If you decide to use Agoda to find your cheap airline flight, you should already be a seasoned traveler since this site offers far fewer trips than most of the other sites mentioned here.
Using its search engine, you’ll be able to search results based on your preferred airline if you wish, making your search much quicker.
Expedia lets you enter your cellphone number to receive a downloadable link for its app. You can use this to get even more deals to save money once you arrive at your destination.
Since you search for everything else on Google, it only makes sense that you use Google Flights to find cheap airfare, too. Extremely thorough and fast, you’ll likely find what you need on this site quicker than you will anywhere else.