Cheapest Time to Fly: Best Days, Months & Booking Windows 2026

Cheapest Time to Fly: The Short Answer

January, February, and September are the cheapest months to fly for most US domestic routes. Tuesday and Wednesday are the cheapest days of the week — typically 15–25% less than Friday or Sunday. For booking timing, 6–8 weeks ahead is the sweet spot for domestic flights, and 2–5 months ahead for international.

Flight Price Calendar by Month

Here is a general pricing guide for US domestic routes based on historical demand patterns:

• January: Low — Post-holiday deals. Great for domestic travel.
• February: Low — Often the cheapest month of the year for many routes.
• March: Medium — Spring break drives prices up mid-month.
• April: Medium — Shoulder season. Good value for Europe.
• May: Medium — Pre-summer window. Book early for best rates.
• June: High — Peak summer season begins.
• July: High — Most expensive month for most domestic routes.
• August: High — Peak summer. Book 3+ months ahead.
• September: Low — Post-summer price drop. Best value month of the year.
• October: Medium — Good fall deals. Classic shoulder season.
• November: Medium — Cheap except Thanksgiving week.
• December: High — Holiday premium. Book as early as possible.

Key Timing Tips

Best Day to Fly

Tuesday and Wednesday are 15–25% cheaper than Friday or Sunday for most domestic routes. Airlines release fare sales on Tuesday morning, causing competitors to match prices by Tuesday afternoon. Avoid Friday and Sunday — these are the most expensive days to fly because of leisure demand.

Best Time to Book

For domestic flights, the sweet spot is 6–8 weeks before departure. Booking too early (more than 6 months out) or too late (within 2 weeks) usually costs more. For international flights, aim for 2–5 months ahead. Transatlantic routes to Europe are cheapest when booked 3–6 months in advance.

Best Time to Depart

Early morning flights (before 7 AM) and red-eye flights (after 9 PM) are 10–20% cheaper than midday departures. These time slots are less popular with business and leisure travelers, so airlines discount them to fill seats. Early morning flights also have the lowest delay rates.

Seasonal Pricing by Destination Type

US Domestic Routes

The cheapest domestic flying months are January, February, and September. Summer (June–August) and holiday periods (Thanksgiving week, Christmas–New Year) are always the most expensive. Spring break in March creates a mid-season spike, especially on routes to Florida, Mexico, and the Caribbean.

Transatlantic Flights (US to Europe)

Europe flights are cheapest in January and early February. Spring (April–May) and fall (September–October) offer the best shoulder-season value. Peak prices run June through August and again during Christmas. Avoid flying to Europe the last two weeks of August — European vacation season creates a late-season surge.

Asia and Pacific Routes

Flights to Southeast Asia and Japan are cheapest during September and October, and again in late January after Chinese New Year. Peak season runs December through February for Thailand, Bali, and the Philippines. Avoid Japan during Golden Week (late April to early May) — airfares spike significantly.

How to Use Fare Alerts

Set fare alerts for your route on Google Flights or Travorio. You will receive notifications when prices drop below a threshold you set. This works best when you are flexible on exact dates. Many travelers set alerts 3–4 months before their intended travel window and book when they see a price 20–30% below the average for that route.

BNPL and Crypto Payment for Flights

If you find a great price now but are not ready to pay in full, Travorio offers flexible payment options. US and Canada residents can split flight bookings into 4 interest-free payments through Sezzle. US residents can also use PayPal Pay Later for orders up to $10,000. Crypto users can pay with Bitcoin, Ethereum, USDT, or 100+ supported cryptocurrencies at the locked exchange rate.

Frequently Asked Questions

What is the cheapest day of the week to fly?

Tuesday and Wednesday are typically the cheapest days to fly domestically. For international flights, weekday departures (Mon–Thu) are generally 15–25% cheaper than weekends. The most expensive days are Friday and Sunday.

What is the cheapest month to fly?

January, February, and September are the cheapest months for most domestic routes. International flights are cheapest during shoulder seasons (April–May and September–November, excluding holidays).

How far in advance should I book flights?

For domestic flights: 1–3 months ahead. For international flights: 2–8 months ahead. The sweet spot for the lowest prices is 6–8 weeks before domestic travel. Booking too early or too late usually costs more.

Is it cheaper to fly at night?

Yes, red-eye flights (departing after 9 PM) and early morning flights (before 7 AM) are typically 10–20% cheaper than midday flights. Airlines discount these less popular time slots to fill seats.

Are last-minute flights ever cheaper?

Sometimes for domestic routes. Airlines may drop prices 1–3 days before departure to fill empty seats. However, this is risky — prices can also spike last minute. Use Travorio to compare real-time prices before committing.

What factors affect flight prices the most?

The biggest factors are day of week (Tuesday–Thursday are cheapest), booking timing (6–8 weeks ahead for domestic), departure time (early morning or red-eye are cheaper), season (off-peak vs. peak), and route competition. Routes served by low-cost carriers are consistently cheaper than routes dominated by one legacy airline.