$361 Cheap Flights from San Juan (SJU) to Sofia (SOF)

View $361 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)

Cheap Flights from San Juan to Sofia (SJU-SOF)

Prices were available within the past 7 days and start at $361 for one-way flights and $492 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 30 - Wed, Feb 25
SJU
San Juan
SOF
Sofia
$492 Roundtrip, found 2 days ago
$492
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 30 from San Juan to Sofia, returning Wed, Feb 25, priced at $492 found 2 days ago
United
Fri, Jan 30 - Tue, Mar 3
SJU
San Juan
SOF
Sofia
$516 Roundtrip, found 2 days ago
$516
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 30 from San Juan to Sofia, returning Tue, Mar 3, priced at $516 found 2 days ago
United
Sun, Feb 1 - Tue, Mar 3
SJU
San Juan
SOF
Sofia
$517 Roundtrip, found 2 days ago
$517
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 1 from San Juan to Sofia, returning Tue, Mar 3, priced at $517 found 2 days ago
United
Sun, Feb 1 - Sat, Feb 28
SJU
San Juan
SOF
Sofia
$521 Roundtrip, found 2 days ago
$521
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 1 from San Juan to Sofia, returning Sat, Feb 28, priced at $521 found 2 days ago
United
Mon, Feb 2 - Thu, Feb 26
SJU
San Juan
SOF
Sofia
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 2 from San Juan to Sofia, returning Thu, Feb 26, priced at $555 found 2 days ago
United
Fri, Jan 30 - Fri, Feb 27
SJU
San Juan
SOF
Sofia
$566 Roundtrip, found 2 days ago
$566
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 30 from San Juan to Sofia, returning Fri, Feb 27, priced at $566 found 2 days ago
American Airlines
Sun, Feb 1 - Sat, Feb 28
SJU
San Juan
SOF
Sofia
$707 Roundtrip, found 2 days ago
$707
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Feb 1 from San Juan to Sofia, returning Sat, Feb 28, priced at $707 found 2 days ago
KLM
Mon, Nov 24 - Mon, Dec 29
SJU
San Juan
SOF
Sofia
$883 Roundtrip, found 9 hours ago
$883
Roundtrip
found 9 hours ago
Select KLM flight, departing Mon, Nov 24 from San Juan to Sofia, returning Mon, Dec 29, priced at $883 found 9 hours ago
Air France
Mon, Dec 15 - Tue, Jan 13
SJU
San Juan
SOF
Sofia
$911 Roundtrip, found 4 days ago
$911
Roundtrip
found 4 days ago
Select Air France flight, departing Mon, Dec 15 from San Juan to Sofia, returning Tue, Jan 13, priced at $911 found 4 days ago
Air Canada
Sun, Feb 1 - Sat, Feb 28
SJU
San Juan
SOF
Sofia
$934 Roundtrip, found 2 days ago
$934
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Feb 1 from San Juan to Sofia, returning Sat, Feb 28, priced at $934 found 2 days ago
Flights from San Juan (SJU) to Sofia (SOF)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Sofia
Airlines serving
British Airways, KLM, Lufthansa, Turkish Airlines, United
Roundtrip price
$492
Distance
5333 mi

San Juan to Sofia Flights

The cheapest times to fly from San Juan to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Sofia are during the month of January. You can find some of the cheapest flights from San Juan to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Sofia

Sunday is one of the best days to book for cheap flights from San Juan to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $361 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $361 or cheap return flight from $492 from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)?
January is the most affordable month to fly from SJU to SOF. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SJU to SOF flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to SOF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)?
To land at Sofia Airport (SOF) on schedule, choose a flight that leaves Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF) last-minute?
Last-minute bookings from SJU to SOF are usually more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book a SJU to SOF flight and hotel package?
Compared with arranging hotels and flights separately, booking a SJU to SOF flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Sofia Airport (SOF)?
If you booked your SJU to SOF flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.