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Kathmandu to New Delhi in December 2026 KTM → DEL

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

For departures in December 2026, the cheapest return found recently is $226 with IndiGo, 25 Dec – 26 Dec, found 6 days ago. The cheapest one-way found recently is $159 with IndiGo, 19 Dec, found yesterday.

Return

We hold return fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest return found recently

$226

25 Dec – 26 Dec · IndiGo

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

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
25 Dec – 26 Dec$226IndiGoout nonstop, back nonstopfound 6 days agoSee prices for these dates
26 Dec – 26 Dec$234Air Indiaout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

2 departure dates

25 Dec – 26 Dec: $226, found 6 days ago26 Dec – 26 Dec: $234, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
25 Dec – 26 Dec$226IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)out nonstop, back nonstopfound 6 days agoSee prices for these dates
26 Dec – 26 Dec$234Air IndiaTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $214.

October 2026From $24111 departure dates28 Oct – 27 Nov · found 6 days agoSee prices for these datesEvery date in October 2026
November 2026From $26614 departure dates5 Nov – 28 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $2262 departure dates25 Dec – 26 Dec · found 6 days agoSee prices for these dates
January 2027From $214Cheapest seen4 departure dates15 Jan 2027 – 17 Jan 2027 · found 8 hours agoSee prices for these dates
April 2027From $2444 departure dates7 Apr 2027 – 8 Apr 2027 · found 6 days agoSee prices for these datesEvery date in April 2027
August 2027From $2821 departure date28 Aug 2027 – 7 Sept 2027 · found yesterdaySee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 23 departure dates is usually $160 to $165. Across all 69 departure dates we hold on this route, it is usually $151 to $173. Of the 7 months with enough one-way fares to compare, 4 are usually cheaper than December 2026.

Cheapest one-way found recently

$159

19 Dec · IndiGo

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

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$142

24 Dec · IndiGo

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

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
24 Dec$142IndiGononstopfound 5 days agoOpen this trip
21 Dec$151IndiGononstopfound 5 days agoOpen this trip
25 Dec$151IndiGononstopfound 6 days agoOpen this trip
29 Dec$151IndiGononstopfound 4 days agoOpen this trip
19 Dec$159IndiGononstopfound yesterdayOpen this trip

Every date we hold

23 departure dates

1 Dec: $213, found 6 days ago2 Dec: $166, found today3 Dec: $220, found today4 Dec: $209, found 6 days ago5 Dec: $160, found yesterday6 Dec: $161, found 3 days ago7 Dec: $163, found 2 days ago9 Dec: $214, found 4 days ago10 Dec: $196, found 6 days ago11 Dec: $161, found 3 days ago12 Dec: $160, found today13 Dec: $161, found 3 days ago14 Dec: $161, found 5 days ago17 Dec: $161, found 3 days ago18 Dec: $161, found 3 days ago19 Dec: $159, found yesterday20 Dec: $161, found 5 days ago21 Dec: $151, found 5 days ago24 Dec: $142, found 5 days ago25 Dec: $151, found 6 days ago29 Dec: $151, found 4 days ago30 Dec: $160, found yesterday31 Dec: $161, 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$213Nepal AirlinesTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 6 days agoOpen this trip
2 Dec$166IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound todayOpen this trip
3 Dec$220Biman Bangladesh AirlinesTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)1 stopfound todayOpen this trip
4 Dec$209Nepal AirlinesTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 6 days agoOpen this trip
5 Dec$160IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound yesterdayOpen this trip
6 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip
7 Dec$163IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)stops unknownfound 2 days agoOpen this trip
9 Dec$214Nepal AirlinesTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 4 days agoOpen this trip
10 Dec$196SriLankan AirlinesTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)1 stopfound 6 days agoOpen this trip
11 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip
12 Dec$160IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound todayOpen this trip
13 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip
14 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 5 days agoOpen this trip
17 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip
18 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip
19 Dec$159IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound yesterdayOpen this trip
20 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 5 days agoOpen this trip
21 Dec$151IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 5 days agoOpen this trip
24 Dec$142IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 5 days agoOpen this trip
25 Dec$151IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 6 days agoOpen this trip
29 Dec$151IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 4 days agoOpen this trip
30 Dec$160IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound yesterdayOpen this trip
31 Dec$161IndiGoTribhuvan International Airport (KTM) → Indira Gandhi International Airport (DEL)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $93.

October 2026From $93Cheapest seen6 departure dates20 Oct · found todayOpen this tripEvery date in October 2026
November 2026From $16913 departure dates23 Nov · found todayOpen this tripEvery date in November 2026
December 2026From $14223 departure dates24 Dec · found 5 days agoOpen this trip
January 2027From $1255 departure dates8 Jan 2027 · found 20 hours agoOpen this trip
February 2027From $1244 departure dates26 Feb 2027 · found 12 hours agoOpen this trip
March 2027From $1275 departure dates8 Mar 2027 · found 5 days agoOpen this trip
April 2027From $15910 departure dates8 Apr 2027 · found 6 days agoOpen this tripEvery date in April 2027
May 2027From $1662 departure dates18 May 2027 · found 4 days agoOpen this trip
August 2027From $1681 departure date11 Aug 2027 · found yesterdayOpen this trip

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