United Flight 5423 Deals & Information (2026/2027)

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United Flight 5423 Route Deals From $213

The cheapest prices found with in the last 7 days for return flights were $319 and $213 for one-way flights to Blue Grass for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 27 - Wed, Mar 3
ORD
O'Hare Intl.
LEX
Blue Grass
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 27 from O'Hare Intl. to Blue Grass, returning Wed, Mar 3, priced at $319 found 4 days ago
Sat, Dec 12 - Sun, Dec 13
ORD
O'Hare Intl.
LEX
Blue Grass
$325 Roundtrip, found 1 day ago
$325
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 12 from O'Hare Intl. to Blue Grass, returning Sun, Dec 13, priced at $325 found 1 day ago
Sat, Nov 21 - Tue, Nov 24
ORD
O'Hare Intl.
LEX
Blue Grass
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Tue, Nov 24, priced at $334 found 2 days ago
Mon, Nov 23 - Sun, Jan 3
ORD
O'Hare Intl.
LEX
Blue Grass
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 23 from O'Hare Intl. to Blue Grass, returning Sun, Jan 3, priced at $339 found 4 days ago
Fri, Nov 13 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$340 Roundtrip, found 4 days ago
$340
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 13 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $340 found 4 days ago
Sat, Nov 21 - Tue, Nov 24
ORD
O'Hare Intl.
LEX
Blue Grass
$343 Roundtrip, found 2 days ago
$343
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Tue, Nov 24, priced at $343 found 2 days ago
Fri, Nov 6 - Fri, Nov 13
ORD
O'Hare Intl.
LEX
Blue Grass
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 6 from O'Hare Intl. to Blue Grass, returning Fri, Nov 13, priced at $357 found 6 days ago
Fri, Nov 6 - Fri, Nov 13
ORD
O'Hare Intl.
LEX
Blue Grass
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 6 from O'Hare Intl. to Blue Grass, returning Fri, Nov 13, priced at $358 found 6 days ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$371 Roundtrip, found 20 hours ago
$371
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $371 found 20 hours ago
Fri, Nov 6 - Fri, Nov 13
ORD
O'Hare Intl.
LEX
Blue Grass
$373 Roundtrip, found 6 days ago
$373
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 6 from O'Hare Intl. to Blue Grass, returning Fri, Nov 13, priced at $373 found 6 days ago
Fri, Nov 20 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$380 Roundtrip, found 5 days ago
$380
Roundtrip
found 5 days ago
Select United flight, departing Fri, Nov 20 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $380 found 5 days ago
Mon, Nov 23 - Sun, Jan 3
ORD
O'Hare Intl.
LEX
Blue Grass
$383 Roundtrip, found 4 days ago
$383
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 23 from O'Hare Intl. to Blue Grass, returning Sun, Jan 3, priced at $383 found 4 days ago
Fri, Nov 13 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$386 Roundtrip, found 4 days ago
$386
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 13 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $386 found 4 days ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$391 Roundtrip, found 20 hours ago
$391
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $391 found 20 hours ago
Sat, Nov 21 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$403 Roundtrip, found 1 day ago
$403
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $403 found 1 day ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$427 Roundtrip, found 20 hours ago
$427
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $427 found 20 hours ago

Frequently asked questions

What route does flight number UA5423 take?
UA5423 is used on a range of routes. Typically, UA5423 flies directly from BFL to DEN. If you've booked a seat on this route, you'll be in the air for 2 hours and 28 minutes.
What kind of plane is on flight number UA5423?
Chances are you'll travel aboard a Bombardier CRJ if you've booked a fare on flight number UA5423 from BFL to Denver Intl. Airport (DEN). This is the most commonly used aircraft type on this popular 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 UA5423 flight with Travelocity, please visit our Customer Service Portal.