While purchasing the first ticket, you can mark the Return button, or after purchasing one-way, you can re-enter the system and purchase the return tickets by examining the reverse route sign with the reverse route sign.
When you search for flights between İstanbul and Nagoya, all active companies and flight times on the date you entered are listed. You can find the cheapest flight tickets by sorting this list by price.
The most frequently used airline companies from İstanbul to Nagoya are generally
Türk Hava Yolları,
Asiana Airlines,
China Eastern Airlines,
KLM Royal Dutch Airlines,
Uzbekistan Airways,
Miat Mongolian Airlines,
Singapore Airlines,
Cathay Pacific,
Philippine Airlines,
Etihad Airways,
LOT Polish Airlines,
Qatar Airways,
Korean Air,
Finnair,
Oman Air,
Emirates,
Japan Airlines
are companies.