United Flight 4550 Deals & Information (2025/2026)

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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 $187 and $204 for one-way flights to Appleton Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $187 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $218 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $248 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $251 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$275 Roundtrip, found 2 days ago
$275
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $275 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $279 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $288 found 2 days ago
Thu, Oct 9 - Sun, Oct 12
ORD
O'Hare Intl.
ATW
Appleton Intl.
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Sun, Oct 12, priced at $301 found 1 day ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $312 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $319 found 2 days ago
Thu, Oct 9 - Sun, Oct 12
ORD
O'Hare Intl.
ATW
Appleton Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Sun, Oct 12, priced at $323 found 1 day ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $333 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $335 found 2 days ago
Thu, Oct 9 - Sun, Oct 12
ORD
O'Hare Intl.
ATW
Appleton Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Sun, Oct 12, priced at $337 found 1 day ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $348 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $350 found 2 days ago
Thu, Oct 9 - Thu, Oct 23
ORD
O'Hare Intl.
ATW
Appleton Intl.
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Appleton Intl., returning Thu, Oct 23, priced at $364 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.