American Airlines Flight 78 Deals & Information (2025/2026)

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American Airlines Flight 78 Route Deals From $454

The cheapest prices found with in the last 7 days for return flights were $493 and $454 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 13 - Tue, Jan 20
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$493 Roundtrip, just found
$493
Roundtrip
just found
Select American Airlines flight, departing Tue, Jan 13 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Jan 20, priced at $493 just found
Tue, Jan 13 - Tue, Jan 20
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$498 Roundtrip, just found
$498
Roundtrip
just found
Select American Airlines flight, departing Tue, Jan 13 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Jan 20, priced at $498 just found
Mon, Feb 2 - Mon, Feb 16
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$502 Roundtrip, found 1 hour ago
$502
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Feb 2 from Dallas-Fort Worth Intl. to Heathrow, returning Mon, Feb 16, priced at $502 found 1 hour ago
Tue, Jan 13 - Tue, Jan 20
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$523 Roundtrip, just found
$523
Roundtrip
just found
Select American Airlines flight, departing Tue, Jan 13 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Jan 20, priced at $523 just found
Tue, Jan 13 - Tue, Jan 20
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$528 Roundtrip, just found
$528
Roundtrip
just found
Select American Airlines flight, departing Tue, Jan 13 from Dallas-Fort Worth Intl. to Heathrow, returning Tue, Jan 20, priced at $528 just found