Cheap flights from Seattle to Houston from C$ 243

If you don’t want to visit Houston George Bush Intcntl Airport in January, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 488.

The cheapest day to depart on your flight to Houston George Bush Intcntl Airport is on a Saturday when prices can be found for as low as C$ 473. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 1,239. These prices are subject to change though, so be sure to set up a Price Alert for flights to Houston George Bush Intcntl Airport.

Flying to Houston George Bush Intcntl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 473 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around C$ 1,110. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Seattle/Tacoma Intl to Houston George Bush Intcntl for the best Seattle/Tacoma Intl - Houston George Bush Intcntl flight prices

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around C$ 588 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Seattle for as low as C$ 406 on momondo.

There are 4 cabin classes available to choose from on Seattle to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 57% on your flight if you consider stops on a Seattle to Houston George Bush Intcntl Airport flight.

As of September 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 65% more expensive when compared to flights at the same time last year.

As of September 2026, there are 9 flights per day flying from Seattle to Houston George Bush Intcntl Airport. The most common time of day flights depart is 5:00p.m., with 55% of flights taking off in the afternoon.

The number of flights available between Seattle and Houston George Bush Intcntl Airport is 64 per week as of September 2026. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.