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Departure

Thu, 30 Jul

Return

Travellers & Class

1 Traveller, Economy

Flights Under ₹20,000 from Kolkata to Kathmandu

Wed, 29 Jul

₹12,623

Thu, 30 Jul

₹13,222

Fri, 31 Jul

₹13,222

Sat, 01 Aug

₹13,600

Sun, 02 Aug

₹14,153

Mon, 03 Aug

₹13,600

Tue, 04 Aug

₹13,600

Wed, 05 Aug

₹13,600

Thu, 06 Aug

₹13,600

Fri, 07 Aug

₹14,020

Sat, 08 Aug

₹14,153

Sun, 09 Aug

₹14,153

Mon, 10 Aug

₹13,600

Tue, 11 Aug

₹14,020

Wed, 12 Aug

₹15,165

Thu, 13 Aug

₹15,156

Fri, 14 Aug

₹15,517

Sat, 15 Aug

₹14,020

Sun, 16 Aug

₹15,072

Mon, 17 Aug

₹14,573

Tue, 18 Aug

₹15,138

Wed, 19 Aug

₹14,153

Thu, 20 Aug

₹15,156

Fri, 21 Aug

₹14,573

Sat, 22 Aug

₹14,573

Sun, 23 Aug

₹15,072

Mon, 24 Aug

₹15,072

Tue, 25 Aug

₹15,138

Wed, 26 Aug

₹13,600

Thu, 27 Aug

₹15,072

Fri, 28 Aug

₹15,728

Sat, 29 Aug

₹15,728

Sun, 30 Aug

₹14,805

Mon, 31 Aug

₹15,156

Tue, 01 Sep

₹15,989

Wed, 02 Sep

₹15,989

Thu, 03 Sep

₹15,989

Fri, 04 Sep

₹15,175

Sat, 05 Sep

₹15,989

Sun, 06 Sep

₹16,358

Mon, 07 Sep

₹15,989

Tue, 08 Sep

₹15,989

Wed, 09 Sep

₹15,989

Thu, 10 Sep

₹15,989

Fri, 11 Sep

₹15,989

Sat, 12 Sep

₹16,542

Best Flight

(Cheaper and shorter duration)

IndiGo

6E5190, 6E1155

22:30

CCU

15h 35m

1 Stop

14:20

KTM

₹13,222

₹11,322

IndiGo

6E917, 6E1155

21:00

CCU

17h 4m

1 Stop

14:20

KTM

₹13,222

₹11,322

IndiGo

6E899, 6E1161

10:15

CCU

1 Stop

18:30

KTM

₹13,642

₹11,742

IndiGo

6E5190, 6E1153

22:30

CCU

13h

1 Stop

11:45

KTM

₹13,642

₹11,742

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IndiGo

6E5190, 6E1151

22:30

CCU

9h 45m

1 Stop

08:30

KTM

₹13,642

₹11,742

Get up to ₹10,000 Off on International Flights with ICICI Bank Credit Card + Interest Free EMI

IndiGo

6E474, 6E1161

05:20

CCU

12h 55m

1 Stop

18:30

KTM

₹13,642

₹11,742

IndiGo

6E891, 6E1161

07:00

CCU

11h 15m

1 Stop

18:30

KTM

₹13,642

₹11,742

IndiGo

6E5190, 6E1161

22:30

CCU

19h 45m

1 Stop

18:30

KTM

₹13,642

₹11,742

Flat 10% Off on International Flight with HSBC Credit Card+ 3 Month Interest Free EMI

IndiGo

6E474, 6E1153

05:20

CCU

6h 10m

1 Stop

11:45

KTM

₹13,642

₹11,742

IndiGo

6E474, 6E1155

05:20

CCU

8h 45m

1 Stop

14:20

KTM

₹13,642

₹11,742

Cheapest flights under ₹20,000 by Airline

Upto 12% off

₹11,322

30 Jul 2026

IndiGo lowest fare

Upto 12% off

₹13,238

30 Jul 2026

Air India lowest fare

Why Book With ixigo?

Instant & full refunds <span style='font-weight: 700;'>with Assured</span>

Instant & full refunds with Assured

<span style='font-weight: 700;'>Save up to 40%</span> with intelligent fare alerts

Save up to 40% with intelligent fare alerts

Track flight delays, boarding gate & baggage belt

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Frequently Asked Questions

Which is the cheapest flights under ₹20,000 from Kolkata to Kathmandu?

The cheapest flights under ₹20,000 from Kolkata to Kathmandu is ₹11,322.

Which airlines operate flights under ₹20,000 between Kolkata and Kathmandu?

The airlines that operate flights under ₹20,000 between Kolkata and Kathmandu are IndiGo, Air India.

How many flights under ₹20,000 run between Kolkata and Kathmandu?

There are 63 flights under ₹20,000 running between Kolkata and Kathmandu.

Which is the shortest flights under ₹20,000 between Kolkata and Kathmandu?

The shortest flights under ₹20,000 between Kolkata and Kathmandu is 5h 40m.

What is the average price of flights under ₹20,000 between Kolkata and Kathmandu?

The average price of flights under ₹20,000 between Kolkata and Kathmandu is ₹14,911.

Airport Details

Kolkata

Netaji Subhash Chandra Bose Intl Airport

Airport Director,Airports Authority of India,NSCBI Airport,Kolkata - 700 052 (WB)

91-33-25119977,91-33-2511 9020 (R)

[email protected]

Kathmandu

Tribhuvan

Ring Rd, Kathmandu 44600, Nepal

See which month will cost you the less to visit Kathmandu

Best flight prices to Nepal from India are in monsoon months (June-August), starting at ₹8,000-₹10,000 round trip.

Accommodation in Nepal averages ₹1,500-₹2,500 daily for mid-range hotels, budget options available from ₹500-₹800 nightly.

October-November and March-April are peak tourist months in Nepal—avoid these periods to escape large crowds and higher prices.

Useful Resources

Flights from Kolkata to Kathmandu Flight Status Web Check-in Online Flight Ticket Booking

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Travel Tips

Plan ahead of your travel. Check these things early.

VISA

Visa Available on Arrival

Valid passport required

Best Season

October to November

March to April ideal

Currency

Nepalese Rupee (NPR)

Symbol: ₨ or Rs

Language

Nepali

Hindi widely understood

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