What is the most reliable website for finding cheap domestic flight tickets in the US?

Booking flights 4-6 weeks in advance can save travelers up to 30% compared to last-minute bookings.

Flying on a Tuesday, Wednesday, or Saturday is typically 15-25% cheaper than flying on a Friday or Sunday.

Clearing your browser's cache and cookies before searching for flights can sometimes uncover lower "incognito" prices.

Airlines use complex algorithms to dynamically price flights based on factors like demand, competition, and even the user's browsing history.

Booking one-way flights can sometimes be cheaper than roundtrip, especially for multi-city itineraries.

Using a flight aggregator like Skyscanner or Kayak can surface hidden-city ticketing loopholes that can save hundreds.

Subscribing to airline and travel deal newsletters can provide access to exclusive flash sales and mistake fares.

Flying during the off-season, such as September-November or January-March, can yield 20-40% savings on domestic routes.

Booking flights with a stopover can be 20-50% cheaper than nonstop options, though it adds travel time.

Purchasing tickets with airline miles or credit card points can provide discounts of 25-75% off regular fares.

Joining frequent flyer programs and accumulating elite status can unlock access to reduced change/cancellation fees and seat upgrades.

Using a virtual private network (VPN) to access flight pricing in other countries can sometimes reveal lower fares.

Monitoring flight prices daily and setting price alerts can help travelers identify the optimal booking window.

Booking flights on the airline's website directly can occasionally bypass fees associated with third-party booking sites.

Avoiding peak travel seasons like summer and holidays can yield 10-30% savings on domestic flights.

Comparing prices across multiple search engines like Google Flights, Skyscanner, and Kayak can uncover the best deal.

Signing up for airline-branded credit cards can provide valuable perks like free checked bags and priority boarding.

Flexible travel dates and being open to nearby airports can unlock significantly lower fares.

Choosing red-eye or early morning flights can be 15-25% cheaper than popular daytime options.

Monitoring airfare trends and booking during periods of low demand, such as after major holidays, can lead to substantial savings.