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Portugal

$312+ Cheap flights from San Juan to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LIS
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap flight deals from San Juan to Portugal

Cheapest flights from San Juan to Portugal
Explore the most affordable flight options available from San Juan to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This KLM deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:19 amSJU - LIS
1 stop21h 41mMultiple Airlines
lun. 12/2210:00 amLIS - SJU
1 stop20h 27mMultiple Airlines
Deal found 12/13$607
This FlightHub deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:00 amSJU - LIS
1 stop21h 10mLufthansa
dom. 1/1110:15 amLIS - SJU
1 stop18h 21mLufthansa
Deal found 12/15$613
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:19 amSJU - LIS
2 stops20h 41mDelta
jue. 12/2510:00 amLIS - SJU
1 stop34h 51mDelta
Deal found 12/13$633
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:19 amSJU - LIS
2 stops20h 41mDelta
lun. 12/2211:15 amLIS - SJU
1 stop30h 20mDelta
Deal found 12/13$683
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:19 amSJU - LIS
2 stops20h 41mDelta
dom. 12/2111:15 amLIS - SJU
1 stop32h 09mDelta
Deal found 12/13$709
This Finnair deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1511:00 amSJU - LIS
2 stops18h 05mMultiple Airlines
jue. 12/258:55 amLIS - SJU
2 stops28h 40mMultiple Airlines
Deal found 12/12$712
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:19 amSJU - LIS
1 stop21h 41mDelta
mié. 12/2410:00 amLIS - SJU
1 stop17h 59mDelta
Deal found 12/13$721

Find flight deals from San Juan to Portugal

Keep the following information in mind while searching for San Juan to Portugal flight deals. Data was last updated diciembre 15, 2025.

Round-trip from

$431
(FlightHub)

One-way from

$312
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$817
From San Juan to Portugal
Search Deals
One-way flight from San Juan to Portugal
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to Portugal 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 15, 2025.
Use the filters below to find and compare flights from San Juan to Portugal that are best for you.

Fly from

San Juan

Fly to

Portugal

Route

Depart

Return

Price

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

jue. 2/19

2:10 pm-8:10 am

1 stop14h 00m

Lisbon Humberto Delgado

jue. 2/26

5:00 am-12:36 am

2 stops23h 36m

$431

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

mié. 2/4

2:45 pm-8:10 am

1 stop13h 25m

Lisbon Humberto Delgado

mié. 2/11

5:00 am-12:36 am

2 stops23h 36m

$441

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

jue. 2/19

2:24 pm-8:00 am

1 stop13h 36m

Lisbon Humberto Delgado

jue. 2/26

5:00 am-11:58 pm

2 stops22h 58m

$444

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

lun. 3/2

2:05 am-9:20 am

2 stops27h 15m

Lisbon Humberto Delgado

mar. 3/17

5:00 am-11:36 pm

2 stops22h 36m

$444

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

jue. 2/12

3:10 pm-6:45 pm

2 stops23h 35m

Lisbon Humberto Delgado

dom. 2/22

5:00 am-11:56 pm

2 stops22h 56m

$444

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

vie. 1/23

4:52 pm-8:55 am

2 stops36h 03m

Lisbon Humberto Delgado

sáb. 1/31

5:00 am-10:22 pm

2 stops21h 22m

$444

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

dom. 2/15

2:05 am-9:20 am

2 stops27h 15m

Lisbon Humberto Delgado

vie. 2/27

5:00 am-12:36 am

2 stops23h 36m

$447

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

lun. 1/12

2:15 pm-5:30 pm

2 stops23h 15m

Lisbon Humberto Delgado

lun. 1/19

5:00 am-11:57 pm

2 stops22h 57m

$448

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

vie. 1/23

2:15 pm-8:10 am

1 stop13h 55m

Lisbon Humberto Delgado

sáb. 1/31

10:15 am-12:36 am

1 stop18h 21m

$449

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

mié. 1/28

8:50 am-6:55 pm

2 stops30h 05m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 13 results
1
2

Best time to book a flight from San Juan to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from San Juan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Juan to Portugal

What is the cheapest month to book a flight from San Juan to Portugal?

Currently, January is the cheapest month in which you can book a flight from San Juan to Portugal (average of $393). Flying from San Juan to Portugal in June is currently the most expensive (average of $989). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJU to PT?

Find hourly flight availability from San Juan to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

One of the essential ways to save on airfare from San Juan to Portugal is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.

What is the cheapest day to fly from San Juan to Portugal?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan to Portugal flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated diciembre 15, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from San Juan to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
KLM
7.7
Good
1,432 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Iberia
7.0
Good
3,052 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

Find useful and relevant information for your journey from San Juan to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Juan to Portugal?

    A quick flight from San Juan to Portugal can take about 13h 25m. Lufthansa provides one of the quickest options available for as low as $441. The distance between San Juan and Portugal is about 3657 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Juan to Portugal one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $420. However, be on the lookout for offers from Iberia and Delta, as they are both options that can get you from San Juan to Portugal for a low price.

  • Can I find deals for flights from San Juan to Portugal that include hotel bookings?

    Yes. In addition to deals on San Juan to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Portugal.

  • Can I find deals for business class flights from San Juan to Portugal?

    Yes. Cheapflights offers flight deals from San Juan to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan to Portugal?

    Currently, January is the cheapest month in which you can book a flight from San Juan to Portugal (average of $393). Flying from San Juan to Portugal in June is currently the most expensive (average of $989). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Juan to Portugal

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Top 6 airlines flying from San Juan to Portugal

Discover the top 6 airlines that operate flights from San Juan to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$501Average$892FlexibilityNo cancel feeOn-time69%
KLMCheapest$533Average$667FlexibilityNo cancel feeOn-time75%
DeltaCheapest$536Average$1,198FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$544Average$913FlexibilityNo cancel feeOn-time71%
IberiaCheapest$558Average$983FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$781Average$1,235FlexibilityNo cancel feeOn-timeN/A

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