American Airlines Flight AA420 Deals & Information (2025/2026)

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American Airlines Flight 420 Route Deals From $69

The cheapest prices found with in the last 7 days for return flights were $137 and $69 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 25 - Sat, Nov 1
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$137 Roundtrip, found 19 hours ago
$137
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Nov 1, priced at $137 found 19 hours ago
Sat, Sep 13 - Mon, Sep 15
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$147 Roundtrip, found 7 hours ago
$147
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Mon, Sep 15, priced at $147 found 7 hours ago
Sat, Oct 25 - Mon, Oct 27
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 25 from Dallas-Fort Worth Intl. to Denver Intl., returning Mon, Oct 27, priced at $150 found 1 day ago
Tue, Jul 22 - Tue, Aug 5
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$155 Roundtrip, found 3 hours ago
$155
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jul 22 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Aug 5, priced at $155 found 3 hours ago

Frequently asked questions

What route does flight number AA420 take?
You'll arrive into Miami, FL Airport (MIA-Miami Intl.) from Las Americas Intl. Airport (SDQ) if you're traveling on flight number AA420. You'll be in the air for 2 hours and 18 minutes during this trip. It's also good to note that it conveniently travels non-stop.
How often is AA420 on time?
About 98% of AA420 flights head off on time --- so if you're flying between Santo Domingo Airport and Miami, FL Airport (MIA-Miami Intl.), you can rest easy knowing that you will get where you need to as quickly as possible. On the odd occasion that your American Airlines service runs behind time, you're likely to wait approximately 28 minutes. Due to the air carrier's exceptional service, this route has a 3.85-star rating.
What kind of plane is on flight number AA420?
There's every chance you'll be stepping on board the Boeing 737 MAX 8 if you're on flight AA420. This flight nearly always heads off from Las Americas Intl. Airport (SDQ) and touches down at Miami Intl. Airport (MIA).
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 AA420 flight with Travelocity, please visit our Customer Service Portal.