United Flight UA4421 Deals & Information (2024/2025)

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United Flight 4421 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $289 and $159 for one-way flights to Liberty Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 3 - Wed, Jun 19
BTV
Burlington Intl.
EWR
Liberty Intl.
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jun 3 from Burlington Intl. to Liberty Intl., returning Wed, Jun 19, priced at $289 found 6 days ago
Thu, Nov 21 - Tue, Nov 26
BTV
Burlington Intl.
EWR
Liberty Intl.
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 21 from Burlington Intl. to Liberty Intl., returning Tue, Nov 26, priced at $297 found 4 days ago
Fri, Jun 14 - Mon, Jun 17
BTV
Burlington Intl.
EWR
Liberty Intl.
$298 Roundtrip, found 4 days ago
$298
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jun 14 from Burlington Intl. to Liberty Intl., returning Mon, Jun 17, priced at $298 found 4 days ago
Sat, Jun 1 - Wed, Jun 5
BTV
Burlington Intl.
EWR
Liberty Intl.
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 1 from Burlington Intl. to Liberty Intl., returning Wed, Jun 5, priced at $298 found 1 day ago
Mon, Jun 3 - Wed, Jun 19
BTV
Burlington Intl.
EWR
Liberty Intl.
$301 Roundtrip, found 6 days ago
$301
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jun 3 from Burlington Intl. to Liberty Intl., returning Wed, Jun 19, priced at $301 found 6 days ago
Thu, Nov 21 - Tue, Nov 26
BTV
Burlington Intl.
EWR
Liberty Intl.
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 21 from Burlington Intl. to Liberty Intl., returning Tue, Nov 26, priced at $306 found 4 days ago
Fri, Feb 14 - Fri, Feb 21
BTV
Burlington Intl.
EWR
Liberty Intl.
$308 Roundtrip, found 5 days ago
$308
Roundtrip
found 5 days ago
Select United flight, departing Fri, Feb 14 from Burlington Intl. to Liberty Intl., returning Fri, Feb 21, priced at $308 found 5 days ago
Mon, Jun 3 - Wed, Jun 19
BTV
Burlington Intl.
EWR
Liberty Intl.
$311 Roundtrip, found 6 days ago
$311
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jun 3 from Burlington Intl. to Liberty Intl., returning Wed, Jun 19, priced at $311 found 6 days ago
Thu, Nov 21 - Tue, Nov 26
BTV
Burlington Intl.
EWR
Liberty Intl.
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 21 from Burlington Intl. to Liberty Intl., returning Tue, Nov 26, priced at $312 found 4 days ago
Sat, Jul 20 - Sun, Jul 21
BTV
Burlington Intl.
EWR
Liberty Intl.
$316 Roundtrip, found 6 days ago
$316
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 20 from Burlington Intl. to Liberty Intl., returning Sun, Jul 21, priced at $316 found 6 days ago

Frequently asked questions

What route does flight number UA4421 take?
UA4421 is used on a range of routes. Typically, UA4421 flies directly from O’Hare Intl. Airport (ORD) to Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.). If that’s your flight path, you’ll be traveling for around 2 hours and 1 minute.
What terminal does UA4421 fly out of?
You’ll most likely board the aircraft from Terminal 1 if you’re flying out of ORD. UA4421 serves a variety of routes, but the direct flight between ORD and Charlotte Airport is the most popular.
What kind of plane is on flight number UA4421?
Chances are you’ll be hopping on board a Canadair (Bombardier) Regional Jet 550 if you’re taking flight UA4421 from ORD to Charlotte-Douglas Intl. Airport (CLT). It’s the most commonly used type of aircraft on this route.
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 UA4421 flight with Travelocity, please visit our Customer Service Portal.