Air India Flight 173 Deals & Information (2026/2027)

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Air India Flight 173 Route Deals From $76

The cheapest prices found with in the last 7 days for return flights were $147 and $76 for one-way flights to Netaji Subhash Chandra Bose Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 18 - Wed, Jul 1
DEL
Indira Gandhi Intl.
CCU
Netaji Subhash Chandra Bose Intl.
$147 Roundtrip, found 6 days ago
$147
Roundtrip
found 6 days ago
Select Air India flight, departing Thu, Jun 18 from Indira Gandhi Intl. to Netaji Subhash Chandra Bose Intl., returning Wed, Jul 1, priced at $147 found 6 days ago
Mon, Aug 10 - Tue, Aug 18
DEL
Indira Gandhi Intl.
CCU
Netaji Subhash Chandra Bose Intl.
$149 Roundtrip, found 21 hours ago
$149
Roundtrip
found 21 hours ago
Select Air India flight, departing Mon, Aug 10 from Indira Gandhi Intl. to Netaji Subhash Chandra Bose Intl., returning Tue, Aug 18, priced at $149 found 21 hours ago
Wed, Jul 15 - Tue, Aug 4
DEL
Indira Gandhi Intl.
CCU
Netaji Subhash Chandra Bose Intl.
$149 Roundtrip, found 1 hour ago
$149
Roundtrip
found 1 hour ago
Select Air India flight, departing Wed, Jul 15 from Indira Gandhi Intl. to Netaji Subhash Chandra Bose Intl., returning Tue, Aug 4, priced at $149 found 1 hour ago
Thu, Jul 23 - Fri, Jul 24
DEL
Indira Gandhi Intl.
CCU
Netaji Subhash Chandra Bose Intl.
$151 Roundtrip, found 12 hours ago
$151
Roundtrip
found 12 hours ago
Select Air India flight, departing Thu, Jul 23 from Indira Gandhi Intl. to Netaji Subhash Chandra Bose Intl., returning Fri, Jul 24, priced at $151 found 12 hours ago

Frequently asked questions

What route does flight number AI173 take?
AI173 takes around 16 hours to jet straight from Delhi Airport to San Francisco Intl. Airport (SFO). Sure, there's magic in the destination, but getting there is half the fun!
What terminal does AI173 fly out of?
AI173 runs between Delhi Airport and SFO, and passengers booked on this flight normally board the aircraft from Terminal 3.
What kind of plane is on flight number AI173?
The route for flight number AI173 is generally Indira Gandhi Intl. Airport (DEL) to San Francisco Intl. Airport (SFO), and the Boeing 777-300ER is the type of plane you'll probably be flying on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AI173 flight with Travelocity, please visit our Customer Service Portal.