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C$105 Cheap Flights from Houston (HOUA) to Seattle (SEAA)

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Flight deals from Houston to Seattle

Looking for a cheap last-minute deal or the best return flight from Houston to Seattle? If you want to travel next month, return fares start from C$185. Find the lowest prices on one-way and return tickets right here.
Seattle.C$105 per passenger.Departing Mon., May 4.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon., May 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$105, select.
Seattle.C$118 per passenger.Departing Thu., Apr. 30.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu., Apr. 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$118, select.
Seattle.C$119 per passenger.Departing Sat., Jun. 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat., Jun. 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$119, select.
Seattle.C$153 per passenger.Departing Wed., Jul. 8.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed., Jul. 8, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$153, select.
Seattle.C$168 per passenger.Departing Mon., Aug. 10.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon., Aug. 10, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$168, select.
Seattle.C$233 per passenger.Departing Sat., Jun. 6.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Sat., Jun. 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$233, select.
Seattle.C$233 per passenger.Departing Wed., May 6.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Wed., May 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$233, select.
Seattle.C$270 per passenger.Departing Tue., Aug. 18.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Tue., Aug. 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$270, select.
Seattle.C$276 per passenger.Departing Thu., Apr. 30.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu., Apr. 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$276, select.
Seattle.C$286 per passenger.Departing Wed., Sep. 30.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Wed., Sep. 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$286, select.
Seattle.C$286 per passenger.Departing Sat., Jul. 4.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Sat., Jul. 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$286, select.
Seattle.C$287 per passenger.Departing Tue., Dec. 15.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Tue., Dec. 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$287, select.
Seattle.C$302 per passenger.Departing Mon., Oct. 12.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Mon., Oct. 12, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$302, select.
Seattle.C$329 per passenger.Departing Mon., Jan. 18.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Mon., Jan. 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$329, 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 May.
Apr.
from C$118
May
from C$105
Jun.
from C$119
Jul.
from C$153
Aug.
from C$168
Sep.
from C$286
Oct.
from C$302
Nov.
Find prices
Dec.
from C$287
Jan.
from C$329
Feb.
Find prices
Mar.
Find prices

Which airlines fly 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.

Seattle Lake Union SPB

2km from central Seattle
Closest
from C$409
Search flights

Seattle Boeing Fld

11km from central Seattle
from C$419
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from C$105
Search flights

Paine Field

33km from central Seattle
from C$204
Search flights

Houston to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$105
Cheapest month to flyMay
Average flight time4 hrs, 45 mins
Most popular airlineUnited
Average flights per week89

Finding cheap flights from Houston to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Houston to Seattle is C$185. 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.
4 hours and 44 minutes is the average flight time from Houston to Seattle.
United, Qatar Airways and Alaska Airlines fly direct from Houston to Seattle.
As of April 2026, there are 89 flights per week flying from Houston to Seattle.
The cheapest month to fly from Houston to Seattle is usually May.
If you're flying from Houston, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$185.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Seattle on Tuesday, May 5, 2026.
Yes – the average flight time is 4 hours and 44 minutes.
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.
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.
In April, the average temperature is usually around 8°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.
The cheapest airline that flies to Seattle is Frontier Airlines. And the cheapest airline that flies to Seattle Boeing Fld Airport is Alaska Airlines.

Flying from Houston to Seattle: what you need to know

  • Begin your journey at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to Seattle jetting off from either of these.

  • Get off the plane at Seattle-Tacoma International Airport (SEA). This is how most airline passengers arrive in Seattle.

  • The average length of a direct flight from Houston to Seattle is 4 hours 44 minutes. Seattle's timezone is UTC-7, making Seattle 2 hours behind Houston.

  • The busiest route for flights from Houston to Seattle is from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA). You can choose from 55 services every week between these two airports. If you'd like to head off first thing, the earliest flight from IAH to SEA is the 06:00 Alaska Airlines service. If you prefer to travel later, the last departure is at 20:15 with United Airlines.

  • To ensure you catch your flight from Houston to Seattle, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Travelling during a peak period like public or school holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Once you've found cheap flights from Houston to Seattle, get your travel documents ready. A visa or passport isn't necessary since you're travelling within United States. As long as you have another valid proof of identity, such as an ID card or driver's licence, you're all set.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • You can get a direct flight from Houston to Seattle taking off from George Bush Intercontinental Airport (IAH). Start your trip at IAH and end it at Seattle-Tacoma International Airport (SEA).

  • Book your direct flight from Houston to Seattle with United Airlines. This popular airline offers services from IAH.

  • Stopovers are the ideal opportunity to take a break from travelling — and maybe even tour another city. When searching for flights from Houston to Seattle leaving from George Bush Intercontinental Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Dallas/Fort Worth International Airport (DFW)

    • Denver International Airport (DEN)

    • Austin-Bergstrom International Airport (AUS)

  • IAH is about 27 kilometres from central Houston. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 49 minutes.

  • After an easy start to your vacation? Stay near George Bush Intercontinental Airport. Whether you have an early flight from Houston to Seattle or just don't want to be rushed, these hotels are perfect:

William P. Hobby Airport (HOU)

  • Split up your flight from Houston to Seattle with a stop so you can stretch your legs or cross a new place off your list. Some popular stopovers between George Bush Intercontinental Airport and Seattle include:

    • Dallas/Fort Worth International Airport (DFW)

    • Denver International Airport (DEN)

    • Austin-Bergstrom International Airport (AUS)

  • HOU is around 19 kilometres from central Houston. It'll take you 22 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 1 hour and 42 minutes.

  • It's your vacation, so why not extend it with an additional night away? Consider kicking back in one of these accommodation options near William P. Hobby Airport the day before your flight from Houston to Seattle:

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 23 kilometres. It'll take you around 18 minutes to reach the centre driving.

  • It'll take around 54 minutes to get there using public transport.

  • If you're coming in on a late flight from Houston to Seattle, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near SEA:

Lake Union Sea Plane Base Airport (LKE)

How to find the cheapest flights from Houston to Seattle

  • The lowest price we've seen for a one-way ticket from Houston to Seattle is C$105. For a return flight on this route, the best price is C$185. Depending on when you book and the availability, these fares can change.

  • Book 10 months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap flights from Houston to Seattle.

  • Plan your trip for June. That's the cheapest month for tickets from Houston to Seattle. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest price across every month.

  • Getting a cheap ticket from Houston to Seattle couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has fallen.

  • Tailor your travel plans using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Houston to Seattle.

Best time to go to Seattle

  • July is the busiest month for flights from Houston to Seattle. To travel when it's less crowded, visit Seattle in May.

  • Book your flight from Houston to Seattle for August if you'd like to explore the city during its warmest month. You can expect temperatures in Seattle to range from 12ºC to 28ºC.

  • February has average temperatures of between -1ºC and 11ºC. Search for cheap flights from Houston to Seattle sometime around then if you like travelling in cooler conditions.

More about Seattle

  • Start your Seattle trip right by choosing the ideal place to stay. After booking your flight from Houston to Seattle, explore our range of hotels including:

  • There are so many things to explore in this city it can be tricky to work out where to begin. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are top sights which should be on any well-planned Seattle itinerary.

Complete your Seattle trip with a car rental

  • Check out our range of car rentals once you've found your hotel and cheap flight from Houston to Seattle. Whether you're looking for a compact ride, family sedan or even something that'll turn heads, you can compare companies in one go to find the best deal.

More travel options

Plan the rest of your trip from Houston to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.