United Flight 4651 Deals & Information (2025/2026)

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United Flight 4651 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $189 and $214 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 6 - Sat, Jun 7
DEN
Denver Intl.
BIL
Logan Intl.
$189 Roundtrip, found 19 hours ago
$189
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jun 6 from Denver Intl. to Logan Intl., returning Sat, Jun 7, priced at $189 found 19 hours ago
Fri, May 30 - Tue, Jun 3
DEN
Denver Intl.
BIL
Logan Intl.
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 30 from Denver Intl. to Logan Intl., returning Tue, Jun 3, priced at $192 found 2 days ago
Wed, Jul 2 - Mon, Jul 7
DEN
Denver Intl.
BIL
Logan Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 2 from Denver Intl. to Logan Intl., returning Mon, Jul 7, priced at $194 found 1 day ago
Sat, Jun 7 - Sun, Jun 8
DEN
Denver Intl.
BIL
Logan Intl.
$198 Roundtrip, found 19 hours ago
$198
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Jun 7 from Denver Intl. to Logan Intl., returning Sun, Jun 8, priced at $198 found 19 hours ago
Fri, Jun 6 - Sat, Jun 7
DEN
Denver Intl.
BIL
Logan Intl.
$219 Roundtrip, found 19 hours ago
$219
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jun 6 from Denver Intl. to Logan Intl., returning Sat, Jun 7, priced at $219 found 19 hours ago
Fri, May 16 - Sun, May 18
DEN
Denver Intl.
BIL
Logan Intl.
$223 Roundtrip, found 6 hours ago
$223
Roundtrip
found 6 hours ago
Select United flight, departing Fri, May 16 from Denver Intl. to Logan Intl., returning Sun, May 18, priced at $223 found 6 hours ago
Wed, Jul 2 - Mon, Jul 7
DEN
Denver Intl.
BIL
Logan Intl.
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 2 from Denver Intl. to Logan Intl., returning Mon, Jul 7, priced at $224 found 1 day ago
Sat, Jun 7 - Sun, Jun 8
DEN
Denver Intl.
BIL
Logan Intl.
$229 Roundtrip, found 19 hours ago
$229
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Jun 7 from Denver Intl. to Logan Intl., returning Sun, Jun 8, priced at $229 found 19 hours ago
Fri, May 30 - Tue, Jun 3
DEN
Denver Intl.
BIL
Logan Intl.
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 30 from Denver Intl. to Logan Intl., returning Tue, Jun 3, priced at $243 found 2 days ago
Wed, Jul 2 - Mon, Jul 7
DEN
Denver Intl.
BIL
Logan Intl.
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 2 from Denver Intl. to Logan Intl., returning Mon, Jul 7, priced at $244 found 1 day ago
Sat, Jun 7 - Sun, Jun 8
DEN
Denver Intl.
BIL
Logan Intl.
$249 Roundtrip, found 19 hours ago
$249
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Jun 7 from Denver Intl. to Logan Intl., returning Sun, Jun 8, priced at $249 found 19 hours ago
Sat, May 3 - Sun, May 4
DEN
Denver Intl.
BIL
Logan Intl.
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 3 from Denver Intl. to Logan Intl., returning Sun, May 4, priced at $252 found 1 day ago
Fri, Jul 11 - Tue, Jul 15
DEN
Denver Intl.
BIL
Logan Intl.
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Denver Intl. to Logan Intl., returning Tue, Jul 15, priced at $258 found 1 day ago
Tue, Sep 2 - Wed, Sep 10
DEN
Denver Intl.
BIL
Logan Intl.
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 2 from Denver Intl. to Logan Intl., returning Wed, Sep 10, priced at $261 found 6 days ago
Wed, Jul 2 - Mon, Jul 7
DEN
Denver Intl.
BIL
Logan Intl.
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 2 from Denver Intl. to Logan Intl., returning Mon, Jul 7, priced at $267 found 1 day ago
Fri, Jun 6 - Sat, Jun 7
DEN
Denver Intl.
BIL
Logan Intl.
$268 Roundtrip, found 19 hours ago
$268
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jun 6 from Denver Intl. to Logan Intl., returning Sat, Jun 7, priced at $268 found 19 hours ago

Frequently asked questions

What route does flight number UA4651 take?
UA4651 serves multiple routes, but the most common is between AMA and Denver, CO Airport (DEN-Denver Intl.). If your flight goes direct, you’ll stroll through arrivals in 1 hour and 24 minutes. Multi-stop flights can also travel under the same number, as can services on other routes.
What kind of plane is on flight number UA4651?
It’s likely you’ll travel aboard the Bombardier CRJ if you’ve reserved a seat on flight number UA4651 from Rick Husband Amarillo Intl. Airport (AMA) to DIA airport. This is the most commonly used aircraft type on this busy 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 UA4651 flight with Travelocity, please visit our Customer Service Portal.