Cheap Southwest Airlines flights Vilnius (VNO) to Washington (IAD)

Finding cheap one-way Southwest Airlines flights from VNO to IAD on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares for your next adventure.**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.

Search for return or one-way flights to Washington in January or February. You could find cheaper fares with Southwest Airlines during these off-peak months.

Getting the best Southwest Airlines deals from VNO to IAD is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before your departure date.*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.

Click on the “Nonstop” filter when looking for direct Southwest Airlines flights from VNO to IAD. It’s also an easy way to compare other carriers servicing the same nonstop route.

Search Southwest Airlines’s earliest flights from VNO to IAD by checking the “Early Morning” and “Morning” filters. Not only will you arrive 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.

Southwest Airlines flights from Vilnius Intl. Airport (VNO) to Washington arrive at Washington Dulles Intl. Airport (IAD). This is the main entry point here.

Depending on the type of ticket you purchased, a fee will generally apply if you cancel or change your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while looking for flights. For more details on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”