United Flight UA548 Deals & Information (2025/2026)

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United Flight 548 Route Deals From $138

The cheapest prices found with in the last 7 days for return flights were $199 and $138 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 8 - Sat, May 10
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 8 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 10, priced at $199 found 1 hour ago
Thu, May 8 - Sat, May 10
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 8 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 10, priced at $209 found 1 hour ago
Sun, May 11 - Sat, Jun 7
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$230 Roundtrip, found 4 hours ago
$230
Roundtrip
found 4 hours ago
Select United flight, departing Sun, May 11 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, Jun 7, priced at $230 found 4 hours ago

Frequently asked questions

What route does flight number UA548 take?
UA548 flies direct between Denver Intl. Airport (DEN) and FAT in about 2 hours and 25 minutes. It can sometimes be used on other routes though, some of which may be multi-stop flights. Keep an eye out for this when locking in your seat to avoid any confusion.
What kind of plane is on flight number UA548?
There’s a good chance you’ll be setting off on an Airbus A319 if you’re jetting from DIA airport to Fresno Yosemite Intl. Airport, the most popular route for flight UA548.
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 UA548 flight with Travelocity, please visit our Customer Service Portal.