Cheap flights from Houston George Bush Intcntl Airport to Seattle from $117

In general, October is the cheapest month to fly from Houston George Bush Intcntl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $290. If you don’t want to visit Seattle in October, then you should wait until September to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $311.

On average, the least expensive day to fly to Seattle from Houston George Bush Intcntl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $379. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Houston George Bush Intcntl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $593.

Flying to Seattle from Houston George Bush Intcntl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $449 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $532. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Houston George Bush Intcntl Airport for as low as $306 on momondo.

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

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Seattle.

As of April 2026, prices for Houston George Bush Intcntl Airport to Seattle flights are approximately 84% more expensive when compared to flights at the same time last year.

Alaska Airlines and United Airlines are the most popular carriers operating from Houston George Bush Intcntl to Seattle/Tacoma Intl

Alaska Airlines, United Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Houston George Bush Intcntl Airport according to our data. Alaska Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Houston and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $205.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 08m.

Denver (DEN) has the shortest average layover time for this route: 2h 11m.

The number of flights available between Houston George Bush Intcntl Airport and Seattle is 7 per day as of April 2026. The most frequent departure time is 4:00PM, with 50% of daily flights leaving in the afternoon.

49 flights are operational weekly from Houston George Bush Intcntl Airport to Seattle as of April 2026. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.