Spirit Airlines
Find Deal
Sun, Sep 21 - Sun, Sep 28
Delta Logo
5:49 pm - 12:13 pmPDX-SJU
15h 24m2 stops
Delta Logo
1:32 pm - 11:52 pmSJU-PDX
13h 20m2 stops
$399Delta
Find Deal
Tue, Sep 23 - Fri, Sep 26
American Airlines Logo
11:12 pm - 10:49 pmPDX-SJU
20h 37m1 stop
American Airlines Logo
8:30 am - 10:04 pmSJU-PDX
16h 34m1 stop
$419American Airlines
Find Deal
Sat, Aug 23 - Thu, Aug 28
United Airlines Logo
7:35 pm - 2:44 pmPDX-SJU
16h 09m2 stops
United Airlines Logo
1:05 am - 8:53 amSJU-PDX
10h 48m1 stop
$430United Airlines
Find Deal
Sat, Aug 23 - Wed, Aug 27
United Airlines Logo
5:00 am - 9:22 pmPDX-SJU
13h 22m2 stops
United Airlines Logo
2:20 pm - 10:10 pmSJU-PDX
11h 50m1 stop
$438United Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2
Delta Logo
7:15 am - 11:47 pmPDX-SJU
13h 32m1 stop
Delta Logo
1:32 pm - 11:52 pmSJU-PDX
13h 20m2 stops
$440Delta
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
10:55 pm - 3:00 pmPDX-SJU
13h 05m1 stop
American Airlines Logo
7:05 pm - 10:52 amSJU-PDX
18h 47m2 stops
$444American Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 6
Southwest Logo
9:05 pm - 12:45 pmPDX-SJU
12h 40m1 stop
Southwest Logo
5:50 am - 4:00 pmSJU-PDX
13h 10m1 stop
$447Southwest
Find Deal
Fri, Sep 26 - Mon, Sep 29
Southwest Logo
9:05 pm - 12:40 pmPDX-SJU
12h 35m1 stop
Southwest Logo
8:00 am - 6:05 pmSJU-PDX
13h 05m2 stops
$467Southwest
Find Deal
Thu, Sep 11 - Wed, Sep 17

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
Aug 23
PDX7:35 pmPortland
16h 09m
2 stops
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Aug 27
SJU1:05 amSan Juan Luis Munoz Marin Intl
10h 48m
1 stop
PDX8:53 amPortland
United Airlines
Nov 1
PDX5:00 amPortland
13h 22m
2 stops
SJU9:22 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU2:20 pmSan Juan Luis Munoz Marin Intl
11h 50m
1 stop
PDX10:10 pmPortland
United Airlines
Nov 10
PDX11:59 pmPortland
20h 37m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Nov 13
SJU2:05 amSan Juan Luis Munoz Marin Intl
20h 31m
3 stops
PDX6:36 pmPortland

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
Sep 26
PDX9:05 pmPortland
12h 40m
1 stop
SJU12:45 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU5:50 amSan Juan Luis Munoz Marin Intl
13h 10m
1 stop
PDX4:00 pmPortland
Southwest
Sep 11
PDX9:05 pmPortland
12h 35m
1 stop
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Sep 17
SJU8:00 amSan Juan Luis Munoz Marin Intl
13h 05m
2 stops
PDX6:05 pmPortland
Southwest
Sep 11
PDX9:05 pmPortland
12h 35m
1 stop
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Sep 16
SJU8:00 amSan Juan Luis Munoz Marin Intl
13h 25m
2 stops
PDX6:25 pmPortland

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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $431.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Portland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $454. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $655.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $428. Flights in the morning are often more expensive with an average ticket price of $602.

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 $552 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 $432 on momondo.

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

You could potentially save up to 2% 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 July 2025, prices for Portland to San Juan Luis Munoz Marin Intl Airport flights are approximately 17% 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

$163

Fastest flight time

9h 04m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Portland in the past 72 hours is $163. 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 $358.
The fastest flight from Portland to San Juan Luis Munoz Marin Intl Airport takes 9h 04m
There are no direct flights from Portland to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Portland Airport - 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 11h 20m.

  • 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
7.3
2,910 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,064 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
8,843 reviews
Search United Airlines flights
American AirlinesPriceFrom $328Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $369Free CancellationRating
8.0
7,958 reviews
Search Delta flights
SouthwestPriceFrom $450Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
Sun Country AirPriceFrom $475Free CancellationRating
6.9
336 reviews
Search Sun Country Air 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
Humacao
Rio Grande
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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1 adult
Mon 7/14
Mon 7/21

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