United Flight 324 Deals & Information (2025/2026)

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United Flight 324 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $117 and $59 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 11 - Sat, Nov 15
BOI
Boise
SFO
San Francisco Intl.
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 11 from Boise to San Francisco Intl., returning Sat, Nov 15, priced at $117 found 3 days ago
Sat, Jan 10 - Sat, Jan 17
BOI
Boise
SFO
San Francisco Intl.
$132 Roundtrip, found 16 hours ago
$132
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Jan 10 from Boise to San Francisco Intl., returning Sat, Jan 17, priced at $132 found 16 hours ago
Sat, Sep 27 - Thu, Oct 2
BOI
Boise
SFO
San Francisco Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 27 from Boise to San Francisco Intl., returning Thu, Oct 2, priced at $139 found 1 day ago
Sat, Jan 10 - Sat, Jan 17
BOI
Boise
SFO
San Francisco Intl.
$144 Roundtrip, found 16 hours ago
$144
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Jan 10 from Boise to San Francisco Intl., returning Sat, Jan 17, priced at $144 found 16 hours ago
Tue, Oct 7 - Sat, Oct 11
BOI
Boise
SFO
San Francisco Intl.
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Boise to San Francisco Intl., returning Sat, Oct 11, priced at $146 found 3 days ago
Sat, Jan 10 - Sat, Jan 17
BOI
Boise
SFO
San Francisco Intl.
$146 Roundtrip, found 16 hours ago
$146
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Jan 10 from Boise to San Francisco Intl., returning Sat, Jan 17, priced at $146 found 16 hours ago
Sat, Jan 10 - Sat, Jan 17
BOI
Boise
SFO
San Francisco Intl.
$151 Roundtrip, found 16 hours ago
$151
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Jan 10 from Boise to San Francisco Intl., returning Sat, Jan 17, priced at $151 found 16 hours ago
Sat, Oct 4 - Sat, Oct 11
BOI
Boise
SFO
San Francisco Intl.
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 4 from Boise to San Francisco Intl., returning Sat, Oct 11, priced at $159 found 5 days ago
Fri, Oct 10 - Mon, Oct 13
BOI
Boise
SFO
San Francisco Intl.
$160 Roundtrip, found 3 days ago
$160
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 10 from Boise to San Francisco Intl., returning Mon, Oct 13, priced at $160 found 3 days ago
Sat, Sep 27 - Sat, Oct 4
BOI
Boise
SFO
San Francisco Intl.
$164 Roundtrip, found 2 days ago
$164
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Boise to San Francisco Intl., returning Sat, Oct 4, priced at $164 found 2 days ago

Frequently asked questions

What route does flight number UA324 take?
UA324 serves multiple routes, but the most common is between Denver Intl. Airport (DEN) and Sioux Falls, SD Airport (FSD-Sioux Falls Regional). If you're lucky enough to score a direct flight, you'll step off the plane in about 1 hour and 26 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What kind of plane is on flight number UA324?
You'll probably be traveling aboard the Airbus A320 if you've booked a fare on flight UA324 from DIA airport to Sioux Falls Regional Airport (FSD). It's the most commonly used type of aircraft 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 UA324 flight with Travelocity, please visit our Customer Service Portal.