United Flight 588 Deals & Information (2026/2027)

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United Flight 588 Route Deals From $199

The cheapest prices found with in the last 7 days for return flights were $188 and $199 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$188 Roundtrip, found 7 hours ago
$188
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $188 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$214 Roundtrip, found 7 hours ago
$214
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $214 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$230 Roundtrip, found 7 hours ago
$230
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $230 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$248 Roundtrip, found 7 hours ago
$248
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $248 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$248 Roundtrip, found 7 hours ago
$248
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $248 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$250 Roundtrip, found 7 hours ago
$250
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $250 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$256 Roundtrip, found 7 hours ago
$256
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $256 found 7 hours ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$273 Roundtrip, found 7 hours ago
$273
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $273 found 7 hours ago
Wed, Jan 21 - Sat, Jan 24
DRO
La Plata County
DEN
Denver Intl.
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from La Plata County to Denver Intl., returning Sat, Jan 24, priced at $282 found 2 days ago
Thu, Aug 13 - Wed, Aug 26
DRO
La Plata County
DEN
Denver Intl.
$282 Roundtrip, found 7 hours ago
$282
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 13 from La Plata County to Denver Intl., returning Wed, Aug 26, priced at $282 found 7 hours ago

Frequently asked questions

What route does flight number UA588 take?
UA588 flies straight between O'Hare Airport and San Francisco Intl. Airport (SFO) in approximately 4 hours and 40 minutes. It can be used on other routes though, some of which could be multi-stop journeys. Keep this in mind when booking your airfare to avoid any mix-ups.
What terminal does UA588 fly out of?
If you're jetting off from O'Hare Airport, there's a fair chance you'll board the plane from Terminal 1. The most popular route for flight number UA588 is ORD to SFO, which is a nonstop flight.
What kind of plane is on flight number UA588?
If you're taking flight UA588 from O'Hare Intl. Airport (ORD) to San Francisco, CA Airport (SFO-San Francisco Intl.), you'll most likely be cruising aboard the Boeing 737-900. This flight number serves numerous routes, but this is the most popular one.
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 UA588 flight with Travelocity, please visit our Customer Service Portal.