If you’re staying awake at night worrying about flight prices in the upcoming season, breathe easy – they’re not all that extreme after all.

We’ve pulled some data to analyze how flight prices compare from last month to this month, and so far, there’s nothing to lose sleep over. You can travel (and sleep) as you please.

In assessing the change in average airfares on sale in September and October, we found that 796 routes had fluctuated: 51 percent of them increasing in price, and 49 percent of them decreasing. So, it’s just as hit-or-miss as usual, no scary Holiday Fare Monsters lurking in the shadows for now.

In order to get even more detailed, we looked at which of the 100 most popular routes had changed and found that 86 had fluctuated (55% up and 45% down). To help you plan your travels, below are the popular routes with the biggest price drops and increases:

Here are the routes that are getting cheaper by the day:
John F. Kennedy Intl, NY (JFK) to Luis Munoz Marin Intl (SJU)
Philadelphia Intl, PA (PHL) to McCarran Intl, NV (LAS)
John F. Kennedy Intl, NY (JFK) to San Francisco Intl, CA (SFO)
San Francisco Intl, CA (SFO) to Bangkok Intl (BKK)
Miami Intl, FL (MIA) to John F. Kennedy Intl, NY (JFK)

These routes are increasing in price, so keep your eye on them:
Los Angeles Intl, CA (LAX) to London (GB-LON)
Orlando Intl, FL (MCO) to Luis Munoz Marin Intl (SJU)
Minneapolis-St Paul Intl, MN (MSP) to McCarran Intl, NV (LAS)
La Guardia, NY (LGA) to McCarran Intl, NV (LAS)
Los Angeles Intl, CA (LAX) to La Guardia, NY (LGA)

Bottom line: While prices are fluctuating right now, it’s safer to do your homework and book wisely before assuming your route will have skyrocketed (or plummeted).

About the author

Author Pleasance Coddington
Pleasance CoddingtonPleasance is a British travel writer and online content specialist in travel. She has written for numerous publications and sites including Wired, Lucky, Rough Guides and Yahoo! Travel. After working for six years on content and social media at VisitBritain, she is now the Global Content and Social Media Manager for Cheapflights.

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