Cheap Southwest Airlines flights Sioux City (SUX) to Hartford (BDL)

Finding cheap one-way Southwest Airlines flights from SUX to BDL on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares for your next 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.

December is one of the cheapest months to travel to Hartford with Southwest Airlines. You could also find excellent prices on one-way and round-trip tickets in November.

Look for affordable Southwest Airlines flights from Sioux Gateway Airport (SUX) to Bradley Intl. Airport (BDL) one to three months prior to your departure date. 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 usually 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 SUX to BDL with Southwest Airlines or other airlines, check the “Nonstop” box when looking for flights.

Sort your results by “Early Morning” and “Morning” to browse the earliest departures from SUX to BDL. Heading off early means you’re 20% 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.

Bradley Intl. Airport (BDL) is the main Hartford gateway for Southwest Airlines flights from Sioux Gateway Airport (SUX).

Changes are typically free within 24 hours of booking, but your airline may charge you after that time. For further information about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without additional costs, check the “Changes included” or “No cancel fee” filter when planning your next break.