Airlines / Southwest Airlines
Southwest Airlines flights, routes and baggage fees
Where Southwest Airlines appears in EazAir's fare searches, what it charges for bags according to its own website, and the routes you can compare fares on.
175
routes on EazAir
23
departure cities
$45
first checked bag, each way
Included
carry-on on the lowest fare
Southwest Airlines on EazAir
Southwest Airlines offers 42 routes on EazAir, connecting travelers from 13 departure cities across the country. If you are planning a trip, you can find the most options from Detroit, which features 8 routes. Other popular starting points include Las Vegas and Seattle with 6 routes each, followed by Phoenix with 5 routes and Boston with 4 routes. You can explore a variety of flight paths such as Boston to Denver, Boston to Houston, Boston to Los Angeles, or Boston to Seattle.
When you use EazAir, you can easily compare fares for Southwest Airlines from different partner sites to find the right fit for your travel needs. It is important to know that EazAir does not sell tickets directly and adds no fee to the prices you find. This allows you to browse routes like Charlotte to Denver and Dallas to Charlotte with transparency. By comparing options in one place, you can see the available choices for your next journey without any extra service charges from our platform.
Southwest Airlines baggage fees
| Carry-on bag, basic economy | Included |
| Personal item | Included |
| First checked bag (domestic, each way) | $45 |
| Second checked bag (domestic, each way) | $55 |
Confirmed on southwest.com 27 Oct 2026: Basic fare, U.S. mainland, one-way, for travel booked or changed on or after 9 Apr 2026. Choice Extra fares and A-List Preferred get two free bags; A-List and Rapid Rewards credit cardmembers get the first bag free.
Source: Southwest Airlines official website, checked Oct 27, 2026. Baggage allowances differ significantly between fare classes (Basic/Light vs. Standard/Flex) and can change over time. Always verify the exact allowance for your specific fare with the airline before you fly.
Where Southwest Airlines flies from on EazAir
Routes where Southwest Airlines appeared in our fare searches, grouped by departure city. Open a route to compare current fares.
From Denver (15)
From Boston (14)
From Phoenix (14)
From Dallas (13)
From Las Vegas (13)
From Miami (12)
From Orlando (12)
From Seattle (12)
From Atlanta (10)
From New York (5)
From Houston (4)
From Sacramento (4)
From San Francisco (4)
From San Jose (3)
Frequently asked questions
How much does Southwest Airlines charge for checked bags?
On domestic US flights, Southwest Airlines's website lists $45 for the first checked bag and $55 for the second, per bag each way when paid online in advance (checked Oct 27, 2026). Fees can differ by fare type and route, so confirm on southwest.com before you fly.
Is a carry-on bag included in Southwest Airlines basic economy?
Yes. Southwest Airlines's website says its lowest fare includes a full-size carry-on bag as well as a personal item (checked Oct 27, 2026).
Which routes can I compare for Southwest Airlines on EazAir?
Southwest Airlines appears in our fare searches on 175 routes, most often from Denver, Boston, Phoenix, Dallas, Las Vegas. Open any route to compare current fares from our partner sites.
Does EazAir sell Southwest Airlines tickets?
No. EazAir compares fares from partner travel sites and sends you to the partner to book. We never add a fee, and the final price, baggage allowance and fare rules are confirmed on the partner's site.