Cheap flights from Houston to Seattle

Compare Houston to Seattle flight deals

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Flight deals from Houston to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Houston to Seattle? If you want to travel next month, round-trip fares start from $245. Find the lowest prices on one-way and round-trip tickets right here.

Seattle.$192 per passenger.Departing Tue, Aug 18, returning Mon, Aug 24.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Aug 18, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Mon, Aug 24, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $192, select.

Seattle.$214 per passenger.Departing Sat, Aug 29, returning Tue, Sep 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Sat, Aug 29, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Tue, Sep 1, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $214, select.

Seattle.$229 per passenger.Departing Wed, Sep 2, returning Wed, Sep 9.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Wed, Sep 2, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Sep 9, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $229, select.

Seattle.$240 per passenger.Departing Tue, Sep 22, returning Wed, Oct 7.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Sep 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Oct 7, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $240, select.

Seattle.$244 per passenger.Departing Tue, Jul 28, returning Wed, Aug 5.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Jul 28, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Aug 5, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $244, select.

Seattle.$245 per passenger.Departing Sat, Jul 25, returning Tue, Jul 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Sat, Jul 25, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Tue, Jul 28, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $245, select.

Seattle.$251 per passenger.Departing Thu, Oct 1, returning Wed, Oct 7.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Thu, Oct 1, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Wed, Oct 7, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $251, select.

Seattle.$287 per passenger.Departing Mon, Oct 26, returning Mon, Nov 2.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Mon, Oct 26, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Mon, Nov 2, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $287, select.

Seattle.$305 per passenger.Departing Tue, Nov 3, returning Fri, Nov 6.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Nov 3, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Fri, Nov 6, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $305, select.

Seattle.$343 per passenger.Departing Wed, Sep 23, returning Wed, Sep 30.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Houston Hobby on Wed, Sep 23, arriving in Seattle / Tacoma International.Inbound direct flight with Southwest Airlines departing from Seattle / Tacoma International on Wed, Sep 30, arriving in Houston Hobby.Price includes taxes and charges.From $343, select.

Seattle.$344 per passenger.Departing Fri, Jul 10, returning Sun, Nov 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Jul 10, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Sun, Nov 1, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $344, select.

Seattle.$358 per passenger.Departing Wed, Nov 11, returning Sat, Nov 14.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Wed, Nov 11, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Sat, Nov 14, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $358, select.

Seattle.$358 per passenger.Departing Wed, Sep 30, returning Tue, Oct 6.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Wed, Sep 30, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Tue, Oct 6, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $358, select.

Seattle.$358 per passenger.Departing Wed, Oct 7, returning Tue, Oct 13.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Wed, Oct 7, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Tue, Oct 13, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $358, select.

Seattle.$360 per passenger.Departing Wed, Aug 19, returning Sat, Aug 22.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Wed, Aug 19, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Sat, Aug 22, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $360, select.

Seattle.$361 per passenger.Departing Sat, Aug 29, returning Tue, Sep 1.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Sat, Aug 29, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Tue, Sep 1, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $361, select.

Find the cheapest month to fly from Houston to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Seattle flights are currently cheapest in August.

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Direct flights from Houston to Seattle

Alternative Houston to Seattle routes

Looking for the cheapest, fastest or easiest route from Houston to Seattle? You could fly into the following airports instead.

Houston to Seattle: Flight information

The things to know before you go.

Cheapest flight found	$192
Cheapest month to fly	August
Average flight time	4 hrs, 44 mins
Most popular airline	Qatar Airways
Average flights per week	111

Finding cheap flights from Houston to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are round-trip flights from Houston to Seattle?

The best price we found for a round-trip flight from Houston to Seattle is $192. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Houston to Seattle?

4 hours and 43 minutes is the average flight time from Houston to Seattle.

Which airlines fly direct from Houston to Seattle?

Qatar Airways, United and Alaska Airlines fly direct from Houston to Seattle.

How many flights are there a week from Houston to Seattle?

There are 111 flights per week flying from Houston to Seattle, as of June 2026.

When is the cheapest time to fly from Houston to Seattle?

The cheapest month to fly from Houston to Seattle is usually August.

What's the cheapest airport to fly to in Seattle?

If you're flying from Houston, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from $192.

Which upcoming date is cheapest to fly from Houston to Seattle on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Seattle on Tuesday, August 18, 2026.

Can I get a direct flight from Houston to Seattle?

Yes – the average flight time is 4 hours and 43 minutes.

How can I get the best flight deal from Houston to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly with from Houston to Seattle?

The cheapest airline that flies to Seattle is Frontier Airlines, and the cheapest airline that flies to Seattle Boeing Fld Airport is Southwest Airlines.

Traveling from Houston to Seattle: what you need to know

Kick off your travels at one of Houston's main airports, Houston George Bush Intercntl. Airport (IAH) or Houston Hobby Airport (HOU). Explore your options for booking a flight from Houston to Seattle taking off from either of these.
When it comes to touching down in Seattle, Seattle / Tacoma International Airport (SEA) is a primary hub. Another is Paine Field Airport (PAE).
Around 4 hours 45 minutes is how long you can expect to be in the air on a direct Houston to Seattle flight.
The timezone in Seattle is UTC-8, which is two hours behind Houston.
Houston George Bush Intercntl. Airport (IAH) to Seattle / Tacoma International Airport (SEA) is the most traveled route between these two cities. There are 37 departures a week to pick from. If you prefer starting your day later, the last flight from Houston to Seattle is with United Airlines at 20:13. Opt for the first IAH to SEA departure with Alaska Airlines at 06:00 to maximize your time in Seattle.
To ensure you don't miss your Houston to Seattle flight, leave plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.
During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're traveling during peak periods in general.

How to find the cheapest flights from Houston to Seattle

$96 is currently the lowest price for a one-way ticket from Houston to Seattle. Return flights start at $192. These fares may change depending on demand.
Book one month before you want to travel. Pricing trends show that this is the ideal window for finding cheap Houston to Seattle flights.
Organize your trip for June. That's the best month for scoring great bargains on plane tickets from Houston to Seattle. If you're flexible on when you fly, use the 'Whole month' tool to see the cheapest price across every month.
Locking in a cheap flight from Houston to Seattle couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when there's a better deal.
Tailor your travel plans using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' Houston to Seattle flights.

Flying from Houston

Houston George Bush Intercntl. Airport (IAH)

You can book a direct flight from Houston to Seattle departing from Houston George Bush Intercntl. Airport (IAH). Begin your journey at IAH and land at Seattle / Tacoma International Airport (SEA).
Keep an eye out for deals with United Airlines. This carrier offers direct Houston to Seattle plane tickets from IAH.
The journey from central Houston to IAH takes about 1 hour 10 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 26 kilometers in 30 minutes or so, depending on traffic conditions.
Want a relaxed start to your break? Stay near Houston George Bush Intercntl. Airport. Whether you have an early flight from Houston to Seattle or just don't want to be rushed, these hotels have you covered:
When it comes to the on-time performance of Houston George Bush Intercntl. Airport, 79% of flights complete their journey on time.
You'll find IAH at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

Rather start your trip at Houston Hobby Airport (HOU)? This popular hub offers direct flights from Houston to Seattle, seamlessly connecting you to Seattle / Tacoma International Airport (SEA).
Book your direct Houston to Seattle plane ticket with Southwest Airlines. This is one of the leading carriers operating this route out of HOU.
HOU is around 16 kilometers from central Houston. It'll take you 20 minutes or so to get to the airport driving from the city center. Public transport takes roughly 50 minutes.
You're going on vacation, so why not spend another night away? Think about checking in to one of these accommodation options near Houston Hobby Airport the day before your flight from Houston to Seattle:
Houston Hobby Airport has an on-time performance of 79%. This figure provides insight into how frequently flights departing from this airport reach their destination on schedule.
The address for HOU is 7800 Airport Boulevard.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

Seattle / Tacoma International Airport (SEA) is approximately 19 kilometers from central Seattle. If you're catching a cab or a ride-share, the drive takes around 25 minutes.
Traveling to the center by public transport will take you around 35 minutes.
If you're coming in on a late flight from Houston to Seattle, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and snoozing not long after at one of these hotels near SEA:
Grab a Seattle / Tacoma International Airport rental car and explore Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are leading providers to choose from here.
Reserving your ride from Seattle / Tacoma International Airport around one week ahead boosts your odds of scoring a great price.

Paine Field Airport (PAE)

The center of Seattle is located around 32 kilometers from Paine Field Airport (PAE). After your flight from Houston to Seattle has hit the runway and you've made your way to arrivals, the drive should be around 20 minutes.
If you choose to travel on public transport, you'll get to the city center in 40 minutes or so.
Hang the 'Do not disturb' sign on your door and relax at a hotel close to PAE. Here are a few options where you can settle in after your flight from Houston to Seattle:
Why wait around for public transport? A Paine Field Airport rental car lets you get moving right away. Roll down your windows and hit the open road with a set of wheels from Budget or Enterprise.
Avoid the long lines and paperwork at the rental desk by completing your booking beforehand. Reserve your ride from PAE a few weeks in advance so you can simply grab the keys and get going.

Seattle Boeing Fld Airport (BFI)

Set off for the city center after your flight from Houston to Seattle has arrived. Central Seattle is around 11 kilometers from Seattle Boeing Fld Airport (BFI) and takes roughly 20 minutes to reach by cab or ride-share.
The journey takes about 35 minutes if you use public transport.
Begin your journey without worrying about how to reach your destination with a Seattle Boeing Fld Airport rental car. Book your ideal wheels with reliable names here like Alamo, Budget and Avis.
Booking at least a few weeks in advance of your flight from Houston to Seattle is always smart. As well as better prices, you'll be able to choose the vehicle make and model you prefer at BFI.

Best time to go to Seattle

July is the most popular month for flights from Houston to Seattle. To avoid the crowds, head to Seattle in March.
When booking your Houston to Seattle tickets, think about the kind of weather forecast you're hoping for. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).
If you like cooler conditions, search for a cheap flight from Houston to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

Once you've booked your flight from Houston to Seattle, take your pick from prime hotels that put you close to the action. Make one of these options your base for exploring Seattle:
Every great vacation has to include some sightseeing. Space Needle, Pike Place Fish Market and The Museum of Flight are must-visits when exploring Seattle.

Explore more of the United States

Portland is just one of the many places in the United States waiting to be explored once you've taken in the sights of Seattle. Around 241 kilometers to the south, popular attractions include Portland Japanese Garden, Peninsula Park Rose Garden and International Rose Test Garden.
If you want to check out another major stop in the United States, head for Spokane, roughly 370 kilometers east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are the start of reasons to visit.