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New Delhi to Mumbai flights in December 2026 from $71 DEL → BOM, NMI

Indira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM), Navi Mumbai International Airport (NMI)

For departures in December 2026, the cheapest return found recently is $145 with Akasa Air, 5 Dec – 11 Dec, found 2 days ago. The cheapest one-way found recently is $71 with Air India Express, 4 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $145 to $152. Across all 29 departure dates we hold on this route, it is usually $145 to $151. Of the 3 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$145

5 Dec – 11 Dec · Akasa Air

Indira Gandhi International Airport (DEL) → Navi Mumbai International Airport (NMI)

out nonstop, back nonstop

found 2 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
5 Dec – 11 Dec$145Akasa Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 4 Jan 2027$145Akasa Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
14 Dec – 20 Dec$145Akasa Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
30 Dec – 10 Jan 2027$145Akasa Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 6 Jan 2027$146Akasa Airout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

11 departure dates

1 Dec – 13 Dec: $155, found 3 days ago2 Dec – 13 Dec: $154, found 3 days ago4 Dec – 18 Dec: $150, found 6 days ago5 Dec – 11 Dec: $145, found 2 days ago7 Dec – 8 Dec: $152, found 6 days ago13 Dec – 4 Jan 2027: $145, found 2 days ago14 Dec – 20 Dec: $145, found 2 days ago15 Dec – 23 Dec: $147, found 6 days ago25 Dec – 2 Jan 2027: $152, found 7 days ago27 Dec – 6 Jan 2027: $146, found 2 days ago30 Dec – 10 Jan 2027: $145, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 13 Dec$155Akasa AirIndira Gandhi International Airport (DEL) → Navi Mumbai International Airport (NMI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Dec – 13 Dec$154IndiGoIndira Gandhi International Airport (DEL) → Navi Mumbai International Airport (NMI)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
4 Dec – 18 Dec$150Air IndiaIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back 1 stopfound 6 days agoSee prices for these dates
5 Dec – 11 Dec$145Akasa AirIndira Gandhi International Airport (DEL) → Navi Mumbai International Airport (NMI)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 8 Dec$152IndiGoIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back 1 stopfound 6 days agoSee prices for these dates
13 Dec – 4 Jan 2027$145Akasa AirIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
14 Dec – 20 Dec$145Akasa AirIndira Gandhi International Airport (DEL) → Navi Mumbai International Airport (NMI)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Dec – 23 Dec$147IndiGoIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back 1 stopfound 6 days agoSee prices for these dates
25 Dec – 2 Jan 2027$152IndiGoIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back 1 stopfound 7 days agoSee prices for these dates
27 Dec – 6 Jan 2027$146Akasa AirIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
30 Dec – 10 Jan 2027$145Akasa AirIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $134.

November 2026From $1449 departure dates20 Nov – 25 Nov · found 7 days agoSee prices for these datesEvery date in November 2026
December 2026From $14511 departure dates5 Dec – 11 Dec · found 2 days agoSee prices for these dates
January 2027From $134Cheapest seen8 departure dates29 Jan 2027 – 2 Feb 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
April 2027From $1471 departure date2 Apr 2027 – 4 Apr 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $73 to $77. Across all 21 departure dates we hold on this route, it is usually $71 to $75. Of the 3 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$71

4 Dec · Air India Express

Indira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)

1 stop

found 3 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
4 Dec$71Air India Express1 stopfound 3 days agoOpen this trip
27 Dec$76IndiGononstopfound 5 days agoOpen this trip
21 Dec$78IndiGononstopfound 6 days agoOpen this trip

Every date we hold

3 departure dates

4 Dec: $71, found 3 days ago21 Dec: $78, found 6 days ago27 Dec: $76, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec$71Air India ExpressIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)1 stopfound 3 days agoOpen this trip
21 Dec$78IndiGoIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)nonstopfound 6 days agoOpen this trip
27 Dec$76IndiGoIndira Gandhi International Airport (DEL) → Chhatrapati Shivaji International Airport (BOM)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $69.

December 2026From $713 departure dates4 Dec · found 3 days agoOpen this trip
January 2027From $69Cheapest seen12 departure dates13 Jan 2027 · found 8 days agoSee prices for these datesEvery date in January 2027
February 2027From $753 departure dates12 Feb 2027 · found 7 days agoOpen this trip
March 2027From $702 departure dates6 Mar 2027 · found 7 days agoOpen this trip
October 2027From $761 departure date29 Oct 2027 · found 2 days agoOpen 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