United Flight 5423 Deals & Information (2026/2027)

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United Flight 5423 Route Deals From $183

The cheapest prices found with in the last 7 days for return flights were $349 and $183 for one-way flights to Blue Grass for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $349 found 4 days ago
Fri, Nov 20 - Sun, Nov 22
ORD
O'Hare Intl.
LEX
Blue Grass
$367 Roundtrip, found 14 hours ago
$367
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Nov 20 from O'Hare Intl. to Blue Grass, returning Sun, Nov 22, priced at $367 found 14 hours ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$385 Roundtrip, just found
$385
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $385 just found
Thu, Nov 19 - Sun, Nov 22
ORD
O'Hare Intl.
LEX
Blue Grass
$390 Roundtrip, found 14 hours ago
$390
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Nov 19 from O'Hare Intl. to Blue Grass, returning Sun, Nov 22, priced at $390 found 14 hours ago
Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$395 Roundtrip, found 4 days ago
$395
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $395 found 4 days ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$396 Roundtrip, just found
$396
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $396 just found
Wed, Dec 23 - Thu, Dec 24
ORD
O'Hare Intl.
LEX
Blue Grass
$403 Roundtrip, found 1 day ago
$403
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 23 from O'Hare Intl. to Blue Grass, returning Thu, Dec 24, priced at $403 found 1 day ago
Sun, Dec 27 - Thu, Dec 31
ORD
O'Hare Intl.
LEX
Blue Grass
$425 Roundtrip, found 2 days ago
$425
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 27 from O'Hare Intl. to Blue Grass, returning Thu, Dec 31, priced at $425 found 2 days ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$427 Roundtrip, just found
$427
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $427 just found
Fri, Nov 20 - Sun, Nov 22
ORD
O'Hare Intl.
LEX
Blue Grass
$436 Roundtrip, found 14 hours ago
$436
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Nov 20 from O'Hare Intl. to Blue Grass, returning Sun, Nov 22, priced at $436 found 14 hours ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$452 Roundtrip, just found
$452
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $452 just found
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$476 Roundtrip, just found
$476
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $476 just found

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.