American Airlines Flight 3748 Deals & Information (2025/2026)

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American Airlines Flight 3748 Route Deals From $176

The cheapest prices found with in the last 7 days for return flights were $214 and $176 for one-way flights to Harrisburg Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 4 - Tue, Jul 8
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$214 Roundtrip, found 5 days ago
$214
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jul 4 from O'Hare Intl. to Harrisburg Intl., returning Tue, Jul 8, priced at $214 found 5 days ago
Sat, Jul 5 - Sat, Jul 12
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$224 Roundtrip, found 15 hours ago
$224
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Jul 5 from O'Hare Intl. to Harrisburg Intl., returning Sat, Jul 12, priced at $224 found 15 hours ago
Fri, Jul 4 - Tue, Jul 8
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jul 4 from O'Hare Intl. to Harrisburg Intl., returning Tue, Jul 8, priced at $251 found 5 days ago
Fri, Jul 4 - Tue, Jul 8
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jul 4 from O'Hare Intl. to Harrisburg Intl., returning Tue, Jul 8, priced at $261 found 5 days ago
Sat, Jul 19 - Fri, Jul 25
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$264 Roundtrip, found 19 hours ago
$264
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Jul 19 from O'Hare Intl. to Harrisburg Intl., returning Fri, Jul 25, priced at $264 found 19 hours ago
Wed, Sep 10 - Sat, Sep 13
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 10 from O'Hare Intl. to Harrisburg Intl., returning Sat, Sep 13, priced at $268 found 6 days ago
Wed, Aug 13 - Sat, Aug 16
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 13 from O'Hare Intl. to Harrisburg Intl., returning Sat, Aug 16, priced at $269 found 5 days ago
Wed, Aug 13 - Sat, Aug 16
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 13 from O'Hare Intl. to Harrisburg Intl., returning Sat, Aug 16, priced at $277 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$281 Roundtrip, found 6 days ago
$281
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 10 from O'Hare Intl. to Harrisburg Intl., returning Sat, Sep 13, priced at $281 found 6 days ago
Thu, Jul 17 - Sun, Jul 20
ORD
O'Hare Intl.
MDT
Harrisburg Intl.
$295 Roundtrip, found 3 hours ago
$295
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Jul 17 from O'Hare Intl. to Harrisburg Intl., returning Sun, Jul 20, priced at $295 found 3 hours ago

Frequently asked questions

What route does flight number AA3748 take?
AA3748 takes several routes. The most popular is between MSN and Dallas-Fort Worth Intl. Airport (DFW), which is a direct flight. This flight generally takes 2 hours and 29 minutes. However, there may possibly be other flights with the same number that are multi-stop.
What kind of plane is on flight number AA3748?
Chances are you’ll be traveling aboard the Embraer 175 if you’ve booked a ticket on flight number AA3748 from Dane County Regional Airport (MSN) to Dallas-Fort Worth Intl. Airport (DFW). This is the most commonly used aircraft on this route.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA3748 flight with Travelocity, please visit our Customer Service Portal.