$299 Cheap Flights from Sofia (SOF) to Santander (SDR)

View $299 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Santander (SDR)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Sofia to Santander (SOF-SDR)

Prices were available within the past 7 days and start at $299 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sofia (SOF) to Santander (SDR)
Origin airport
Sofia
Destination airport
Santander
Distance
1369 mi

Sofia to Santander Flights

The cheapest times to fly from Sofia to Santander

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 Sofia to Santander are during the month of . You can find some of the cheapest flights from Sofia to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Santander

Sunday is one of the best days to book for cheap flights from Sofia to Santander: 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 Sofia to Santander

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 Sofia to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $299 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 Sofia to Santander 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 Sofia to Santander 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 Sofia Airport (SOF) to Santander Airport (SDR) cost?
Grab a cheap one-way flight from $299 or cheap return flight from Sofia Airport (SOF) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Santander Airport (SDR)?
The cheapest month to fly from SOF to SDR is , when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Santander Airport (SDR)?
To find the cheapest airline flying from SOF to SDR, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sofia Airport (SOF) to Santander Airport (SDR)?
There are no daily nonstop flights available from Sofia Airport (SOF) to Santander Airport (SDR). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SOF to SDR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Santander Airport (SDR)?
Select a flight from Sofia Airport (SOF) to Santander Airport (SDR) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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 Sofia Airport (SOF) to Santander Airport (SDR) last-minute?
Waiting until right before your break to book your flight from SOF to SDR generally means paying more. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a SOF to SDR flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to SDR flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Santander Airport (SDR)?
In most cases, you can cancel or reschedule your SOF to SDR flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.