Frontier Airlines Flight WN2145 Deals & Information (2025/2026)

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Frontier Airlines Flight 2145 Route Deals From $50

The cheapest prices found with in the last 7 days for return flights were $93 and $50 for one-way flights to Harry Reid Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Sat, Oct 18
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$93 Roundtrip, found 4 hours ago
$93
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Sat, Oct 18, priced at $93 found 4 hours ago
Fri, Dec 12 - Mon, Dec 15
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 12 from O'Hare Intl. to Harry Reid Intl., returning Mon, Dec 15, priced at $97 just found
Mon, Sep 22 - Thu, Sep 25
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$99 Roundtrip, just found
$99
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Thu, Sep 25, priced at $99 just found
Mon, Sep 22 - Fri, Sep 26
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$104 Roundtrip, found 1 hour ago
$104
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Fri, Sep 26, priced at $104 found 1 hour ago
Mon, Sep 22 - Sat, Sep 27
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$114 Roundtrip, found 10 hours ago
$114
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Sat, Sep 27, priced at $114 found 10 hours ago
Sun, Sep 21 - Thu, Sep 25
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$115 Roundtrip, found 3 hours ago
$115
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Sep 21 from O'Hare Intl. to Harry Reid Intl., returning Thu, Sep 25, priced at $115 found 3 hours ago
Sun, Sep 21 - Fri, Sep 26
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$121 Roundtrip, found 4 hours ago
$121
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sun, Sep 21 from O'Hare Intl. to Harry Reid Intl., returning Fri, Sep 26, priced at $121 found 4 hours ago
Mon, Sep 22 - Sat, Sep 27
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$131 Roundtrip, found 10 hours ago
$131
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Sat, Sep 27, priced at $131 found 10 hours ago
Mon, Sep 22 - Thu, Sep 25
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$136 Roundtrip, just found
$136
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Harry Reid Intl., returning Thu, Sep 25, priced at $136 just found
Tue, Sep 16 - Thu, Sep 18
ORD
O'Hare Intl.
LAS
Harry Reid Intl.
$136 Roundtrip, found 1 hour ago
$136
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 16 from O'Hare Intl. to Harry Reid Intl., returning Thu, Sep 18, priced at $136 found 1 hour ago