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 Yerevan, 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 Yerevan are generally
Pegasus,
Nas Air,
Aegean Airlines,
Lufthansa,
Azerbaijan Airlines,
LOT Polish Airlines,
Condor,
Arctic Circle Air,
Air France,
Air Arabia,
Qatar Airways,
Air Astana,
S7 Airlines,
Flydubai,
Middle East Airlines,
Azimuth Airlines
are companies.