United Flight 5531 Deals & Information (2025/2026)

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United Flight 5531 Route Deals From $217

The cheapest prices found with in the last 7 days for return flights were $189 and $217 for one-way flights to Blue Grass for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 6 - Mon, Jun 8
ORD
O'Hare Intl.
LEX
Blue Grass
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from O'Hare Intl. to Blue Grass, returning Mon, Jun 8, priced at $189 found 1 day ago
Thu, Nov 27 - Wed, Dec 3
ORD
O'Hare Intl.
LEX
Blue Grass
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Blue Grass, returning Wed, Dec 3, priced at $193 found 2 days ago
Sat, Jun 6 - Mon, Jun 8
ORD
O'Hare Intl.
LEX
Blue Grass
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from O'Hare Intl. to Blue Grass, returning Mon, Jun 8, priced at $194 found 1 day ago
Thu, Nov 27 - Wed, Dec 3
ORD
O'Hare Intl.
LEX
Blue Grass
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Blue Grass, returning Wed, Dec 3, priced at $198 found 2 days ago
Sat, Jun 6 - Mon, Jun 8
ORD
O'Hare Intl.
LEX
Blue Grass
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 6 from O'Hare Intl. to Blue Grass, returning Mon, Jun 8, priced at $210 found 1 day ago
Thu, Nov 27 - Wed, Dec 3
ORD
O'Hare Intl.
LEX
Blue Grass
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Blue Grass, returning Wed, Dec 3, priced at $213 found 2 days ago
Fri, Dec 5 - Sat, Dec 6
ORD
O'Hare Intl.
LEX
Blue Grass
$216 Roundtrip, found 3 days ago
$216
Roundtrip
found 3 days ago
Select United flight, departing Fri, Dec 5 from O'Hare Intl. to Blue Grass, returning Sat, Dec 6, priced at $216 found 3 days ago
Thu, Nov 27 - Wed, Dec 3
ORD
O'Hare Intl.
LEX
Blue Grass
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Blue Grass, returning Wed, Dec 3, priced at $218 found 2 days ago
Thu, Nov 20 - Sun, Nov 23
ORD
O'Hare Intl.
LEX
Blue Grass
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from O'Hare Intl. to Blue Grass, returning Sun, Nov 23, priced at $219 found 4 days ago
Fri, Jul 24 - Mon, Jul 27
ORD
O'Hare Intl.
LEX
Blue Grass
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from O'Hare Intl. to Blue Grass, returning Mon, Jul 27, priced at $222 found 1 day ago

Frequently asked questions

What route does flight number UA5531 take?
UA5531 jets between PHX and San Francisco Intl. Airport (SFO) and is a direct flight. This journey usually takes 2 hours and 2 minutes.
What terminal does UA5531 fly out of?
Travelers with a booking on flight number UA5531 from Phoenix Sky Harbor Intl. Airport to San Francisco, CA Airport (SFO-San Francisco Intl.) generally jet off from Terminal 3.
What kind of plane is on flight number UA5531?
You'll likely find yourself boarding an Embraer 175 if you're booked on flight number UA5531. This flight nearly always jets off from Sky Harbor Intl. Airport (PHX) and arrives at San Francisco, CA Airport (SFO-San Francisco Intl.).
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 UA5531 flight with Travelocity, please visit our Customer Service Portal.