$358 Cheap Southwest Airlines flights Kahului (OGG) to Washington (IAD)

Finding cheap one-way Southwest Airlines flights from OGG to IAD from $358 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $720 for your next exciting getaway.**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 tend to be cheaper in the quieter months of January and February. Whether you need a return or one-way ticket, you could score a better deal then.

Look for cheap Southwest Airlines flights from Kahului Airport (OGG) to Washington Dulles Intl. Airport (IAD) one to three months ahead of 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 journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

To figure out if there’s a direct route from OGG to IAD with Southwest Airlines or any other airlines, use our “Nonstop” filter when searching for flights.

Search Southwest Airlines’s earliest flights from OGG to IAD by using the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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 main Washington gateway for Southwest Airlines flights from Kahului Airport (OGG).

Depending on the type of ticket you purchased, a fee will generally apply if you modify or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when searching for flights. For more information on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”