Find Cheap Flights from Houston to Seattle (HOU - SEA)

Flights overview

Useful information for finding cheap flights from Houston to Seattle and booking your next trip

Cheapest round-trip flights	$210	Frontier 1 stop 11 hr Thu, Apr 23 — Wed, Apr 29	The cheapest round-trip flight from Houston to Seattle is currently $210
Cheapest one-way flight	$105	Frontier 1 stop 11 hr Wed, Apr 29	The cheapest one-way flight from Houston to Seattle is currently $105
Cheapest nonstop flights	$237	United Nonstop 5 hr Sat, Apr 25 — Sat, May 2	The cheapest nonstop round-trip flight from Houston to Seattle is currently $237
Last-minute weekend getaway	$460	Frontier 1 stop 15 hr Sat, Mar 14 — Sun, Mar 15	The cheapest last-minute weekend getaway from Houston to Seattle is currently $460
Cheapest business class flights	$438	Frontier 1 stop 29 hr Mon, Apr 27 — Wed, May 6	The cheapest business class round-trip flight from Houston to Seattle is currently $438

Fastest flight	4 hr 35 min	The fastest nonstop flight from Houston to Seattle takes 4 hr 35 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Houston to Seattle is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $145–260
July Most expensive	Typical prices: $245–345

Popular airlines from Houston to Seattle

Southwest

from $257

Typical price: $290–630

1479 weekly connecting flights

HOU - SEA Every day
United

Nonstop

from $237

Typical price: $265–610

19 weekly nonstop flights

IAH - SEA Every day

239 weekly connecting flights

IAH - SEA Every day
Alaska

Nonstop

from $287

Typical price: $275–670

14 weekly nonstop flights

IAH - SEA Every day

8 weekly connecting flights

IAH - SEA Every Mon, Tue, Wed, Thu, Fri, Sun
American

from $257

Typical price: $285–630

345 weekly connecting flights

HOU, IAH - SEA Every day
Delta

from $297

Typical price: $280–750

192 weekly connecting flights

HOU, IAH - SEA Every day
Frontier

from $210

Typical price: $200–430

28 weekly connecting flights

IAH - SEA Every day

Popular airports near Houston

George Bush Intercontinental Airport (IAH)

Houston United States 22 min 16 mi
William P. Hobby Airport (HOU)

Houston United States 22 min 9 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 51 min 237 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 2 hr 26 min 140 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi

Frequently asked questions about flying from Houston to Seattle

The cheapest flights from Houston to Seattle are usually in September. Typical ticket prices in September range from $145 to $260.

The cheapest round-trip flight from Houston to Seattle recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Houston to Seattle is $257, flying from May 2 to May 9.
The cheapest United flight from Houston to Seattle is $237, flying from Apr 25 to May 2.
The cheapest Alaska flight from Houston to Seattle is $287, flying from Apr 24 to May 2.
The cheapest American flight from Houston to Seattle is $257, flying from Apr 25 to May 2.
The cheapest Delta flight from Houston to Seattle is $297, flying from Apr 30 to May 6.
The cheapest Frontier flight from Houston to Seattle is $210, flying from Apr 23 to Apr 29.

The cheapest round-trip flight from Houston to Seattle starts at $210 from Thu, Apr 23 to Wed, Apr 29. The cheapest one-way flight starts at $105 and departs on Wed, Apr 29.

4 hr 35 min is the shortest flight time from Houston to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Houston to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Houston to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Houston to Seattle.

In terms of nonstop flights, United is the most popular. United offers 19 nonstop flights and 239 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) .

In terms of flights, Southwest is the most popular. Southwest offers 1,479 connecting flights per week. Southwest flies from William P. Hobby Airport (HOU) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Houston to Seattle are:

Alaska offers 14 nonstop flights and 8 connecting flights per week. Alaska flies from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) .
American offers 345 connecting flights per week. American flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) .
Delta offers 192 connecting flights per week. Delta flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) .
Frontier offers 28 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Houston and Seattle.

The cheapest round-trip flight from Houston to Seattle recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Houston to Seattle is $257, flying from May 2 to May 9.
The cheapest United flight from Houston to Seattle is $237, flying from Apr 25 to May 2.
The cheapest Alaska flight from Houston to Seattle is $287, flying from Apr 24 to May 2.
The cheapest American flight from Houston to Seattle is $257, flying from Apr 25 to May 2.
The cheapest Delta flight from Houston to Seattle is $297, flying from Apr 30 to May 6.
The cheapest Frontier flight from Houston to Seattle is $210, flying from Apr 23 to Apr 29.

United and Alaska fly direct from Houston to Seattle.

There are 19 United direct flights from Houston to Seattle per week. Flights are available every day.
There are 14 Alaska direct flights from Houston to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Houston and Seattle at price $460 is offered by Frontier from Sat, Mar 14 to Sun, Mar 15.

United and Alaska fly direct from Houston to Seattle.

There are 19 United direct flights from Houston to Seattle per week. Flights are available every day.
There are 14 Alaska direct flights from Houston to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Houston to Seattle on a daily basis.

The cheapest direct (nonstop) round-trip flights between Houston and Seattle start at $237 from Sat, Apr 25 to Sat, May 2 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Houston to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Houston and Seattle start at $438 from Mon, Apr 27 to Wed, May 6 with Frontier.

The cheapest economy class round-trip flights between Houston and Seattle start at $210 from Thu, Apr 23 to Wed, Apr 29.

To book business class trips from Houston to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Houston and Seattle starts at $460 from Sat, Mar 14 to Sun, Mar 15 with Frontier.

The cheapest last-minute deal between Houston and Seattle at price $460 is offered by Frontier from Sat, Mar 14 to Sun, Mar 15.

To find last-minute flight deals from Houston to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.