American Airlines Flight 78 Deals & Information (2026/2027)

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American Airlines Flight 78 Route Deals From $395

The cheapest prices found with in the last 7 days for return flights were $950 and $395 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 18 - Fri, Nov 27
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$950 Roundtrip, found 13 hours ago
$950
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Nov 18 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Nov 27, priced at $950 found 13 hours ago
Mon, Sep 28 - Fri, Oct 2
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$955 Roundtrip, found 2 days ago
$955
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 28 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Oct 2, priced at $955 found 2 days ago
Mon, Nov 9 - Fri, Nov 20
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$957 Roundtrip, found 13 hours ago
$957
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Nov 9 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Nov 20, priced at $957 found 13 hours ago
Mon, Sep 28 - Fri, Oct 2
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$959 Roundtrip, found 2 days ago
$959
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 28 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Oct 2, priced at $959 found 2 days ago
Wed, Nov 18 - Fri, Nov 27
DFW
Dallas-Fort Worth Intl.
LHR
Heathrow
$960 Roundtrip, found 13 hours ago
$960
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Nov 18 from Dallas-Fort Worth Intl. to Heathrow, returning Fri, Nov 27, priced at $960 found 13 hours ago