American Airlines Flight 518 Deals & Information (2025/2026)

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American Airlines Flight 518 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $139 and $80 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Tue, Oct 14
SAN
San Diego Intl.
ORD
O'Hare Intl.
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 8 from San Diego Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $139 found 3 days ago
Wed, Aug 20 - Sun, Aug 24
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 20 from McClellan-Palomar to O'Hare Intl., returning Sun, Aug 24, priced at $178 found 3 days ago
Fri, Aug 22 - Sat, Aug 23
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 22 from McClellan-Palomar to O'Hare Intl., returning Sat, Aug 23, priced at $179 found 6 days ago
Tue, Aug 12 - Thu, Aug 14
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 12 from McClellan-Palomar to O'Hare Intl., returning Thu, Aug 14, priced at $188 found 1 day ago
Wed, Nov 12 - Thu, Nov 27
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 12 from McClellan-Palomar to O'Hare Intl., returning Thu, Nov 27, priced at $189 found 4 days ago
Thu, Aug 21 - Mon, Aug 25
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 21 from McClellan-Palomar to O'Hare Intl., returning Mon, Aug 25, priced at $197 found 3 days ago
Fri, Aug 22 - Sun, Aug 24
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 22 from McClellan-Palomar to O'Hare Intl., returning Sun, Aug 24, priced at $198 found 6 days ago
Wed, Sep 17 - Fri, Sep 19
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 17 from McClellan-Palomar to O'Hare Intl., returning Fri, Sep 19, priced at $219 found 6 days ago
Wed, Sep 3 - Mon, Sep 8
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 3 from McClellan-Palomar to O'Hare Intl., returning Mon, Sep 8, priced at $220 found 2 days ago
Wed, Aug 20 - Sun, Aug 24
CLD
McClellan-Palomar
ORD
O'Hare Intl.
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 20 from McClellan-Palomar to O'Hare Intl., returning Sun, Aug 24, priced at $223 found 3 days ago