United Flight 571 Deals & Information (2026/2027)

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United Flight 571 Route Deals From $271

The cheapest prices found with in the last 7 days for return flights were $339 and $271 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 6 - Thu, Nov 12
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select United flight, departing Fri, Nov 6 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Nov 12, priced at $339 found 5 days ago
Mon, Jun 22 - Wed, Jul 1
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$341 Roundtrip, found 4 days ago
$341
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jun 22 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Jul 1, priced at $341 found 4 days ago
Fri, Nov 6 - Thu, Nov 12
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$348 Roundtrip, found 5 days ago
$348
Roundtrip
found 5 days ago
Select United flight, departing Fri, Nov 6 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Nov 12, priced at $348 found 5 days ago
Wed, Jun 17 - Wed, Jun 24
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$361 Roundtrip, found 20 hours ago
$361
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Jun 17 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Jun 24, priced at $361 found 20 hours ago
Wed, Jun 17 - Wed, Jun 24
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$363 Roundtrip, found 20 hours ago
$363
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Jun 17 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Jun 24, priced at $363 found 20 hours ago
Sat, Jan 30 - Thu, Feb 4
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$368 Roundtrip, found 1 day ago
$368
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 30 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Feb 4, priced at $368 found 1 day ago
Wed, Jun 17 - Wed, Jun 24
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$372 Roundtrip, found 20 hours ago
$372
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Jun 17 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Jun 24, priced at $372 found 20 hours ago
Sat, Nov 7 - Thu, Nov 12
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$373 Roundtrip, found 5 days ago
$373
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 7 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Nov 12, priced at $373 found 5 days ago
Wed, Jul 8 - Tue, Jul 14
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$378 Roundtrip, just found
$378
Roundtrip
just found
Select United flight, departing Wed, Jul 8 from Newark Liberty Intl. Airport to Key West Intl., returning Tue, Jul 14, priced at $378 just found
Sat, Jan 30 - Thu, Feb 4
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$378 Roundtrip, found 1 day ago
$378
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 30 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Feb 4, priced at $378 found 1 day ago
Wed, Jul 8 - Tue, Jul 14
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$388 Roundtrip, just found
$388
Roundtrip
just found
Select United flight, departing Wed, Jul 8 from Newark Liberty Intl. Airport to Key West Intl., returning Tue, Jul 14, priced at $388 just found
Sat, Jan 30 - Thu, Feb 4
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$391 Roundtrip, found 1 day ago
$391
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 30 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Feb 4, priced at $391 found 1 day ago
Wed, Jul 8 - Tue, Jul 14
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$401 Roundtrip, just found
$401
Roundtrip
just found
Select United flight, departing Wed, Jul 8 from Newark Liberty Intl. Airport to Key West Intl., returning Tue, Jul 14, priced at $401 just found
Sat, Aug 1 - Thu, Aug 6
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$406 Roundtrip, found 1 hour ago
$406
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Aug 6, priced at $406 found 1 hour ago
Sat, Jan 30 - Thu, Feb 4
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 30 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Feb 4, priced at $416 found 1 day ago

Frequently asked questions

What route does flight number UA571 take?
UA571 flies directly from DIA airport to RAP in around 1 hour and 8 minutes. It can sometimes take other routes though, some of which could be multi-stop flights. Keep this in mind when booking your airfare to avoid any mix-ups.
What kind of plane is on flight number UA571?
It's highly likely you'll be traveling aboard the Airbus A319 if you're taking flight UA571 from Denver Intl. Airport (DEN) to RAP. This is the most commonly used aircraft model 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 UA571 flight with Travelocity, please visit our Customer Service Portal.