$78 Cheap JetBlue Airways flights San Juan (SJU) to Washington (DCA)

Finding cheap one-way JetBlue Airways flights from SJU to DCA from $78 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $151 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.

Landing the best JetBlue Airways deals from SJU to DCA 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. What's more, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want 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.

Setting off from SJU at 6:10PM UTC-4, the first JetBlue Airways flight to DCA lands at 9:16PM UTC-5. Flying early means you'll be less likely to experience delays.* Don't like early starts? The last JetBlue Airways flight from SJU to DCA departs at 6:10PM UTC-4 and touches down at 9:16PM UTC-5.*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.