Delta Flight AS685 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 685 Route Deals From $173

The cheapest prices found with in the last 7 days for return flights were $257 and $173 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Wed, Sep 24
JFK
John F. Kennedy Intl.
SAN
San Diego Intl.
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 23 from John F. Kennedy Intl. to San Diego Intl., returning Wed, Sep 24, priced at $257 found 1 day ago

Frequently asked questions

What route does flight number DL685 take?
DL685 operates from Houston Airport to Salt Lake City Intl. Airport (SLC) and flies direct. This trip usually takes 3 hours and 3 minutes.
How often is DL685 on time?
Delta flight number DL685 between Houston Airport and Salt Lake City Intl. Airport (SLC) departs according to schedule 84% of the time — so you can relax with confidence knowing that you will touch down at your destination ASAP. If this flight happens to be delayed, the average wait is 1 hour and 2 minutes. This route has a 1.5-star rating.
What terminal does DL685 fly out of?
Flights between Houston, TX Airport (IAH-George Bush Intercontinental) and Salt Lake City Intl. Airport are served by flight number DL685, and travelers booked on this flight typically board from Terminal A.
What kind of plane is on flight number DL685?
The route for flight number DL685 is nearly always IAH to SLC, and the Airbus A220-100 is the type of aircraft you’re likely to be traveling on.
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 DL685 flight with Travelocity, please visit our Customer Service Portal.