Delta Flight AS670 Deals & Information (2025/2026)

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Delta Flight 670 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $273 and $189 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 11 - Tue, Jun 17
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$273 Roundtrip, found 6 hours ago
$273
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Jun 11 from John F. Kennedy Intl. to San Francisco Intl., returning Tue, Jun 17, priced at $273 found 6 hours ago

Frequently asked questions

What route does flight number DL670 take?
DL670 takes around 5 hours and 33 minutes to jet non-stop from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC). Sure, there’s magic in the destination, but half the fun is in the journey!
What terminal does DL670 fly out of?
You’ll likely be jetting out of Terminal An if you’re booked on flight number DL670 direct from Logan Intl. Airport to Salt Lake City, UT Airport (SLC-Salt Lake City Intl.).
What kind of plane is on flight number DL670?
The Airbus A321 is the type of plane most frequently used for flight number DL670. Usually, this flight leaves from BOS and arrives at Salt Lake City Intl. Airport (SLC).
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 DL670 flight with Travelocity, please visit our Customer Service Portal.