€136 Cheap Flights Washington to Houston (IAD-HOU)

Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from IAD to William P. Hobby Airport (HOU) start from €269. Make your booking ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.

Most flights can be conveniently cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.

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 Washington Dulles Intl. Airport (IAD) to HOU flights, you'll see a "no change fees" filter for you to select.

It takes roughly 4 hours and 46 minutes to fly from IAD (IAD) to HOU (HOU). But with your favourite playlist and an interesting book, the time will go by quicker.

It's around 1,950 kilometres between IAD and HOU, so you'll be up in the air for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a thrilling novel.

At present, no airlines offer direct flights from IAD to William P. Hobby Airport (HOU). You'll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare well in advance.

Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from Washington Dulles Intl. Airport (IAD) to William P. Hobby Airport popping up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.