United Flight AA4557 Deals & Information (2025/2026)

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United Flight 4557 Route Deals From $206

The cheapest prices found with in the last 7 days for return flights were $179 and $206 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$179 Roundtrip, just found
$179
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $179 just found
Thu, Oct 16 - Sun, Oct 19
MSN
Dane County Regional
ORD
O'Hare Intl.
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 16 from Dane County Regional to O'Hare Intl., returning Sun, Oct 19, priced at $187 found 2 days ago
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $189 just found
Thu, Oct 16 - Sun, Oct 19
MSN
Dane County Regional
ORD
O'Hare Intl.
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 16 from Dane County Regional to O'Hare Intl., returning Sun, Oct 19, priced at $215 found 2 days ago
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$237 Roundtrip, just found
$237
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $237 just found
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$239 Roundtrip, just found
$239
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $239 just found
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$243 Roundtrip, just found
$243
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $243 just found
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$247 Roundtrip, just found
$247
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $247 just found
Thu, Oct 16 - Sun, Oct 19
MSN
Dane County Regional
ORD
O'Hare Intl.
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 16 from Dane County Regional to O'Hare Intl., returning Sun, Oct 19, priced at $248 found 2 days ago
Wed, Mar 25 - Wed, Apr 1
MSN
Dane County Regional
ORD
O'Hare Intl.
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Wed, Mar 25 from Dane County Regional to O'Hare Intl., returning Wed, Apr 1, priced at $249 just found

Frequently asked questions

What route does flight number UA4557 take?
UA4557 takes 52 minutes to fly non-stop from ORD to Truax Field. We all know there's magic in the destination, but the journey is always half the fun!
What terminal does UA4557 fly out of?
You'll likely be hopping on the plane at Terminal 1 if you're traveling on flight number UA4557 direct from Chicago, IL Airport (ORD-O'Hare Intl.) to MSN.
What kind of plane is on flight number UA4557?
There's every chance you'll find yourself jumping on board a Canadair (Bombardier) Regional Jet 550 if you're booked on flight number UA4557. This flight typically sets off from O'Hare Airport and arrives at Madison, WI Airport (MSN-Dane County Regional).
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 UA4557 flight with Travelocity, please visit our Customer Service Portal.