United Flight 5271 Deals & Information (2025/2026)

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United Flight 5271 Route Deals From $210

The cheapest prices found with in the last 7 days for return flights were $198 and $210 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 15 - Fri, Sep 26
SBP
San Luis Obispo County Regional
SFO
San Francisco Intl.
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from San Luis Obispo County Regional to San Francisco Intl., returning Fri, Sep 26, priced at $198 found 3 days ago
Fri, Sep 12 - Sun, Sep 14
SBP
San Luis Obispo County Regional
SFO
San Francisco Intl.
$259 Roundtrip, found 13 hours ago
$259
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Sep 12 from San Luis Obispo County Regional to San Francisco Intl., returning Sun, Sep 14, priced at $259 found 13 hours ago

Frequently asked questions

What route does flight number UA5271 take?
UA5271 is used on a range of routes. Most often, UA5271 flies directly from Vail, CO Airport (EGE-Eagle County Regional) to DEN. If that's your flight path, you'll be airborne for about 1 hour and 6 minutes.
What kind of plane is on flight number UA5271?
It's more than likely you'll travel aboard an Embraer 175 if you've booked a ticket on flight UA5271 from Eagle Vail Airport to Denver Intl. Airport (DEN). It's the most commonly used aircraft model on this particular 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 UA5271 flight with Travelocity, please visit our Customer Service Portal.