Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from Dulles Intl. Airport to Chennai Airport was €787. Cheap tickets don’t hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our 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 Dulles Intl. Airport to Chennai Airport flights, you’ll see a “no change fees” filter for you to select.

The distance is around 13,800 kilometres, so fill your carry-on bag with all the items you need to make your journey comfortable. Wondering what to take on board your Chantilly to Chennai flight? A travel pillow, earplugs and a sleep mask are a few essentials.

Direct flights aren’t available, so you’ll have to make at least one stop between IAD and Chennai Airport. Take advantage of the layover time to stretch your legs and enjoy some personal space.

Late planners can occasionally pick up a bargain, with some of the cheapest airfares from Washington Dulles Intl. Airport (IAD) to MAA cropping up a few weeks prior to the departure date. If you’d rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance.