United Flight 573 Deals & Information (2026/2027)

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United Flight 573 Route Deals From $102

The cheapest prices found with in the last 7 days for return flights were $197 and $102 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 14 - Mon, Aug 17
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Fri, Aug 14 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 17, priced at $197 just found
Sat, May 16 - Sun, May 17
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$202 Roundtrip, found 22 hours ago
$202
Roundtrip
found 22 hours ago
Select United flight, departing Sat, May 16 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 17, priced at $202 found 22 hours ago
Thu, May 28 - Sun, May 31
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 28 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $207 found 1 hour ago
Fri, May 29 - Sun, May 31
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$212 Roundtrip, found 1 hour ago
$212
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 29 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $212 found 1 hour ago
Sat, May 16 - Sun, May 17
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$212 Roundtrip, found 22 hours ago
$212
Roundtrip
found 22 hours ago
Select United flight, departing Sat, May 16 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 17, priced at $212 found 22 hours ago
Thu, May 28 - Sun, May 31
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$223 Roundtrip, found 1 hour ago
$223
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 28 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $223 found 1 hour ago
Thu, May 28 - Sun, May 31
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 28 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $224 found 1 hour ago
Sat, Dec 12 - Mon, Dec 14
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$225 Roundtrip, found 7 hours ago
$225
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Dec 12 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Dec 14, priced at $225 found 7 hours ago
Wed, Sep 2 - Fri, Sep 4
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 2 from Miami Intl. to Newark Liberty Intl. Airport, returning Fri, Sep 4, priced at $226 found 1 day ago
Fri, May 29 - Sun, May 31
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 29 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $228 found 1 hour ago
Fri, Jun 19 - Mon, Jun 29
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 19 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Jun 29, priced at $232 found 1 day ago
Tue, Jul 21 - Mon, Jul 27
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$235 Roundtrip, found 5 hours ago
$235
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jul 21 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 27, priced at $235 found 5 hours ago
Fri, Oct 30 - Sun, Nov 1
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$238 Roundtrip, found 23 hours ago
$238
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Oct 30 from Miami Intl. to Newark Liberty Intl. Airport, returning Sun, Nov 1, priced at $238 found 23 hours ago
Thu, May 21 - Thu, May 28
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 21 from Miami Intl. to Newark Liberty Intl. Airport, returning Thu, May 28, priced at $240 found 1 day ago

Frequently asked questions

What route does flight number UA573 take?
UA573 takes a number of routes. The most frequently flown is between O'Hare Airport and Sky Harbor Intl. Airport (PHX), which flies direct. This service takes around 3 hours and 45 minutes. That said, there may be other flights with this number that are multi-stop.
What terminal does UA573 fly out of?
If you're heading off from O'Hare Airport, you'll probably board the plane from Terminal 1. The most traveled route for flight number UA573 is ORD to Sky Harbor Intl. Airport (PHX), which is a direct flight.
What kind of plane is on flight number UA573?
There's a strong chance you'll be on a Boeing 737-900 if you're traveling from O'Hare Airport to Phoenix Sky Harbor Intl. Airport, a popular route for flight number UA573.
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 UA573 flight with Travelocity, please visit our Customer Service Portal.