United Flight 4666 Deals & Information (2025/2026)

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United Flight 4666 Route Deals From $171

The cheapest prices found with in the last 7 days for return flights were $334 and $171 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 2 - Sat, Jul 5
ABQ
Albuquerque Intl. Sunport
ORD
O'Hare Intl.
$334 Roundtrip, found 3 days ago
$334
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 2 from Albuquerque Intl. Sunport to O'Hare Intl., returning Sat, Jul 5, priced at $334 found 3 days ago
Sat, Oct 4 - Tue, Oct 7
ABQ
Albuquerque Intl. Sunport
ORD
O'Hare Intl.
$338 Roundtrip, found 9 hours ago
$338
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Oct 4 from Albuquerque Intl. Sunport to O'Hare Intl., returning Tue, Oct 7, priced at $338 found 9 hours ago
Sat, Oct 4 - Tue, Oct 7
ABQ
Albuquerque Intl. Sunport
ORD
O'Hare Intl.
$348 Roundtrip, found 9 hours ago
$348
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Oct 4 from Albuquerque Intl. Sunport to O'Hare Intl., returning Tue, Oct 7, priced at $348 found 9 hours ago
Sat, Oct 4 - Tue, Oct 7
ABQ
Albuquerque Intl. Sunport
ORD
O'Hare Intl.
$359 Roundtrip, found 9 hours ago
$359
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Oct 4 from Albuquerque Intl. Sunport to O'Hare Intl., returning Tue, Oct 7, priced at $359 found 9 hours ago

Frequently asked questions

What route does flight number UA4666 take?
UA4666 flies direct from DFW to DIA airport in 2 hours and 13 minutes. It can sometimes take other routes though, some of which could be multi-stop flights. Keep an eye out for this when locking in your seat to avoid any mix-ups.
What terminal does UA4666 fly out of?
UA4666 flights out of Dallas-Fort Worth Intl. Airport (DFW) generally depart from Terminal E. This flight number runs on a number of different routes, but the most popular one is Dallas-Fort Worth Intl. Airport (DFW) to Denver Intl. Airport (DEN).
What kind of plane is on flight number UA4666?
There’s every chance you’ll be aboard an Embraer 175 if you’ve booked a seat from Dallas-Fort Worth Intl. Airport (DFW) to Denver Intl. Airport (DEN), one route used for flight UA4666.
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 UA4666 flight with Travelocity, please visit our Customer Service Portal.