Delta Flight 657 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Delta Flight 657 Route Deals From $178

The cheapest prices found with in the last 7 days for return flights were $282 and $178 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Fri, Aug 22
SLC
Salt Lake City Intl.
BOS
Logan Intl.
$282 Roundtrip, found 20 hours ago
$282
Roundtrip
found 20 hours ago
Select Delta flight, departing Tue, Aug 5 from Salt Lake City Intl. to Logan Intl., returning Fri, Aug 22, priced at $282 found 20 hours ago
Mon, Aug 4 - Thu, Aug 21
SLC
Salt Lake City Intl.
BOS
Logan Intl.
$298 Roundtrip, found 20 hours ago
$298
Roundtrip
found 20 hours ago
Select Delta flight, departing Mon, Aug 4 from Salt Lake City Intl. to Logan Intl., returning Thu, Aug 21, priced at $298 found 20 hours ago

Frequently asked questions

What route does flight number DL657 take?
DL657 is used on multiple routes, but the most common is between JFK and San Diego Intl. Airport (SAN). If your flight goes direct, you’ll touch down in approximately 6 hours and 17 minutes. Multi-stop flights can also travel under this number, as can services on other routes.
What terminal does DL657 fly out of?
You’ll most likely board the plane from Terminal 4 if you’re flying from JFK. DL657 serves several different routes, but the direct flight between John F. Kennedy Intl. Airport (JFK) and San Diego Airport is the most popular one.
What kind of plane is on flight number DL657?
DL657 is a flight number that is used on many routes. If you’re traveling on the most common route, John F. Kennedy Intl. Airport (JFK) to SAN, you’re likely to be on the Boeing 757-200.
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 DL657 flight with Travelocity, please visit our Customer Service Portal.