Air India Flight AI173 Deals & Information (2025/2026)

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Air India Flight 173 Route Deals From $550

The cheapest prices found with in the last 7 days for return flights were $811 and $550 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Tue, Oct 28
DEL
Indira Gandhi Intl.
SFO
San Francisco Intl.
$811 Roundtrip, found 1 day ago
$811
Roundtrip
found 1 day ago
Select Air India flight, departing Tue, Oct 21 from Indira Gandhi Intl. to San Francisco Intl., returning Tue, Oct 28, priced at $811 found 1 day ago
Thu, Nov 20 - Sun, Nov 30
DEL
Indira Gandhi Intl.
SFO
San Francisco Intl.
$936 Roundtrip, found 3 days ago
$936
Roundtrip
found 3 days ago
Select Air India flight, departing Thu, Nov 20 from Indira Gandhi Intl. to San Francisco Intl., returning Sun, Nov 30, priced at $936 found 3 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.