American Airlines Flight 3837 Deals & Information (2026/2027)

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American Airlines Flight 3837 Route Deals From $199

The cheapest prices found with in the last 7 days for return flights were $412 and $199 for one-way flights to University Of Illinois Urbana-Champaign Williard for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$412 Roundtrip, found 1 day ago
$412
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $412 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$422 Roundtrip, found 1 day ago
$422
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $422 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$438 Roundtrip, found 1 day ago
$438
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $438 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$448 Roundtrip, found 1 day ago
$448
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $448 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $464 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$474 Roundtrip, found 1 day ago
$474
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $474 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$490 Roundtrip, found 1 day ago
$490
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $490 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$500 Roundtrip, found 1 day ago
$500
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $500 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $568 found 1 day ago
Wed, Mar 4 - Thu, Mar 5
ORD
O'Hare Intl.
CMI
University Of Illinois Urbana-Champaign Williard
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from O'Hare Intl. to University Of Illinois Urbana-Champaign Williard, returning Thu, Mar 5, priced at $578 found 1 day ago