The Cheapest Days to Fly in 2026 (And the Most Expensive)

Which day you choose to fly can make a significant difference to the price of your ticket. Airlines price flights based on demand, and demand varies dramatically by day of the week. Here's the complete breakdown for 2026.

Cheapest Days to Fly Domestically (US)

For domestic US flights, the data is consistent across multiple sources:

• 🟢 Tuesday — Consistently the cheapest day to fly. Demand is lowest mid-week as business travelers have already left and leisure travelers haven't yet started their weekend travel.
• 🟢 Wednesday — Second cheapest, very close to Tuesday prices.
• 🟡 Saturday — Surprisingly affordable. Most leisure travelers fly Friday or Sunday, making Saturday a hidden bargain.
• 🟡 Monday — Moderate pricing. Business travel starts, but leisure hasn't peaked yet.
• 🔴 Friday — Peak leisure travel day. Prices are typically 20–30% higher than Tuesday.
• 🔴 Sunday — The most expensive day to fly domestically. Everyone is returning home from weekend trips.
• 🔴 Thursday — Elevated prices as business travelers begin returning home.

Cheapest Days to Fly Internationally

International flights follow slightly different patterns since they serve a mix of business and leisure travelers across different time zones:

• 🟢 Tuesday and Wednesday — Still the sweet spot for most transatlantic and transpacific routes.
• 🟢 Thursday — Often underrated for international travel; business demand drops while leisure hasn't peaked.
• 🔴 Friday and Sunday — Most expensive, especially for popular vacation routes.

Does This Apply to All Routes?

While these patterns hold generally, specific routes can differ significantly. Very popular vacation routes (like US to Caribbean resorts) may see high prices any day during peak season. Routes dominated by business travelers (like New York to London) may have different peak days.

The best approach is to use a flexible date search to compare prices across a full week or month for your specific route, rather than relying purely on general day-of-week rules.

The Most Expensive Days to Fly: A Warning

Beyond the regular weekly cycle, certain dates are universally expensive regardless of what day they fall on:

• The Wednesday before Thanksgiving
• December 23–26 (Christmas travel)
• December 30 – January 2 (New Year's)
• The Friday before a major holiday weekend
• Spring break peak dates (mid-March)

For these dates, there is almost no strategy that produces cheap fares — early booking is your only option.

How to Find the Cheapest Day for Your Specific Route

1. Search your route on SkyScout
2. Use flexible date options to see prices across a full month
3. Set a price alert at your target price
4. Book when you hit a price that works — don't wait for the perfect fare