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Cheap flights from Portland to Puerto Rico from $193

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 Puerto Rico departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Puerto Rico

Cheap round-trip flights

Frontier Logo
12:52 pm - 4:10 pmPDX-SJU
23h 18m2 stops
Frontier Logo
2:11 am - 11:56 amSJU-PDX
13h 45m2 stops
$373Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
12:52 pm - 4:10 pmPDX-SJU
24h 18m2 stops
Frontier Logo
1:59 am - 11:56 amSJU-PDX
13h 57m2 stops
$384Frontier
Find Deal
Thu, Oct 30 - Wed, Nov 5
Delta Logo
7:45 pm - 1:07 pmPDX-SJU
13h 22m2 stops
Delta Logo
7:30 am - 4:29 pmSJU-PDX
12h 59m2 stops
$419Delta
Find Deal
Wed, Jan 21 - Wed, Jan 28
United Airlines Logo
7:11 am - 11:57 pmPDX-BQN
12h 46m2 stops
United Airlines Logo
1:09 am - 1:44 pmBQN-PDX
16h 35m2 stops
$431United Airlines
Find Deal
Wed, Feb 18 - Tue, Feb 24
American Airlines Logo
7:58 am - 4:55 amPDX-SJU
16h 57m1 stop
American Airlines Logo
7:20 am - 8:24 pmSJU-PDX
17h 04m1 stop
$444American Airlines
Find Deal
Sun, Feb 15 - Sat, Feb 21
United Airlines Logo
11:12 pm - 2:40 pmPDX-SJU
11h 28m1 stop
United Airlines Logo
2:25 pm - 9:26 pmSJU-PDX
11h 01m1 stop
$448United Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Southwest Logo
6:15 am - 11:20 pmPDX-SJU
13h 05m2 stops
Southwest Logo
8:55 am - 6:15 pmSJU-PDX
13h 20m2 stops
$450Southwest
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
10:15 pm - 10:09 pmPDX-SJU
19h 54m1 stop
American Airlines Logo
7:00 am - 5:28 pmSJU-PDX
14h 28m2 stops
$457American Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 11
Delta Logo
12:35 am - 5:20 pmPDX-SJU
12h 45m2 stops
Delta Logo
7:15 am - 7:19 pmSJU-PDX
16h 04m2 stops
$482Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
Southwest Logo
5:50 am - 10:45 pmPDX-SJU
13h 55m2 stops
Southwest Logo
11:20 am - 9:25 pmSJU-PDX
14h 05m2 stops
$508Southwest
Find Deal
Tue, Oct 28 - Mon, Nov 3

Southwest flights from Portland to Puerto Rico

Our best Southwest deals on Portland to Puerto Rico flight tickets
Southwest
Nov 12
PDX6:15 amPortland
13h 05m
2 stops
SJU11:20 pmSan Juan Luis Munoz Marin Intl
Nov 18
SJU8:55 amSan Juan Luis Munoz Marin Intl
13h 20m
2 stops
PDX6:15 pmPortland
$450
Find similar
Southwest
Oct 28
PDX5:50 amPortland
13h 55m
2 stops
SJU10:45 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU11:20 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
PDX9:25 pmPortland
$508
Find similar
Southwest
Oct 1
PDX6:10 amPortland
13h 35m
2 stops
SJU10:45 pmSan Juan Luis Munoz Marin Intl
Oct 8
SJU10:50 amSan Juan Luis Munoz Marin Intl
15h 30m
2 stops
PDX11:20 pmPortland
$527
Find similar

Spirit Airlines flights from Portland to Puerto Rico

Our best Spirit Airlines deals on Portland to Puerto Rico flight tickets
Spirit Airlines
Sep 29
PDX12:07 pmPortland
29h 49m
3 stops
SJU8:56 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU7:40 pmSan Juan Luis Munoz Marin Intl
18h 31m
2 stops
PDX11:11 amPortland
$539
Find similar
Spirit Airlines
Sep 29
PDX12:07 pmPortland
29h 49m
3 stops
SJU8:56 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU3:22 pmSan Juan Luis Munoz Marin Intl
22h 49m
3 stops
PDX11:11 amPortland
$543
Find similar
Spirit Airlines
Sep 18
PDX12:07 pmPortland
33h 47m
3 stops
SJU12:54 amSan Juan Luis Munoz Marin Intl
Sep 22
SJU10:42 amSan Juan Luis Munoz Marin Intl
27h 29m
2 stops
PDX11:11 amPortland
$784
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Puerto Rico 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 September 16, 2025.
Use the filters below to find and compare flights from Portland to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 11/13

12:52 pm-4:10 pm

2 stops23h 18m

San Juan Luis Munoz Marin Intl

Sun 11/16

2:11 am-11:56 am

2 stops13h 45m

$373

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 10/30

12:52 pm-4:10 pm

2 stops24h 18m

San Juan Luis Munoz Marin Intl

Wed 11/5

1:59 am-11:56 am

2 stops13h 57m

$384

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 1/21

7:45 pm-1:07 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:30 am-4:29 pm

2 stops12h 59m

$419

PortlandAguadilla

PDX - BQN

PDXBQN

Portland

Wed 2/18

7:11 am-11:57 pm

2 stops12h 46m

Aguadilla Borinquen

Tue 2/24

1:09 am-1:44 pm

2 stops16h 35m

$431

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sun 2/15

7:58 am-4:55 am

1 stop16h 57m

San Juan Luis Munoz Marin Intl

Sat 2/21

7:20 am-8:24 pm

1 stop17h 04m

$444

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 11/12

11:12 pm-2:40 pm

1 stop11h 28m

San Juan Luis Munoz Marin Intl

Tue 11/18

2:25 pm-9:26 pm

1 stop11h 01m

$448

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Wed 11/12

6:15 am-11:20 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Tue 11/18

8:55 am-6:15 pm

2 stops13h 20m

$450

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 12/2

10:15 pm-10:09 pm

1 stop19h 54m

San Juan Luis Munoz Marin Intl

Thu 12/11

7:00 am-5:28 pm

2 stops14h 28m

$457

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 11/11

12:35 am-5:20 pm

2 stops12h 45m

San Juan Luis Munoz Marin Intl

Tue 11/18

7:15 am-7:19 pm

2 stops16h 04m

$482

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 10/28

5:50 am-10:45 pm

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Mon 11/3

11:20 am-9:25 pm

2 stops14h 05m

$508

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 Puerto Rico from

How to get the cheapest flight ticket from Portland to Puerto Rico

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 cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in January, then you should wait until September to fly from Portland, when ticket prices are also cheap, with an average price of $481.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico 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. The most expensive day to fly to Puerto Rico is Thursday, with ticket prices averaging around $655.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Portland to Puerto Rico during this time can be as low as $428. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $602.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $574 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Portland for as low as $438 on momondo.

Can stopping save me money on Portland to Puerto Rico flights?

You could potentially save up to 13% on your flight if you consider stops on a Portland to Puerto Rico flight.

Cheap Portland to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Puerto Rico

Direct flights

None
There are no direct flights from Portland to Puerto Rico. There are no popular flight routes from Portland to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Puerto Rico?

    Prices for flights from Portland Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Puerto Rico?

  • How old do you have to be to fly from Portland Airport to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

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

Best airlines flying from Portland to Puerto Rico

Compare and see reviews for airlines that fly from Portland to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $185Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $341Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $369Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $399Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $450Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Puerto Rico?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Puerto Rico. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Puerto Rico with flexible booking policies on momondo?

Yes. All flights to Puerto Rico from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Puerto Rico?

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 Portland to Puerto Rico.

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

Of course. momondo tracks the price of Portland to Puerto Rico flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Puerto Rico 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.
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Find better results for your trip to Puerto Rico

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