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Cheap flights from Portland to San Juan from $210

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 2/8. 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.
Frontier Logo
12:52 pm - 11:19 amPDX-SJU
18h 27m2 stops
Frontier Logo
9:30 pm - 3:07 pmSJU-PDX
21h 37m2 stops
$330Frontier
Find Deal
sáb., nov. 15 - sáb., nov. 22
Frontier Logo
12:52 pm - 11:19 amPDX-SJU
18h 27m2 stops
Frontier Logo
10:22 pm - 3:16 pmSJU-PDX
20h 54m2 stops
$367Frontier
Find Deal
sáb., nov. 15 - dom., nov. 23
Southwest Logo
6:30 am - 11:10 pmPDX-SJU
12h 40m2 stops
Southwest Logo
12:10 pm - 10:15 pmSJU-PDX
14h 05m2 stops
$375Southwest
Find Deal
mar., ene. 20 - mié., ene. 28
Southwest Logo
8:00 am - 12:35 amPDX-SJU
12h 35m2 stops
Southwest Logo
8:55 am - 6:15 pmSJU-PDX
13h 20m2 stops
$397Southwest
Find Deal
mar., dic. 2 - mié., dic. 10
Delta Logo
12:40 am - 3:20 pmPDX-SJU
10h 40m1 stop
Delta Logo
7:30 am - 11:55 pmSJU-PDX
20h 25m2 stops
$419Delta
Find Deal
lun., ene. 19 - mar., ene. 27
United Airlines Logo
11:21 pm - 2:40 pmPDX-SJU
11h 19m1 stop
United Airlines Logo
2:05 am - 1:37 pmSJU-PDX
15h 32m2 stops
$448United Airlines
Find Deal
sáb., dic. 6 - lun., dic. 8
United Airlines Logo
11:05 pm - 12:55 pmPDX-SJU
9h 50m1 stop
United Airlines Logo
2:05 am - 2:48 pmSJU-PDX
16h 43m2 stops
$449United Airlines
Find Deal
mar., ene. 20 - mié., feb. 18
American Airlines Logo
6:22 pm - 10:48 amPDX-SJU
12h 26m2 stops
American Airlines Logo
6:00 am - 11:46 pmSJU-PDX
21h 46m1 stop
$457American Airlines
Find Deal
sáb., ene. 24 - lun., feb. 2
Delta Logo
5:23 am - 11:59 pmPDX-SJU
14h 36m2 stops
Delta Logo
2:15 pm - 12:17 amSJU-PDX
14h 02m2 stops
$472Delta
Find Deal
mar., ene. 20 - jue., ene. 29
American Airlines Logo
11:01 pm - 6:22 pmPDX-SJU
15h 21m1 stop
American Airlines Logo
8:20 am - 8:17 pmSJU-PDX
15h 57m1 stop
$473American Airlines
Find Deal
jue., ene. 8 - sáb., ene. 17

Southwest flights from Portland to San Juan

Our best Southwest deals on Portland to San Juan flight tickets
Southwest
Jan 20
PDX6:30 amPortland
12h 40m
2 stops
SJU11:10 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU12:10 pmSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
PDX10:15 pmPortland
$375
Find similar
Southwest
Dec 2
PDX8:00 amPortland
12h 35m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Dec 10
SJU8:55 amSan Juan Luis Munoz Marin Intl
13h 20m
2 stops
PDX6:15 pmPortland
$397
Find similar
Southwest
Dec 10
PDX6:15 amPortland
13h 05m
2 stops
SJU11:20 pmSan Juan Luis Munoz Marin Intl
Dec 17
SJU2:05 pmSan Juan Luis Munoz Marin Intl
12h 30m
2 stops
PDX10:35 pmPortland
$435
Find similar

Delta flights from Portland to San Juan

Our best Delta deals on Portland to San Juan flight tickets
Delta
Jan 19
PDX12:40 amPortland
10h 40m
1 stop
SJU3:20 pmSan Juan Luis Munoz Marin Intl
Jan 27
SJU7:30 amSan Juan Luis Munoz Marin Intl
20h 25m
2 stops
PDX11:55 pmPortland
$419
Find similar
Delta
Jan 20
PDX5:23 amPortland
14h 36m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU2:15 pmSan Juan Luis Munoz Marin Intl
14h 02m
2 stops
PDX12:17 amPortland
$472
Find similar
Delta
Jan 22
PDX12:40 amPortland
10h 40m
1 stop
SJU3:20 pmSan Juan Luis Munoz Marin Intl
Jan 27
SJU7:30 amSan Juan Luis Munoz Marin Intl
20h 25m
2 stops
PDX11:55 pmPortland
$482
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to San Juan 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 octubre 30, 2025.
Use the filters below to find and compare flights from Portland to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

sáb. 11/15

12:52 pm-11:19 am

2 stops18h 27m

San Juan Luis Munoz Marin Intl

sáb. 11/22

9:30 pm-3:07 pm

2 stops21h 37m

$330

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

sáb. 11/15

12:52 pm-11:19 am

2 stops18h 27m

San Juan Luis Munoz Marin Intl

dom. 11/23

10:22 pm-3:16 pm

2 stops20h 54m

$367

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

mar. 1/20

6:30 am-11:10 pm

2 stops12h 40m

San Juan Luis Munoz Marin Intl

mié. 1/28

12:10 pm-10:15 pm

2 stops14h 05m

$375

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

mar. 12/2

8:00 am-12:35 am

2 stops12h 35m

San Juan Luis Munoz Marin Intl

mié. 12/10

8:55 am-6:15 pm

2 stops13h 20m

$397

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

lun. 1/19

12:40 am-3:20 pm

1 stop10h 40m

San Juan Luis Munoz Marin Intl

mar. 1/27

7:30 am-11:55 pm

2 stops20h 25m

$419

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

sáb. 12/6

11:21 pm-2:40 pm

1 stop11h 19m

San Juan Luis Munoz Marin Intl

lun. 12/8

2:05 am-1:37 pm

2 stops15h 32m

$448

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

mar. 1/20

11:05 pm-12:55 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

mié. 2/18

2:05 am-2:48 pm

2 stops16h 43m

$449

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

sáb. 1/24

6:22 pm-10:48 am

2 stops12h 26m

San Juan Luis Munoz Marin Intl

lun. 2/2

6:00 am-11:46 pm

1 stop21h 46m

$457

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

mar. 1/20

5:23 am-11:59 pm

2 stops14h 36m

San Juan Luis Munoz Marin Intl

jue. 1/29

2:15 pm-12:17 am

2 stops14h 02m

$472

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

jue. 1/8

11:01 pm-6:22 pm

1 stop15h 21m

San Juan Luis Munoz Marin Intl

sáb. 1/17

8:20 am-8:17 pm

1 stop15h 57m

$473

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

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 San Juan?

If you’re not able to fly to San Juan in October, then September is your next best option. Flight prices from Portland to San Juan during September average around $481.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Portland to San Juan is on a Tuesday when prices can be found for as low as $454. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $655.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is in the afternoon when flights can be purchased for as low as $428. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $602 on average. Flights to San Juan from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan 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 from Portland for as low as $472 on momondo.

Cheap Portland to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Juan

Direct flights

None
There are no direct flights from Portland to San Juan. There are no popular flight routes from Portland to San Juan.
Search flight deals

  • How far is Portland to San Juan by plane?

    Portland and San Juan are 3707.1 mi apart from one another. A reasonable flight in good conditions will take 9h 25m.

  • When did momondo last update prices for flights from Portland Airport to San Juan?

    Prices for flights from Portland Airport to San Juan are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to San Juan?

  • How old do you have to be to fly from Portland Airport to San Juan?

    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 San Juan.

  • What documentation or ID do you need to fly to San Juan?

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

Best airlines flying from Portland to San Juan

Compare and see reviews for airlines that fly from Portland to San Juan with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $185Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $342Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
DeltaPriceFrom $358Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $399Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $444Free 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 San Juan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to San Juan for you.

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

Yes. momondo enables you to select and highlight flights to San Juan from Portland with this policy.

How can momondo help me find flights from Portland to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Portland and alert you when they change.

An easier way to manage your San Juan 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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1 adult
sáb. 11/29
sáb. 12/6
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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport