Cheap flights from District of Columbia to Caribbean Islands from $86

The month of July is, on average, the cheapest month to fly to Caribbean Islands from District of Columbia, with most prices found around $294. The month of May is another great option to travel to Caribbean Islands, with average flight prices from District of Columbia averaging around $297.

The cheapest day to depart from District of Columbia to Caribbean Islands is on a Sunday. Travelers who choose to depart for Caribbean Islands on a Sunday will often find tickets for as low as $337. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $485. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

According to our data, the cheapest time of day to fly to Caribbean Islands is at noon. momondo users have found flights departing from District of Columbia to Caribbean Islands at noon for as low as $238. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $436. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl for the best District of Columbia - Caribbean Islands flight prices

You are more likely to see cheaper flights to Caribbean Islands from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from District of Columbia for as low as $339 on momondo.

There are 4 cabin classes available to choose from on District of Columbia to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, American Airlines, and Delta are the most popular carriers operating from District of Columbia to Caribbean Islands

United Airlines, Spirit Airlines and Frontier are the top three most popular airlines that fly to Caribbean Islands from District of Columbia according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 10 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 12 flights per day flying from District of Columbia to Caribbean Islands. The most common time of day flights depart is 8:00AM, with 70% of flights taking off at noon.

As of February 2026, 89 flights take off from District of Columbia and land in Caribbean Islands each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.