$350 Cheap Flights from Sofia (SOF) to Delhi (DEL)

View $350 flight on Mon, May 18, 2026Opens in a new window

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

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Cheap Flights from Sofia to Delhi (SOF-DEL)

Prices were available within the past 7 days and start at $350 for one-way flights and $655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, Feb 12 - Wed, Feb 25
SOF
Sofia
DEL
Delhi
$655 Roundtrip, found 1 day ago
$655
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Thu, Feb 12 from Sofia to Delhi, returning Wed, Feb 25, priced at $655 found 1 day ago
Qatar Airways
Thu, Feb 12 - Thu, Feb 19
SOF
Sofia
DEL
Delhi
$655 Roundtrip, found 2 days ago
$655
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Thu, Feb 12 from Sofia to Delhi, returning Thu, Feb 19, priced at $655 found 2 days ago
Qatar Airways
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$664 Roundtrip, found 18 hours ago
$664
Roundtrip
found 18 hours ago
Select Qatar Airways flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $664 found 18 hours ago
Turkish Airlines
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$674 Roundtrip, found 18 hours ago
$674
Roundtrip
found 18 hours ago
Select Turkish Airlines flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $674 found 18 hours ago
KLM
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$677 Roundtrip, found 18 hours ago
$677
Roundtrip
found 18 hours ago
Select KLM flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $677 found 18 hours ago
KLM
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$684 Roundtrip, found 18 hours ago
$684
Roundtrip
found 18 hours ago
Select KLM flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $684 found 18 hours ago
Air France
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$694 Roundtrip, found 18 hours ago
$694
Roundtrip
found 18 hours ago
Select Air France flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $694 found 18 hours ago
Etihad Airways
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$701 Roundtrip, found 18 hours ago
$701
Roundtrip
found 18 hours ago
Select Etihad Airways flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $701 found 18 hours ago
Lufthansa
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$705 Roundtrip, found 18 hours ago
$705
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $705 found 18 hours ago
Air France
Mon, May 18 - Tue, Jul 28
SOF
Sofia
DEL
Delhi
$710 Roundtrip, found 18 hours ago
$710
Roundtrip
found 18 hours ago
Select Air France flight, departing Mon, May 18 from Sofia to Delhi, returning Tue, Jul 28, priced at $710 found 18 hours ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL) cost?
Secure a cheap one-way flight from $350 or cheap return flight from $655 from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL)?
Planning your trip for February may help you find better deals, as it's the cheapest month for flights between SOF and DEL. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SOF to DEL. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL)?
There are no daily nonstop flights departing from Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SOF to DEL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL)?
To avoid potential delays on the Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Indira Gandhi Intl. Airport (DEL) last-minute?
Booking your flight from SOF to DEL shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SOF to DEL flight and hotel package?
Booking a SOF to DEL 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 impressive range of stays 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 Sofia Airport (SOF) to Indira Gandhi Intl. Airport (DEL)?
It's generally possible to reschedule or cancel your SOF to DEL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sofia
Destination airport
Indira Gandhi Intl.
Airlines serving
Air France, British Airways, Ethiopian Airlines, Etihad Airways, ITA Airways, KLM, LOT-Polish Airlines, Lufthansa, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines, flydubai
Roundtrip price
$654
Distance
3112 mi

Book with confidence

Sofia to Delhi Flights

The cheapest times to fly from Sofia to Delhi

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

 

The best time to book a flight from Sofia to Delhi

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

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 Delhi in 2026. You can also book with separate airlines for your outbound and return journeys, from $350 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 Delhi 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 Delhi 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.

 

Sofia to Delhi Flights

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*Available to One Key members.