Air India Flight 173 Deals & Information (2025/2026)

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Air India Flight 173 Route Deals From $511

The cheapest prices found with in the last 7 days for return flights were $837 and $511 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 21 - Wed, Feb 25
DEL
Indira Gandhi Intl.
SFO
San Francisco Intl.
$837 Roundtrip, found 6 days ago
$837
Roundtrip
found 6 days ago
Select Air India flight, departing Sat, Feb 21 from Indira Gandhi Intl. to San Francisco Intl., returning Wed, Feb 25, priced at $837 found 6 days ago
Tue, Mar 24 - Fri, Apr 24
DEL
Indira Gandhi Intl.
SFO
San Francisco Intl.
$866 Roundtrip, found 5 days ago
$866
Roundtrip
found 5 days ago
Select Air India flight, departing Tue, Mar 24 from Indira Gandhi Intl. to San Francisco Intl., returning Fri, Apr 24, priced at $866 found 5 days 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.