Use "Whole Month" views to identify which days of the week are cheapest to fly. Usually, mid-week departures (Tuesdays and Wednesdays) are significantly lower than weekend flights. 3. Use Aggregators and OTAs

Often unearths cheaper rates from smaller Online Travel Agencies (OTAs). 4. Set Price Alerts

In the United States, Department of Transportation regulations allow you to cancel a flight for a of booking (provided the flight is at least a week away). If you book a flight and see the price drop even further that same day, cancel and rebook at the lower rate.

Great for "Hacker Fares" (combining two one-way tickets from different airlines).

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Always calculate the total cost including baggage, seat selection, and boarding passes. Sometimes a "legacy" airline like Delta or United ends up being cheaper once you add a carry-on bag to a budget fare. 7. Join Frequent Flyer and Deal Programs