United Flight 4550 Deals & Information (2026/2027)

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United Flight 4550 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $183 and $204 for one-way flights to Appleton Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$183 Roundtrip, found 1 day ago
$183
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $183 found 1 day ago
Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $197 found 1 day ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $199 found 4 days ago
Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $212 found 1 day ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$233 Roundtrip, found 4 days ago
$233
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $233 found 4 days ago
Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $245 found 1 day ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$247 Roundtrip, found 4 days ago
$247
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $247 found 4 days ago
Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $258 found 1 day ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $292 found 4 days ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $309 found 4 days ago
Fri, Feb 20 - Mon, Feb 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from O'Hare Intl. to Appleton Intl., returning Mon, Feb 23, priced at $312 found 4 days ago
Fri, Mar 13 - Sun, Mar 15
ORD
O'Hare Intl.
ATW
Appleton Intl.
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Appleton Intl., returning Sun, Mar 15, priced at $317 found 1 day ago

Frequently asked questions

What route does flight number UA4550 take?
UA4550 takes multiple routes. The most frequently flown is between Hilton Head Airport and Pittsburgh Airport, which is a direct flight. This flight usually takes 1 hour and 56 minutes. However, you might find other flights with this number that are multi-stop.
What kind of plane is on flight number UA4550?
If you have a seat on flight UA4550 from Hilton Head Airport to Pittsburgh Airport, you'll likely be heading off on the Canadair (Bombardier) Regional Jet 550. Flight UA4550 serves several routes, but this is the most popular one.
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 UA4550 flight with Travelocity, please visit our Customer Service Portal.