Airfares flex like crazy, but in general it's wise to start looking for international flights at least four to six months before your trip, especially for travel in spring, summer, or fall.
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The general rule is that for domestic flights, travelers should start searching for flight tickets one to three months in advance. For international flights, the best prices are typically available from two to eight months in advance. Prices can also vary widely among airlines.
Domestic airline prices are on the decline in 2023, finally retreating after spiking just a year ago. International fares are still high. After soaring in 2022, prices for domestic airline tickets are on the descent.
Instead, flights tend to be the most inexpensive when you book between four months and three weeks before your departure date. According to CheapAir.com, you can expect rates to go up after that period.1 There may, of course, be some compounding factors that can affect this.
So why are flight prices so high right now? It's a concept you're already familiar with: Supply and demand. After it nearly evaporated in 2020, demand for travel is fully back in 2023 and isn't going anywhere. In fact, it might be higher than ever.
It's likely that domestic airfares will continue to sink through the rest of 2023, says Keyes. But prices still tend to run higher in peak holiday periods. To watch for low fares, you can enter your itinerary at sites such as Google Flights and Kayak and receive e-mail alerts when prices drop.
The cheapest ticket to Europe found for each month in 2023 based on historical flight searches by Cheapflights users. January is currently the cheapest month to fly to Europe. At this moment in time June is the most expensive month.
The best time to book a flight is one to three months before your departure for domestic airline tickets and two to eight months prior for international flights. “We call these the 'Goldilocks windows,'” Scott Keyes, founder of Going.com, tells AFAR. “Not too early, not too late—just right in the middle.”
Average domestic airfare price by dayThe cheapest days to depart if you're flying within the U.S. are midweek — generally Tuesday or Wednesday. For economy tickets, Tuesdays are about 24% lower than peak prices on Sundays, which translates to savings of about $85 per ticket.
Average fares are currently 36% higher than they were 12 months ago. (Adjusting for inflation, airfare is up 24%.) In 2023, I expect that to reverse and year-over-year fares to fall.
Now, the day of the week you choose to travel does make a difference in the best time to buy flights. In 2023, the cheapest day of the week to fly is Wednesday. Flying on Wednesday will save you almost $100 versus Sunday – the most expensive day to fly.
Timing plays an important part. Specifically, plane tickets usually don't get cheaper closer to the departure date. Instead, flights tend to be the most inexpensive when you book between four months and three weeks before your departure date.
Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be June and July. The cheapest month to fly from the United States is February. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Europe flight deals.
However, airlines say prices change not because of a consumer's search history on a website, or their cookies, but because of inventory updates or glitches on the website, FareCompare's Rick Seaney said in an email.
Wednesdays and Thursdays are the cheapest day to fly internationally. Meanwhile, international flyers would be wise to leave on Wednesdays, which are the cheapest day to depart for an international trip. That said, there isn't a huge difference in price across the different days of the week.