United Flight AS4657 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 4657 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $117 and $81 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Tue, Nov 11
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Fri, Nov 7 from Hollywood Burbank to San Francisco Intl., returning Tue, Nov 11, priced at $117 just found
Fri, Nov 7 - Tue, Nov 11
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$149 Roundtrip, just found
$149
Roundtrip
just found
Select United flight, departing Fri, Nov 7 from Hollywood Burbank to San Francisco Intl., returning Tue, Nov 11, priced at $149 just found
Wed, Oct 22 - Sun, Oct 26
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$156 Roundtrip, found 6 days ago
$156
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 22 from Hollywood Burbank to San Francisco Intl., returning Sun, Oct 26, priced at $156 found 6 days ago
Mon, Jul 28 - Fri, Aug 22
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jul 28 from Hollywood Burbank to San Francisco Intl., returning Fri, Aug 22, priced at $160 found 2 days ago
Fri, Jul 18 - Mon, Jul 21
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$161 Roundtrip, found 4 hours ago
$161
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jul 18 from Hollywood Burbank to San Francisco Intl., returning Mon, Jul 21, priced at $161 found 4 hours ago
Fri, Nov 7 - Tue, Nov 11
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$166 Roundtrip, just found
$166
Roundtrip
just found
Select United flight, departing Fri, Nov 7 from Hollywood Burbank to San Francisco Intl., returning Tue, Nov 11, priced at $166 just found
Wed, Jul 16 - Wed, Jul 23
BUR
Hollywood Burbank
SFO
San Francisco Intl.
$173 Roundtrip, found 7 hours ago
$173
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Jul 16 from Hollywood Burbank to San Francisco Intl., returning Wed, Jul 23, priced at $173 found 7 hours ago

Frequently asked questions

What route does flight number UA4657 take?
UA4657 flies directly from CPR to Denver Intl. Airport (DEN) in 1 hour and 15 minutes. It can sometimes take other routes though, some of which may be multi-stop journeys. Keep an eye out for this when locking in your seat to avoid any confusion.
How often is UA4657 on time?
Not fussed on waiting around at the airport? If you're taking to the skies with United Airlines flight number UA4657 from CPR to DEN, this service runs as scheduled 87% of the time. On the rare instance it is delayed, the average time you'll wait is 19 minutes. One of the many reasons that this trip has a 3.1-star rating.
What kind of plane is on flight number UA4657?
If you're taking flight UA4657 from Casper Airport to Denver Intl. Airport (DEN), you'll most likely be aboard the Bombardier CRJ. This flight number serves a number of different routes, but this is the most popular one.
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 UA4657 flight with Travelocity, please visit our Customer Service Portal.