United Flight 588 Deals & Information (2026/2027)

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United Flight 588 Route Deals From $203

The cheapest prices found with in the last 7 days for return flights were $169 and $203 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Mon, Jan 26
DRO
La Plata County
DEN
Denver Intl.
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from La Plata County to Denver Intl., returning Mon, Jan 26, priced at $169 found 4 days ago
Sat, Feb 7 - Mon, Feb 9
DRO
La Plata County
DEN
Denver Intl.
$173 Roundtrip, found 4 days ago
$173
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 7 from La Plata County to Denver Intl., returning Mon, Feb 9, priced at $173 found 4 days ago
Thu, Jan 22 - Mon, Jan 26
DRO
La Plata County
DEN
Denver Intl.
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from La Plata County to Denver Intl., returning Mon, Jan 26, priced at $179 found 4 days ago
Fri, Apr 3 - Sat, Apr 4
DRO
La Plata County
DEN
Denver Intl.
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 3 from La Plata County to Denver Intl., returning Sat, Apr 4, priced at $184 found 1 day ago
Thu, Jan 22 - Mon, Jan 26
DRO
La Plata County
DEN
Denver Intl.
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from La Plata County to Denver Intl., returning Mon, Jan 26, priced at $184 found 4 days ago
Fri, Feb 13 - Tue, Feb 17
DRO
La Plata County
DEN
Denver Intl.
$189 Roundtrip, found 5 days ago
$189
Roundtrip
found 5 days ago
Select United flight, departing Fri, Feb 13 from La Plata County to Denver Intl., returning Tue, Feb 17, priced at $189 found 5 days ago
Fri, Apr 3 - Sat, Apr 4
DRO
La Plata County
DEN
Denver Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 3 from La Plata County to Denver Intl., returning Sat, Apr 4, priced at $189 found 1 day ago
Fri, Apr 3 - Sat, Apr 4
DRO
La Plata County
DEN
Denver Intl.
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 3 from La Plata County to Denver Intl., returning Sat, Apr 4, priced at $199 found 1 day ago
Thu, Jan 22 - Mon, Jan 26
DRO
La Plata County
DEN
Denver Intl.
$211 Roundtrip, found 4 days ago
$211
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from La Plata County to Denver Intl., returning Mon, Jan 26, priced at $211 found 4 days ago
Thu, Jan 22 - Mon, Jan 26
DRO
La Plata County
DEN
Denver Intl.
$221 Roundtrip, found 4 days ago
$221
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from La Plata County to Denver Intl., returning Mon, Jan 26, priced at $221 found 4 days 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.