Cheap flights from Washington, D.C. Dulles Intl Airport to the Dominican Republic from $129

In general, July is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Dominican Republic. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $435. If you are unable to visit Dominican Republic during the month of July, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $549.

The cheapest day to depart on your flight to Dominican Republic is on a Tuesday when prices can be found for as low as $647. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. Dulles Intl Airport to Dominican Republic on a Sunday will generally be more expensive and average around $693. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Dominican Republic from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $674 when looking at flights departing in the morning. Flights at noon are often more expensive with an average ticket price of $697.

Fly from Washington, D.C. Dulles Intl to Punta Cana for the best Washington, D.C. Dulles Intl - Dominican Republic flight prices

You are more likely to see cheaper flights to Dominican Republic from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dominican Republic for around $626 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dominican Republic from Washington, D.C. Dulles Intl Airport for as low as $481 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dominican Republic flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, United Airlines, and Air Canada are the most popular carriers operating from Washington, D.C. Dulles Intl to Dominican Republic

United Airlines, Frontier and Copa Airlines are the top three most popular airlines that fly to Dominican Republic from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Dominican Republic. Keep in mind that there are 7 different airlines that fly to Dominican Republic on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Washington, D.C. and Dominican Republic have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

As of February 2026, 1 flights take off from Washington, D.C. Dulles Intl Airport and land in Dominican Republic each day. The most common flight departure time for this route is 8:00AM, with 58% of daily flights taking off at noon.

The number of flights available between Washington, D.C. Dulles Intl Airport and Dominican Republic is 12 per week as of February 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.