United Flight 4665 Deals & Information (2025/2026)

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United Flight 4665 Route Deals From $228

The cheapest prices found with in the last 7 days for return flights were $246 and $228 for one-way flights to Bismarck Municipal for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 24 - Tue, Apr 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$246 Roundtrip, found 5 hours ago
$246
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Apr 24 from Denver Intl. to Bismarck Municipal, returning Tue, Apr 28, priced at $246 found 5 hours ago
Thu, Aug 7 - Sat, Aug 9
DEN
Denver Intl.
BIS
Bismarck Municipal
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Bismarck Municipal, returning Sat, Aug 9, priced at $265 found 6 days ago
Fri, Apr 24 - Tue, Apr 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$271 Roundtrip, found 5 hours ago
$271
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Apr 24 from Denver Intl. to Bismarck Municipal, returning Tue, Apr 28, priced at $271 found 5 hours ago
Thu, Apr 23 - Mon, Apr 27
DEN
Denver Intl.
BIS
Bismarck Municipal
$281 Roundtrip, found 5 hours ago
$281
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Denver Intl. to Bismarck Municipal, returning Mon, Apr 27, priced at $281 found 5 hours ago
Thu, Aug 7 - Sat, Aug 9
DEN
Denver Intl.
BIS
Bismarck Municipal
$286 Roundtrip, found 6 days ago
$286
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Bismarck Municipal, returning Sat, Aug 9, priced at $286 found 6 days ago
Thu, Aug 7 - Sat, Aug 9
DEN
Denver Intl.
BIS
Bismarck Municipal
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Bismarck Municipal, returning Sat, Aug 9, priced at $291 found 6 days ago
Fri, Apr 24 - Tue, Apr 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$298 Roundtrip, found 5 hours ago
$298
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Apr 24 from Denver Intl. to Bismarck Municipal, returning Tue, Apr 28, priced at $298 found 5 hours ago
Fri, Apr 24 - Tue, Apr 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$308 Roundtrip, found 5 hours ago
$308
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Apr 24 from Denver Intl. to Bismarck Municipal, returning Tue, Apr 28, priced at $308 found 5 hours ago
Thu, Apr 23 - Tue, Apr 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$313 Roundtrip, found 5 hours ago
$313
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Apr 23 from Denver Intl. to Bismarck Municipal, returning Tue, Apr 28, priced at $313 found 5 hours ago
Thu, Aug 7 - Sat, Aug 9
DEN
Denver Intl.
BIS
Bismarck Municipal
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Bismarck Municipal, returning Sat, Aug 9, priced at $317 found 6 days ago

Frequently asked questions

What route does flight number UA4665 take?
UA4665 is used on multiple routes, but the most common is between Denver, CO Airport (DEN-Denver Intl.) and Bismarck, ND Airport (BIS-Bismarck Municipal). If on a direct flight, you'll stroll through arrivals in around 1 hour and 37 minutes. Multi-stop flights can also use this number, as can services on other routes.
How often is UA4665 on time?
If you're taking to the skies on United Airlines flight number UA4665 between DIA airport and Bismarck Municipal Airport (BIS), leave some buffer room in your travel plans — these flights arrive on time 73% of the time. If your departure is delayed, you're likely to wait about 39 minutes. This is the most popular route for your flight, and it has a 0.6-star rating.
What kind of plane is on flight number UA4665?
It's more than likely you'll be hopping on board the Bombardier CRJ if you're taking flight number UA4665 from DEN to Bismarck Municipal Airport. This is the most commonly used type of aircraft on this route.
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 UA4665 flight with Travelocity, please visit our Customer Service Portal.