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New Delhi to Kathmandu in December 2026 DEL → KTM

Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)

For departures in December 2026, the cheapest return found recently is $241 with IndiGo, 1 Dec – 18 Dec, found today. The cheapest one-way found recently is $81 with IndiGo, 23 Dec, found 20 hours ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $184 to $206. Across all 73 departure dates we hold on this route, it is usually $191 to $321. Of the 7 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$241

1 Dec – 18 Dec · IndiGo

Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$179

24 Dec – 26 Dec · Air India

Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
24 Dec – 26 Dec$179Air Indiaout nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Dec – 22 Dec$183Air Indiaout nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 11 Jan 2027$184Air Indiaout nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 10 Jan 2027$185Air Indiaout nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Dec – 9 Jan 2027$185Air Indiaout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

8 departure dates

1 Dec – 18 Dec: $241, found today9 Dec – 2 Jan 2027: $200, found 4 days ago14 Dec – 20 Dec: $224, found 6 days ago21 Dec – 22 Dec: $183, found 3 days ago24 Dec – 26 Dec: $179, found 2 days ago28 Dec – 10 Jan 2027: $185, found 2 days ago29 Dec – 9 Jan 2027: $185, found 2 days ago30 Dec – 11 Jan 2027: $184, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 18 Dec$241IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound todaySee prices for these dates
9 Dec – 2 Jan 2027$200Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
14 Dec – 20 Dec$224Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
21 Dec – 22 Dec$183Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Dec – 26 Dec$179Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 10 Jan 2027$185Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Dec – 9 Jan 2027$185Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
30 Dec – 11 Jan 2027$184Air IndiaIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $177.

October 2026From $31511 departure dates28 Oct – 11 Nov · found todaySee prices for these datesEvery date in October 2026
November 2026From $24216 departure dates23 Nov – 30 Nov · found 6 days agoSee prices for these datesEvery date in November 2026
December 2026From $1798 departure dates24 Dec – 26 Dec · found 2 days agoSee prices for these dates
January 2027From $177Cheapest seen11 departure dates17 Jan 2027 – 24 Jan 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $1894 departure dates8 Feb 2027 – 20 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $2069 departure dates27 Mar 2027 – 30 Mar 2027 · found yesterdaySee prices for these datesEvery date in March 2027
April 2027From $20710 departure dates3 Apr 2027 – 12 Apr 2027 · found 5 days agoSee prices for these datesEvery date in April 2027
May 2027From $2162 departure dates1 May 2027 – 18 May 2027 · found 6 days agoSee prices for these dates
June 2027From $2171 departure date3 Jun 2027 – 17 Jun 2027 · found 4 days agoSee prices for these dates
September 2027From $2161 departure date24 Sept 2027 – 11 Oct 2027 · found 4 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 8 departure dates is usually $80 to $81. Across all 31 departure dates we hold on this route, it is usually $81 to $110. Of the 4 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$81

23 Dec · IndiGo

Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)

nonstop

found 20 hours ago

Open this tripCheck today's price

Cheapest we hold, of any age

$80

13 Dec · IndiGo

Indira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)

nonstop

found 6 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
13 Dec$80IndiGononstopfound 6 days agoOpen this trip
9 Dec$80IndiGononstopfound 4 days agoOpen this trip
10 Dec$80IndiGononstopfound 6 days agoOpen this trip
14 Dec$80IndiGononstopfound 5 days agoOpen this trip
21 Dec$80IndiGononstopfound 5 days agoOpen this trip

Every date we hold

8 departure dates

1 Dec: $81, found yesterday9 Dec: $80, found 4 days ago10 Dec: $80, found 6 days ago13 Dec: $80, found 6 days ago14 Dec: $80, found 5 days ago21 Dec: $80, found 5 days ago23 Dec: $81, found 20 hours ago30 Dec: $81, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$81Nepal AirlinesIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound yesterdayOpen this trip
9 Dec$80IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 4 days agoOpen this trip
10 Dec$80IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 6 days agoOpen this trip
13 Dec$80IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 6 days agoOpen this trip
14 Dec$80IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 5 days agoOpen this trip
21 Dec$80IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 5 days agoOpen this trip
23 Dec$81IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound 20 hours agoOpen this trip
30 Dec$81IndiGoIndira Gandhi International Airport (DEL) → Tribhuvan International Airport (KTM)nonstopfound yesterdayOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $80.

November 2026From $813 departure dates15 Nov · found 6 hours agoOpen this tripEvery date in November 2026
December 2026From $80Cheapest seen8 departure dates13 Dec · found 6 days agoOpen this trip
January 2027From $878 departure dates8 Jan 2027 · found todayOpen this tripEvery date in January 2027
February 2027From $941 departure date1 Feb 2027 · found 3 days agoOpen this trip
March 2027From $922 departure dates27 Mar 2027 · found 6 days agoOpen this tripEvery date in March 2027
April 2027From $1109 departure dates5 Apr 2027 · found todayOpen this tripEvery date in April 2027

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