£139 Cheap Flights from Washington (WAS) to Houston (IAH)

View £139 flight on Wed, 16 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £139 for one-way flights and £257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 10 Jun - Tue, 16 Jun
DCA
Washington
IAH
Houston
£257 Return, found 5 days ago
£257
Return
found 5 days ago
Select Delta flight, departing Wed, 10 Jun from Washington to Houston, returning Tue, 16 Jun, priced at £257 found 5 days ago
JetBlue Airways
Wed, 22 Jul - Fri, 7 Aug
DCA
Washington
IAH
Houston
£276 Return, found 5 days ago
£276
Return
found 5 days ago
Select JetBlue Airways flight, departing Wed, 22 Jul from Washington to Houston, returning Fri, 7 Aug, priced at £276 found 5 days ago
JetBlue Airways
Wed, 16 Sept - Wed, 30 Sept
BWI
Baltimore
IAH
Houston
£278 Return, found 3 days ago
£278
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 16 Sept from Baltimore to Houston, returning Wed, 30 Sept, priced at £278 found 3 days ago
Delta
Sat, 25 Jul - Tue, 4 Aug
DCA
Washington
IAH
Houston
£278 Return, found 5 days ago
£278
Return
found 5 days ago
Select Delta flight, departing Sat, 25 Jul from Washington to Houston, returning Tue, 4 Aug, priced at £278 found 5 days ago
Delta
Wed, 10 Jun - Thu, 18 Jun
DCA
Washington
IAH
Houston
£280 Return, found 5 days ago
£280
Return
found 5 days ago
Select Delta flight, departing Wed, 10 Jun from Washington to Houston, returning Thu, 18 Jun, priced at £280 found 5 days ago
JetBlue Airways
Fri, 21 Aug - Mon, 24 Aug
DCA
Washington
IAH
Houston
£280 Return, found 3 days ago
£280
Return
found 3 days ago
Select JetBlue Airways flight, departing Fri, 21 Aug from Washington to Houston, returning Mon, 24 Aug, priced at £280 found 3 days ago
JetBlue Airways
Thu, 20 Aug - Tue, 1 Sept
BWI
Baltimore
IAH
Houston
£282 Return, found 3 days ago
£282
Return
found 3 days ago
Select JetBlue Airways flight, departing Thu, 20 Aug from Baltimore to Houston, returning Tue, 1 Sept, priced at £282 found 3 days ago
American Airlines
Thu, 20 Aug - Tue, 1 Sept
BWI
Baltimore
IAH
Houston
£292 Return, found 3 days ago
£292
Return
found 3 days ago
Select American Airlines flight, departing Thu, 20 Aug from Baltimore to Houston, returning Tue, 1 Sept, priced at £292 found 3 days ago
United
Thu, 20 Aug - Tue, 1 Sept
BWI
Baltimore
IAH
Houston
£374 Return, found 3 days ago
£374
Return
found 3 days ago
Select United flight, departing Thu, 20 Aug from Baltimore to Houston, returning Tue, 1 Sept, priced at £374 found 3 days ago
Alaska Airlines
Wed, 16 Sept - Wed, 30 Sept
BWI
Baltimore
IAH
Houston
£518 Return, found 3 days ago
£518
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 16 Sept from Baltimore to Houston, returning Wed, 30 Sept, priced at £518 found 3 days ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from £343
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from £343

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 £257. 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 cancelled 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 1,950 kilometres 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 favourite with many travellers, 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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
George Bush Intercontinental
Return price
£256
Distance
1929 km

Book with confidence

Compare flights from Washington to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Houston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George Bush Intercontinental in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from WAS-All Airports to George Bush Intercontinental.  

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 WAS-All Airports (WAS) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from Washington to Houston 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 WAS-All Airports to George Bush Intercontinental start at just £257 and range up to £518.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Houston
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from WAS-All Airports to George Bush Intercontinental 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.  

Compare flights from Washington to Houston easily and book with confidence

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