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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 4051 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $182 and $209 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 27 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$182 Roundtrip, found 6 hours ago
$182
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $182 found 6 hours ago
Thu, Feb 26 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$184 Roundtrip, found 6 hours ago
$184
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $184 found 6 hours ago
Fri, Feb 6 - Sun, Feb 8
MIA
Miami Intl.
EYW
Key West Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Feb 6 from Miami Intl. to Key West Intl., returning Sun, Feb 8, priced at $194 found 1 day ago
Sat, Jan 31 - Wed, Feb 4
MIA
Miami Intl.
EYW
Key West Intl.
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 31 from Miami Intl. to Key West Intl., returning Wed, Feb 4, priced at $199 found 2 days ago
Fri, Feb 27 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$232 Roundtrip, found 6 hours ago
$232
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $232 found 6 hours ago
Wed, Jan 21 - Wed, Jan 28
MIA
Miami Intl.
EYW
Key West Intl.
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jan 21 from Miami Intl. to Key West Intl., returning Wed, Jan 28, priced at $234 found 2 days ago
Thu, Feb 26 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$235 Roundtrip, found 6 hours ago
$235
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $235 found 6 hours ago
Fri, Feb 27 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$242 Roundtrip, found 6 hours ago
$242
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $242 found 6 hours ago
Thu, Feb 26 - Wed, Mar 4
MIA
Miami Intl.
EYW
Key West Intl.
$246 Roundtrip, found 6 hours ago
$246
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Miami Intl. to Key West Intl., returning Wed, Mar 4, priced at $246 found 6 hours ago
Sat, Jan 31 - Wed, Feb 4
MIA
Miami Intl.
EYW
Key West Intl.
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 31 from Miami Intl. to Key West Intl., returning Wed, Feb 4, priced at $249 found 2 days 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.