American Airlines Flight 20 Deals & Information (2025/2026)

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American Airlines Flight 20 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $492 and for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 10 - Tue, Feb 17
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$492 Roundtrip, found 1 hour ago
$492
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Feb 10 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Feb 17, priced at $492 found 1 hour ago
Tue, Feb 10 - Tue, Feb 17
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$497 Roundtrip, found 1 hour ago
$497
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Feb 10 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Feb 17, priced at $497 found 1 hour ago
Tue, Apr 21 - Thu, May 7
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Apr 21 from Dallas-Fort Worth Intl. to Heathrow, returning Thu, May 7, priced at $514 found 2 days ago
Tue, Oct 21 - Tue, Oct 28
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$521 Roundtrip, found 1 hour ago
$521
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Oct 21 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Oct 28, priced at $521 found 1 hour ago