I like kayak.com. They will give a comparison for almost all carriers on that route. I saw the other day that while BA was $5600 in business class DOH-JFK r/t, QR was $9300!
I like kayak.com. They will give a comparison for almost all carriers on that route. I saw the other day that while BA was $5600 in business class DOH-JFK r/t, QR was $9300!