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Portugal

$332+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$487
(United Airlines)

One-way from

$332
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,057
From San Juan to Portugal
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One-way flight from San Juan to Portugal
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Highest demand for flights based on searches. 24% potential increase in price ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:55 pmSJU - LIS
1 stop12h 35mUnited Airlines
Wed 11/55:00 amLIS - SJU
2 stops23h 36mUnited Airlines
Deal found 9/10$487
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:30 amSJU - LIS
2 stops20h 50mUnited Airlines
Wed 12/35:00 amLIS - SJU
2 stops23h 36mUnited Airlines
Deal found 9/10$496
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:10 amSJU - LIS
2 stops22h 05mUnited Airlines
Wed 12/35:00 amLIS - SJU
2 stops45h 22mUnited Airlines
Deal found 9/10$500
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:30 amSJU - LIS
1 stop21h 45mUnited Airlines
Thu 12/411:55 amLIS - SJU
1 stop14h 27mUnited Airlines
Deal found 9/10$502
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:30 amSJU - LIS
2 stops19h 40mMultiple Airlines
Fri 11/216:10 amLIS - SJU
2 stops20h 12mMultiple Airlines
Deal found 9/9$506
This Finnair deal was found by Cheapflights users on 9/11. 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.
Wed 11/194:43 pmSJU - LIS
1 stop12h 12mMultiple Airlines
Wed 12/311:15 amLIS - SJU
1 stop16h 37mMultiple Airlines
Deal found 9/11$507
This Finnair deal was found by Cheapflights users on 9/11. 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.
Wed 12/108:20 amSJU - LIS
2 stops18h 35mMultiple Airlines
Thu 12/258:55 amLIS - SJU
2 stops16h 16mMultiple Airlines
Deal found 9/11$511
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:20 pmSJU - LIS
1 stop13h 50mUnited Airlines
Sun 11/165:00 amLIS - SJU
2 stops23h 36mUnited Airlines
Deal found 9/9$545
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:05 amSJU - LIS
2 stops26h 50mMultiple Airlines
Sat 12/1311:20 amLIS - SJU
1 stop30h 35mMultiple Airlines
Deal found 9/10$548

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 September 11, 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

Mon 2/23

6:40 am-9:05 am

1 stop22h 25m

Lisbon Humberto Delgado

Fri 3/6

6:30 am-7:55 pm

1 stop17h 25m

$493

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 am-10:15 am

1 stop22h 05m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-11:36 pm

2 stops22h 36m

$496

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Tue 11/18

8:30 am-10:15 am

1 stop21h 45m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-12:36 am

2 stops23h 36m

$496

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Wed 11/19

8:10 am-10:15 am

2 stops22h 05m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-10:22 pm

2 stops45h 22m

$500

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Wed 11/19

8:30 am-10:15 am

1 stop21h 45m

Lisbon Humberto Delgado

Thu 12/4

11:55 am-10:22 pm

1 stop14h 27m

$502

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Tue 11/11

2:20 pm-8:10 am

1 stop13h 50m

Lisbon Humberto Delgado

Fri 11/21

6:10 am-10:22 pm

2 stops20h 12m

$506

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Tue 3/3

2:40 pm-9:15 am

1 stop14h 35m

Lisbon Humberto Delgado

Tue 3/17

11:10 am-10:25 pm

1 stop15h 15m

$507

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Wed 11/19

6:25 am-8:55 am

1 stop22h 30m

Lisbon Humberto Delgado

Wed 12/3

11:15 am-11:52 pm

1 stop16h 37m

$507

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Mon 1/12

5:45 am-4:55 pm

3 stops31h 10m

$332

San JuanLisbon

SJU - LIS

SJULIS

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-10:05 am

1 stop15h 40m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
1
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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 $612). Flying from San Juan to Portugal in June is currently the most expensive (average of $1,127). 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 September 11, 2025.

When flying from San Juan to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

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 22h 05m. United Airlines provides one of the quickest options available for as low as $496. The distance between San Juan and Portugal is about 3657 mi.

  • 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 $612). Flying from San Juan to Portugal in June is currently the most expensive (average of $1,127). 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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Top 7 airlines flying from San Juan to Portugal

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$621FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$487Average$601FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$513Average$896FlexibilityNo cancel feeOn-time69%
DeltaCheapest$536Average$1,069FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$544Average$885FlexibilityNo cancel feeOn-time71%
IberiaCheapest$558Average$978FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$781Average$1,259FlexibilityNo cancel feeOn-timeN/A

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