What are the best websites to find cheap flight tickets by date instead of destination?

Flexible date searches can often uncover significant savings compared to searching for a specific travel date.

Airlines adjust prices based on demand, so being open to flying a day or two before/after your ideal dates can lead to much lower fares.

Websites like Skyscanner and Google Flights allow you to search "Everywhere" from your home airport, then sort the results by price to discover the cheapest destinations on your travel dates.

The Kayak "Explore" feature is specifically designed for open-ended trip planning.

It lets you input your home airport and see a map displaying the cheapest fares to destinations worldwide for your selected travel period.

Hopper's price prediction technology can alert you when flight prices are expected to increase or decrease, helping you time your booking for the lowest possible fare.

Momondo has a unique "Everywhere" search that scans for the cheapest flights across the entire month from your departure city, making it easy to find the lowest-priced travel dates.

Many flight search engines now incorporate machine learning algorithms that analyze historical pricing data to predict future price movements and recommend the optimal time to book.

Booking one-way tickets rather than round-trips can sometimes yield significant savings, especially when flying to less popular destinations or during off-peak seasons.

Searching for flights on incognito/private browsing mode can prevent airlines from tracking your search history and potentially raising prices.

Being flexible on your departure and return airports, even if they're slightly farther from your final destination, can open up more affordable routing options.

Signing up for price tracking services like Scott's Cheap Flights can notify you of limited-time error fares and flash sales that are significantly discounted from normal prices.

Clearing your browser cookies and cache before each flight search can prevent airlines from personalizing prices based on your search history.

Considering nearby airports as alternates to your preferred departure/arrival locations can sometimes uncover cheaper flight options, though you'll need to factor in ground transportation costs.

Traveling during the shoulder season, when demand is lower, often results in cheaper airfares compared to peak travel periods like summer and holidays.

Booking far in advance, typically 6-12 months out, can take advantage of airlines' initial low fares before they start raising prices closer to the travel date.

Monitoring fares over an extended period and being willing to be spontaneous can help you capitalize on unexpected price drops, even for popular destinations.

Joining frequent flyer programs and using airline-branded credit cards can provide access to exclusive sales, upgrades, and other benefits that can reduce your overall travel costs.

Understanding how airline pricing algorithms work, such as their use of dynamic pricing and fare buckets, can help you identify the best times to book for maximum savings.

Considering multi-city or open-jaw itineraries, where your departure and return airports differ, can sometimes be cheaper than booking a traditional round-trip.

Leveraging hidden-city ticketing, where you book a flight with a layover at your desired destination and skip the final leg, can lead to significant savings, though this practice is frowned upon by airlines.

Being aware of seasonal fluctuations in airfare, such as the post-holiday slump or the summer peak, can help you time your bookings to take advantage of the lowest prices.