Cheap flights from Houston to Seattle from $86
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Seattle departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Houston to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Houston and Seattle?
What is the cheapest month to fly to Seattle?
In general, September is the cheapest month to fly from Houston to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. If you don’t want to visit Seattle in September, then you should wait until October to fly from Houston, when ticket prices are also cheap, with an average price of $321.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Houston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $388. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $417.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $470 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $518. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Houston to Seattle/Tacoma Intl flight route?
Fly from Houston George Bush Intcntl to Seattle/Tacoma Intl for the best Houston - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Houston when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $373 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Houston for as low as $323 on momondo.
What cabin class options are available on Houston to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Houston 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.
What is the cheapest airline that flies from Houston to Seattle/Tacoma Intl?
Spirit Airlines, Frontier, and Hawaiian Airlines are the most popular carriers operating from Houston to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Seattle from Houston according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Houston to Seattle on average per day?
The number of flights available between Houston and Seattle is 15 per day as of June 2025. The most frequent departure time is 9:00AM, with 54% of daily flights leaving at noon.
How many flights depart from Houston to Seattle on average per week?
As of June 2025, 111 flights take off from Houston and land in Seattle each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.
Cheap Houston to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to Seattle
How far is Houston to Seattle/Tacoma Intl by plane?
A flight from Houston to Seattle/Tacoma Intl will travel around 1888.8 mi. A reasonable flight in good conditions will take 4h 35m.
When did momondo last update prices for flights from Houston to Seattle/Tacoma Intl Airport?
Prices for flights from Houston to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Houston to Seattle/Tacoma Intl Airport is 8 as of June 2025.
How old do you have to be to fly from Houston to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Houston to Seattle
Compare and see reviews for airlines that fly from Houston to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $129 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $190 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Houston to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Houston to Seattle with flexible booking policies on momondo?
Flights from Houston to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Houston to Seattle?
momondo helps you find the best flight between Houston and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Houston to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.