฿6,645 Cheap Flights from Montreal (YUL) to Washington (IAD)

Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Montréal–Trudeau to Dulles Intl. Airport start from . Make your booking ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.

We get that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Montreal Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.

You won't have time for a movie marathon on this flight — it's only 790 kilometres from Dorval to Chantilly. Sit down, order a drink and you'll be there before you know it.

One airline that operates on the route from YUL to Dulles Intl. Airport is United Airlines (UA). It offers 60 flights monthly. After more options? Check out the fares with Air Canada (AC). This carrier offers 60 flights every month between these destinations.

Flight prices fluctuate, so not always. While last-minute flight deals between YUL and IAD are possible, it's also a good idea to monitor prices well before you fly. In fact, some carriers advertise their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so keep checking back and be ready to book when prices drop.