Frontier Airlines Flight 2145 Deals & Information (2026/2027)

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Frontier Airlines Flight 2145 Route Deals From $51

The cheapest prices found with in the last 7 days for return flights were $134 and $51 for one-way flights to Harry Reid Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 2 - Tue, May 5
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 2 from O'Hare Intl. to Harry Reid Intl., returning Tue, May 5, priced at $134 found 1 hour ago
Tue, Jun 16 - Tue, Jun 23
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$142 Roundtrip, found 11 hours ago
$142
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Jun 16 from O'Hare Intl. to Harry Reid Intl., returning Tue, Jun 23, priced at $142 found 11 hours ago
Sat, May 2 - Tue, May 5
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$149 Roundtrip, found 1 hour ago
$149
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 2 from O'Hare Intl. to Harry Reid Intl., returning Tue, May 5, priced at $149 found 1 hour ago
Sat, May 2 - Sat, May 16
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$152 Roundtrip, found 12 hours ago
$152
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from O'Hare Intl. to Harry Reid Intl., returning Sat, May 16, priced at $152 found 12 hours ago
Sat, May 2 - Tue, May 5
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 2 from O'Hare Intl. to Harry Reid Intl., returning Tue, May 5, priced at $155 found 1 hour ago
Sat, May 2 - Fri, May 8
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$157 Roundtrip, found 10 hours ago
$157
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 8, priced at $157 found 10 hours ago
Mon, Apr 27 - Tue, Apr 28
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$159 Roundtrip, found 13 hours ago
$159
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Apr 27 from O'Hare Intl. to Harry Reid Intl., returning Tue, Apr 28, priced at $159 found 13 hours ago
Fri, May 8 - Wed, May 13
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$160 Roundtrip, found 8 hours ago
$160
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, May 8 from O'Hare Intl. to Harry Reid Intl., returning Wed, May 13, priced at $160 found 8 hours ago
Mon, May 4 - Sat, May 9
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$163 Roundtrip, found 6 hours ago
$163
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, May 4 from O'Hare Intl. to Harry Reid Intl., returning Sat, May 9, priced at $163 found 6 hours ago
Sun, Apr 26 - Tue, May 5
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$163 Roundtrip, found 4 days ago
$163
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Apr 26 from O'Hare Intl. to Harry Reid Intl., returning Tue, May 5, priced at $163 found 4 days ago