British Airways Flight BA856 Deals & Information (2025/2026)

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British Airways Flight 856 Route Deals From $92

The cheapest prices found with in the last 7 days for return flights were $148 and $92 for one-way flights to Vaclav Havel for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 22 - Mon, Mar 24
LHR
Heathrow
PRG
Vaclav Havel
$148 Roundtrip, found 8 hours ago
$148
Roundtrip
found 8 hours ago
Select British Airways flight, departing Sat, Mar 22 from Heathrow to Vaclav Havel, returning Mon, Mar 24, priced at $148 found 8 hours ago
Tue, Apr 22 - Fri, Apr 25
LHR
Heathrow
PRG
Vaclav Havel
$148 Roundtrip, just found
$148
Roundtrip
just found
Select British Airways flight, departing Tue, Apr 22 from Heathrow to Vaclav Havel, returning Fri, Apr 25, priced at $148 just found
Wed, Apr 2 - Sat, Apr 5
LHR
Heathrow
PRG
Vaclav Havel
$149 Roundtrip, found 2 days ago
$149
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Apr 2 from Heathrow to Vaclav Havel, returning Sat, Apr 5, priced at $149 found 2 days ago
Wed, May 14 - Tue, May 20
LHR
Heathrow
PRG
Vaclav Havel
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, May 14 from Heathrow to Vaclav Havel, returning Tue, May 20, priced at $152 found 2 days ago
Tue, Sep 2 - Wed, Sep 10
LHR
Heathrow
PRG
Vaclav Havel
$154 Roundtrip, found 6 days ago
$154
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Sep 2 from Heathrow to Vaclav Havel, returning Wed, Sep 10, priced at $154 found 6 days ago
Wed, May 14 - Tue, May 20
LHR
Heathrow
PRG
Vaclav Havel
$155 Roundtrip, found 2 days ago
$155
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, May 14 from Heathrow to Vaclav Havel, returning Tue, May 20, priced at $155 found 2 days ago
Fri, Sep 19 - Tue, Sep 23
LHR
Heathrow
PRG
Vaclav Havel
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Sep 19 from Heathrow to Vaclav Havel, returning Tue, Sep 23, priced at $156 found 1 day ago
Tue, Sep 2 - Wed, Sep 10
LHR
Heathrow
PRG
Vaclav Havel
$157 Roundtrip, found 6 days ago
$157
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Sep 2 from Heathrow to Vaclav Havel, returning Wed, Sep 10, priced at $157 found 6 days ago
Thu, Jun 5 - Wed, Jun 11
LHR
Heathrow
PRG
Vaclav Havel
$158 Roundtrip, found 3 days ago
$158
Roundtrip
found 3 days ago
Select British Airways flight, departing Thu, Jun 5 from Heathrow to Vaclav Havel, returning Wed, Jun 11, priced at $158 found 3 days ago
Wed, Jul 23 - Wed, Aug 20
LHR
Heathrow
PRG
Vaclav Havel
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Jul 23 from Heathrow to Vaclav Havel, returning Wed, Aug 20, priced at $159 found 2 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.