The cheapest days to fly are Tuesday & Wednesday for both domestic & international flights. See exact best days by airline + flight saving tips.
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What Are the Cheapest Days to Fly?
Forget magic tricks. Finding cheaper flights mostly comes down to when you fly. Airlines adjust prices constantly, but strong patterns exist. Overall, flying mid-week, especially Tuesdays and Wednesdays, is consistently cheaper. Weekends (Friday, Sunday) and Mondays are usually the most expensive. Flying very early in the morning or late at night (red-eyes) often saves cash too. Avoid major holidays and peak summer travel if possible.
Cheapest Days & Times Overview:
| Factor | Cheapest Options | Most Expensive Options |
| Day of Week | Tuesday, Wednesday | Friday, Sunday, Monday |
| Time of Day | Very Early Morning (e.g., 5-7 AM), Late Night (e.g., 9 PM - 2 AM) | Mid-Morning (e.g., 8-11 AM), Late Afternoon (e.g., 4-7 PM) |
| Month | January, February, September, October, Early November | June, July, August, December (Holidays) |
| Season | Shoulder Seasons (Spring & Fall) | Peak Season (Summer, Winter Holidays) |
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Cheapest Days of the Week to Fly
This is the most reliable cheapest days:
- Tuesday & Wednesday: Hands down, the absolute cheapest days on average. Fewer business travelers.
- Saturday: Can be surprisingly cheap sometimes, especially for longer routes. Less demand than other weekend days.
- Thursday: Often the next best after Tue/Wed, sometimes comparable to Saturday.
- Avoid: Friday & Sunday are prime travel days for leisure trips. Monday is heavy with business travel. These are almost always the priciest.
Cheapest Days to Fly International
The mid-week rule holds strong internationally too, but with a twist:
- Best Days: Tuesday, Wednesday, Thursday. Flying out on these days is key.
- Return Days: Tuesday, Wednesday, Thursday, or even Monday are often cheaper than weekend returns.
- Longer Trips: Flying mid-week and staying over a Saturday night often unlocks the lowest fares.
- Avoid: Flying out Friday or Saturday, returning Sunday. This is peak leisure travel = peak prices.
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Cheapest Days for Domestic Flights
Same cheap-day rules apply pretty much everywhere (like US, UK, AU, CA, SG, etc.) for domestic flights:
- Best Days: Tuesday & Wednesday. Always cheapest.
- Good Options: Saturday & Thursday. Often way cheaper than weekends.
- Worst Days: Friday, Sunday, & Monday. Most expensive days.
- Red-Eye Flights: Overnight flights? Cheaper any day. Worth it if you can handle it.
How to Know the Best Days to Fly & Find Cheap Flights
Knowing the patterns helps, but you need tools. Here's how:
- Use Trip.com Price Alerts. Pick your route and dates. They email you when the price drops. Set alerts for nearby airports too.
- Check the whole month. On Trip.com, use the calendar view. See the cheapest days to fly out and back instantly.
- Sort by "Cheapest". After searching Trip.com, hit that filter. Shows the lowest fares first.
- Try nearby airports. Flying into/out of a smaller one nearby can slash prices.
- Book at a good time: Aim for 1-3 months ahead for domestic, 2-8 months for international. But alerts catch sales anytime.
Cheapest Days to Fly by Airline
Airlines have general patterns, but always double-check with flexible searches and alerts!
| Region | Airline | Typically Cheapest Days to Fly | Notes |
| US Airlines | Delta | Tuesday, Wednesday, Saturday | Avoid Mondays & Fridays. |
| Southwest | Tuesday, Wednesday, Thursday | Famous for consistent low fares midweek. | |
| American Airlines | Tuesday, Wednesday | Weekends often very pricey. | |
| United | Tuesday, Wednesday, Saturday | Similar to Delta pattern. | |
| Europe | British Airways | Tuesday, Wednesday, Thursday | Avoid Friday/Sunday returns to London. |
| Lufthansa | Tuesday, Wednesday | Midweek is key. | |
| Ryanair / EasyJet | Tuesday, Wednesday, Thursday | Budget carriers, but prices still lower midweek. | |
| Asia | Singapore Airlines | Tuesday, Wednesday, Thursday | Long-haul deals often Tue-Thu. |
| Cathay Pacific | Tuesday, Wednesday | Consistent mid-week savings. | |
| ANA / JAL | Tuesday, Wednesday, Saturday | Sat can be good for leisure travel. |
Cheapest Days to Fly to Europe & other Popular Regions
The mid-week rule is king globally, but here's the regional lowdown:
- Europe: Fly out Tuesday, Wednesday, or Thursday. Return on Tuesday, Wednesday, Thursday, or Monday. Avoid summer (July/Aug) if possible. Shoulder seasons (Apr-May, Sept-Oct) are best.
- Asia: Fly out Tuesday, Wednesday, or Thursday. Returns on Tue/Wed/Thu also cheapest. High season varies (e.g., avoid Chinese New Year, Golden Week). Shoulder seasons (Spring/Fall) often ideal.
- North America (Domestic/US-Canada/Mexico): Fly out Tuesday or Wednesday. Return Tuesday, Wednesday, or Saturday. Avoid major US holidays (Thanksgiving, Christmas, July 4th). Jan/Feb/Sept/Oct are cheapest months.
- South America: Fly out Tuesday, Wednesday, or Thursday. Returns Tue/Wed/Thu. Avoid their summer (Dec-Feb) peak if possible.
- Australia / New Zealand: Fly out Tuesday, Wednesday, or Thursday. Returns Tue/Wed/Thu. Avoid Dec-Jan (their summer peak).
Where to Find Last-Minute Flight Deals
Want a cheap last-minute flights? Try this:
- Be crazy flexible. On dates, times, even where you fly to/from.
- Fly midweek. Look for departures on Tue, Wed, or Thu. Better chance of deals.
- Use Trip.com. They scan everyone. Often find last-minute deals others miss.
- Check budget carriers. Airlines like Ryanair, EasyJet, Spirit, Scoot sometimes dump cheap seats last minute.
FAQs about Cheapest Days to Fly
What day of the week is it cheapest to fly?
The cheapest days to fly are Tuesday and Wednesday for both domestic and international flights. Airlines lower prices midweek when fewer business and leisure travelers fly, making these days consistently 15-30% cheaper than weekends.What is the cheapest day to book flights?
There’s no magic "cheapest day" to book, but booking on a Tuesday or Wednesday can sometimes help—airlines occasionally release deals early in the week. The real key is tracking prices (use Trip.com alerts) and booking 1-3 months early for domestic, 2-8 months for international.How to get 50% off on a flight?
To score 50% off flights, try: Last-minute deals (check Trip.com’s "Deals" section) Error fares (set fare alerts) Budget airline sales (Ryanair, Scoot, Spirit often have flash sales) Fly midweek (Tue/Wed) + red-eyes for the biggest discounts.When to buy air tickets the cheapest?
Buy domestic tickets 1-3 months before and international 2-8 months before, but always: Avoid holidays & peak seasons (summer, December) Track prices (Trip.com alerts notify you of drops) Book on Tue/Wed when airlines sometimes post discounts.