Belavia has been accused of flying in migrants as a tactic to destabilise European countries, and the sanctions came into effect on Thursday after publication in the EU's official journal, the Reuters news agency reported.
Britain and Canada have also imposed new sanctions on Belarus, public broadcaster Polish Radio’s IAR news agency reported.
EU governments have blacklisted 17 individuals and 11 entities, targeting judges and top Belarusian officials, and the sanctions are in the form of asset freezes and travel bans, according to Reuters.
The new punitive measures also target travel agents and hotels that have been accused of helping lure in migrants to Belarus.
The decision takes the total number of Belarusian individuals under EU sanctions to 183, along with 26 entities, Reuters reported.
The EU as well as NATO and the United States have accused Belarus of flying in migrants, mainly from the Middle East, and pushing them to illegally cross the border with Poland in a "hybrid attack" on the bloc.
The sanctions on Belavia mean EU companies can no longer lease planes to the Belarusian air carrier, EU officials have been quoted as saying.
The EU earlier this year banned Belarusian planes from entering its airspace in response to the forced landing of a Ryanair flight in Minsk in May.
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Source: Reuters, IAR, PAP