$335 Cheap Flights from Delhi (DEL) to Sofia (SOF)

View $335 flight on Sat, Oct 31, 2026Opens in a new window

Popular airlines from Indira Gandhi International Airport (DEL) to Sofia Airport (SOF)

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Cheap Flights from Delhi to Sofia (DEL-SOF)

Prices were available within the past 7 days and start at $335 for one-way flights and $730 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Sat, Apr 18 - Sat, May 2
DEL
Delhi
SOF
Sofia
$730 Roundtrip, found 5 days ago
$730
Roundtrip
found 5 days ago
Select LOT-Polish Airlines flight, departing Sat, Apr 18 from Delhi to Sofia, returning Sat, May 2, priced at $730 found 5 days ago
Oman Air
Sat, Apr 18 - Sat, May 2
DEL
Delhi
SOF
Sofia
$741 Roundtrip, found 5 days ago
$741
Roundtrip
found 5 days ago
Select Oman Air flight, departing Sat, Apr 18 from Delhi to Sofia, returning Sat, May 2, priced at $741 found 5 days ago
LOT-Polish Airlines
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$749 Roundtrip, found 22 hours ago
$749
Roundtrip
found 22 hours ago
Select LOT-Polish Airlines flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $749 found 22 hours ago
Kuwait Airways
Sat, Apr 18 - Sat, May 2
DEL
Delhi
SOF
Sofia
$775 Roundtrip, found 5 days ago
$775
Roundtrip
found 5 days ago
Select Kuwait Airways flight, departing Sat, Apr 18 from Delhi to Sofia, returning Sat, May 2, priced at $775 found 5 days ago
LOT-Polish Airlines
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$797 Roundtrip, found 22 hours ago
$797
Roundtrip
found 22 hours ago
Select LOT-Polish Airlines flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $797 found 22 hours ago
Turkish Airlines
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$799 Roundtrip, found 22 hours ago
$799
Roundtrip
found 22 hours ago
Select Turkish Airlines flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $799 found 22 hours ago
LOT-Polish Airlines
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$799 Roundtrip, found 22 hours ago
$799
Roundtrip
found 22 hours ago
Select LOT-Polish Airlines flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $799 found 22 hours ago
LOT-Polish Airlines
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$804 Roundtrip, found 22 hours ago
$804
Roundtrip
found 22 hours ago
Select LOT-Polish Airlines flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $804 found 22 hours ago
Kuwait Airways
Sat, Apr 18 - Sat, May 2
DEL
Delhi
SOF
Sofia
$809 Roundtrip, found 5 days ago
$809
Roundtrip
found 5 days ago
Select Kuwait Airways flight, departing Sat, Apr 18 from Delhi to Sofia, returning Sat, May 2, priced at $809 found 5 days ago
Gulf Air
Sun, Oct 25 - Thu, Oct 29
DEL
Delhi
SOF
Sofia
$850 Roundtrip, found 22 hours ago
$850
Roundtrip
found 22 hours ago
Select Gulf Air flight, departing Sun, Oct 25 from Delhi to Sofia, returning Thu, Oct 29, priced at $850 found 22 hours ago

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Frequently asked questions

How much does a flight from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $335 or cheap return flight from $730 from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF) 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 Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF)?
Planning your trip for April is a good way to save, as it's the cheapest month for flights between DEL and SOF. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF)?
To find the cheapest airline flying from DEL to SOF, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF)?
Direct flights from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEL to SOF?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF)?
To reach Sofia Airport (SOF) on time, opt for a flight that leaves from Indira Gandhi Intl. Airport (DEL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF) last-minute?
Holding off until right before your break to book your flight from DEL to SOF often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a DEL to SOF flight and hotel package?
Opting for a DEL to SOF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indira Gandhi Intl. Airport (DEL) to Sofia Airport (SOF)?
Typically, you're able to reschedule or cancel your DEL to SOF flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Indira Gandhi Intl.
Destination airport
Sofia
Airlines serving
LOT-Polish Airlines, Qatar Airways, Turkish Airlines
Roundtrip price
$730
Distance
3112 mi

Book with confidence

Delhi to Sofia Flights

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

 

The best time to book a flight from Delhi to Sofia

Sunday is one of the best days to book for cheap flights from Delhi 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 Delhi 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 Delhi to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $335 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 Delhi 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 Delhi 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.

 

Delhi to Sofia Flights

*Flight schedules are subject to change.

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*Available to One Key members.