United Flight 3876 Deals & Information (2025/2026)

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United Flight 3876 Route Deals From $83

The cheapest prices found with in the last 7 days for return flights were $156 and $83 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 6 - Sun, Nov 9
MCO
Orlando Intl.
DEN
Denver Intl.
$156 Roundtrip, found 4 hours ago
$156
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Nov 6 from Orlando Intl. to Denver Intl., returning Sun, Nov 9, priced at $156 found 4 hours ago
Wed, Oct 1 - Sun, Oct 5
MCO
Orlando Intl.
DEN
Denver Intl.
$165 Roundtrip, found 3 hours ago
$165
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 1 from Orlando Intl. to Denver Intl., returning Sun, Oct 5, priced at $165 found 3 hours ago
Wed, Oct 1 - Sun, Oct 5
MCO
Orlando Intl.
DEN
Denver Intl.
$170 Roundtrip, found 3 hours ago
$170
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 1 from Orlando Intl. to Denver Intl., returning Sun, Oct 5, priced at $170 found 3 hours ago
Thu, Jan 8 - Tue, Jan 13
MCO
Orlando Intl.
DEN
Denver Intl.
$181 Roundtrip, just found
$181
Roundtrip
just found
Select United flight, departing Thu, Jan 8 from Orlando Intl. to Denver Intl., returning Tue, Jan 13, priced at $181 just found

Frequently asked questions

What route does flight number UA3876 take?
UA3876 operates directly from Washington, DC Airport (IAD-Washington Dulles Intl.) to Tompkins Regional Airport (ITH). During this trip, you can expect to be in the air for 1 hour and 22 minutes. It pays to book ahead to secure your favorite seat.
What kind of plane is on flight number UA3876?
The route for UA3876 is almost always Dulles Intl. Airport to Tompkins Regional Airport (ITH), and the Bombardier CRJ is the aircraft model you're likely to be traveling 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 UA3876 flight with Travelocity, please visit our Customer Service Portal.