Delta Flight 709 Deals & Information (2026/2027)

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Delta Flight 709 Route Deals From $122

The cheapest prices found with in the last 7 days for return flights were $202 and $122 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Mar 16 - Tue, Mar 17
JFK
John F. Kennedy Intl.
SAN
San Diego Intl.
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Mar 16 from John F. Kennedy Intl. to San Diego Intl., returning Tue, Mar 17, priced at $202 found 2 days ago
Mon, Feb 23 - Fri, Feb 27
JFK
John F. Kennedy Intl.
SAN
San Diego Intl.
$221 Roundtrip, found 5 hours ago
$221
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Feb 23 from John F. Kennedy Intl. to San Diego Intl., returning Fri, Feb 27, priced at $221 found 5 hours ago
Mon, Feb 23 - Fri, Feb 27
JFK
John F. Kennedy Intl.
SAN
San Diego Intl.
$223 Roundtrip, found 5 hours ago
$223
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Feb 23 from John F. Kennedy Intl. to San Diego Intl., returning Fri, Feb 27, priced at $223 found 5 hours ago
Sun, May 3 - Fri, May 8
JFK
John F. Kennedy Intl.
SAN
San Diego Intl.
$231 Roundtrip, found 9 hours ago
$231
Roundtrip
found 9 hours ago
Select Delta flight, departing Sun, May 3 from John F. Kennedy Intl. to San Diego Intl., returning Fri, May 8, priced at $231 found 9 hours ago

Frequently asked questions

What route does flight number DL709 take?
Flight number DL709 takes roughly 2 hours and 21 minutes to fly directly from Logan Intl. Airport (BOS) to Detroit Metropolitan Wayne County Airport (DTW). Sure, there's magic in the destination, but the journey is always half the fun!
What terminal does DL709 fly out of?
Flights to and from BOS and Detroit Metropolitan Wayne County Airport (DTW) are served by flight number DL709, and those traveling on this flight normally take off from Terminal A.
What kind of plane is on flight number DL709?
The Airbus A319 is the kind of plane most often used for flight number DL709. This flight nearly always takes off from Boston, MA Airport (BOS-Logan Intl.) and touches down at Detroit Metropolitan Wayne County Airport (DTW).
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 DL709 flight with Travelocity, please visit our Customer Service Portal.