Cheap flights from Colombo to Kathmandu Valley

View AU$375 flight on Wed, 30 Jul. 2025Opens in a new window

Popular airlines from Colombo to Kathmandu Valley

  • IndiGo

    IndiGo

  • Air India

    Air India

  • Qatar Airways

    Qatar Airways

  • Singapore Airlines

    Singapore Airlines

  • Malaysia Airlines

    Malaysia Airlines

  • Thai Airways International

    Thai Airways International

  • Sri Lankan Airlines

    Sri Lankan Airlines

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Cheap Flights from Colombo (CMB) to Kathmandu Valley (KTM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Fri, 1 Aug. - Fri, 8 Aug.
CMB
Colombo
KTM
Kathmandu
AU$639 Return, found 1 day ago
AU$639
Return
found 1 day ago
Select Air India flight, departing Fri, 1 Aug. from Colombo to Kathmandu, returning Fri, 8 Aug., priced at AU$639 found 1 day ago
Air India
Fri, 1 Aug. - Fri, 8 Aug.
CMB
Colombo
KTM
Kathmandu
AU$658 Return, found 1 day ago
AU$658
Return
found 1 day ago
Select Air India flight, departing Fri, 1 Aug. from Colombo to Kathmandu, returning Fri, 8 Aug., priced at AU$658 found 1 day ago
IndiGo
Sun, 7 Sep. - Mon, 15 Sep.
CMB
Colombo
KTM
Kathmandu
AU$723 Return, found 3 days ago
AU$723
Return
found 3 days ago
Select IndiGo flight, departing Sun, 7 Sep. from Colombo to Kathmandu, returning Mon, 15 Sep., priced at AU$723 found 3 days ago
Sri Lankan Airlines
Mon, 18 Aug. - Thu, 28 Aug.
CMB
Colombo
KTM
Kathmandu
AU$935 Return, found 1 day ago
AU$935
Return
found 1 day ago
Select Sri Lankan Airlines flight, departing Mon, 18 Aug. from Colombo to Kathmandu, returning Thu, 28 Aug., priced at AU$935 found 1 day ago
Qatar Airways
Wed, 3 Dec. - Wed, 10 Dec.
CMB
Colombo
KTM
Kathmandu
AU$1,018 Return, found 5 days ago
AU$1,018
Return
found 5 days ago
Select Qatar Airways flight, departing Wed, 3 Dec. from Colombo to Kathmandu, returning Wed, 10 Dec., priced at AU$1,018 found 5 days ago
Singapore Airlines
Tue, 19 Aug. - Fri, 29 Aug.
CMB
Colombo
KTM
Kathmandu
AU$1,222 Return, found 1 day ago
AU$1,222
Return
found 1 day ago
Select Singapore Airlines flight, departing Tue, 19 Aug. from Colombo to Kathmandu, returning Fri, 29 Aug., priced at AU$1,222 found 1 day ago

Find the cheapest month to fly from Colombo (CMB) to Kathmandu (KTM)

May is typically the cheapest month to fly

From AU$617 - AU$929 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.