Business class Washington DC to Istanbul $2140

  RESERVATIONS FOR ALL SECTORS ARE REQUIRED AT LEAST 7 DAYS
  BEFORE DEPARTURE.
  WHEN RESERVATIONS ARE MADE AT LEAST 11 DAYS BEFORE
  DEPARTURE TICKETING MUST BE COMPLETED WITHIN 3 DAYS AFTER
  RESERVATIONS ARE MADE OR AT LEAST 10 DAYS BEFORE DEPARTURE
  WHICHEVER IS EARLIER.
  OR - RESERVATIONS ARE REQUIRED FOR ALL SECTORS.
       TICKETING MUST BE COMPLETED WITHIN 1 DAY AFTER
       RESERVATIONS ARE MADE OR AT LEAST 7 DAYS BEFORE
       DEPARTURE WHICHEVER IS EARLIER.

  TRAVEL FROM TURNAROUND MUST COMMENCE NO EARLIER THAN THE
  FIRST SUN AFTER ARRIVAL AT TURNAROUND
  OR - TRAVEL FROM INBOUND TRANSATLANTIC SECTOR MUST
       COMMENCE NO EARLIER THAN 7 DAYS AFTER DEPARTURE OF
       THE OUTBOUND TRANSATLANTIC SECTOR.

  TRAVEL FROM LAST STOPOVER MUST COMMENCE NO LATER THAN
  MIDNIGHT 12 MONTHS AFTER DEPARTURE FROM FARE ORIGIN.