United Flight 4651 Deals & Information (2026/2027)

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United Flight 4651 Route Deals From $137

The cheapest prices found with in the last 7 days for return flights were $179 and $137 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 20 - Tue, Sep 1
MLI
Quad City Intl.
ORD
O'Hare Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from Quad City Intl. to O'Hare Intl., returning Tue, Sep 1, priced at $179 found 6 days ago
Sat, Dec 12 - Sun, Dec 13
MLI
Quad City Intl.
ORD
O'Hare Intl.
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 12 from Quad City Intl. to O'Hare Intl., returning Sun, Dec 13, priced at $184 found 5 days ago
Sat, Feb 28 - Thu, Mar 5
MLI
Quad City Intl.
ORD
O'Hare Intl.
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 28 from Quad City Intl. to O'Hare Intl., returning Thu, Mar 5, priced at $189 found 4 days ago
Thu, Aug 20 - Tue, Sep 1
MLI
Quad City Intl.
ORD
O'Hare Intl.
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from Quad City Intl. to O'Hare Intl., returning Tue, Sep 1, priced at $191 found 6 days ago
Sat, Dec 12 - Sun, Dec 13
MLI
Quad City Intl.
ORD
O'Hare Intl.
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 12 from Quad City Intl. to O'Hare Intl., returning Sun, Dec 13, priced at $192 found 5 days ago
Sat, Feb 28 - Thu, Mar 5
MLI
Quad City Intl.
ORD
O'Hare Intl.
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 28 from Quad City Intl. to O'Hare Intl., returning Thu, Mar 5, priced at $194 found 4 days ago
Sat, Dec 12 - Sun, Dec 13
MLI
Quad City Intl.
ORD
O'Hare Intl.
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 12 from Quad City Intl. to O'Hare Intl., returning Sun, Dec 13, priced at $196 found 5 days ago
Sat, Feb 28 - Thu, Mar 5
MLI
Quad City Intl.
ORD
O'Hare Intl.
$201 Roundtrip, found 4 days ago
$201
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 28 from Quad City Intl. to O'Hare Intl., returning Thu, Mar 5, priced at $201 found 4 days ago
Thu, Aug 20 - Tue, Sep 1
MLI
Quad City Intl.
ORD
O'Hare Intl.
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from Quad City Intl. to O'Hare Intl., returning Tue, Sep 1, priced at $203 found 6 days ago
Sat, Dec 12 - Sun, Dec 13
MLI
Quad City Intl.
ORD
O'Hare Intl.
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 12 from Quad City Intl. to O'Hare Intl., returning Sun, Dec 13, priced at $204 found 5 days ago
Sat, Dec 12 - Sun, Dec 13
MLI
Quad City Intl.
ORD
O'Hare Intl.
$209 Roundtrip, found 5 days ago
$209
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 12 from Quad City Intl. to O'Hare Intl., returning Sun, Dec 13, priced at $209 found 5 days 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.