Cheap flights from Seattle to Houston from C$ 238

If you don’t want to visit Houston George Bush Intcntl Airport in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 454.

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 Tuesday because tickets tend to average around C$ 1,006. 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$ 468 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 911. 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$ 546 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$ 325 on momondo.

There are 2 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 39% on your flight if you consider stops on a Seattle to Houston George Bush Intcntl Airport flight.

As of June 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

As of June 2026, there are 10 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 52% of flights taking off in the afternoon.

The number of flights available between Seattle and Houston George Bush Intcntl Airport is 72 per week as of June 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.