$303 Cheap United flights Washington (IAD) to Basseterre (SKB)

You can find cheap return United Airlines flights from $566 from IAD to SKB by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $303 for a one-way trip.**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.

September is one of the least expensive months to fly to Basseterre with United Airlines. You could also find great prices on return and one-way fares in October.

Landing the best United Airlines deals from IAD to SKB often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s a good idea to start checking out flights about one month before you plan to travel.*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 tick the “Nonstop” filter on Expedia to browse any direct flights from IAD to SKB with United Airlines or other carriers.

Find United Airlines’s earliest flights from IAD to SKB by checking our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% fewer 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.

United Airlines flights from Washington Dulles Intl. Airport (IAD) to Basseterre come in to land at Robert L. Bradshaw Intl. Airport (SKB). This is the main gateway to this destination.

Offering a rewarding loyalty program, United Airlines is a favorite of many passengers departing from IAD to SKB. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may add a charge after that time. For further information about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without additional charges, tick the “Changes included” and “No cancel fee” filters when planning your next escape.