American Airlines Flight 3638 Deals & Information (2025/2026)

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American Airlines Flight 3638 Route Deals From $123

The cheapest prices found with in the last 7 days for return flights were $169 and $123 for one-way flights to Miami Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 7 - Sat, Sep 13
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Sep 7 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Sat, Sep 13, priced at $169 found 3 days ago
Sat, Sep 27 - Fri, Oct 3
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$209 Roundtrip, found 4 hours ago
$209
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Fri, Oct 3, priced at $209 found 4 hours ago
Wed, Sep 3 - Mon, Sep 8
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Mon, Sep 8, priced at $211 found 1 day ago
Sat, Sep 27 - Mon, Oct 6
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$213 Roundtrip, found 4 hours ago
$213
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Mon, Oct 6, priced at $213 found 4 hours ago
Mon, Sep 15 - Sat, Sep 20
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 15 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Sat, Sep 20, priced at $220 found 2 days ago
Mon, Sep 15 - Sat, Sep 20
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 15 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Sat, Sep 20, priced at $226 found 2 days ago
Sat, Jan 17 - Sat, Jan 24
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$228 Roundtrip, found 22 hours ago
$228
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sat, Jan 17 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Sat, Jan 24, priced at $228 found 22 hours ago
Sat, Sep 27 - Fri, Oct 3
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$228 Roundtrip, found 4 hours ago
$228
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Fri, Oct 3, priced at $228 found 4 hours ago
Sat, Aug 30 - Thu, Sep 4
CVG
Cincinnati - Northern Kentucky Intl.
MIA
Miami Intl.
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Cincinnati - Northern Kentucky Intl. to Miami Intl., returning Thu, Sep 4, priced at $230 found 1 day ago

Frequently asked questions

What route does flight number AA3638 take?
You'll be touching down at Miami Intl. Airport (MIA) from Cincinnati - Northern Kentucky Intl. Airport (CVG) if you're traveling on flight number AA3638. You'll be in the air for 2 hours and 39 minutes on this trip. It's also good to note that the service conveniently travels direct.
How often is AA3638 on time?
American Airlines flight number AA3638 between CVG and Miami, FL Airport (MIA-Miami Intl.) runs according to schedule 92% of the time — so you can relax with confidence knowing that you'll reach your destination ASAP. If your journey is late, you're likely to wait 54 minutes. This route has a 2.85-star rating.
What kind of plane is on flight number AA3638?
Prepare to cruise aboard an Embraer 175 if your flight number is AA3638. Nearly all services from Cincinnati - Northern Kentucky Intl. Airport (CVG) to MIA operate using this kind of plane.
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 AA3638 flight with Travelocity, please visit our Customer Service Portal.