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

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American Airlines Flight 4051 Route Deals From $188

The cheapest prices found with in the last 7 days for return flights were $182 and $188 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 19 - Wed, Feb 25
MIA
Miami Intl.
EYW
Key West Intl.
$182 Roundtrip, found 3 days ago
$182
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 19 from Miami Intl. to Key West Intl., returning Wed, Feb 25, priced at $182 found 3 days ago
Thu, Feb 19 - Thu, Feb 26
MIA
Miami Intl.
EYW
Key West Intl.
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Feb 19 from Miami Intl. to Key West Intl., returning Thu, Feb 26, priced at $229 found 2 days ago
Fri, Feb 20 - Mon, Feb 23
MIA
Miami Intl.
EYW
Key West Intl.
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Feb 20 from Miami Intl. to Key West Intl., returning Mon, Feb 23, priced at $232 found 2 days ago
Fri, Feb 20 - Mon, Feb 23
MIA
Miami Intl.
EYW
Key West Intl.
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Feb 20 from Miami Intl. to Key West Intl., returning Mon, Feb 23, priced at $235 found 2 days ago
Fri, Feb 27 - Mon, Mar 2
MIA
Miami Intl.
EYW
Key West Intl.
$242 Roundtrip, found 5 hours ago
$242
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Miami Intl. to Key West Intl., returning Mon, Mar 2, priced at $242 found 5 hours ago
Thu, Feb 26 - Mon, Mar 2
MIA
Miami Intl.
EYW
Key West Intl.
$246 Roundtrip, found 5 hours ago
$246
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Miami Intl. to Key West Intl., returning Mon, Mar 2, priced at $246 found 5 hours ago
Sat, Feb 7 - Wed, Feb 11
MIA
Miami Intl.
EYW
Key West Intl.
$269 Roundtrip, found 5 hours ago
$269
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Miami Intl. to Key West Intl., returning Wed, Feb 11, priced at $269 found 5 hours ago
Thu, Feb 19 - Wed, Feb 25
MIA
Miami Intl.
EYW
Key West Intl.
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 19 from Miami Intl. to Key West Intl., returning Wed, Feb 25, priced at $278 found 3 days ago
Thu, Feb 19 - Thu, Feb 26
MIA
Miami Intl.
EYW
Key West Intl.
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Feb 19 from Miami Intl. to Key West Intl., returning Thu, Feb 26, priced at $279 found 2 days ago
Thu, Feb 19 - Thu, Feb 26
MIA
Miami Intl.
EYW
Key West Intl.
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Feb 19 from Miami Intl. to Key West Intl., returning Thu, Feb 26, priced at $283 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.