How much does it cost to fly round-trip from Houston to Seattle?

Airfare is below average for this route at the moment. Houston to Seattle flights typically cost between $277 and $499 in December. The cheapest round-trip price found within the last 3 days was $182 on Frontier (Dec 4-Dec 11).

How long is the flight from Houston to Seattle?

Departing from Houston to Seattle will take you 4h 59m. The distance from Houston to Seattle is about 1871 mi. All flights are typically nonstop.

What are the cheapest airlines flying from Houston to Seattle round-trip?

Currently priced at $107, Spirit Airlines will fly you from Houston to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $130 and $138, respectively. Users have found that Spirit Airlines is 70% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Houston to Seattle one-way?

$105 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $119 and $119, respectively.

How far ahead should I book a flight from Houston to Seattle?

The price you pay for your flight from Houston to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston to Seattle?

Currently, June is the cheapest month in which you can book a flight from Houston to Seattle (average of $138). Flying from Houston to Seattle in July is currently the most expensive (average of $208). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Houston to Seattle?

Travelers seeking maximum savings on their Houston to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from Houston to Seattle?

Consider Alaska Airlines, United Airlines or Hawaiian Airlines when booking your flight. These represent the most popular airlines when flying from Houston to Seattle.

Where are the most common layover locations when flying from Houston to Seattle?

Houston to Seattle flights have a layover in Dallas most of the time.

Where are the least popular layover locations for Houston to Seattle flights?

Houston to Seattle flights that have layovers will least frequently stop in Denver.

What are some popular things to do or see while on a layover in Dallas?

If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dallas World Aquarium, or Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $57 to make sightseeing during their layover a little easier.

What is the cheapest time of day to fly from HOU to SEA?

A simple way to save on the total cost of your ticket is to fly from Houston to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.

Most accurate provider : When it comes to deals on Houston-Seattle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Houston-Seattle flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Houston-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Houston-Seattle flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Seattle from Houston?

Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Houston. On average, Seattle/Tacoma Intl has 0 inbound flights from Houston per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Can I find deals for flights from Houston to Seattle that include hotel bookings?

Yes. In addition to deals on Houston to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Seattle.

Can I find deals for business class flights from Houston to Seattle?

Yes. Cheapflights offers flight deals from Houston to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$100+ Cheap Flights from Houston to Seattle

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$182 (Kiwi.com)
One-way from	$100 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$367

United's Economy Plus offers extra legroom, enhancing comfort for medium-haul flights.

United's Polaris Lounges offer showers and dining, ideal for premium passengers.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$107	Average$209	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$130	Average$239	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$138	Average$276	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$184	Average$452	FlexibilityNo cancel fee	On-time71%
Hawaiian Airlines	Cheapest$186	Average$384	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$187	Average$419	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$222	Average$395	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$240	Average$442	FlexibilityNo cancel fee	On-time69%

$100+ Cheap flights from Houston to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Houston to Seattle/Tacoma Intl are usually found in October or September, booked 70 days in advance, depart on a Monday or Wednesday and return on a Monday

Find flight deals from Houston to Seattle

Cheapest flights from Houston to SeattleExplore the most affordable flight options available from Houston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2025.

Explore the most affordable flight options available from Houston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2025.

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Best time to book a flight from Houston to Seattle

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Everything you need to know about your flight from Houston to Seattle

How far ahead should I book a flight from Houston to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Seattle. Price data was last updated on November 7, 2025.

What is the cheapest month to book a flight from Houston to Seattle?

What is the cheapest time of day to fly from HOU to SEA?

Find hourly flight availability from Houston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 9, 2025.

What is the cheapest day to fly from Houston to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Houston to Seattle. Price data was last updated on December 16, 2024.

How much does it cost to fly round-trip from Houston to Seattle?

The best insider tips for Houston to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Seattle trip

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Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines, and United Airlines from Houston to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Houston to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Seattle from Houston?

How long is the flight from Houston to Seattle?

What are the cheapest airlines flying from Houston to Seattle round-trip?

What are the cheapest airlines to fly from Houston to Seattle one-way?

Where are the most common layover locations when flying from Houston to Seattle?

What are some popular things to do or see while on a layover in Dallas?

Where are the least popular layover locations for Houston to Seattle flights?

Can I find deals for flights from Houston to Seattle that include hotel bookings?

How can I find direct flights from Houston to Seattle?

Can I find deals for business class flights from Houston to Seattle?

What is the cheapest month to book a flight from Houston to Seattle?

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Cheapest flights from Houston to Seattle
Explore the most affordable flight options available from Houston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2025.