British Airways Flight 856 Deals & Information (2025/2026)

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British Airways Flight 856 Route Deals From $56

The cheapest prices found with in the last 7 days for return flights were $113 and $56 for one-way flights to Vaclav Havel for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 9 - Wed, Oct 15
LHR
Heathrow
PRG
Vaclav Havel
$113 Roundtrip, found 23 hours ago
$113
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, Oct 9 from Heathrow to Vaclav Havel, returning Wed, Oct 15, priced at $113 found 23 hours ago
Wed, Sep 10 - Thu, Oct 9
LHR
Heathrow
PRG
Vaclav Havel
$114 Roundtrip, found 4 days ago
$114
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Sep 10 from Heathrow to Vaclav Havel, returning Thu, Oct 9, priced at $114 found 4 days ago
Thu, Oct 9 - Wed, Oct 15
LHR
Heathrow
PRG
Vaclav Havel
$117 Roundtrip, found 23 hours ago
$117
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, Oct 9 from Heathrow to Vaclav Havel, returning Wed, Oct 15, priced at $117 found 23 hours ago
Mon, Nov 3 - Thu, Nov 13
LHR
Heathrow
PRG
Vaclav Havel
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Nov 3 from Heathrow to Vaclav Havel, returning Thu, Nov 13, priced at $119 found 3 days ago
Thu, Oct 16 - Wed, Oct 22
LHR
Heathrow
PRG
Vaclav Havel
$119 Roundtrip, found 2 days ago
$119
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 16 from Heathrow to Vaclav Havel, returning Wed, Oct 22, priced at $119 found 2 days ago
Wed, Oct 15 - Fri, Oct 17
LHR
Heathrow
PRG
Vaclav Havel
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select British Airways flight, departing Wed, Oct 15 from Heathrow to Vaclav Havel, returning Fri, Oct 17, priced at $120 found 11 hours ago
Mon, Nov 3 - Thu, Nov 13
LHR
Heathrow
PRG
Vaclav Havel
$123 Roundtrip, found 3 days ago
$123
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Nov 3 from Heathrow to Vaclav Havel, returning Thu, Nov 13, priced at $123 found 3 days ago
Thu, Oct 9 - Wed, Oct 15
LHR
Heathrow
PRG
Vaclav Havel
$123 Roundtrip, found 23 hours ago
$123
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, Oct 9 from Heathrow to Vaclav Havel, returning Wed, Oct 15, priced at $123 found 23 hours ago
Sun, Oct 12 - Sat, Oct 18
LHR
Heathrow
PRG
Vaclav Havel
$124 Roundtrip, found 5 days ago
$124
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, Oct 12 from Heathrow to Vaclav Havel, returning Sat, Oct 18, priced at $124 found 5 days ago
Sun, Oct 5 - Wed, Oct 8
LHR
Heathrow
PRG
Vaclav Havel
$126 Roundtrip, found 3 days ago
$126
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Oct 5 from Heathrow to Vaclav Havel, returning Wed, Oct 8, priced at $126 found 3 days ago

Frequently asked questions

What route does flight number BA856 take?
Flight number BA856 flies non-stop from London Airport (LHR-Heathrow) to Prague Airport (PRG-Vaclav Havel). During this trip, expect to be in the air for approximately 2 hours and 5 minutes. Book ahead to get your favorite seat.
How often is BA856 on time?
If you have booked tickets with British Airways flight number BA856 between London Airport (LHR-Heathrow) and Václav Havel Airport Prague, it’s comforting to know that 100% of these flights arrive on time. In the rare event of a delay, expect an average wait time of roughly 9 minutes. This service has a 3.4-star rating.
What terminal does BA856 fly out of?
Direct flights between Heathrow Airport and Prague Airport (PRG-Vaclav Havel) are served by BA856, and passengers traveling on this route normally depart from Terminal 5.
What kind of plane is on flight number BA856?
The Airbus A320 is the type of aircraft most frequently used for flight number BA856. Usually, this flight departs from LHR and arrives at Václav Havel Airport Prague.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your BA856 flight with Travelocity, please visit our Customer Service Portal.