$100 Cheap Delta flights Jacksonville (JAX) to Washington (IAD)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $191 from JAX to IAD. Affordable one-way fares from $100 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.

Look for return or one-way flights to Washington in January or February. You could find a cheap fare with Delta Air Lines during these off-season months.

To find cheap Delta Air Lines fares from Jacksonville Intl. Airport (JAX) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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 browsing for direct Delta Air Lines flights from JAX to IAD. It’s also a good way to compare other carriers offering the same direct route.

Filter your results by “Early Morning” and “Morning” to browse the earliest flights from JAX to IAD. Setting 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.

Washington Dulles Intl. Airport (IAD) is the main Washington gateway for Delta Air Lines flights from Jacksonville Intl. Airport (JAX).

Delta Air Lines makes traveling from JAX to IAD more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to modify or cancel your flight, although additional charges may apply if you booked more than 24 hours ago. Prefer to keep your options open? Apply the “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to alter your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more information.