United Flight 5815 Deals & Information (2025/2026)

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United Flight 5815 Route Deals From $139

The cheapest prices found with in the last 7 days for return flights were $273 and $139 for one-way flights to Birmingham Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 13 - Tue, May 20
DEN
Denver Intl.
BHM
Birmingham Intl.
$273 Roundtrip, found 5 days ago
$273
Roundtrip
found 5 days ago
Select United flight, departing Tue, May 13 from Denver Intl. to Birmingham Intl., returning Tue, May 20, priced at $273 found 5 days ago
Tue, Sep 9 - Wed, Sep 10
DEN
Denver Intl.
BHM
Birmingham Intl.
$295 Roundtrip, found 1 hour ago
$295
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Denver Intl. to Birmingham Intl., returning Wed, Sep 10, priced at $295 found 1 hour ago
Tue, Sep 9 - Wed, Sep 10
DEN
Denver Intl.
BHM
Birmingham Intl.
$317 Roundtrip, found 1 hour ago
$317
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Denver Intl. to Birmingham Intl., returning Wed, Sep 10, priced at $317 found 1 hour ago
Thu, May 29 - Tue, Jun 3
DEN
Denver Intl.
BHM
Birmingham Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 29 from Denver Intl. to Birmingham Intl., returning Tue, Jun 3, priced at $323 found 1 day ago
Tue, Sep 9 - Wed, Sep 10
DEN
Denver Intl.
BHM
Birmingham Intl.
$327 Roundtrip, found 1 hour ago
$327
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Denver Intl. to Birmingham Intl., returning Wed, Sep 10, priced at $327 found 1 hour ago

Frequently asked questions

What route does flight number UA5815 take?
UA5815 takes approximately 46 minutes to fly direct from Denver, CO Airport (DEN-Denver Intl.) to Colorado Springs, CO Airport (COS). Sure, there’s magic in the destination, but half the fun is in the journey!
How often is UA5815 on time?
Around 83% of UA5815 flights arrive as scheduled — so if you’ll be up in the air between DIA airport and Colorado Springs Airport (COS), you can relax knowing that you’ll reach your destination as quickly as possible. In the rare event that this United Airlines journey runs behind time, you can expect to wait about 57 minutes. Because of the air carrier’s quality service, this route has a 1.45-star rating.
What kind of plane is on flight number UA5815?
The route for flight number UA5815 is almost always DIA airport to City of Colorado Springs Municipal Airport, and the Bombardier CRJ is the aircraft model you’ll probably be heading off on.
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 UA5815 flight with Travelocity, please visit our Customer Service Portal.