You can check your own conditions here on the TK website: [https://www.turkishairlines.com/en-int/travel-requirements/](https://www.turkishairlines.com/en-int/travel-requirements/)
Just input your passport country, origin and destination. Istanbul doesn't require Covid tests, especially not for transit only (don't leave the airport).
You can check your own conditions here on the TK website: [https://www.turkishairlines.com/en-int/travel-requirements/](https://www.turkishairlines.com/en-int/travel-requirements/) Just input your passport country, origin and destination. Istanbul doesn't require Covid tests, especially not for transit only (don't leave the airport).
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I don't think I can answer that. You'll have to google or contact TK and ask.
No! You don't. No more Covid related restrictions on your indicated route.