There is a common belief that airlines increase prices if you repeatedly search for the same flight or if they detect high demand. However, the notion that airlines intentionally manipulate prices based on individual user behavior is largely a myth.

Airline ticket prices can fluctuate due to a variety of factors, including seat availability, demand, seasonality, competition, and airline pricing algorithms. These fluctuations can occur regardless of how many times you search for a specific flight.

The perception that prices increase after repeated searches may be influenced by a few factors:

1. Dynamic Pricing: Airlines employ dynamic pricing strategies, which means that ticket prices can change based on real-time factors, such as demand and availability. As more people search for a particular flight and seats become scarcer, prices may rise accordingly. This can create the impression that the prices increased due to repeated searches, whereas it is actually a result of changing market conditions.
2. Cookies and Browser History: Some websites use cookies and tracking techniques to personalize user experiences and display relevant content. This can include showing higher prices or limited availability for flights that have been previously searched, which may create a sense of urgency or the perception that prices have increased. Clearing your cookies or using private browsing mode can help mitigate this.
3. Timing and Inventory Management: Airline pricing is complex and constantly evolving. Prices can vary based on the time of day, day of the week, and how far in advance you are booking. Additionally, airlines may have different fare classes or promotional offers available at different times, which can impact the displayed prices.

To find the best prices when searching for flights, consider the following tips:

1. Use Incognito or Private Browsing Mode: This prevents websites from using your browsing history to influence prices.
2. Compare Prices: Check multiple travel websites or use price comparison tools to compare prices from different airlines.
3. Be Flexible: Adjust your travel dates or consider nearby airports, as this can sometimes result in lower fares.
4. Book in Advance: Generally, booking flights in advance can increase your chances of securing lower fares, although last-minute deals can also occasionally be found.

Remember that while prices can vary, airlines are subject to consumer protection laws and regulations that govern fair pricing practices. It is always a good idea to monitor prices, compare options, and make informed decisions when booking your flights.