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Calasi highlights fuel efficient flights on your favorite travel site! We identify the optimum itinerary based on a variety of factors - including price, duration and carbon emissions. If you demonstrate interest in a responsible lifestyle by riding a bike or by driving a hybrid car, we invite you to consider optimizing the way you fly too. Our free app can be installed at calasi.com. Please give us a try!

Calasi Questions

The Calasi annual revenue was $1 million in 2026.

Calasi is based in San Francisco, California.

The NAICS codes for Calasi are [481, 48111, 48, 4811].

The SIC codes for Calasi are [451, 45].

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