Delta Flight DL635 Deals & Information (2025/2026)

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Delta Flight 635 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $249 and $204 for one-way flights to Hartsfield-Jackson Atlanta Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 20 - Sat, Aug 23
SFO
San Francisco Intl.
ATL
Hartsfield-Jackson Atlanta Intl.
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 20 from San Francisco Intl. to Hartsfield-Jackson Atlanta Intl., returning Sat, Aug 23, priced at $249 found 2 hours ago

Frequently asked questions

What route does flight number DL635 take?
DL635 operates straight from JFK Airport to St. Thomas Airport (STT-Cyril E. King). During this journey, you can expect to be in the air for around 3 hours and 59 minutes. It's wise to book ahead to lock in your preferred seat.
What terminal does DL635 fly out of?
Travelers with seats booked on flight number DL635 from John F. Kennedy Intl. Airport (JFK) to St. Thomas Airport (STT-Cyril E. King) normally jet off from Terminal 4.
What kind of plane is on flight number DL635?
The route for flight number DL635 is almost always JFK to St. Thomas Airport (STT-Cyril E. King), and the Boeing 757 is the aircraft model you're likely to be flying with.
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 DL635 flight with Travelocity, please visit our Customer Service Portal.