Emirates has extended the suspension of its passenger services to the Iran's capital city of Tehran until July 5, citing "regional situation".
The earlier suspension for all Dubai flights to Tehran was until June 30.
In an update on its official website, the carrier said passengers "connecting through Dubai with final destinations in Iran will not be accepted for travel at their point of origin until further notice".
Meanwhile, Emirates services to Iraqi city of Baghdad will resume on July 1, and Basra flights on July 2.
Travellers are urged to check official airline channels for regular updates, the airline said, adding that it is "closely monitoring the developments".
Meanwhile, Etihad Airways has suspended flights to Israel until July 15. The carrier added that passengers "transiting through Abu Dhabi to connect to cancelled flights will not be accepted for travel from their point of origin".
In its latest travel update, flydubai said it expects to resume its full network operations from July 1, pending final assessments. The airline had earlier announced suspension of flights to Iran, Iraq, Israel, Syria and Russia's St. Petersburg until June 30.
Air Arabia has also suspended operations to Iran, Iraq, Russia, Armenia, Georgia and Azerbaijan until June 30.

UAE allocates $8 million to support Chad amid El Nino food crisis
UAE, Syrian Presidents discuss stronger economic and development ties
Sheikha Latifa honours Arab Media Award winners
H.H. Sheikh Mohammed reaffirms 'relations with Syria' during meeting with Al-Sharaa
Abu Dhabi streamlines holiday home regulatory process
Ahmad Al-Sharaa expresses confidence in Syria's revival at Arab Media Summit
Sheikh Mansour, President of Angola discuss cooperation in phone call
UAE holds military funeral for two servicemen martyred during training
