Which airlines fly direct between Kathmandu and Sofia?

Airlines operating direct flights include Nepal Airlines, Qatar Airways, Bulgaria Air, Ryanair.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $409 depending on season and advance booking.

Home FlightsKathmandu to Sofia

Verified Route Guide

Flights from Kathmandu to Sofia

Q: How long is the flight from Kathmandu to Sofia?

The average nonstop flight time from Kathmandu (KTM) to Sofia (SOF) is approximately 7h 25m covering a distance of 5737 km.

Tribhuvan International (KTM) → Sofia Airport (SOF)

Fares From$409

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Flight Time

7h 25m

Nonstop average

Distance

5737 km

Air route corridor

Best Time to Fly

April - June & September - October (Optimal climate)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Kathmandu to Sofia

Cheap flights from Kathmandu (KTM) to Sofia (SOF). Compare Nepal Airlines fares from $409 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Tribhuvan International and Sofia Airport, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

Nepal Airlines

Qatar Airways

Bulgaria Air

Ryanair

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Kathmandu (KTM) to Sofia (SOF)
Flight Distance	5,737 kilometers / 3,565 miles
Average Flight Duration	7h 25m (nonstop)
Starting Fare	From $409 (0% added booking fees)
Operating Airlines	Nepal Airlines, Qatar Airways, Bulgaria Air, Ryanair
Optimal Travel Season	April - June & September - October (Optimal climate)

Return Flight Route

Sofia (SOF) to Kathmandu (KTM)

Nonstop return tickets from $409 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Kathmandu to Sofia?

The nonstop flight takes approximately 7h 25m, traversing 5737 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.