British Airways Flight 775 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

British Airways Flight 775 Route Deals From $54

The cheapest prices found with in the last 7 days for return flights were $124 and $54 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 4 - Tue, May 12
OSL
Gardermoen
LHR
Heathrow
$124 Roundtrip, found 5 days ago
$124
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, May 4 from Gardermoen to Heathrow, returning Tue, May 12, priced at $124 found 5 days ago
Mon, May 4 - Tue, May 12
OSL
Gardermoen
LHR
Heathrow
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, May 4 from Gardermoen to Heathrow, returning Tue, May 12, priced at $127 found 5 days ago
Mon, May 4 - Tue, May 12
OSL
Gardermoen
LHR
Heathrow
$129 Roundtrip, found 5 days ago
$129
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, May 4 from Gardermoen to Heathrow, returning Tue, May 12, priced at $129 found 5 days ago
Sun, Apr 19 - Tue, Apr 28
OSL
Gardermoen
LHR
Heathrow
$132 Roundtrip, found 13 hours ago
$132
Roundtrip
found 13 hours ago
Select British Airways flight, departing Sun, Apr 19 from Gardermoen to Heathrow, returning Tue, Apr 28, priced at $132 found 13 hours ago
Wed, Apr 15 - Fri, Apr 17
OSL
Gardermoen
LHR
Heathrow
$132 Roundtrip, found 2 days ago
$132
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Apr 15 from Gardermoen to Heathrow, returning Fri, Apr 17, priced at $132 found 2 days ago
Mon, Aug 10 - Fri, Aug 14
OSL
Gardermoen
LHR
Heathrow
$135 Roundtrip, found 2 days ago
$135
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Aug 10 from Gardermoen to Heathrow, returning Fri, Aug 14, priced at $135 found 2 days ago
Wed, Apr 15 - Fri, Apr 17
OSL
Gardermoen
LHR
Heathrow
$138 Roundtrip, found 2 days ago
$138
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Apr 15 from Gardermoen to Heathrow, returning Fri, Apr 17, priced at $138 found 2 days ago
Mon, Jun 8 - Tue, Jun 16
OSL
Gardermoen
LHR
Heathrow
$148 Roundtrip, found 6 days ago
$148
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Jun 8 from Gardermoen to Heathrow, returning Tue, Jun 16, priced at $148 found 6 days ago
Wed, Sep 16 - Thu, Sep 17
OSL
Gardermoen
LHR
Heathrow
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Sep 16 from Gardermoen to Heathrow, returning Thu, Sep 17, priced at $156 found 1 day ago
Wed, Aug 12 - Wed, Sep 2
OSL
Gardermoen
LHR
Heathrow
$157 Roundtrip, found 6 days ago
$157
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Aug 12 from Gardermoen to Heathrow, returning Wed, Sep 2, priced at $157 found 6 days ago