United Flight 450 Deals & Information (2026/2027)

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United Flight 450 Route Deals From $125

The cheapest prices found with in the last 7 days for return flights were $179 and $125 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Fri, May 8
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$179 Roundtrip, found 21 hours ago
$179
Roundtrip
found 21 hours ago
Select United flight, departing Tue, Apr 28 from Reno-Tahoe Intl. to San Francisco Intl., returning Fri, May 8, priced at $179 found 21 hours ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$182 Roundtrip, found 2 days ago
$182
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to San Francisco Intl., returning Sat, Feb 7, priced at $182 found 2 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to San Francisco Intl., returning Sat, Feb 7, priced at $184 found 2 days ago
Wed, Feb 11 - Fri, Feb 20
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select United flight, departing Wed, Feb 11 from Reno-Tahoe Intl. to San Francisco Intl., returning Fri, Feb 20, priced at $190 found 3 days ago
Sun, Jan 18 - Sun, Jan 25
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jan 18 from Reno-Tahoe Intl. to San Francisco Intl., returning Sun, Jan 25, priced at $194 found 4 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to San Francisco Intl., returning Sat, Feb 7, priced at $197 found 2 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to San Francisco Intl., returning Sat, Feb 7, priced at $199 found 2 days ago
Sun, Jan 18 - Sun, Jan 25
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jan 18 from Reno-Tahoe Intl. to San Francisco Intl., returning Sun, Jan 25, priced at $205 found 4 days ago
Sat, Jan 31 - Sun, Feb 1
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jan 31 from Reno-Tahoe Intl. to San Francisco Intl., returning Sun, Feb 1, priced at $210 found 2 days ago
Wed, Feb 4 - Sat, Feb 7
RNO
Reno-Tahoe Intl.
SFO
San Francisco Intl.
$224 Roundtrip, found 2 days ago
$224
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Reno-Tahoe Intl. to San Francisco Intl., returning Sat, Feb 7, priced at $224 found 2 days ago

Frequently asked questions

What route does flight number UA450 take?
UA450 serves multiple routes, but the most common is between San Francisco Airport and Denver Intl. Airport (DEN). If your flight is direct, you'll disembark the plane in 2 hours and 29 minutes. Multi-stop flights can also use the same number, as can services on other routes.
What terminal does UA450 fly out of?
You'll probably board the aircraft from Terminal 3 if you're beginning your journey at San Francisco Airport. UA450 serves several routes, but the direct flight between San Francisco Airport and Denver, CO Airport (DEN-Denver Intl.) is the most popular.
What kind of plane is on flight number UA450?
If you're on flight UA450 from San Francisco Intl. Airport (SFO) to DEN, there's an excellent chance you'll be traveling on the Boeing 737-800. Flight UA450 serves a number of different routes, but this is the most popular one.
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 UA450 flight with Travelocity, please visit our Customer Service Portal.