Cheap flights from Kolkata to Kathmandu from $142 CCU → KTM
Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM)
The cheapest return found recently is $321 with Air India, 8 Feb 2027 – 8 Feb 2027, found 4 days ago. The cheapest one-way found recently is $142 with Air India, 8 Feb 2027, found 4 days ago.
- Cheapest one-way found recently
- $142, found 4 days ago
- Cheapest return found recently
- $321, 8 Feb 2027 to 8 Feb 2027
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$321
8 Feb 2027 – 8 Feb 2027 · Air India
Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM)
Leaves 7:00 a.m. · Return leaves 9:40 p.m. · 35 h 20 min of travel, both ways together
out 1 stop, back 1 stop
found 4 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$321 8 Feb 2027 – 8 Feb 2027found 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 40 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $282 to $489.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
No. We hold 0-night return fares on 1 other departure date within 3 days of 8 Feb 2027, and it is not cheaper.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 8 Feb 2027 – 8 Feb 2027 | $321 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 9 Feb 2027 – 9 Feb 2027 | $328 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: Air India.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $142 to $144.
Cheapest one-way found recently
$142
8 Feb 2027 · Air India
Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM)
Leaves 10:25 p.m. · 7 h 55 min trip
1 stop
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$142 8 Feb 2027found 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 38 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $137 to $149.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 7 Feb 2027 to 13 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 2 other departure dates within 3 days of 8 Feb 2027, and none is cheaper.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Feb 2027 | $142 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | 1 stop | found 4 days ago | Open this trip |
| 8 Feb 2027 | $142 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | 1 stop | found 4 days ago | Open this trip |
| 9 Feb 2027 | $148 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | 1 stop | found 4 days ago | Open this trip |
| 13 Feb 2027 | $142 | Air India | Netaji Subhas Chandra Bose Airport (CCU) → Tribhuvan International Airport (KTM) | 1 stop | found 4 days ago | Open this trip |
Airlines on the cheapest dates: Air India.
Premium cabin fares from Kolkata to Kathmandu
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 8 Feb 2027 – 8 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 8 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kolkata to Kathmandu?
Return
Fares 60 to 89 days before departure were typically 39% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (40 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $474 | $474 | +65% | 8 |
| 30–59 days | $489 | $353 | +70% | 12 |
| 60–89 days | $288 | $283 | Cheapest seen | 27 |
| 90–179 days | $303 | $282 | +5% | 20 |
One-way
Timing didn't matter much here — prices were about the same in every range.
From the cheapest one-way each day between 24 Sept and 11 Nov (38 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $144 | $137 | +3% | 13 |
| 60–89 days | $141 | $138 | +1% | 26 |
| 90–179 days | $140 | $138 | Cheapest seen | 26 |
Live price for these dates
The cheapest return found recently is for 8 Feb 2027 – 8 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Kolkata to Kathmandu?
The cheapest return found recently is $321 with Air India, 8 Feb 2027 to 8 Feb 2027, found 4 days ago.
How much is a one-way flight from Kolkata to Kathmandu?
The cheapest one-way found recently is $142 with Air India, 8 Feb 2027, found 4 days ago. The cheapest one-way fare on each of 4 departure dates is usually $142 to $144.
How far ahead should I book a flight from Kolkata to Kathmandu?
In 40 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 39% lower than 14 to 29 days before departure. In 38 days of prices between 24 Sept and 11 Nov, one-way fares cost about the same whether the flight was days or months away.
How long is the flight from Kolkata to Kathmandu?
The cheapest one-way found recently, with Air India on 8 Feb 2027, takes 7 h 55 min with 1 stop.
Which airlines have the cheapest flights from Kolkata to Kathmandu?
Between 7 Feb 2027 and 13 Feb 2027, Air India has the cheapest one-way on all 4 departure dates we hold.
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