$66 Cheap Flights from Washington (WAS) to Houston (IAH)

Popular airlines from Washington to Houston, TX (IAH-George Bush Intercontinental)

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Cheap Flights from Washington to Houston (WAS-IAH)

Prices were available within the past 7 days and start at $66 for one-way flights and $132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
United
Frontier Airlines
JetBlue Airways

Frequently asked questions

How much is a flight from Washington, DC (WAS-All Airports) to Houston Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Washington, DC (WAS-All Airports) to IAH start from $132. Book now to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington, DC (WAS-All Airports) to IAH?
Most flights can be canceled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Washington, DC (WAS-All Airports) to IAH that have flexible change policies?
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, DC (WAS-All Airports) to George Bush Intercontinental Airport (IAH) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Washington, DC (WAS-All Airports) to George Bush Intercontinental Airport (IAH)?
It’s around 1212 mi between Maryland and Houston, so expect to be strapped into your seat for a while. Keep yourself entertained by packing things like your e-reader or the latest bestseller.
Which airlines fly direct from Washington, DC (WAS-All Airports) to IAH?
A favorite with many travelers, United Airlines (UA) operates 330 monthly flights from Washington, DC (WAS-All Airports) to IAH. Pick the one that fits with your travel plans and book your seat today.
Are Washington, DC (WAS-All Airports) to George Bush Intercontinental Airport (IAH) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington, DC (WAS-All Airports) to George Bush Intercontinental Airport (IAH) last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you’d rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
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