Delta Flight 300 Deals & Information (2025/2026)

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Delta Flight 300 Route Deals From $187

The cheapest prices found with in the last 7 days for return flights were $157 and $187 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 8 - Wed, Jul 16
ATL
Hartsfield-Jackson Atlanta Intl.
BOS
Logan Intl.
$157 Roundtrip, found 8 hours ago
$157
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Logan Intl., returning Wed, Jul 16, priced at $157 found 8 hours ago

Frequently asked questions

What route does flight number DL300 take?
Flight number DL300 operates non-stop from San Francisco Airport to John F. Kennedy Intl. Airport (JFK). During this journey, expect to be in the air for about 5 hours and 37 minutes. It’s wise to book ahead to lock in your favorite seat.
What terminal does DL300 fly out of?
You’ll likely be taking off from Terminal 2 if you’re traveling on flight number DL300 direct from SFO to New York, NY Airport (JFK-John F. Kennedy Intl.).
What kind of plane is on flight number DL300?
The route for flight number DL300 is nearly always San Francisco Airport to John F. Kennedy Intl. Airport (JFK), and the Boeing 757-200 is the aircraft model you’re likely to be traveling aboard.
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 DL300 flight with Travelocity, please visit our Customer Service Portal.