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

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American Airlines Flight 3437 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $245 and $214 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $245 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $249 found 1 day ago
Fri, Oct 31 - Mon, Nov 10
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$259 Roundtrip, found 19 hours ago
$259
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Harrisburg Intl. to O'Hare Intl., returning Mon, Nov 10, priced at $259 found 19 hours ago
Sat, Jul 26 - Wed, Jul 30
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jul 26 from Harrisburg Intl. to O'Hare Intl., returning Wed, Jul 30, priced at $264 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $269 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $289 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $291 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Harrisburg Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $295 found 1 day ago
Fri, Oct 31 - Mon, Nov 10
MDT
Harrisburg Intl.
ORD
O'Hare Intl.
$305 Roundtrip, found 19 hours ago
$305
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Harrisburg Intl. to O'Hare Intl., returning Mon, Nov 10, priced at $305 found 19 hours ago