CA $163 Cheap Flights from Seattle (SEA) to Houston (HOU)

View CA $163 flight on Sat, Oct. 25, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Houston William Hobby Airport (HOU)

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Cheap flights from Seattle (SEA) to Houston (HOU)

Prices were available within the past 7 days and start at CA $163 for one-way flights and CA $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep. 20 - Wed, Sep. 24
SEA
Seattle
HOU
Houston
CA $324 Roundtrip, found 6 days ago
CA $324
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep. 20 from Seattle to Houston, returning Wed, Sep. 24, priced at CA $324 found 6 days ago

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

September is typically the cheapest month to fly

From CA $161 - CA $395 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Houston (SEA - IAH) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta
Roundtrip price
CA $297
Distance
2994 km
Average flight time
4 hours 20 mins

Seattle to Houston Flights

The easy way to book your flights from Seattle to Houston 

With Expedia, it’s simple to find and book flights to Houston from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to William P. Hobby, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to William P. Hobby, HOU 

Sort your search results by price to find great deals on your flight from Seattle to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Seattle currently is just CA $324 rising to CA $324.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

Frequently asked questions

How much is a flight from SEA to William P. Hobby Airport?
Pack your bags, because round-trip flights from Sea-Tac Airport to HOU start from CA $324. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport?
We get that things crop up unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) that have flexible change policies?
Flights from Seattle - Tacoma Intl. Airport (SEA) to HOU offering flexible change policies are available with many airlines. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between the two flights, with no extra fees to worry about.
How many hours is the flight from Sea-Tac Airport to William P. Hobby Airport?
There are lots of ways to make the 5 hours and 39 minutes between SEA and William P. Hobby Airport go by quicker. Be productive and organize your camera roll or clear out all those backed-up emails. A snooze also helps pass the time!
How far is the flight from Sea-Tac Airport to William P. Hobby Airport (HOU)?
The flight distance between Sea-Tac Airport and HOU is 3,000 kilometres. Bring a snack, a drink and a good movie. Keep yourself entertained and the time will fly by.
Which airlines fly direct from SEA to William P. Hobby Airport (HOU)?
Check out the deals on offer with Sun Country Airlines (SY) if you want to travel directly from Sea-Tac Airport to HOU. This top airline offers 0 monthly flights, so you're sure to find one that suits your schedule.
Are Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to HOU at the last minute could save you some serious cash. However, it could end up costing a good deal more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

Houston nearby Airports

Houston

Seattle to George Bush Intercontinental
CA $296.80
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to Expedia members.