United Flight 4665 Deals & Information (2025/2026)

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United Flight 4665 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $209 and $224 for one-way flights to Bismarck Municipal for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Sun, Sep 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$209 Roundtrip, found 12 hours ago
$209
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Sep 25 from Denver Intl. to Bismarck Municipal, returning Sun, Sep 28, priced at $209 found 12 hours ago
Sat, Jun 28 - Wed, Jul 2
DEN
Denver Intl.
BIS
Bismarck Municipal
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 28 from Denver Intl. to Bismarck Municipal, returning Wed, Jul 2, priced at $214 found 6 days ago
Fri, Aug 1 - Mon, Aug 4
DEN
Denver Intl.
BIS
Bismarck Municipal
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 1 from Denver Intl. to Bismarck Municipal, returning Mon, Aug 4, priced at $214 found 1 day ago
Fri, Jun 20 - Mon, Jun 23
DEN
Denver Intl.
BIS
Bismarck Municipal
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jun 20 from Denver Intl. to Bismarck Municipal, returning Mon, Jun 23, priced at $234 found 6 days ago
Thu, Sep 25 - Sun, Sep 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$244 Roundtrip, found 12 hours ago
$244
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Sep 25 from Denver Intl. to Bismarck Municipal, returning Sun, Sep 28, priced at $244 found 12 hours ago
Sat, Jun 28 - Wed, Jul 2
DEN
Denver Intl.
BIS
Bismarck Municipal
$250 Roundtrip, found 6 days ago
$250
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 28 from Denver Intl. to Bismarck Municipal, returning Wed, Jul 2, priced at $250 found 6 days ago
Fri, Aug 1 - Mon, Aug 4
DEN
Denver Intl.
BIS
Bismarck Municipal
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 1 from Denver Intl. to Bismarck Municipal, returning Mon, Aug 4, priced at $250 found 1 day ago
Fri, Jun 20 - Mon, Jun 23
DEN
Denver Intl.
BIS
Bismarck Municipal
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jun 20 from Denver Intl. to Bismarck Municipal, returning Mon, Jun 23, priced at $260 found 6 days ago
Thu, Sep 25 - Sun, Sep 28
DEN
Denver Intl.
BIS
Bismarck Municipal
$269 Roundtrip, found 12 hours ago
$269
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Sep 25 from Denver Intl. to Bismarck Municipal, returning Sun, Sep 28, priced at $269 found 12 hours ago
Fri, Aug 1 - Sun, Aug 3
DEN
Denver Intl.
BIS
Bismarck Municipal
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 1 from Denver Intl. to Bismarck Municipal, returning Sun, Aug 3, priced at $276 found 1 day 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.