British Airways Flight 803 Deals & Information (2026/2027)

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British Airways Flight 803 Route Deals From $94

The cheapest prices found with in the last 7 days for return flights were $188 and $94 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 13 - Sun, Nov 15
KEF
Keflavik Intl.
LHR
Heathrow
$188 Roundtrip, found 11 hours ago
$188
Roundtrip
found 11 hours ago
Select British Airways flight, departing Fri, Nov 13 from Keflavik Intl. to Heathrow, returning Sun, Nov 15, priced at $188 found 11 hours ago
Fri, Nov 13 - Mon, Nov 30
KEF
Keflavik Intl.
LHR
Heathrow
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Nov 13 from Keflavik Intl. to Heathrow, returning Mon, Nov 30, priced at $198 found 6 days ago
Thu, Nov 26 - Mon, Nov 30
KEF
Keflavik Intl.
LHR
Heathrow
$214 Roundtrip, found 6 hours ago
$214
Roundtrip
found 6 hours ago
Select British Airways flight, departing Thu, Nov 26 from Keflavik Intl. to Heathrow, returning Mon, Nov 30, priced at $214 found 6 hours ago
Fri, Jan 8 - Sun, Jan 24
KEF
Keflavik Intl.
LHR
Heathrow
$217 Roundtrip, found 6 days ago
$217
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Jan 8 from Keflavik Intl. to Heathrow, returning Sun, Jan 24, priced at $217 found 6 days ago
Fri, Mar 12 - Tue, Mar 16
KEF
Keflavik Intl.
LHR
Heathrow
$218 Roundtrip, found 5 hours ago
$218
Roundtrip
found 5 hours ago
Select British Airways flight, departing Fri, Mar 12 from Keflavik Intl. to Heathrow, returning Tue, Mar 16, priced at $218 found 5 hours ago
Thu, Jan 21 - Wed, Jan 27
KEF
Keflavik Intl.
LHR
Heathrow
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Jan 21 from Keflavik Intl. to Heathrow, returning Wed, Jan 27, priced at $221 found 2 days ago
Fri, Nov 13 - Sun, Nov 15
KEF
Keflavik Intl.
LHR
Heathrow
$222 Roundtrip, found 11 hours ago
$222
Roundtrip
found 11 hours ago
Select British Airways flight, departing Fri, Nov 13 from Keflavik Intl. to Heathrow, returning Sun, Nov 15, priced at $222 found 11 hours ago
Thu, Nov 26 - Tue, Dec 1
KEF
Keflavik Intl.
LHR
Heathrow
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Nov 26 from Keflavik Intl. to Heathrow, returning Tue, Dec 1, priced at $222 found 1 day ago
Sat, Nov 14 - Wed, Dec 9
KEF
Keflavik Intl.
LHR
Heathrow
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select British Airways flight, departing Sat, Nov 14 from Keflavik Intl. to Heathrow, returning Wed, Dec 9, priced at $230 found 2 days ago
Fri, Nov 20 - Mon, Nov 30
KEF
Keflavik Intl.
LHR
Heathrow
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 20 from Keflavik Intl. to Heathrow, returning Mon, Nov 30, priced at $240 found 4 days ago