United Flight UA4166 Deals & Information (2025/2026)

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United Flight 4166 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $239 and $224 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 23 - Sat, Oct 25
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 23 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $239 found 2 days ago
Fri, Oct 17 - Mon, Oct 20
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 17 from Lehigh Valley Intl. to O'Hare Intl., returning Mon, Oct 20, priced at $250 found 2 days ago
Thu, Oct 23 - Sat, Oct 25
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 23 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $254 found 2 days ago
Sat, Dec 13 - Mon, Dec 15
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$282 Roundtrip, found 1 hour ago
$282
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Dec 13 from Lehigh Valley Intl. to O'Hare Intl., returning Mon, Dec 15, priced at $282 found 1 hour ago
Sat, Dec 13 - Mon, Dec 15
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Dec 13 from Lehigh Valley Intl. to O'Hare Intl., returning Mon, Dec 15, priced at $309 found 1 hour ago
Sat, Oct 11 - Tue, Oct 14
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$315 Roundtrip, just found
$315
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Lehigh Valley Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $315 just found
Sat, Dec 13 - Mon, Dec 15
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$352 Roundtrip, found 1 hour ago
$352
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Dec 13 from Lehigh Valley Intl. to O'Hare Intl., returning Mon, Dec 15, priced at $352 found 1 hour ago
Sat, Oct 11 - Tue, Oct 14
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$368 Roundtrip, just found
$368
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Lehigh Valley Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $368 just found
Sat, Oct 11 - Mon, Oct 13
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$374 Roundtrip, just found
$374
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Lehigh Valley Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $374 just found
Sat, Oct 11 - Tue, Oct 14
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$378 Roundtrip, just found
$378
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Lehigh Valley Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $378 just found