$291+ Cheap flights from San Juan to Barcelona
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Barcelona 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.Cheapflights Tip: The best prices from San Juan to Barcelona are usually found in February or December, booked 66 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from San Juan to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.
Round-trip from | $461 (United Airlines) |
|---|---|
One-way from | $292 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,084 |
Find flight deals from San Juan to Barcelona
Cheapest flights from San Juan to BarcelonaExplore the most affordable flight options available from San Juan to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
Explore the most affordable flight options available from San Juan to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 7/30. 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 Delta 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 7/31. 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 Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 7/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair 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 7/31. 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 Lufthansa deal was found by Cheapflights users on 7/31. 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 Lufthansa 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 Barcelona that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Mon 8/18
2:05 am-7:50 am
2 stops23h 45m
Barcelona-El Prat
Tue 9/2
3:15 pm-2:44 pm
1 stop29h 29m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Sun 11/23
7:00 am-8:40 am
2 stops20h 40m
Barcelona-El Prat
Tue 12/2
6:00 am-1:15 pm
2 stops36h 15m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Wed 11/12
12:55 pm-11:10 am
2 stops17h 15m
Barcelona-El Prat
Fri 11/21
12:30 pm-11:47 pm
1 stop16h 17m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Wed 10/1
1:25 pm-12:35 pm
2 stops17h 10m
Barcelona-El Prat
Wed 10/22
11:35 am-11:41 am
1 stop30h 06m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Mon 8/11
6:00 am-7:35 am
1 stop19h 35m
Barcelona-El Prat
Thu 8/21
1:35 pm-6:30 pm
1 stop10h 55m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Sun 10/19
5:30 am-9:05 am
1 stop21h 35m
Barcelona-El Prat
Thu 11/6
10:35 am-11:47 pm
2 stops18h 12m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Wed 12/3
2:26 pm-2:00 pm
2 stops18h 34m
Barcelona-El Prat
Fri 12/12
9:55 am-11:50 pm
2 stops18h 55m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Wed 10/15
1:30 pm-5:55 pm
2 stops22h 25m
Barcelona-El Prat
Mon 10/27
5:50 am-11:36 pm
2 stops22h 46m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Sat 10/4
9:26 pm-7:20 pm
2 stops39h 54m
San JuanBarcelona
SJU - BCN
SJUBCN
San Juan Luis Munoz Marin Intl
Sat 11/1
1:20 pm-9:35 am
2 stops39h 15m
Best time to book a flight from San Juan to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from San Juan with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Barcelona
How far ahead should I book a flight from San Juan to Barcelona?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Barcelona. Price data was last updated on July 25, 2025.
To ensure you get the cheapest price possible for a flight from San Juan to Barcelona, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Juan to Barcelona?
Currently, January is the cheapest month in which you can book a flight from San Juan to Barcelona (average of $523). Flying from San Juan to Barcelona in June is currently the most expensive (average of $1,057). 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 BCN?
Find hourly flight availability from San Juan to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.
A simple way to save on the total cost of your ticket is to fly from San Juan to Barcelona in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from San Juan to Barcelona?
Use this chart to determine the cheapest time to fly round-trip from San Juan to Barcelona. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Juan to Barcelona flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from San Juan to Barcelona?
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France from San Juan to Barcelona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Food
Entertainment
Boarding
Overall
Crew
Comfort
Reviews
F.DAVID,Sep 2023
CDG - ATL
Related info for your journey
Find useful and relevant information for your journey from San Juan to Barcelona. 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 Barcelona
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from San Juan to Barcelona
Discover the top 8 airlines that operate flights from San Juan to Barcelona. 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 July 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$761 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$477 | Average$858 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$487 | Average$632 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$506 | Average$720 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$506 | Average$790 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$532 | Average$917 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$548 | Average$989 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$560 | Average$779 | FlexibilityNo cancel fee | On-time72% |