Planning a trip can be thrilling, but knowing when to book a flight can mean the difference between scoring a deal and overpaying. Whether you’re a newlywed planning a honeymoon, an adventure seeker chasing the Northern Lights, or a family looking for holiday deals, understanding airfare trends can help you save big.
In this blog, we’ll break down the best times to book flights, including days of the week, seasons, booking windows, and tools to help you find the cheapest airfare possible.
Why Timing Matters When Booking Flights
Airlines use complex algorithms to adjust prices based on demand, competition, time until departure, and even historical data. Understanding this system can help you snag the best deals.
- Too early or too late can cost you
- Prices fluctuate based on travel season
- Popular holidays and destinations spike demand
Best Time to Book Domestic Flights
Ideal Booking Window
- 1 to 3 months in advance for most U.S. domestic routes
- 45-70 days before departure is often the sweet spot
Cheapest Days to Book
- Tuesday and Wednesday tend to offer lower prices due to mid-week airline fare adjustments
Cheapest Days to Fly
- Departing on Tuesdays, Wednesdays, and Saturdays is usually cheaper than weekends
Best Time to Book International Flights

Ideal Booking Window
- 2 to 8 months in advance, depending on region and season
Region-Specific Tips:
- Europe: Book 3-6 months out
- Asia: Book 4-7 months in advance
- South America: 2-5 months before
- Africa and Oceania: 6-10 months out for the best rates
Internal Link: Planning an international trip? Don’t miss our 7-Day Everest Base Camp Trek for high-altitude adventure.
Use These Tools to Predict Airfare Trends
1. Google Flights
- Shows a calendar view of fares over multiple days
2. Hopper
- Uses AI to predict when flight prices will rise or fall
3. Skyscanner
- Features flexible date searches to compare the cheapest options
4. Kayak Price Alerts
- Set alerts for your route and receive instant price drop notifications
Tips to Get the Best Flight Deals

Be Flexible With Your Dates
Use “Flexible Dates” or “Explore” options to find cheaper days around your preferred travel window.
Consider Nearby Airports
Flying into secondary airports often yields better prices.
Avoid Peak Travel Times
- Holidays, weekends, and school vacations often have higher fares
Book Round-Trip vs. One-Way
Compare both options. Sometimes, two one-way flights on different airlines are cheaper than a round trip.
Best Seasons to Book
Spring & Fall (Shoulder Seasons)
Best time for fewer crowds and lower prices.
Winter
Good for international flights, except around the holidays.
Summer
Book well in advance (3-6 months) to avoid price spikes.
Looking for winter travel inspiration? Check out our guide on where to travel in November.
Conclusion
The best time to book a flight depends on your destination, flexibility, and season. Armed with tools like Google Flights and Hopper, plus knowledge of booking windows, you’re well-equipped to plan smart and save money.
Whether you’re heading to a tropical island, backpacking through Europe, or flying home for the holidays, timing your booking right is key to unlocking great fares.
FAQs
Q1: When is the cheapest time to book domestic flights?
A: Generally, booking 45 to 70 days before departure offers the lowest domestic fares. Mid-week bookings also tend to be cheaper.
Q2: What day of the week is best to book a flight?
A: Tuesday and Wednesday are typically the cheapest days to book airfare.
Q3: How far in advance should I book international flights?
A: Ideally 2 to 8 months in advance, depending on the region. For Europe and Asia, aim for 4-6 months out.
Q4: Are flights cheaper at midnight?
A: Late-night or early-morning searches may reveal discounted fares, but it’s not a guaranteed strategy.
Q5: Do flight prices go down on Tuesday?
A: Historically, airlines release deals on Monday nights, making Tuesday mornings a good time to find lower fares.