$519 Cheap Flights from Sofia (SOF) to Kathmandu (KTM)

View $519 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM)

Cheap Flights from Sofia to Kathmandu (SOF-KTM)

Prices were available within the past 7 days and start at $519 for one-way flights and $922 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Feb 11 - Sun, Feb 22
SOF
Sofia
KTM
Kathmandu
$922 Roundtrip, found 3 days ago
$922
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Wed, Feb 11 from Sofia to Kathmandu, returning Sun, Feb 22, priced at $922 found 3 days ago
Turkish Airlines
Fri, Nov 21 - Wed, Jan 7
SOF
Sofia
KTM
Kathmandu
$982 Roundtrip, found 8 hours ago
$982
Roundtrip
found 8 hours ago
Select Turkish Airlines flight, departing Fri, Nov 21 from Sofia to Kathmandu, returning Wed, Jan 7, priced at $982 found 8 hours ago
Turkish Airlines
Wed, Nov 26 - Wed, Jan 7
SOF
Sofia
KTM
Kathmandu
$995 Roundtrip, found 8 hours ago
$995
Roundtrip
found 8 hours ago
Select Turkish Airlines flight, departing Wed, Nov 26 from Sofia to Kathmandu, returning Wed, Jan 7, priced at $995 found 8 hours ago
Turkish Airlines
Sun, Nov 23 - Wed, Jan 7
SOF
Sofia
KTM
Kathmandu
$996 Roundtrip, found 8 hours ago
$996
Roundtrip
found 8 hours ago
Select Turkish Airlines flight, departing Sun, Nov 23 from Sofia to Kathmandu, returning Wed, Jan 7, priced at $996 found 8 hours ago
Turkish Airlines
Thu, Aug 28 - Thu, Sep 4
SOF
Sofia
KTM
Kathmandu
$1,012 Roundtrip, found 12 hours ago
$1,012
Roundtrip
found 12 hours ago
Select Turkish Airlines flight, departing Thu, Aug 28 from Sofia to Kathmandu, returning Thu, Sep 4, priced at $1,012 found 12 hours ago
Turkish Airlines
Tue, Nov 25 - Wed, Jan 7
SOF
Sofia
KTM
Kathmandu
$1,013 Roundtrip, found 8 hours ago
$1,013
Roundtrip
found 8 hours ago
Select Turkish Airlines flight, departing Tue, Nov 25 from Sofia to Kathmandu, returning Wed, Jan 7, priced at $1,013 found 8 hours ago
flydubai
Wed, Aug 20 - Sun, Aug 24
SOF
Sofia
KTM
Kathmandu
$1,061 Roundtrip, found 1 day ago
$1,061
Roundtrip
found 1 day ago
Select flydubai flight, departing Wed, Aug 20 from Sofia to Kathmandu, returning Sun, Aug 24, priced at $1,061 found 1 day ago
Qatar Airways
Thu, Aug 28 - Thu, Sep 4
SOF
Sofia
KTM
Kathmandu
$1,086 Roundtrip, found 12 hours ago
$1,086
Roundtrip
found 12 hours ago
Select Qatar Airways flight, departing Thu, Aug 28 from Sofia to Kathmandu, returning Thu, Sep 4, priced at $1,086 found 12 hours ago
Emirates
Wed, Aug 20 - Sun, Aug 24
SOF
Sofia
KTM
Kathmandu
$1,138 Roundtrip, found 1 day ago
$1,138
Roundtrip
found 1 day ago
Select Emirates flight, departing Wed, Aug 20 from Sofia to Kathmandu, returning Sun, Aug 24, priced at $1,138 found 1 day ago
KLM
Wed, Sep 24 - Tue, Nov 4
SOF
Sofia
KTM
Kathmandu
$1,534 Roundtrip, found 15 hours ago
$1,534
Roundtrip
found 15 hours ago
Select KLM flight, departing Wed, Sep 24 from Sofia to Kathmandu, returning Tue, Nov 4, priced at $1,534 found 15 hours ago
Flights from Sofia (SOF) to Kathmandu (KTM)
Origin airport
Sofia
Destination airport
Tribhuvan Intl.
Airlines serving
Emirates, KLM, Qatar Airways, Swiss International Air Lines, Turkish Airlines, flydubai
Roundtrip price
$921
Distance
3564 mi

Sofia to Kathmandu Flights

The cheapest times to fly from Sofia to Kathmandu

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

 

The best time to book a flight from Sofia to Kathmandu

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

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 Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $519 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 Kathmandu 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 Kathmandu 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 Tribhuvan Intl. Airport (KTM) cost?
Lock in a cheap one-way flight from $519 or cheap return flight from $922 from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM) 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 Tribhuvan Intl. Airport (KTM)?
February is the most affordable month to fly from SOF to KTM. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM)?
To find the cheapest airline that'll fly you from SOF to KTM, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM)?
You'll need to hop on a flight with a layover if you're traveling from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SOF to KTM?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, 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 Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM)?
To land at Tribhuvan Intl. Airport (KTM) without delays, book a flight that takes off from Sofia Airport (SOF) 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 Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM) last-minute?
Booking your plane ticket from SOF to KTM just before your trip is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SOF to KTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to KTM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Tribhuvan Intl. Airport (KTM)?
Typically, you're able to reschedule or cancel your SOF to KTM flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.