Frontier Airlines Flight 2017 Deals & Information (2025/2026)

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Frontier Airlines Flight 2017 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $150 and $75 for one-way flights to Harry Reid Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 11 - Fri, Aug 15
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$150 Roundtrip, found 20 hours ago
$150
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Fri, Aug 15, priced at $150 found 20 hours ago
Sun, May 18 - Thu, May 22
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$152 Roundtrip, found 12 hours ago
$152
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sun, May 18 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Thu, May 22, priced at $152 found 12 hours ago
Mon, Jul 28 - Mon, Aug 11
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Mon, Aug 11, priced at $157 found 1 day ago
Thu, May 15 - Fri, May 16
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$158 Roundtrip, found 7 hours ago
$158
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Fri, May 16, priced at $158 found 7 hours ago
Sun, May 25 - Thu, May 29
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 25 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Thu, May 29, priced at $159 found 1 hour ago
Mon, Jun 2 - Thu, Jun 12
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Thu, Jun 12, priced at $160 found 2 days ago
Wed, May 21 - Wed, May 28
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$164 Roundtrip, found 8 hours ago
$164
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, May 21 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Wed, May 28, priced at $164 found 8 hours ago
Wed, May 28 - Fri, May 30
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$165 Roundtrip, found 8 hours ago
$165
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, May 28 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Fri, May 30, priced at $165 found 8 hours ago
Mon, Jun 2 - Wed, Jun 4
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Wed, Jun 4, priced at $174 found 1 day ago
Sun, May 25 - Tue, May 27
STL
Lambert-St. Louis Intl.
LAS
Harry Reid Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, May 25 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Tue, May 27, priced at $176 found 1 day ago