$496 Cheap Flights from Exeter (EXT) to Washington (IAD)

Grab a cheap one-way flight from $496 or cheap return flight $1,084 from Exeter Intl. Airport (EXT) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.

August is the least expensive month to fly from EXT to IAD. Traveling during an off-peak travel window is often the key to better flight prices.

Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest EXT to IAD flight.

You'll need to hop on a flight with a layover if you're traveling from Exeter Intl. Airport (EXT) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.

Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, carrier and other factors.

*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.

To avoid potential delays on the Exeter Intl. Airport (EXT) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.*

*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Booking your ticket from EXT to IAD right before your trip is generally more expensive. However, if you're flexible with your travel times and dates, you could score a cheap last-minute fare.

Booking an EXT to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.

If you booked your EXT to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.