United Flight 5423 Deals & Information (2025/2026)

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United Flight 5423 Route Deals From $255

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

Frequently asked questions

What route does flight number UA5423 take?
UA5423 is used on a range of routes. Typically, UA5423 flies directly from BFL to DEN. If you've booked a seat on this route, you'll be in the air for 2 hours and 28 minutes.
What kind of plane is on flight number UA5423?
Chances are you'll travel aboard a Bombardier CRJ if you've booked a fare on flight number UA5423 from BFL to Denver Intl. Airport (DEN). This is the most commonly used aircraft type on this popular route.
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 UA5423 flight with Travelocity, please visit our Customer Service Portal.