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Book Southwest Flights with Alternative Airlines

Welcome to our guide on Southwest Airlines, known for its extensive network of destinations and customer-friendly policies. Whether you're travelling for business or leisure, Southwest offers convenient flights, straightforward baggage policies - with the first two checked bags free - and reliable, friendly service. Discover why millions of travellers choose Southwest for affordable fares and a hassle-free travel experience.

Southwest Airlines is one of the 600+ airlines we're proud to ticket here at Alternative Airlines. With us, you can easily search for Southwest flights, compare ticket prices and book your trip in just a few clicks!

Popular Southwest Routes

Southwest Airlines flies to over 100 destinations across the United States, Mexico, Central America, and the Caribbean. Southwest's most popular routes are:

  • Los Angeles (LAX) to Las Vegas (LAS) - $49 - $149
  • Chicago (MDW) to Denver (DEN) - $69 - $199
  • Baltimore (BWI) to Orlando (MCO) - $59 - $179
  • Dallas (DAL) to Houston (HOU) - $39 - $129
  • Phoenix (PHX) to San Diego (SAN) - $49 - $149
  • Nashville (BNA) to Atlanta (ATL) - $49 - $159
  • Oakland (OAK) to Las Vegas (LAS) - $49 - $139
  • Fort Lauderdale (FLL) to Nassau, Bahamas (NAS) - $99 - $299
  • Houston (HOU) to Cancun, Mexico (CUN) - $149 - $399
  • Los Angeles (LAX) to Honolulu (HNL) - $199 - $499

Start searching for Southwest flights with our search form. Please note that prices may vary based on demand, booking time and availability.

How to Book Southwest Flights

1. Search for Southwest flights 🔎

Southwest frequently flies to Las Vegas, Denver, Chicago, Dallas, Los Angeles, Orlando, Houston, Atlanta and San Diego. It also flies internationally to CancĂșn, San JosĂ© del Cabo, Puerto Vallarta, Montego Bay, Nassau and more.

Enter one of these into our search form (or any destination of your choice), tell us when you'd like to fly and hit the search button to see what we've got on offer!


2. Select your Southwest routes ✈

We'll show you all available routes to your desired destination and on the travel dates you have chosen. Select Southwest Airlines as your preferred airline to fly with.

You can also choose whether you'd like a non-stop flight or a connecting flight, the times you depart/arrive and which aircraft you'd prefer to fly on.

Pick the Southwest flights that work best for you and proceed to checkout to secure your booking.


3. Pay your way 💳

At Alternative Airlines, we're proud to offer over 40 different ways for you to pay for your Southwest flights. Payment options available include:

  • Credit and debit cards including Visa, Mastercard and American Express
  • Buy Now Pay Later plans including Afterpay, Klarna, Zip and Affirm
  • Cryptocurrencies including Bitcoin, Ethereum and Litecoin
  • E-wallets including PayPal, Google Pay, Cash App and Apple Pay

Southwest Baggage Allowance

Southwest Airlines rules for baggage are that passengers are permitted to carry two-piece of checked baggage and one piece of carry-on baggage onboard their flight.

Carry-on Baggage

Carry-on Bag:
  • Allowance: 1 carry-on bag per passenger.
  • Size Limit: Must not exceed 10 x 16 x 24 inches (25 x 40 x 60 cm).
Personal Item:
  • Allowance: 1 personal item per passenger (e.g., small rucksack, handbag, briefcase, or laptop).
  • Size Limit: Must not exceed 18.5 x 8.5 x 13.5 inches (46 x 22 x 34 cm).
Important Reminders:
  • Prohibited Items: Do not pack prohibited items in your carry-on. These include: liquids over 100ml, sharp objects, illegal substancesExplosives
  • Security Check: Prohibited items will be confiscated at airport security.

Checked Baggage

Allowance:
  • Number of Bags: 2 checked bags per passenger
  • Cost: Free of charge
Weight Limit:
  • Per Bag: 50 lbs (22 kg)
Size Limit:
  • Per Bag: Maximum dimensions of 62 inches (157 cm) (L x W x H)

Southwest Check In

Online Check-In

Southwest online check-in opens 24 hours before departure. You can check in online by visiting Southwest Airlines' website and entering your confirmation number, first name and last name.

Once you're checked in, you can print your Southwest boarding pass immediately or save it on your mobile device.

Mobile App Check-In

You can check in for your Southwest flight via Southwest's mobile app. The option to check in via the mobile app will be available 24 hours before departure.

Simply download the Southwest app, tap on the 'Check In' option, and enter your confirmation number and passenger details.

Your mobile boarding pass will then be saved on your phone for easy access at the airport.

Airport Check-In

Airport check-in is available for Southwest flights.

For domestic flights, we suggest arriving at the airport at least 2 hours before departure.

For international flights, you should arrive at least 3 hours before departure.

This will allow you enough time to check-in. Airport check-in will close 45 minutes before departure for domestic flights and 60 minutes before departure for international flights.

Country flags

All Southwest Destinations

Southwest Airlines flies to over 100 domestic destinations in 40 states including Chicago, Baltimore, Washington, Midway, Las Vegas, Denver, Dallas, Phoenix, Houston, Orlando, Atlanta and Los Angeles, as well as more than 15 international destinations across Central America and the Caribbean.

Alternatives to Southwest Airlines

Can't find the flight you're looking for with Southwest? Luckily, you're in the right place. At Alternative Airlines, we ticker 600+ global airlines so you're sure to find a route that works for you! The following airlines operate similar routes toSouthwest:

More than 100,000 happy customers per year

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This was my first booking and I used Alternative Airlines twice on this trip. I must say by far the best online booking experience ever.

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Buy now, pay later

Buy your flights now and pay later

No way, really?! Yes! We’ve partnered with some amazing BNPL payment providers to allow you to pay for your flights over time, with ease.

About Southwest Airlines

Southwest Airlines, often referred to as Southwest or SWA, is a major US airline known for offering low-cost flights. Based at Dallas Love Field Airport, Southwest operates an extensive network across the US and select destinations in North and Central America, serving over 100 destinations. At peak times, Southwest operates over 4,000 daily flights!

Southwest was founded in 1967, starting operations with flights between Houston, Dallas and San Antonio. Today, it's one of the largest airlines in the US and the leading low-cost airline in North America.

Hub Airport - Dallas Love Field

  • Dallas Love Field (DAL) is a city-owned airport located 6 miles from downtown Dallas.
  • DAL is a major hub for Southwest Airlines, which holds a 95% market share at the airport.
  • The airport has a single terminal with 20 gates. Southwest leases 18 of these gates.
  • Other airlines that operate out of the airport include Alaska Airlines, Delta Airlines, and Taos Air.

Fleet

Southwest operates a fleet of over 800 aircraft, making it the largest operator of Boeing 737s worldwide.

Southwest's fleet includes:

  • Boeing 737-700: Nearly 450 in service, each seating up to 143 passengers.
  • Boeing 737-800: Over 200 in service, each seating up to 175 passengers.
  • Boeing 737 MAX 8: More than 150 in service, with 200 more on order.

Frequently asked questions

What are Southwest Airlines cabin classes like?

Southwest Airlines offers two cabin classes - Economy and Business Select.

Economy Class

  • In-Flight Entertainment: Enjoy free in-flight entertainment, including films and TV shows.
  • Open Seating: Southwest's open-seating policy allows passengers to choose their seats upon boarding, eliminating the need for pre-selecting seats or rushing to check-in.

Economy Class Seats

  • Seat Dimensions: Pitch: 31-33 inches / Width: 17-17.8 inches / Recline: 2 inches
  • Comfort: Known for having some of the most comfortable economy seats among low-cost carriers, Southwest offers larger-than-average seats with enhanced cushion support and adjustable headrests.

Business Class (Business Select)

  • Priority Boarding: Business Select passengers receive guaranteed priority boarding, allowing them to choose their seats first in the open-seating environment.
  • Expedited Check-In: Fast-tracked lines for quicker security and check-in processes.
  • Complimentary Beverage: Passengers receive a premium drink voucher for use on the day of travel, including alcoholic beverages.

Business Class Seats

  • Seating: Business Select passengers enjoy the same comfortable seats as those in Economy Class, with the added benefits listed above.

What is Southwest's in-flight entertainment like?

Southwest Airlines offers many in-flight entertainment options to keep you entertained on your flight.

Free Live TV and Movies

  • Southwest gives you free access to live TV channels as well as a selection of the latest movies available to stream on your personal devices through Southwest's mobile app or web browser.

Wi-Fi

  • You can stay connected in the air with Southwest's Wi-Fi packages (for a small fee). You can browse the internet and check your emails, all while onboard!

Music and Podcasts

  • Music stations and podcasts are available to stream on your Southwest flight, as long as you have the Southwest app.

Free Messaging

  • You can make the most of Southwest's free in-flight messaging network (iMessage and WhatsApp), keeping you connecting with friends and family during your flight.

Does Southwest offer food onboard?

On your Southwest flight, you can expect complimentary snacks and beverages, but no full meal service.

The complimentary snacks offered may include pretzels or a snack mix. The complimentary non-alcoholic beverages offered may include soft drinks (like Coca Cola), water, coffee, tea and juice.

If you fancy an alcoholic drink on your Southwest flight, these are available to purchase from the in-flight menu.

Does Southwest have a frequent flyer programme?

Yes, Southwest Airlines has its own frequent flyer programme called 'Rapid Rewards'.

How to Earn Rapid Reward Points

Points are earned based on the cost of your Southwest ticket, not the distance travelled. For every US dollar spent on Southwest flights, you can earn points. The number of points per dollar will vary depending on the fare type:

  • Wanna Get Away: 6 points per dollar
  • Anytime: 10 points per dollar
  • Business Select: 12 points per dollar

You can also earn Rapid Reward points through Southwest's partners, including hotel stays, car rentals, dining and even shopping with Southwest's affiliated retailers!

How to Redeem Rapid Reward Points

You can redeem your Rapid Reward points for flights, with no restrictions on dates or seats. The number of points required for a flight will depend on the fare price - the more expensive flights will require more points.

Rapid Reward Tiers and Benefits

  • A-List: This is earned after 25 one-way qualifying flights or 35,000 tier qualifying points in one calendar year. Benefits include priority boarding, a 25% earning bonus and same-day standby.
  • A-List Preferred: You'll earn this tier after 50 one-way qualifying flights or 70,000 tier qualifying points in one calendar year. Benefits include a 100% earning bonus, free in-flight Wi-Fi and all of the benefits that come with A-List.
  • Companion Pass: Earned after 100 qualifying one-way flights or 135,000 tier qualifying points in one calendar year. With Companion Pass, you can designate one person to fly with you free of charge (excluding taxes and fees) each time you buy or redeem points for a flight.

Rapid Rewards is a great frequent flyer programme because your points won't expire, as long as your account is active! You can also use your points to book ANY available seat on ANY Southwest flight without worrying about blackout dates.

Find out more about Southwest Airlines' Rapid Rewards programme here.

Where does Southwest Airlines fly internationally?

Southwest Airlines flies to more than 10 international destinations including Aruba, Bahamas, Belize, Cayman Islands, Costa Rica, Cuba, Dominican Republic, Jamaica, Mexico, Puerto Rico, and the Turks and Caicos Islands.

To begin your search for Southwest international flights, use the search form at the top of the page.

Can I book flights for an unaccompanied minor with Southwest?

Yes, you can, Alternative Airlines makes it easy and straightforward to book flights for an Unaccompanied Minor or Young Traveller with Southwest Airlines. Take a look at our full guide to booking flights with Southwest for an unaccompanied minor.

How does Southwest Airlines seating work?

Southwest Airlines has an open seating policy, meaning seats are not assigned ahead of time. Passengers are split up into three boarding groups (A, B or C), along with a boarding position (1-60), which can be found on the boarding pass. This determines when you'll be able to board the plane and which seats you can choose from.

Can I buy Southwest Airlines refundable flights?

Yes! When you book through Alternative Airlines you can purchase Southwest Airlines refundable flights. With a Southwest refundable flight ticket, you can receive a full refund minus the cancellation fee.

Do Southwest Airways have discount codes?

Unfortunately, we don't offer Southwest discounts. But, don't panic! You can use the discount codes that we offer from our deals and discounts page on any of the flights available with Alternative Airlines, including Southwest.

We also have a variety of other ways to help you manage your finances to make it affordable to buy Southwest flights. At Alternative Airlines you can buy flights on finance. This means that you can slice the cost of your Southwest flight into easy and manageable repayments.

How do I cancel Southwest flights?

If you booked your Southwest Airlines flights at Alternative Airlines and wish to cancel your booking, you can do so via the Manage My Booking portal or by contacting our Customer Service team. Read our guide on how to cancel Southwest flights for more information.