Cheap Southwest Airlines flights Shreveport (SHV) to Washington (IAD)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Southwest Airlines round-trip flights from SHV to IAD. Affordable one-way tickets are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines flights to Washington are typically more affordable in the off-peak months of January and February. Whether you’re searching for a one-way or a return ticket, you could land a better deal then.

Search for cheap Southwest Airlines flights from Shreveport Regional Airport (SHV) to Washington Dulles Intl. Airport (IAD) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, click search and select “Nonstop” on Expedia to browse any direct flights from SHV to IAD with Southwest Airlines or another carrier.

To find the earliest departures from SHV to IAD with Southwest Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Washington Dulles Intl. Airport (IAD) is the primary Washington hub for Southwest Airlines flights from Shreveport Regional Airport (SHV).

Depending on the type of fare you purchased, a fee generally applies if you change or cancel your booking more than 24 hours after it’s confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes while looking for flights. To learn more about modifying or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”