United Flight 1679 Deals & Information (2026/2027)

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United Flight 1679 Route Deals From $255

The cheapest prices found with in the last 7 days for return flights were $512 and $255 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 12 - Thu, Nov 19
SFO
San Francisco Intl.
CUN
Cancun Intl.
$512 Roundtrip, found 2 days ago
$512
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 12 from San Francisco Intl. to Cancun Intl., returning Thu, Nov 19, priced at $512 found 2 days ago
Mon, Jul 13 - Thu, Jul 16
SFO
San Francisco Intl.
CUN
Cancun Intl.
$554 Roundtrip, just found
$554
Roundtrip
just found
Select United flight, departing Mon, Jul 13 from San Francisco Intl. to Cancun Intl., returning Thu, Jul 16, priced at $554 just found

Frequently asked questions

What route does flight number UA1679 take?
UA1679 travels between San Francisco Airport and Cancun Intl. Airport (CUN) and is a direct flight. This journey usually takes 5 hours and 21 minutes.
What terminal does UA1679 fly out of?
Direct flights to and from San Francisco Airport and Cancun Airport are served by flight number UA1679, and travelers with a seat booked on this route normally take off from Terminal I.
What kind of plane is on flight number UA1679?
You'll most likely be traveling aboard the Boeing 737-900 if you're booked on flight number UA1679. Generally, this flight takes off from San Francisco, CA Airport (SFO-San Francisco Intl.) and touches down at Cancun Airport.
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 UA1679 flight with Travelocity, please visit our Customer Service Portal.