United Flight 588 Deals & Information (2025/2026)

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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 $169 and $199 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Sun, Aug 31
DRO
La Plata County
DEN
Denver Intl.
$169 Roundtrip, found 2 days ago
$169
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from La Plata County to Denver Intl., returning Sun, Aug 31, priced at $169 found 2 days ago
Thu, Aug 14 - Mon, Aug 18
DRO
La Plata County
DEN
Denver Intl.
$172 Roundtrip, found 11 hours ago
$172
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 14 from La Plata County to Denver Intl., returning Mon, Aug 18, priced at $172 found 11 hours ago
Wed, Aug 27 - Sun, Aug 31
DRO
La Plata County
DEN
Denver Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from La Plata County to Denver Intl., returning Sun, Aug 31, priced at $184 found 2 days ago
Thu, Aug 14 - Mon, Aug 18
DRO
La Plata County
DEN
Denver Intl.
$187 Roundtrip, found 11 hours ago
$187
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 14 from La Plata County to Denver Intl., returning Mon, Aug 18, priced at $187 found 11 hours ago
Fri, Jun 27 - Tue, Jul 1
DRO
La Plata County
DEN
Denver Intl.
$203 Roundtrip, just found
$203
Roundtrip
just found
Select United flight, departing Fri, Jun 27 from La Plata County to Denver Intl., returning Tue, Jul 1, priced at $203 just found
Wed, Aug 27 - Sun, Aug 31
DRO
La Plata County
DEN
Denver Intl.
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from La Plata County to Denver Intl., returning Sun, Aug 31, priced at $214 found 2 days ago
Thu, Aug 14 - Mon, Aug 18
DRO
La Plata County
DEN
Denver Intl.
$218 Roundtrip, found 11 hours ago
$218
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 14 from La Plata County to Denver Intl., returning Mon, Aug 18, priced at $218 found 11 hours ago
Wed, Aug 27 - Sun, Aug 31
DRO
La Plata County
DEN
Denver Intl.
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from La Plata County to Denver Intl., returning Sun, Aug 31, priced at $229 found 2 days ago
Fri, Jun 27 - Tue, Jul 1
DRO
La Plata County
DEN
Denver Intl.
$233 Roundtrip, just found
$233
Roundtrip
just found
Select United flight, departing Fri, Jun 27 from La Plata County to Denver Intl., returning Tue, Jul 1, priced at $233 just found
Wed, Aug 27 - Sun, Aug 31
DRO
La Plata County
DEN
Denver Intl.
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from La Plata County to Denver Intl., returning Sun, Aug 31, priced at $234 found 2 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.