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Departure

Fri, 10 Jul

Return

Travellers & Class

1 Traveller, Economy

Flights Under ₹20,000 from Kolkata to Kathmandu

Thu, 09 Jul

₹13,555

Fri, 10 Jul

₹12,657

Sat, 11 Jul

₹11,992

Sun, 12 Jul

₹12,657

Mon, 13 Jul

₹11,992

Tue, 14 Jul

₹12,591

Wed, 15 Jul

₹12,001

Thu, 16 Jul

₹12,001

Fri, 17 Jul

₹12,001

Sat, 18 Jul

₹12,001

Sun, 19 Jul

₹12,001

Mon, 20 Jul

₹11,998

Tue, 21 Jul

₹11,992

Wed, 22 Jul

₹12,001

Thu, 23 Jul

₹11,998

Fri, 24 Jul

₹12,599

Sat, 25 Jul

₹11,998

Sun, 26 Jul

₹12,001

Mon, 27 Jul

₹11,992

Tue, 28 Jul

₹12,097

Wed, 29 Jul

₹12,097

Thu, 30 Jul

₹12,001

Fri, 31 Jul

₹12,696

Sat, 01 Aug

₹13,600

Sun, 02 Aug

₹13,686

Mon, 03 Aug

₹13,600

Tue, 04 Aug

₹13,686

Wed, 05 Aug

₹13,683

Thu, 06 Aug

₹13,683

Fri, 07 Aug

₹13,600

Sat, 08 Aug

₹13,683

Sun, 09 Aug

₹13,654

Mon, 10 Aug

₹13,683

Tue, 11 Aug

₹13,686

Wed, 12 Aug

₹13,686

Thu, 13 Aug

₹13,678

Fri, 14 Aug

₹13,681

Sat, 15 Aug

₹13,600

Sun, 16 Aug

₹13,683

Mon, 17 Aug

₹13,657

Tue, 18 Aug

₹13,681

Wed, 19 Aug

₹13,681

Thu, 20 Aug

₹14,967

Fri, 21 Aug

₹13,032

Sat, 22 Aug

₹14,048

Sun, 23 Aug

₹12,581

Best Flight

(Cheaper and shorter duration)

IndiGo

6E5190, 6E1153

22:30

CCU

13h

1 Stop

11:45

KTM

₹12,657

₹10,757

IndiGo

6E5190, 6E1151

22:30

CCU

9h 45m

1 Stop

08:30

KTM

₹12,657

₹10,757

IndiGo

6E474, 6E1161

05:20

CCU

12h 55m

1 Stop

18:30

KTM

₹12,657

₹10,757

IndiGo

6E891, 6E1161

07:00

CCU

11h 15m

1 Stop

18:30

KTM

₹12,657

₹10,757

Get up to ₹7,500 on International Flights with ICICI Bank Credit Cards EMI

IndiGo

6E474, 6E1153

05:20

CCU

6h 10m

1 Stop

11:45

KTM

₹12,657

₹10,757

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

IndiGo

6E474, 6E1155

05:20

CCU

8h 45m

1 Stop

14:20

KTM

₹12,657

₹10,757

IndiGo

6E891, 6E1155

07:00

CCU

7h 5m

1 Stop

14:20

KTM

₹12,657

₹10,757

IndiGo

6E896, 6E1161

08:25

CCU

9h 50m

1 Stop

18:30

KTM

₹13,077

₹11,177

Up to ₹7,500 Off on International Flights with HDFC Bank Credit Card + Interest Free EMI

IndiGo

6E896, 6E1155

08:25

CCU

5h 40m

1 Stop

14:20

KTM

₹13,077

₹11,177

IndiGo

6E493, 6E1151

19:15

CCU

12h 59m

1 Stop

08:30

KTM

₹13,077

₹11,177

Cheapest flights under ₹20,000 by Airline

Upto 12% off

₹10,757

10 Jul 2026

IndiGo lowest fare

Upto 12% off

₹11,778

10 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

<span style='font-weight: 700;'>24x7</span> customer support

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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 ₹10,757.

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 59 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 ₹15,469.

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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