American Airlines Flight 3437 Deals & Information (2025/2026)

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American Airlines Flight 3437 Route Deals From $184

The cheapest prices found with in the last 7 days for return flights were $211 and $184 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 11 - Sat, Sep 13
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$211 Roundtrip, found 17 hours ago
$211
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Harrisburg Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $211 found 17 hours ago
Sat, Aug 30 - Sun, Aug 31
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Harrisburg Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $247 found 1 day ago
Thu, Oct 2 - Sun, Oct 5
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 2 from Harrisburg Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $249 found 1 hour ago
Thu, Aug 14 - Mon, Aug 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$251 Roundtrip, found 15 hours ago
$251
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Harrisburg Intl. to O'Hare Intl., returning Mon, Aug 18, priced at $251 found 15 hours ago
Thu, Sep 11 - Sat, Sep 13
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$257 Roundtrip, found 17 hours ago
$257
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Harrisburg Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $257 found 17 hours ago
Thu, Oct 2 - Sun, Oct 5
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$259 Roundtrip, found 1 hour ago
$259
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 2 from Harrisburg Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $259 found 1 hour ago
Sun, Sep 7 - Tue, Sep 16
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$282 Roundtrip, found 3 hours ago
$282
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 7 from Harrisburg Intl. to O'Hare Intl., returning Tue, Sep 16, priced at $282 found 3 hours ago
Sat, Aug 30 - Sun, Aug 31
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Harrisburg Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $289 found 1 day ago
Thu, Sep 11 - Sat, Sep 13
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$291 Roundtrip, found 17 hours ago
$291
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Harrisburg Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $291 found 17 hours ago
Thu, Jul 31 - Mon, Aug 4
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jul 31 from Harrisburg Intl. to O'Hare Intl., returning Mon, Aug 4, priced at $293 found 1 day ago