American Airlines Flight 4051 Deals & Information (2026/2027)

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American Airlines Flight 4051 Route Deals From $192

The cheapest prices found with in the last 7 days for return flights were $326 and $192 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 25 - Tue, Mar 31
MIA
Miami Intl.
EYW
Key West Intl.
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 25 from Miami Intl. to Key West Intl., returning Tue, Mar 31, priced at $326 found 1 day ago
Thu, Apr 16 - Mon, Apr 20
MIA
Miami Intl.
EYW
Key West Intl.
$344 Roundtrip, found 13 hours ago
$344
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Apr 16 from Miami Intl. to Key West Intl., returning Mon, Apr 20, priced at $344 found 13 hours ago
Wed, Feb 18 - Sat, Feb 28
MIA
Miami Intl.
EYW
Key West Intl.
$362 Roundtrip, found 23 hours ago
$362
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Miami Intl. to Key West Intl., returning Sat, Feb 28, priced at $362 found 23 hours ago
Thu, Apr 16 - Mon, Apr 20
MIA
Miami Intl.
EYW
Key West Intl.
$377 Roundtrip, found 13 hours ago
$377
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Apr 16 from Miami Intl. to Key West Intl., returning Mon, Apr 20, priced at $377 found 13 hours ago
Wed, Mar 25 - Tue, Mar 31
MIA
Miami Intl.
EYW
Key West Intl.
$388 Roundtrip, found 1 day ago
$388
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 25 from Miami Intl. to Key West Intl., returning Tue, Mar 31, priced at $388 found 1 day ago
Thu, Apr 16 - Mon, Apr 20
MIA
Miami Intl.
EYW
Key West Intl.
$405 Roundtrip, found 13 hours ago
$405
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Apr 16 from Miami Intl. to Key West Intl., returning Mon, Apr 20, priced at $405 found 13 hours ago
Wed, Feb 18 - Sat, Feb 28
MIA
Miami Intl.
EYW
Key West Intl.
$414 Roundtrip, found 23 hours ago
$414
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Miami Intl. to Key West Intl., returning Sat, Feb 28, priced at $414 found 23 hours ago
Wed, Feb 18 - Sat, Feb 28
MIA
Miami Intl.
EYW
Key West Intl.
$424 Roundtrip, found 23 hours ago
$424
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Miami Intl. to Key West Intl., returning Sat, Feb 28, priced at $424 found 23 hours ago
Thu, Apr 16 - Mon, Apr 20
MIA
Miami Intl.
EYW
Key West Intl.
$427 Roundtrip, found 13 hours ago
$427
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Apr 16 from Miami Intl. to Key West Intl., returning Mon, Apr 20, priced at $427 found 13 hours ago
Mon, May 18 - Sat, May 23
MIA
Miami Intl.
EYW
Key West Intl.
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, May 18 from Miami Intl. to Key West Intl., returning Sat, May 23, priced at $429 found 1 day ago

Frequently asked questions

What route does flight number AA4051 take?
AA4051 is used on a range of routes. Mostly, AA4051 flies directly from Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) to Knoxville Airport. If you have a ticket on this route, you'll be in the air for about 2 hours and 16 minutes.
What kind of plane is on flight number AA4051?
There's a strong chance you'll be on board the Embraer 175 if you've booked a ticket from DFW Airport to TYS, the most popular route for flight AA4051.
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 AA4051 flight with Travelocity, please visit our Customer Service Portal.