December is by far the best month, wherein you can get cheapest flights for Denver to Kathmandu. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

DEN
05:15
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
23:00
Kathmandu
Tribhuvan International Airport
Wed, 21 Oct 2026

DEN
19:15
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
21:45
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
18:53
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
09:50
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
20:25
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
06:05
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
18:53
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
08:50
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
12:55
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
09:50
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
18:53
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
08:50
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
11:25
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
21:45
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
13:25
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
08:00
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
17:50
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
21:45
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026

DEN
13:35
Denver
Denver International Airport
Tue , 20 Oct 2026

KTM
08:00
Kathmandu
Tribhuvan International Airport
Thu, 22 Oct 2026










Flying from Denver to Kathmandu has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Denver to Kathmandu is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Denver International Airport (DEN) and Tribhuvan International Airport (KTM). You can expect a flight distance of approximately 12431 km, and most direct services cover it in around 21:17.
Let’s take a closer look at everything you need to know before booking your flight from Denver to Kathmandu.
| Flight Details | Information |
|---|---|
| Route Distance | 12431 km |
| Average Flight Time | 21:17 hrs |
| Departure Airport | Denver International Airport (DEN) |
| Arrival Airport | Tribhuvan International Airport (KTM) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | United Airlines, Delta Airlines, American Airlines, Turkish Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.