Delta Flight DL3691 Deals & Information (2025/2026)

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Delta Flight 3691 Route Deals From $187

The cheapest prices found with in the last 7 days for return flights were $318 and $187 for one-way flights to Salt Lake City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 23 - Sat, Aug 30
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 23 from Vancouver Intl. to Salt Lake City Intl., returning Sat, Aug 30, priced at $318 found 2 days ago
Wed, Aug 20 - Mon, Aug 25
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$360 Roundtrip, found 2 hours ago
$360
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 20 from Vancouver Intl. to Salt Lake City Intl., returning Mon, Aug 25, priced at $360 found 2 hours ago
Wed, Aug 20 - Mon, Aug 25
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$368 Roundtrip, found 2 hours ago
$368
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 20 from Vancouver Intl. to Salt Lake City Intl., returning Mon, Aug 25, priced at $368 found 2 hours ago
Wed, Aug 20 - Mon, Aug 25
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$371 Roundtrip, found 2 hours ago
$371
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 20 from Vancouver Intl. to Salt Lake City Intl., returning Mon, Aug 25, priced at $371 found 2 hours ago
Tue, Aug 19 - Sun, Aug 24
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$375 Roundtrip, found 2 hours ago
$375
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Aug 19 from Vancouver Intl. to Salt Lake City Intl., returning Sun, Aug 24, priced at $375 found 2 hours ago
Wed, Aug 20 - Mon, Aug 25
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$599 Roundtrip, found 2 hours ago
$599
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 20 from Vancouver Intl. to Salt Lake City Intl., returning Mon, Aug 25, priced at $599 found 2 hours ago

Frequently asked questions

What route does flight number DL3691 take?
DL3691 is used on a number of routes. Mostly, DL3691 flies directly from Seattle - Tacoma Intl. Airport (SEA) to ONT. If you have a ticket on this route, you'll be traveling for about 2 hours and 43 minutes.
How often is DL3691 on time?
Nervous about making your connecting flight? If you're taking to the skies with Delta flight number DL3691 from Sea-Tac Airport to Ontario Airport, this service runs according to schedule 91% of the time. On the rare occasion that it is delayed, the average wait time is 17 minutes. One of the numerous reasons that this trip has a 4.15-star rating.
What kind of plane is on flight number DL3691?
DL3691 is a flight number that's used on many different routes. If you have a ticket on its most popular one, Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to ONT, you'll likely be on the Embraer 175.
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 DL3691 flight with Travelocity, please visit our Customer Service Portal.