United Flight 5521 Deals & Information (2025/2026)

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United Flight 5521 Route Deals From $226

The cheapest prices found with in the last 7 days for return flights were $186 and $226 for one-way flights to Appleton Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $186 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $220 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $221 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $226 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $232 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
ORD
O'Hare Intl.
ATW
Appleton Intl.
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from O'Hare Intl. to Appleton Intl., returning Sun, Aug 31, priced at $259 found 2 days ago

Frequently asked questions

What route does flight number UA5521 take?
You'll be arriving into Nashville, TN Airport (BNA-Nashville Intl.) from Chicago, IL Airport (ORD-O'Hare Intl.) if you're traveling on flight number UA5521. You'll be in the sky for 1 hour and 38 minutes during this trip. It's also good to note that the flight conveniently operates non-stop.
What terminal does UA5521 fly out of?
UA5521 runs between O'Hare Airport and BNA, and those taking this flight generally jet off from Terminal 2.
What kind of plane is on flight number UA5521?
The Embraer 175 is the kind of plane most often used for flight UA5521. This flight almost always sets off from O'Hare Intl. Airport (ORD) and lands at BNA.
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 UA5521 flight with Travelocity, please visit our Customer Service Portal.