Go through your results for flights to Davao in Philippines with Netflights. Although Philippine Airlines usually has the best prices, it's best to double check what's available for your travel dates.
If you don’t have set dates for when you want to fly to Davao, try searching by month – that way, you can compare airfares throughout the year.
But if you're struggling to find flights to Davao that work for you, try looking at other airports in Philippines.
You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.