United Flight 651 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

United Flight 651 Route Deals From $218

The cheapest prices found with in the last 7 days for return flights were $189 and $218 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $189 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $249 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$259 Roundtrip, found 2 hours ago
$259
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $259 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $302 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$303 Roundtrip, found 2 hours ago
$303
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $303 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$317 Roundtrip, found 2 hours ago
$317
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $317 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$319 Roundtrip, found 2 hours ago
$319
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $319 found 2 hours ago
Tue, Jun 24 - Sat, Jun 28
JAC
Jackson Hole
DEN
Denver Intl.
$337 Roundtrip, found 5 days ago
$337
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jun 24 from Jackson Hole to Denver Intl., returning Sat, Jun 28, priced at $337 found 5 days ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$338 Roundtrip, found 2 hours ago
$338
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $338 found 2 hours ago
Thu, Sep 25 - Wed, Oct 1
JAC
Jackson Hole
DEN
Denver Intl.
$339 Roundtrip, found 2 hours ago
$339
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 25 from Jackson Hole to Denver Intl., returning Wed, Oct 1, priced at $339 found 2 hours ago

Frequently asked questions

What route does flight number UA651 take?
UA651 is used on a range of routes. Most commonly, UA651 flies straight from San Diego Intl. Airport (SAN) to San Francisco, CA Airport (SFO-San Francisco Intl.). If that's your chosen flight path, you'll be airborne for 1 hour and 31 minutes.
What terminal does UA651 fly out of?
If you're jetting off from San Diego, CA Airport (SAN-San Diego Intl.), you'll probably board the plane from Terminal 2. The most popular route for flight number UA651 is San Diego Intl. Airport (SAN) to San Francisco Airport, which is a direct flight.
What kind of plane is on flight number UA651?
UA651 is a flight number that serves several routes. If you have a ticket on the busiest route, San Diego Intl. Airport (SAN) to San Francisco Airport, there's every chance you'll be on the Airbus A319.
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 UA651 flight with Travelocity, please visit our Customer Service Portal.