You should start searching for flights leading to various websites for best fare. Try to be more flexible means search alternate airports or dates for avoiding peak traveling times therefore you save lot of dollars. You can check websites unpublished fares and hotel discounts if you are flexible with dates.
1. If you travel on international airlines, search in foreign websites to know whether airline tickets are cheaper in other currencies. Like do some money conversions and check whether credit card charges foreign transaction fees.
2. Check the destination airport where all airlines fly. There will be small airlines costs less but are not seen in big sites. Like if you fly from New York to Europe, then flying to London may cost less from there switch to low-fare airline to the destination you want.
3. Call travel agents who are specialized for your destination. They are less expensive always but are worthy a shot.
According to travel hacker standards, it is simple to collect and use miles of frequent flyer. For people who cannot go with airline loyalty points, while credit cards are also not good. Credit cards with travel reward will offer more points as you spend and they charge annual fees and more interest rates so be careful with using credit cards if you do not have money to pay full balance by next month. It is always better to search for the flights much before the travel date so that you can get it in the best price.
The cards are great for accelerating points that you earn every year. Cards give mile bonuses when you hit certain level of spending verge. If you fly on one airline every year you will get elite status. Even there are some other perks which comes with this status for frequent flyers, the best part is complimentary upgrade to first-class.