€77 Cheap Flights Washington to Houston (WAS-IAH)

View €77 flight on Sat, 13 Sep 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Washington to Houston (WAS-IAH)

Prices were available within the past 7 days and start at €77 for one-way flights and €204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 13 Sep - Sun, 14 Sep
BWI
Baltimore
IAH
Houston
€204 Return, found 1 day ago
€204
Return
found 1 day ago
Select American Airlines flight, departing Sat, 13 Sep from Baltimore to Houston, returning Sun, 14 Sep, priced at €204 found 1 day ago
Delta
Sat, 13 Sep - Sun, 14 Sep
BWI
Baltimore
IAH
Houston
€204 Return, found 1 day ago
€204
Return
found 1 day ago
Select Delta flight, departing Sat, 13 Sep from Baltimore to Houston, returning Sun, 14 Sep, priced at €204 found 1 day ago
Delta
Mon, 27 Oct - Sat, 1 Nov
BWI
Baltimore
IAH
Houston
€205 Return, found 3 days ago
€205
Return
found 3 days ago
Select Delta flight, departing Mon, 27 Oct from Baltimore to Houston, returning Sat, 1 Nov, priced at €205 found 3 days ago
United
Mon, 27 Oct - Sat, 1 Nov
IAD
Washington
IAH
Houston
€219 Return, found 3 days ago
€219
Return
found 3 days ago
Select United flight, departing Mon, 27 Oct from Washington to Houston, returning Sat, 1 Nov, priced at €219 found 3 days ago
United
Mon, 27 Oct - Sat, 1 Nov
IAD
Washington
IAH
Houston
€219 Return, found 3 days ago
€219
Return
found 3 days ago
Select United flight, departing Mon, 27 Oct from Washington to Houston, returning Sat, 1 Nov, priced at €219 found 3 days ago
Delta
Sat, 6 Sep - Sun, 7 Sep
IAD
Washington
IAH
Houston
€220 Return, found 11 hours ago
€220
Return
found 11 hours ago
Select Delta flight, departing Sat, 6 Sep from Washington to Houston, returning Sun, 7 Sep, priced at €220 found 11 hours ago
Delta
Mon, 27 Oct - Sat, 1 Nov
DCA
Washington
IAH
Houston
€228 Return, found 3 days ago
€228
Return
found 3 days ago
Select Delta flight, departing Mon, 27 Oct from Washington to Houston, returning Sat, 1 Nov, priced at €228 found 3 days ago
Delta
Sat, 6 Sep - Sun, 7 Sep
IAD
Washington
IAH
Houston
€228 Return, found 11 hours ago
€228
Return
found 11 hours ago
Select Delta flight, departing Sat, 6 Sep from Washington to Houston, returning Sun, 7 Sep, priced at €228 found 11 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
BWI
Baltimore
IAH
Houston
€229 Return, found 1 day ago
€229
Return
found 1 day ago
Select American Airlines flight, departing Sat, 13 Sep from Baltimore to Houston, returning Sun, 14 Sep, priced at €229 found 1 day ago
American Airlines
Mon, 27 Oct - Sat, 1 Nov
DCA
Washington
IAH
Houston
€232 Return, found 3 days ago
€232
Return
found 3 days ago
Select American Airlines flight, departing Mon, 27 Oct from Washington to Houston, returning Sat, 1 Nov, priced at €232 found 3 days ago

Find the cheapest month to fly from Washington (WAS) to Houston (IAH)

September is typically the cheapest month to fly

From €60 - €194 per traveller.

Graph displaying average flight prices per month

Baltimore to Houston route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
George Bush Intercontinental
Return price
€203
Distance
1974 km

Maryland to Houston Flights

When looking for plane tickets from Maryland to Houston, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Houston. Look for WAS to IAH airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Houston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Maryland Houston flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Maryland to Houston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Houston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Maryland to Houston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 €204. 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.

Explore a world of travel with Expedia

*Available to Expedia members.