$277+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 October 30, 2025.
Round-trip from | $439 (Delta) |
|---|---|
One-way from | $277 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,155 |
Find flight deals from San Juan to Portugal
Cheapest flights from San Juan to PortugalExplore 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 October 30, 2025.
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 October 30, 2025.
This KLM deal was found by Cheapflights users on 10/30. 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.
This KLM deal was found by Cheapflights users on 10/30. 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.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
This Finnair deal was found by Cheapflights users on 10/27. 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.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Juan to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Tue 3/3
8:35 am-8:10 am
2 stops19h 35m
Lisbon Humberto Delgado
Tue 3/17
5:00 am-9:22 pm
2 stops20h 22m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Tue 3/3
2:10 pm-8:10 am
1 stop14h 00m
Lisbon Humberto Delgado
Tue 3/17
5:00 am-11:36 pm
2 stops22h 36m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 2/25
8:10 am-8:10 am
2 stops20h 00m
Lisbon Humberto Delgado
Sat 3/7
5:00 am-12:36 am
2 stops23h 36m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 12/3
2:10 pm-8:40 am
1 stop14h 30m
Lisbon Humberto Delgado
Sat 12/13
5:30 am-11:59 pm
2 stops22h 29m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 11/19
5:50 pm-10:15 am
1 stop12h 25m
Lisbon Humberto Delgado
Wed 12/3
11:55 am-10:22 pm
1 stop14h 27m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 11/19
5:50 pm-10:15 am
1 stop12h 25m
Lisbon Humberto Delgado
Thu 12/4
11:55 am-10:22 pm
1 stop14h 27m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 2/25
8:40 am-8:25 pm
3 stops31h 45m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Mon 3/23
6:00 am-5:25 am
1 stop19h 25m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Mon 11/10
8:10 am-10:15 am
2 stops22h 05m
San JuanLisbon
SJU - LIS
SJULIS
San Juan Luis Munoz Marin Intl
Wed 11/26
2:27 pm-8:00 am
1 stop13h 33m
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.
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, March is the cheapest month in which you can book a flight from San Juan to Portugal (average of $466). 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 October 30, 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 October 30, 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.
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Mary,Oct 2025
AMS - PDX
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.
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Alternative routes for San Juan to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$621 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$487 | Average$567 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$501 | Average$908 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$536 | Average$1,198 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$862 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$558 | Average$959 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$781 | Average$1,235 | FlexibilityNo cancel fee | On-timeN/A |