£82 Cheap Flights from Seattle (SEA) to Houston (IAH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Seattle (SEA) to Houston (IAH)

Prices were available within the past 7 days and start at £82 for one-way flights and £185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
JetBlue Airways

Find the cheapest month to fly from Seattle (SEA) to Houston (IAH)

October is typically the cheapest month to fly

From £85 - £192 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Houston route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines
Return price
£184
Distance
2994 km
Average flight time
6 hours 21 mins

Compare flights from Seattle to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Houston. Operating between them 23 flights per day, 20 airlines cover the route. And EVA Air, Qatar Airways, JAL, Alaska Airlines, Finnair, Hawaiian Airlines, Air Tahiti Nui, Asiana Airlines, United Airlines, Singapore Airlines fly direct, getting you to George Bush Intercontinental in just 8hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. 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 Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from Seattle 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 Seattle - Tacoma Intl. to George Bush Intercontinental start at just £185 and range up to £487.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. 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.  

Frequently asked questions

How much is a flight from SEA to IAH?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from SEA to IAH was £185. Fares this good don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to George Bush Intercontinental Airport (IAH)?
Most flights can be cancelled online, but every airline has its own 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 SEA to Houston Airport 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 Seattle - Tacoma Intl. Airport (SEA) to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to George Bush Intercontinental Airport (IAH)?
Expect to be in the air for a while, as the flight distance between SeaTac and Houston is 3,000 kilometres. Put together a playlist of your favourite songs before you leave home to keep yourself entertained during the trip.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to IAH?
United Airlines (UA) is a top choice. It offers 91 flights between Seattle - Tacoma Intl. Airport (SEA) and IAH each month. If you want more options, check out the fares from Alaska Airlines (AS). This airline offers 60 flights a month between these airports.
Are SEA to Houston Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get a fantastic last-minute deal from Sea-Tac Airport to IAH, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can be certain you're always getting the latest offers.

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