What is the Cheapest Day to Book a Flight on Delta? 

Delta Air Lines is one of the largest and most popular carriers in the United States +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES), offering domestic and international flights to hundreds of destinations. Whether you're planning a vacation, a business trip, or a +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) family visit, saving money on flights is always a smart move. And one of the most effective ways to do that is by choosing the +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) cheapest day to book your Delta Airlines ticket.

So, what’s the secret to scoring the best deals with Delta?

This blog covers everything you need to know: the best days to book, the days to avoid, how far in advance to book, tips for saving more, and frequently asked questions. By the end, you’ll know exactly when and how to book your next Delta flight at the lowest possible price.

What Is the Cheapest Day to Book Delta Flights?

The cheapest days to book a Delta flight are +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) Tuesday, Wednesday and Saturday. These two mid-week days consistently offer lower prices compared to weekends and Mondays.

Why Tuesday?

Most airlines, including Delta, launch sales and update fare prices +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) on Monday nights. By Tuesday morning or afternoon, other airlines respond by matching or undercutting those deals. This creates a brief window of intense competition, +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) where prices drop to attract bookings.

Travelers who search for flights on Tuesday morning or early afternoon +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) often find deals that were not available just a day earlier. If you're flexible and quick to act, you can take advantage of this timing.

What About Wednesday?

If Tuesday is good, Wednesday is almost as good. +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) Fare prices from the previous day’s adjustments often carry over into Wednesday. Some airlines also extend their sales for +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) 24–48 hours. So if you miss Tuesday’s deals, you still have a strong chance to find competitive fares on Wednesday.

Which Days Should You Avoid Booking on Delta?

Just as there are smart days to book flights, there are also days when prices tend to spike. Avoiding these days can help you prevent unnecessary costs.

Avoid Fridays and Sundays

Fridays and Sundays are peak+52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES)  travel days, business travelers often book Friday returns, while leisure travelers are flying out or +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) back on Sunday. Due to high demand, airlines like Delta increase their prices for bookings made or flights scheduled on these days.

Mondays Are Also High-Traffic

Many corporate travelers book on Mondays for the coming week +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES), driving up fare prices. If you're planning a personal trip, try not to book on Mondays unless you're getting a limited-time deal.

Cheapest Days to Fly on Delta

While we’re focusing on booking days, it’s also helpful to understand which days are cheapest to fly +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) with Delta Airlines. Flying and booking are two different actions that both influence price.

The cheapest days to fly are usually Tuesday, Wednesday and Saturday on these days, fewer people are traveling, so Delta lowers its fares to fill the aircraft. If you can align your travel dates to these days, your savings may go beyond just the booking price.

How Far in Advance Should You Book Delta Flights?

Another key factor in finding low fares on Delta is timing your purchase window correctly.

For Domestic Flights

Book Delta flights three to six weeks +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) in advance. This is the window where Delta often releases the best mix of seat availability and competitive pricing. Prices may start to rise once +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) you're within two weeks of departure.

For International Flights

The ideal time to book Delta international flights is two to five months +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) in advance. Booking too early can sometimes cost more, and last-minute bookings almost always carry a premium unless you’re using miles or credits.

For Holiday or Peak Travel

If you’re planning to fly during holidays (like Christmas, Thanksgiving, Spring Break +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES), or summer), book as early as possible—preferably six to eight months in advance—to lock in lower fares before demand surges.

Tips to Find the Best Deals on Delta Flights

Knowing the right day to book is only part of the story. Use these smart tips to maximize your savings when flying with Delta.

1. Use Delta's Low Fare Calendar

Delta offers a “Price Calendar” or “Flexible Dates” feature during the booking process. This shows the lowest fares across an entire month, helping you spot the cheapest days to fly instantly.

2. Set Fare Alerts

Use tools like Google Flights, Hopper, or Skyscanner to set price alerts. You’ll be notified as soon as Delta lowers prices on your selected route. This is especially useful if you’re flexible on your dates.

3. Join the Delta SkyMiles Program

Delta's loyalty program offers points (called SkyMiles) for every dollar you spend. These points can be used for future flights, upgrades, or perks. Sometimes you’ll even receive SkyMiles-exclusive sales or discounts.

4. Consider Booking One-Way Flights

On some routes, two one-way tickets (even from different airlines) can be cheaper than a round-trip Delta flight. Always compare both options before finalizing your booking.

5. Be Flexible with Airports and Times

Flying out of or into a nearby airport, or choosing early morning or late-night flights, often results in lower fares. Use Delta’s “Nearby Airports” feature during booking to check.

6. Clear Your Browser Cookies

Fare prices can sometimes rise if you repeatedly search the same route. Clear your cookies or search in incognito mode to avoid dynamic pricing based on your activity.

What Affects Delta's Flight Prices?

Delta Airlines uses a dynamic pricing model that considers many factors:

• Demand and supply
  
  

• Time of booking
  
  

• Season and holidays
  
  

• Route popularity
  
  

• Time of day for flight
  
  

• Fuel costs and taxes
  
  

Because so many elements influence price, flexibility is your best friend when booking with Delta.

Should You Use Delta’s Website, App, or Travel Sites?

Booking directly on Delta’s website or app is usually your safest bet. You’ll have access to:

• All fare classes (including Basic Economy and Comfort+)
  
  

• SkyMiles redemptions and bonus offers
  
  

• Customer service and ticket management features
  
  

Third-party sites may occasionally offer slightly lower prices, but they can also charge fees or lack flexibility for changes and cancellations.

Is Booking Early Always Cheaper with Delta?

Not always. Booking nine months in advance might not give you the best deal. Delta typically prices tickets lower within the +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) 45–90 day window for domestic flights and the 60–150 day range for international flights.

The only exception is holiday or peak season travel, where booking early is almost always recommended.

Does Delta Have Sales or Discount Days?

Yes. Delta often runs flash sales, seasonal offers, and discounted mileage redemption events. Keep an eye out for:

• Weekly deals (Tuesdays and Wednesdays)
  
  

• Seasonal sales (Spring Break, Summer, Black Friday)
  
  

• Last-minute getaways
  
  

• Special deals for SkyMiles members
  
  

Sign up for Delta’s email alerts or check their "Deals and Offers" section online regularly.

Frequently Asked Questions (FAQs)

What time of day is best to book Delta flights?
The best time to book Delta flights is early +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) Tuesday morning, typically between 5 AM and 10 AM Eastern Time, when airlines finalize and release pricing updates.

Is Tuesday really the cheapest day to book?
Yes, in most cases. Industry analysis consistently shows that Tuesday and Wednesday offer the most affordable booking options due to airline fare adjustments.

What is the cheapest day to fly on Delta?
Flying on Tuesdays, Wednesdays, or Saturdays is usually cheaper than other days due to lower passenger volume.

Does Delta offer refunds if prices drop after I book?
Delta does not automatically refund the difference, but if you booked a refundable or flexible fare, you may be able to cancel and rebook at the lower price. SkyMiles tickets may allow for changes with minimal fees.

Can I use SkyMiles to reduce fare costs?
Yes. You can use SkyMiles to pay for all or part of your fare. This is ideal when cash fares are high but redemption values are favorable.

Are Delta Basic Economy tickets cheaper?
Basic Economy fares are Delta’s lowest-priced option. They are cheaper but come with restrictions: no seat selection, boarding last, and limited changes or upgrades.

Conclusion: Smart Booking with Delta Starts on the Right Day

Booking a Delta flight doesn’t have to break the bank. The cheapest days to book are typically +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES) Tuesday,Wednesday and saturday, especially during the early morning hours. Avoid booking flights on weekends or Mondays when prices are higher due to demand.

If you want to maximize your savings:

• Book domestic flights 3–6 weeks in advance
  
  

• Book international flights 2–5 months in advance
  
  

• Fly midweek for lower fares
  
  

• Use Delta’s tools and loyalty program for added savings
  
  

By following these strategies and staying flexible +52-800-953-7578 (MX) +1-866-932-4012 (EE.UU) o +34-90087-6019 (ES), you can travel with Delta affordably without sacrificing comfort or convenience. Make your next trip smarter—book it on the right day.