
Popular airlines from George Bush Intercontinental Airport (IAH) to Washington Dulles International Airport (IAD)
- Frontier Airlines
Frontier Airlines
- United
United
- Delta
Delta
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Plan, book, fly with confidence
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Cheap Flights from Houston (IAH) to Washington (IAD)
Prices were available within the past 7 days and start at £110 for one-way flights and £223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Houston (IAH) to Washington (IAD)
March is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | George Bush Intercontinental |
Destination airport | Washington Dulles Intl. |
Airlines serving | Alaska Airlines |
Return price | £222 |
Distance | 1903 km |
Average flight time | 5 hours 14 mins |
Compare flights from Houston to Washington easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Washington. Operating between them 17 flights per day, 20 airlines cover the route. And Avianca, Emirates, Brussels Airlines, Swiss, Air New Zealand, United Airlines fly direct, getting you to Washington Dulles Intl. in just 3hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Washington Dulles Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from George Bush Intercontinental (IAH) to Washington Dulles Intl. (IAD)
The easiest way to view the best deals on flights from Houston to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Washington Dulles Intl. start at just £223 and range up to £377.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Houston and Washington
- booking your flight during September, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Houston to Washington flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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