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

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British Airways Flight 856 Route Deals From $67

The cheapest prices found with in the last 7 days for return flights were $107 and $67 for one-way flights to Vaclav Havel for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 3 - Fri, Mar 6
LHR
Heathrow
PRG
Vaclav Havel
$107 Roundtrip, found 6 days ago
$107
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Mar 3 from Heathrow to Vaclav Havel, returning Fri, Mar 6, priced at $107 found 6 days ago
Wed, Mar 18 - Thu, Mar 19
LHR
Heathrow
PRG
Vaclav Havel
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Mar 18 from Heathrow to Vaclav Havel, returning Thu, Mar 19, priced at $109 found 1 hour ago
Sun, Feb 8 - Fri, Feb 13
LHR
Heathrow
PRG
Vaclav Havel
$111 Roundtrip, found 5 days ago
$111
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, Feb 8 from Heathrow to Vaclav Havel, returning Fri, Feb 13, priced at $111 found 5 days ago
Wed, Mar 18 - Thu, Mar 19
LHR
Heathrow
PRG
Vaclav Havel
$113 Roundtrip, found 1 hour ago
$113
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Mar 18 from Heathrow to Vaclav Havel, returning Thu, Mar 19, priced at $113 found 1 hour ago
Mon, Dec 29 - Thu, Jan 8
LHR
Heathrow
PRG
Vaclav Havel
$114 Roundtrip, found 5 days ago
$114
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 29 from Heathrow to Vaclav Havel, returning Thu, Jan 8, priced at $114 found 5 days ago
Wed, Mar 18 - Thu, Mar 19
LHR
Heathrow
PRG
Vaclav Havel
$115 Roundtrip, found 1 hour ago
$115
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Mar 18 from Heathrow to Vaclav Havel, returning Thu, Mar 19, priced at $115 found 1 hour ago
Mon, Dec 29 - Thu, Jan 8
LHR
Heathrow
PRG
Vaclav Havel
$118 Roundtrip, found 5 days ago
$118
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 29 from Heathrow to Vaclav Havel, returning Thu, Jan 8, priced at $118 found 5 days ago
Wed, Mar 18 - Thu, Mar 19
LHR
Heathrow
PRG
Vaclav Havel
$119 Roundtrip, found 1 hour ago
$119
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Mar 18 from Heathrow to Vaclav Havel, returning Thu, Mar 19, priced at $119 found 1 hour ago
Wed, Oct 1 - Sat, Oct 4
LHR
Heathrow
PRG
Vaclav Havel
$121 Roundtrip, found 2 days ago
$121
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 1 from Heathrow to Vaclav Havel, returning Sat, Oct 4, priced at $121 found 2 days ago
Wed, Mar 18 - Thu, Mar 19
LHR
Heathrow
PRG
Vaclav Havel
$122 Roundtrip, found 1 hour ago
$122
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Mar 18 from Heathrow to Vaclav Havel, returning Thu, Mar 19, priced at $122 found 1 hour 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.