S$258 Cheap Flights from Montreal to Washington

If you're travelling from Montréal–Trudeau to DCA, round-trip flights start from S$479. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.

We get that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your trip 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 Montréal–Trudeau to National Airport flights, you'll see a "no change fees" filter for you to select.

The distance from Pierre Elliott Trudeau Intl. Airport (YUL) (YUL) to National Airport (DCA) is just 780 kilometres. You'll be disembarking the plane and grabbing your bags from the carousel in the blink of an eye.

Check out the deals on offer with Air Canada (AC) if you want to fly directly from Pierre Elliott Trudeau Intl. Airport (YUL) to DCA. This top carrier offers 91 monthly flights, so you're sure to find one that fits your travel schedule.

Flight prices from Montréal–Trudeau to DCA are available up to a year prior to departure on Expedia. And although you may occasionally score a great last-minute deal, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.