How to Use Google Flights to Find Cheap Airfare

Google Flights finds cheap flights through flexible date searches, price tracking, and multi-city options. Use the explore map for inspiration, set up price alerts for specific routes, and book directly with airlines or through Google's booking partners.

  1. Start with flexible dates. Enter your departure and arrival cities, then click the calendar icon. Select 'Flexible dates' to see a month view with prices for each day. The cheapest days show in green. If you can shift your trip by 2-3 days, you often save $50-200.
  2. Use the explore map for inspiration. Click 'Explore' from the main page. Enter your departure city and budget, then browse the map for destinations within your price range. This works best when you're flexible about where to go but have a fixed budget or time frame.
  3. Set up price tracking. Once you find a route you want, click the price tracking toggle. Google will email you when prices drop. Track up to 5 routes at once. Price alerts work best when set 6-8 weeks before domestic trips, 8-12 weeks before international.
  4. Compare nearby airports. Include nearby airports by typing the metro area code (like NYC for all New York airports). This automatically searches LaGuardia, JFK, and Newark together. Can save $100+ on busy routes.
  5. Use filters strategically. Filter by number of stops, airlines, departure times, and flight duration. Avoid ultra-budget carriers if you need reliability. Use the 'Best' tab to balance price and convenience rather than just 'Cheapest'.
  6. Book through the right channel. Google shows booking options with airlines directly or through third parties. Book directly with airlines when prices are the same - easier to change flights later. Use third parties only when they're significantly cheaper and you're sure about your plans.
Why do prices change when I go back to book?
Flight prices update constantly based on demand and inventory. Book within 24 hours of finding a good price. Some airlines also show different prices based on browsing history or location.
Are Google Flights prices accurate?
Google Flights pulls real-time data from airlines and booking sites, but prices can change between search and booking. The final price appears during checkout with the airline or booking partner.
Should I clear cookies between searches?
Not necessary with Google Flights specifically, but some airlines may show higher prices on repeat visits. Use incognito mode if you notice prices increasing on the same route.
How far in advance should I book?
Domestic flights: 6-8 weeks ahead. International flights: 8-12 weeks ahead. Google Flights price tracking helps you identify when you've hit the sweet spot for your route.