United Flight 1544 Deals & Information (2026/2027)

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United Flight 1544 Route Deals From $215

The cheapest prices found with in the last 7 days for return flights were $309 and $215 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $309 found 1 hour ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$316 Roundtrip, just found
$316
Roundtrip
just found
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $316 just found
Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$319 Roundtrip, found 1 hour ago
$319
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $319 found 1 hour ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$326 Roundtrip, just found
$326
Roundtrip
just found
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $326 just found
Tue, Sep 15 - Tue, Sep 22
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$334 Roundtrip, found 6 days ago
$334
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Sep 22, priced at $334 found 6 days ago
Sat, Jul 25 - Thu, Jul 30
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$339 Roundtrip, found 7 hours ago
$339
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Jul 25 from Greenville-Spartanburg Intl. to Denver Intl., returning Thu, Jul 30, priced at $339 found 7 hours ago
Sat, Sep 12 - Tue, Sep 22
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 12 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Sep 22, priced at $344 found 3 days ago
Sat, May 23 - Sat, Jun 6
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 23 from Greenville-Spartanburg Intl. to Denver Intl., returning Sat, Jun 6, priced at $347 found 1 day ago
Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $349 found 1 hour ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$352 Roundtrip, just found
$352
Roundtrip
just found
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $352 just found
Sat, Aug 15 - Sat, Sep 26
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$352 Roundtrip, found 6 days ago
$352
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 15 from Greenville-Spartanburg Intl. to Denver Intl., returning Sat, Sep 26, priced at $352 found 6 days ago
Sat, Jul 25 - Thu, Jul 30
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$353 Roundtrip, found 7 hours ago
$353
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Jul 25 from Greenville-Spartanburg Intl. to Denver Intl., returning Thu, Jul 30, priced at $353 found 7 hours ago
Fri, May 22 - Fri, May 29
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$357 Roundtrip, found 2 hours ago
$357
Roundtrip
found 2 hours ago
Select United flight, departing Fri, May 22 from Greenville-Spartanburg Intl. to Denver Intl., returning Fri, May 29, priced at $357 found 2 hours ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$362 Roundtrip, just found
$362
Roundtrip
just found
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $362 just found
Tue, Aug 11 - Sat, Aug 22
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$363 Roundtrip, found 2 days ago
$363
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Greenville-Spartanburg Intl. to Denver Intl., returning Sat, Aug 22, priced at $363 found 2 days ago
Tue, Aug 11 - Sat, Aug 22
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Greenville-Spartanburg Intl. to Denver Intl., returning Sat, Aug 22, priced at $365 found 2 days ago