Tuesdays, Wednesdays and Saturdays are the Cheapest Days to Fly Domestically. Typically, Tuesday, Wednesday, or Saturday is the cheapest day to fly. If you can structure your travel schedule around these days, these will likely be the best days to fly – both for a lower cost and a less-hectic airport experience.

If you're targeting spontaneous travelers or those seeking last-minute deals, Lastminute.com is the best online travel agency to consider. As the name suggests, it specializes in providing travelers with a wide array of last-minute options, from flights and hotels to car rentals and activities.