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Flight booking guides

Plain answers on when to book, which days are cheaper and how to catch a price drop, plus route tips for the six routes on our live fare board.

Booking guides

• Mistake Fares: What They Are and How to Catch One

  Mistake fares are real pricing errors that last hours to a few days and can cut $300–$1,000 off a ticket. Here's how to catch one before the airline fixes it.

• Why Flight Prices Change Every Time You Search

  Flight prices move 2–4 times a day as fare buckets refill and demand shifts. Cookies aren't the cause — here's what actually changes between searches.

• Basic Economy Flights Explained: Is It Worth It?

  Basic economy saves $25–$70 per direction but blocks seat selection, changes, and sometimes carry-ons. Here's when it's worth it and when it costs more.

• Budget Airlines vs Full-Service: What You Trade Off

  Budget fares start $40–$120 below legacy carriers, but bag and seat fees erase the gap. Here's the bag math that decides which airline is cheaper for you.

• How to Set a Fare Alert (and Actually Use It)

  Fare alerts pay off only if you set them 4–8 months out, set a target price from the route's normal range, and book within 24 hours of the price drop.

• Are Tuesday Flights Really Cheaper? What the Data Shows

  Flying Tuesday or Wednesday saves 15–25% versus Friday or Sunday. Booking on a Tuesday barely matters — the saving is in the travel day, not the day you book.

• When Is the Cheapest Time to Book a Flight?

  Domestic flights are cheapest booked 3 weeks to 3 months out; international ones, 2 to 6 months ahead. Inside 21 days you pay a 20–40% premium on most routes.

• How Far in Advance Should You Book International Flights?

  Book international flights 2 to 6 months ahead. Summer Europe needs 4 to 6 months; shoulder-season Japan and Latin America still works at 6 to 12 weeks out.

• One-Way vs Round-Trip Flights: Which Saves More?

  Round-trips are 25–40% cheaper per direction on most routes. One-ways win on budget carriers, when you mix airlines out and back, or on open-jaw itineraries.

Route guides

• SFO to Tokyo Flights: Cheapest Season to Book and Why

  SFO to Tokyo round-trips run $500–$900. Book 3–6 months out; late January–February and October–November are cheapest, while cherry blossom season is priciest.

• LAX to Cancún Flights: When to Book for the Lowest Fare

  LAX to Cancún round-trips run $300–$520. May and September through early December are cheapest; book 6–10 weeks ahead and expect $550–$750 over spring break.

• JFK to LAX Flights: Cheapest Time to Fly and Book

  JFK to LAX round-trips usually run $230–$450. January, early February, and late September are cheapest. Book 3–6 weeks out, and nonstops add $60–$150.

• Atlanta to Paris Flights: Cheapest Off-Peak Months

  Atlanta to Paris round-trips run $650–$1,150. January through mid-March and late October–November are cheapest; book 3 to 5 months ahead and avoid July.

• ORD to MCO Flights: Cheapest Months to Fly

  ORD to MCO round-trips average $150–$320. Late January, September, and early December are the cheapest months, while spring break and summer run $350–$500.

• JFK to London Flights: How Early to Book a Cheap Fare

  JFK to London round-trips average $450–$800. Book 2 to 5 months ahead: January–March and early November are cheapest, and nonstop fares start near $500.