United Flight AA450 Deals & Information (2025/2026)

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United Flight 450 Route Deals From $124

The cheapest prices found with in the last 7 days for return flights were $153 and $124 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 16 - Tue, Apr 22
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$153 Roundtrip, found 1 hour ago
$153
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Apr 16 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Apr 22, priced at $153 found 1 hour ago
Wed, Apr 16 - Tue, Apr 22
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Apr 16 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Apr 22, priced at $177 found 1 hour 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.