Hungary's Wizz Air says on its website that it will fly passengers to Milan and Barcelona on Tuesdays and Saturdays, but plans to add more flights on these routes in July.
Latvia's Air Baltic will operate flights to Dublin four and six times a week in June, and daily starting in July.
The Lithuanian government last week gave the green light for resuming regular flights to and from another six countries – Cyprus, Greece, Croatia, Italy, Spain and Ireland.
It had earlier allowed reopening regular air travel from Lithuania to France, Denmark and Finland, Germany, the Netherlands, Norway, Estonia and Latvia.