Cheap flights from Washington, D.C. Dulles Intl Airport to Detroit from $98

The cheapest month to fly to Detroit from Washington, D.C. Dulles Intl Airport is in October. Flight prices, which tend to average around $244, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in October, then September is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Detroit during September average around $260.

On average, the least expensive day to fly to Detroit from Washington, D.C. Dulles Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $328. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Detroit for around $501.

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Detroit when you can find flight prices for as low as $319. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $380 on average. Flights to Detroit from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Dulles Intl to Detroit Metropolitan Wayne County for the best Washington, D.C. Dulles Intl - Detroit flight prices

You are more likely to see cheaper flights to Detroit from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Washington, D.C. Dulles Intl Airport for as low as $230 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Detroit flight.

Delta and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Detroit

United Airlines, Delta and Frontier are the top three most popular airlines that fly to Detroit from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 3 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 20 flights per day flying from Washington, D.C. Dulles Intl Airport to Detroit. The most common time of day flights depart is 5:00PM, with 51% of flights taking off in the afternoon.

The number of flights available between Washington, D.C. Dulles Intl Airport and Detroit is 141 per week as of July 2026. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.