Southwest Low Fare Calendar: Cheapest Southwest Flights in 2026

Planning a trip doesn't have to spend your complete travel budget. Whether you're flying for a family vacation, business meeting, weekend getaway, or holiday celebration, finding the cheapest tickets is one of the easiest ways to reduce travel costs. 

Many travelers searching for the cheapest Southwest flights often discover the Southwest Low Fare Calendar. They hope that this will help them find the cheaper airfare available throughout the month.

For years, passengers have greatly recognized Southwest Airlines for its budget-friendly fares, flexible policies, and dedicated customer support. Unlike many airlines that charge additional fees for checked baggage or flight changes, Southwest has built a loyal customer base by offering flexibility that can make traveling both easier and more affordable. Travelers who want to compare Southwest fares with other airlines before booking can also read our guide to cheap domestic flights with low fares across the United States, or check current deals on cheap flights to Las Vegas, one of the most popular destinations on the Southwest network.

Another reason travelers continue selecting Southwest is the possibility to take advantage of promotional sales, Rapid Rewards points, and easy booking options that help reduce airfare costs throughout the year.

Although many travelers still search for a Southwest Airlines Low Fare Calendar, the booking experience has expanded over time. Understanding how Southwest currently shows fares - and how to search efficiently - can help you save hundreds of dollars on your next trip.

This Expert Guide describes everything travellers need to know about the Southwest Low Fare Calendar, including whether it's still available, how to find the lowest fares, when to book, and brilliant strategies that many travelers use to maximize savings. By the end of this blog guide, you'll know exactly how to compare fares, choose the best travel dates, and book Southwest flights with confidence.

What Is the Southwest Low Fare Calendar?

The Southwest Low Fare Calendar is a fare-search tool that lets travelers compare airfare across different dates instead of searching one day at a time.

Instead of checking prices for each departure date individually, travelers can see lower-priced travel days across a wider timeframe, making it easier to choose the best dates.

Although many airlines provide flexible-date search tools, Southwest's fare search has completely focused on helping travelers easily identify cheaper airfare options while maintaining a simple booking experience.

Purpose of the Southwest Fare Calendar

The primary intent of the Southwest Fare Calendar is to help passengers:

• Compare ticket fares across different travel dates
• Identify low-price departure and return days
• Plan vacations around lower fares
• Save money on airfare
• Maximize Rapid Rewards points
• Book flights before prices increase

Travelers with flexible schedules usually have the most advantage because even changing a departure by one or two days can obviously reduce airfare.

Who Should Use the Southwest Low Fare Calendar?

The fare calendar is especially useful for:

Vacation Travelers

Families planning vacations often have flexibility before booking the hotels. Comparing flight prices first can help you to find cheap airline tickets. If your family is deciding between a beach and city escape, you can check cheap flights to Miami alongside before confirming a hotel reservation.

Business Travelers

If you are a business professional and your meeting dates grant some flexibility, modifying departure by a day can sometimes give you cheap Southwest tickets without affecting your schedule. This method works especially well on busy business routes such as cheap flights to Chicago and cheap flights to New York, where fares can vary significantly from one departure day to the next.

Students

Students traveling during school holidays often look for affordable airfare. Using flexible-date searches helps find cheaper travel seasons.

Families

Families that take multiple tickets benefit much from even small fare differences. Saving some dollars per ticket easily adds up when booking for four or more passengers.

Rapid Rewards Members

Rapid Rewards members can use fare comparisons to enhance the value of their points while also taking advantage of promotional fares.

Why Travelers Love Southwest Airlines

Southwest continues to be one of the USA's most popular low-cost airlines for many reasons beyond airfare alone. Some of its top traveler advantages include:

• Competitive domestic airfare
• No change fees (fare difference may apply)
• Generous baggage policies - two checked bags fly free on most fares
• Extensive U.S. route network
• Rapid Rewards loyalty program with no blackout dates
• Frequent fare promotions
• Flexible cancellation options
• Open seating - choose any available seat when you board, based on boarding group
• Companion Pass - earn enough points and bring a companion on every flight for free all year

These benefits often make Southwest an engaging option compared to traditional airlines that charge extra fees for services many travelers consider essential. Southwest's boarding process (Groups A, B, and C assigned at check-in) is special in the industry, and Frequent air travelers learn to check in exactly 24 hours before their flight so that they can secure their spot early when it comes time to board.

When you are planning a budget for a trip, Southwest is just one part of the overall picture, so it also helps to see how fares compare on international routes. Our page for cheap international flights offers deals to Europe, Asia, and beyond for travelers looking for options that go beyond domestic destinations.

Does Southwest Still Offer a Low Fare Calendar?

The answer is a little more complex than it used to be.

Over the years, Southwest has improved its booking platform and search tools. Travelers might recall a specific "low-fare calendar" from a previous version of the website. Southwest's current booking system highlights flexible-date searches and fare comparisons rather than an independent calendar page.

Instead of depending on a separate fare calendar, travelers can search for flights using flexible travel dates and compare available fares during making a booking. This updated version still allows passengers to identify lower-fare flights - the interface and navigation have simply changed from what longtime Southwest travelers may remember.

Why Did Southwest Change Its Booking Experience?

Like many airlines, Southwest regularly updates its website and mobile app to improve the user experience. The purpose of these updates is to:

• Simplify the booking process
• Improve mobile usability
• Offer more personalized fare displays
• Integrate Rapid Rewards pricing
• Display promotional fares more efficiently

While the interface has changed, the core intent remains the same - helping travelers find affordable airfare.

Can You Still Compare Multiple Travel Dates?

Yes. Southwest still provides ways for travelers to compare pricing across different travel dates. When searching for flights, travelers can:

• Adjust departure dates
• Compare return dates
• View alternative pricing
• Search one-way trips
• Compare round-trip combinations

Being flexible with your travel date can often lead to significantly lower airfare.

How to Use the Southwest Low Fare Calendar: Step-by-Step

Here is exactly how to use Southwest's low fare calendar and find the lowest prices for your destination:

1. Go to southwest.com and click Book in the top navigation, then select Flight.
2. Enter your departure city and destination (for example, Los Angeles to Dallas). Select whether you want a round trip or one-way.
3. Click the date calendar - a calendar view appears. Look for the flexible dates or multi-date view option to see fares across the full month in one framework.
4. Scan the calendar for lower fares - dates with cheaper fares are visually distinct. Select the cheapest departure date that fits in your schedule.
5. Repeat for the return date - Use the same view to find the cheapest day for your return. Shifting your return date by a day-either earlier or later-could also save you a few dollars per person.
6. Compare fare types - once you select a date, choose between Wanna Get Away, Choice, or Anytime fares based on how much flexibility you need.
7. Book and set a price alert - after booking, check the same route from time to time. If the fare reduces, under Southwest's 'no-change-fee' policy, you can rebook at a lower price and keep the remaining funds as flight credit.

How to Find Cheap Southwest Flights

Finding cheap flight tickets isn't just about luck. Daily travelers follow a plan that combines timing, flexibility, and awareness of fare sales. Here are the most helpful methods to book cheap Southwest flights.

1. Visit Southwest's Official Website

Start your search directly on Southwest's official website. Searching directly permits you to view current fares, access promotional offers, compare travel dates, redeem Rapid Rewards points, and manage reservations. Checking the airline's own booking platform makes sure you're seeing the latest available fares.

2. Be Flexible With Your Travel Dates

Date Flexibility is one of the biggest factors in finding lower airfare. Even changing your trip by one or two days can make a notable difference. For example:

Departure Day	Average Fare Trend
Tuesday	Often Lower
Wednesday	Often Lower
Thursday	Moderate
Friday	Higher
Saturday	Moderate
Monday	Moderate

3. Compare Multiple Date Combinations

Instead of looking for just one itinerary, compare several different options. For example: Tuesday to Friday, Wednesday to Saturday, Thursday to Monday, or Saturday to Tuesday. Sometimes, simply changing the return flight can lead to genuine savings.

4. Book Early - Know the Right Window

Airfare generally increases as departure dates are nearing. Southwest typically releases flights in batches 6–8 months in advance. For most domestic routes, booking 6–8 weeks in advance offers the best balance between seat availability and affordable pricing.

For travel during holidays-such as Thanksgiving, Christmas, and spring break-book 3–4 months in advance, as seats with lower fares sell out quickly. Waiting until the last minute usually means there are fewer low-priced options available.

5. Watch for Southwest Flight Sales

Southwest regularly rolls out promotional fare sales throughout the year - typically 3–4 major sales annually. These sales are often announced Tuesday mornings via email and are valid for travel during off-peak seasons. 

Signing up for Southwest's email promotions and enabling push notifications in the Southwest app is the most easy way to grab these deals before inventory is sold out. The airline does not publish upcoming sale dates in advance. These sales may include discounts on domestic flights, seasonal destinations, holiday travel, weekend getaways, and one-way fares.

6. Fly During Off-Peak Seasons

Travel demand has a serious impact on ticket prices. Flights are often cheaper during mid-January, February (excluding holidays), late April, early May, September, and early October. However, anticipate higher prices during Peak Holidays, Christmas, Spring Break, summer vacations, and major sporting events. 

Planning with these trends in mind can lead to important savings. To see how seasonal pricing leads to another busy route.

7. Consider Nearby Airports

If your destination has multiple airports, compare fares between them. For example: Dallas Love Field vs. Dallas/Fort Worth, Chicago Midway vs. Chicago O'Hare, Los Angeles vs. Burbank, Oakland vs. San Francisco, and Fort Lauderdale vs. Miami. 

Nearby airports sometimes offer lower airfares and smaller security lines. You can see this comparison in action on our pages for cheap flights to Los Angeles and cheap flights to Miami, where many nearby airports serve the same city, and fares often vary between them.

8. Use Rapid Rewards Points

Southwest's Rapid Rewards program enables passengers to redeem points for eligible flights with no holiday blocks on many fares, flexible redemption options, the ability to earn points through flights and partners, and potential savings during promotional periods. 

Checking both cash and points pricing can help decide the best value for your trip. When cash fares are at their lowest, the points required are significantly at their lowest too - so the Low Fare Calendar view applies to point redemptions as well.

9. Set Fare Alerts and Monitor Prices

Airfares can change based on demand, seasonality, and promotions. Tracking prices over time allows you to remember good deals when they appear. 

Helpful actions include checking fares regularly, signing up for Southwest email promotions, following the airline on social media, comparing nearby travel dates, and watching for limited-time sales. A little patience and consistency can save on your trip cost.

Southwest Fare Types Explained

When you find a low fare on the calendar, Southwest shows you different fare options. Understanding the differences assists you in choosing the right one for your trip.

Fare Type	Price	Change Fee	Cancellation	Checked Bags	Best For
Wanna Get Away	Lowest	No fee (credit only)	Travel credit, non-refundable	2 free	Set dates, budget-focused
Wanna Get Away+	Low-Mid	No fee	Transferable travel credit	2 free	Flexibility + low price
Anytime	Mid-High	No fee	Fully refundable	2 free	Maximum flexibility
Business Select	Highest	No fee	Fully refundable	2 free	Priority boarding (A1-A15) + premium perks

The Low Fare Calendar always shows the Wanna Get Away price - the cheapest available. The other fare types appear once you click into a specific date. For most leisure travelers, if your dates are set, 'Wanna Get Away' fares offer the best value.

Pro Tips from Frequent Southwest Flyers

Insider Tips

• Check the app too: The Southwest mobile app sometimes shows a bit different pricing than the desktop site. It's worth checking both before booking.
• Midnight price reset: Fares can update at midnight Central Time. Checking late at night sometimes displays lower prices for the next day's availability.
• Rebook if the fare drops: After booking, check the same route every few weeks. If the price goes down, Southwest's no-change-fee policy allows you to rebook at the lower fare and receive the difference as flight credit - efficiently a fare match.
• Points follow cash fares: When cash fares go at their lowest on the calendar, points redemptions are significantly at their lowest too - making the Low Fare Calendar useful for both cash and Rapid Rewards bookings.
• Check in exactly 24 hours early: Southwest uses open seating. Checking in exactly 24 hours before departure gives you the best fare for an A-group boarding position and your preferred seat.

Once you have found a good Southwest fare, it is worth looking at how prices compare on the other destinations travelers search most often, including New York, Los Angeles, Chicago, Miami, Las Vegas, and San Francisco, since a flexible traveler can often save more by choosing the right destination and dates than by choosing the right airline alone.