American Airlines Flight AA20 Deals & Information (2025/2026)

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American Airlines Flight 20 Route Deals From $563

The cheapest prices found with in the last 7 days for return flights were $815 and $563 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Fri, Oct 10
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$815 Roundtrip, found 3 days ago
$815
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 30 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Oct 10, priced at $815 found 3 days ago
Tue, Oct 21 - Thu, Nov 6
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$836 Roundtrip, found 3 days ago
$836
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 21 from Dallas-Fort Worth Intl. to Heathrow, returning Thu, Nov 6, priced at $836 found 3 days ago