New Delhi to Kathmandu flights in December 2026 from $67 DEL → KTM
Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)
For departures in December 2026, the cheapest return found recently is $189 with IndiGo, 27 Dec – 11 Jan 2027, found 2 days ago. The cheapest one-way found recently is $67 with Nepal Airlines, 5 Dec, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 17 departure dates is usually $200 to $218. Across all 65 departure dates we hold on this route, it is usually $204 to $233. Of the 7 months with enough return fares to compare, 2 are usually cheaper than December 2026.
Cheapest return found recently
$189
27 Dec – 11 Jan 2027 · IndiGo
Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)
out nonstop, back nonstop
found 2 days ago
It is also the cheapest return we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 27 Dec – 11 Jan 2027 | $189 | IndiGo | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 24 Dec – 11 Jan 2027 | $191 | IndiGo | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 25 Dec – 11 Jan 2027 | $191 | IndiGo | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 30 Dec – 10 Jan 2027 | $199 | IndiGo | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 28 Dec – 10 Jan 2027 | $200 | IndiGo | out nonstop, back nonstop | found 8 days ago | See prices for these dates |
Every date we hold
17 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 11 Dec | $211 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 9 Dec – 22 Dec | $219 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 10 Dec – 20 Dec | $218 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 11 Dec – 17 Dec | $218 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 12 Dec – 6 Jan 2027 | $204 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 13 Dec – 16 Dec | $218 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 14 Dec – 16 Dec | $226 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 15 Dec – 16 Dec | $208 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 19 Dec – 21 Dec | $204 | Air India | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 20 Dec – 30 Dec | $204 | Air India | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 24 Dec – 11 Jan 2027 | $191 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 25 Dec – 11 Jan 2027 | $191 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 27 Dec – 11 Jan 2027 | $189 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 28 Dec – 10 Jan 2027 | $200 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 8 days ago | See prices for these dates |
| 29 Dec – 30 Dec | $204 | Air India | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 30 Dec – 10 Jan 2027 | $199 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 31 Dec – 10 Jan 2027 | $206 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $189.
One-way
We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.
Cheapest one-way found recently
$67
5 Dec · Nepal Airlines
Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)
nonstop
found 2 days ago
It is also the cheapest one-way we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 5 Dec | $67 | Nepal Airlines | nonstop | found 2 days ago | Open this trip |
| 26 Dec | $80 | IndiGo | nonstop | found 3 days ago | Open this trip |
Every date we hold
2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Dec | $67 | Nepal Airlines | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | nonstop | found 2 days ago | Open this trip |
| 26 Dec | $80 | IndiGo | Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $67.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work