United Flight 4550 Deals & Information (2025/2026)

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United Flight 4550 Route Deals From $208

The cheapest prices found with in the last 7 days for return flights were $183 and $208 for one-way flights to Appleton Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 15 - Sun, Nov 16
ORD
O'Hare Intl.
ATW
Appleton Intl.
$183 Roundtrip, found 1 day ago
$183
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from O'Hare Intl. to Appleton Intl., returning Sun, Nov 16, priced at $183 found 1 day ago
Fri, Nov 7 - Mon, Nov 10
ORD
O'Hare Intl.
ATW
Appleton Intl.
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from O'Hare Intl. to Appleton Intl., returning Mon, Nov 10, priced at $193 found 2 days ago
Sat, Nov 15 - Sun, Nov 16
ORD
O'Hare Intl.
ATW
Appleton Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from O'Hare Intl. to Appleton Intl., returning Sun, Nov 16, priced at $194 found 1 day ago
Sat, Nov 15 - Sun, Nov 16
ORD
O'Hare Intl.
ATW
Appleton Intl.
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from O'Hare Intl. to Appleton Intl., returning Sun, Nov 16, priced at $213 found 1 day ago
Fri, Nov 7 - Mon, Nov 10
ORD
O'Hare Intl.
ATW
Appleton Intl.
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from O'Hare Intl. to Appleton Intl., returning Mon, Nov 10, priced at $254 found 2 days ago
Sat, Nov 15 - Sun, Nov 16
ORD
O'Hare Intl.
ATW
Appleton Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from O'Hare Intl. to Appleton Intl., returning Sun, Nov 16, priced at $275 found 1 day ago
Fri, Nov 7 - Mon, Nov 10
ORD
O'Hare Intl.
ATW
Appleton Intl.
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from O'Hare Intl. to Appleton Intl., returning Mon, Nov 10, priced at $286 found 2 days ago
Fri, Nov 7 - Mon, Nov 10
ORD
O'Hare Intl.
ATW
Appleton Intl.
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from O'Hare Intl. to Appleton Intl., returning Mon, Nov 10, priced at $288 found 2 days 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.