$346 Cheap Flights from Sofia (SOF) to Delhi (DEL)

View $346 flight on Fri, Nov 21, 2025Opens in a new window

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

Cheap Flights from Sofia to Delhi (SOF-DEL)

Prices were available within the past 7 days and start at $346 for one-way flights and $532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Sep 13 - Sat, Sep 27
SOF
Sofia
DEL
Delhi
$532 Roundtrip, found 4 days ago
$532
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Sep 13 from Sofia to Delhi, returning Sat, Sep 27, priced at $532 found 4 days ago
KLM
Sat, Sep 13 - Sun, Sep 28
SOF
Sofia
DEL
Delhi
$533 Roundtrip, found 4 days ago
$533
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Sep 13 from Sofia to Delhi, returning Sun, Sep 28, priced at $533 found 4 days ago
Air France
Mon, Sep 15 - Sat, Sep 27
SOF
Sofia
DEL
Delhi
$550 Roundtrip, found 4 days ago
$550
Roundtrip
found 4 days ago
Select Air France flight, departing Mon, Sep 15 from Sofia to Delhi, returning Sat, Sep 27, priced at $550 found 4 days ago
Air France
Mon, Sep 15 - Sun, Sep 28
SOF
Sofia
DEL
Delhi
$551 Roundtrip, found 4 days ago
$551
Roundtrip
found 4 days ago
Select Air France flight, departing Mon, Sep 15 from Sofia to Delhi, returning Sun, Sep 28, priced at $551 found 4 days ago
Air France
Sat, Sep 20 - Sat, Oct 4
SOF
Sofia
DEL
Delhi
$558 Roundtrip, found 4 days ago
$558
Roundtrip
found 4 days ago
Select Air France flight, departing Sat, Sep 20 from Sofia to Delhi, returning Sat, Oct 4, priced at $558 found 4 days ago
Lufthansa
Thu, Nov 6 - Thu, Nov 20
SOF
Sofia
DEL
Delhi
$558 Roundtrip, found 20 hours ago
$558
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Thu, Nov 6 from Sofia to Delhi, returning Thu, Nov 20, priced at $558 found 20 hours ago
Lufthansa
Thu, Nov 6 - Thu, Nov 20
SOF
Sofia
DEL
Delhi
$559 Roundtrip, found 20 hours ago
$559
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Thu, Nov 6 from Sofia to Delhi, returning Thu, Nov 20, priced at $559 found 20 hours ago
Lufthansa
Thu, Nov 6 - Thu, Nov 20
SOF
Sofia
DEL
Delhi
$566 Roundtrip, found 20 hours ago
$566
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Thu, Nov 6 from Sofia to Delhi, returning Thu, Nov 20, priced at $566 found 20 hours ago
Turkish Airlines
Tue, Sep 16 - Sat, Sep 27
SOF
Sofia
DEL
Delhi
$589 Roundtrip, found 4 days ago
$589
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Tue, Sep 16 from Sofia to Delhi, returning Sat, Sep 27, priced at $589 found 4 days ago
Swiss International Air Lines
Thu, Nov 6 - Thu, Nov 20
SOF
Sofia
DEL
Delhi
$617 Roundtrip, found 20 hours ago
$617
Roundtrip
found 20 hours ago
Select Swiss International Air Lines flight, departing Thu, Nov 6 from Sofia to Delhi, returning Thu, Nov 20, priced at $617 found 20 hours ago

Alternative airports near New Delhi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Indira Gandhi Intl. DEL. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $612
DEL
Indira Gandhi Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $612
Flights from Sofia (SOF) to Delhi (DEL)
Origin airport
Sofia
Destination airport
Indira Gandhi Intl.
Airlines serving
British Airways, Ethiopian Airlines, ITA Airways, LOT-Polish Airlines, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$531
Distance
3112 mi

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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $346 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.

 

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 $346 or cheap return flight from $532 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 September 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.

Explore a world of travel with Expedia

*Available to One Key members.