United Flight UA648 Deals & Information (2025/2026)

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United Flight 648 Route Deals From $132

The cheapest prices found with in the last 7 days for return flights were $237 and $132 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Tue, Sep 30
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Sep 30, priced at $237 found 1 hour ago
Wed, Sep 24 - Tue, Sep 30
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$260 Roundtrip, found 1 hour ago
$260
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Sep 30, priced at $260 found 1 hour ago
Fri, Sep 5 - Sat, Sep 13
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$269 Roundtrip, found 21 hours ago
$269
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Sep 5 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, Sep 13, priced at $269 found 21 hours ago
Wed, Sep 24 - Tue, Sep 30
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$279 Roundtrip, found 1 hour ago
$279
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Sep 30, priced at $279 found 1 hour ago
Wed, Sep 24 - Tue, Sep 30
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$284 Roundtrip, found 1 hour ago
$284
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Sep 30, priced at $284 found 1 hour ago

Frequently asked questions

What route does flight number UA648 take?
UA648 takes around 1 hour and 34 minutes to fly directly from Billings, MT Airport (BIL-Logan Intl.) to DIA airport. We all know there's magic in the destination, but the journey is always half the fun!
How often is UA648 on time?
Approximately 85% of UA648 flights run according to scheduled times — so if you're traveling between Billings, MT Airport (BIL-Logan Intl.) and DEN, you can breathe easy knowing that you'll get where you need to ASAP. If your United Airlines journey is delayed, the average wait is roughly 1 hour and 38 minutes. Thanks to the air carrier's high standard, this route has a star rating of 1.45.
What kind of plane is on flight number UA648?
You'll probably be cruising aboard the Airbus A319 if you're traveling on flight number UA648. Typically, this flight jets off from Billings, MT Airport (BIL-Logan Intl.) and lands at Denver, CO Airport (DEN-Denver Intl.).
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 UA648 flight with Travelocity, please visit our Customer Service Portal.