An initial six flights a week will serve the Iran capital four years after the service was suspended during political instability.
British Airways has resumed direct flights to Iran after a nearly four year suspension following the lifting of sanctions on the country.
Describing Tehran as "an important destination" for the airline, BA will operate six return flights per week between London Heathrow and the Iranian capital, rising to a daily service later this year.
The service was suspended in October 2012 amid instability in the Middle Eastern country.
In January, sanctions were lifted against Iran after the international nuclear watchdog said the Tehran government had met all its obligations under a deal with six world powers.
At the time, then-foreign secretary Philip Hammond said that British companies should take advantage of the new opportunity as relations with Iran thawed.
The first BA flight to Iran, a Boeing 777, will depart from Heathrow on Thursday at 9.10pm.
Flights had been expected to resume in July, but...Read more...