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 $325 and $183 for one-way flights to Blue Grass for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 12 - Sun, Dec 13
ORD
O'Hare Intl.
LEX
Blue Grass
$325 Roundtrip, found 4 days ago
$325
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 12 from O'Hare Intl. to Blue Grass, returning Sun, Dec 13, priced at $325 found 4 days ago
Sat, Nov 21 - Tue, Nov 24
ORD
O'Hare Intl.
LEX
Blue Grass
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Tue, Nov 24, priced at $334 found 4 days ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$340 Roundtrip, just found
$340
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $340 just found
Sat, Nov 21 - Tue, Nov 24
ORD
O'Hare Intl.
LEX
Blue Grass
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Tue, Nov 24, priced at $343 found 4 days ago
Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $349 found 1 day ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$382 Roundtrip, just found
$382
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $382 just found
Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$395 Roundtrip, found 1 day ago
$395
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $395 found 1 day ago
Sat, Nov 21 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$403 Roundtrip, found 4 days ago
$403
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 21 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $403 found 4 days ago
Sat, Nov 14 - Wed, Nov 18
ORD
O'Hare Intl.
LEX
Blue Grass
$417 Roundtrip, found 2 days ago
$417
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Wed, Nov 18, priced at $417 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
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$432 Roundtrip, just found
$432
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $432 just found
Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$434 Roundtrip, found 1 day ago
$434
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $434 found 1 day ago
Sat, Nov 14 - Sun, Nov 15
ORD
O'Hare Intl.
LEX
Blue Grass
$435 Roundtrip, found 1 day ago
$435
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 14 from O'Hare Intl. to Blue Grass, returning Sun, Nov 15, priced at $435 found 1 day ago
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$474 Roundtrip, just found
$474
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $474 just found
Wed, Nov 25 - Sun, Nov 29
ORD
O'Hare Intl.
LEX
Blue Grass
$519 Roundtrip, just found
$519
Roundtrip
just found
Select United flight, departing Wed, Nov 25 from O'Hare Intl. to Blue Grass, returning Sun, Nov 29, priced at $519 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.