United Flight 5745 Deals & Information (2025/2026)

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United Flight 5745 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $221 and $90 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Sat, Oct 11
TUS
Tucson Intl.
DEN
Denver Intl.
$221 Roundtrip, found 20 hours ago
$221
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 8 from Tucson Intl. to Denver Intl., returning Sat, Oct 11, priced at $221 found 20 hours ago
Wed, Oct 8 - Sat, Oct 11
TUS
Tucson Intl.
DEN
Denver Intl.
$240 Roundtrip, found 20 hours ago
$240
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 8 from Tucson Intl. to Denver Intl., returning Sat, Oct 11, priced at $240 found 20 hours ago
Fri, Nov 21 - Fri, Nov 28
TUS
Tucson Intl.
DEN
Denver Intl.
$291 Roundtrip, found 11 hours ago
$291
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Nov 21 from Tucson Intl. to Denver Intl., returning Fri, Nov 28, priced at $291 found 11 hours ago

Frequently asked questions

What route does flight number UA5745 take?
You'll be landing into SFO from BOI if you're traveling on flight number UA5745. You'll be in the air for 1 hour and 49 minutes during this journey. What's more, it conveniently travels non-stop.
What kind of plane is on flight number UA5745?
You'll likely find yourself on the Embraer 175 if you're traveling on flight number UA5745. This flight almost always takes off from BOI and arrives at San Francisco Airport.
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 UA5745 flight with Travelocity, please visit our Customer Service Portal.