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Cheap Flights from Houston (IAH) to Seattle (SEAA)

Compare Houston George Bush Intercntl. to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Houston George Bush Intercntl. to Seattle

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to Seattle? If you want to travel next month, return fares start from $269. Find the lowest prices on one-way and return tickets right here.
Seattle.$268 per passenger.Departing Sat, 29 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 29 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $268, select.
Seattle.$269 per passenger.Departing Wed, 26 Aug, returning Sat, 29 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 26 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 29 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $269, select.
Seattle.$271 per passenger.Departing Tue, 1 Sep, returning Sat, 5 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 1 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 5 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $271, select.
Seattle.$350 per passenger.Departing Tue, 13 Oct, returning Tue, 20 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 13 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $350, select.
Seattle.$371 per passenger.Departing Sat, 7 Nov, returning Thu, 12 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 7 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 12 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $371, select.
Seattle.$372 per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 29 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 2 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $372, select.
Seattle.$383 per passenger.Departing Thu, 24 Sep, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 24 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 5 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $383, select.
Seattle.$452 per passenger.Departing Sat, 5 Sep, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 5 Sep, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Sun, 6 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $452, select.
Seattle.$494 per passenger.Departing Tue, 17 Nov, returning Thu, 26 Nov.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 17 Nov, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Thu, 26 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $494, select.
Seattle.$495 per passenger.Departing Sat, 22 Aug, returning Sat, 5 Sep.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 22 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Sat, 5 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $495, select.
Seattle.$520 per passenger.Departing Fri, 30 Oct, returning Mon, 2 Nov.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 30 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Mon, 2 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $520, select.
Seattle.$520 per passenger.Departing Thu, 26 Nov, returning Tue, 1 Dec.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 26 Nov, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Tue, 1 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $520, select.
Seattle.$535 per passenger.Departing Wed, 26 Aug, returning Sat, 29 Aug.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Wed, 26 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 29 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $535, select.
Seattle.$536 per passenger.Departing Tue, 13 Oct, returning Tue, 20 Oct.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 13 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $536, select.
Seattle.$536 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 29 Sep, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $536, select.
Seattle.$540 per passenger.Departing Wed, 17 Feb, returning Mon, 22 Feb.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 17 Feb, arriving in Seattle / Tacoma International.Inbound direct flight with United departs from Seattle / Tacoma International on Mon, 22 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $540, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Seattle flights are currently cheapest in August.
Jul
from $641
Aug
from $269
Sep
from $271
Oct
from $350
Nov
from $371
Dec
from $542
Jan
from $590
Feb
from $540
Mar
from $610
Apr
from $682
May
from $649
Jun
from $682

Direct flights from Houston George Bush Intercntl. to Seattle

Alternative Houston George Bush Intercntl. to Seattle routes

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

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
from $922
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from $269
Search flights

Paine Field

33km from central Seattle
from $417
Search flights

Houston to Seattle: Flight information

The things to know before you go.
Cheapest flight found$268
Cheapest month to flyAugust
Average flight time4 hrs, 47 mins
Most popular airlineQatar Airways
Average flights per week103

Finding cheap flights from Houston George Bush Intercntl. 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 George Bush Intercntl. to Seattle is $268. 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 47 minutes is the average flight time from Houston George Bush Intercntl. to Seattle.
Qatar Airways, United and Alaska Airlines fly direct from Houston George Bush Intercntl. to Seattle.
As of July 2026, there are 103 flights per week flying from Houston George Bush Intercntl. to Seattle.
The cheapest month to fly from Houston George Bush Intercntl. to Seattle is usually August.
If you're flying from Houston George Bush Intercntl. Airport, 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 $268.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Seattle on Saturday, 29 August 2026.
Yes – the average flight time is 4 hours and 47 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 July, the average temperature is usually around 17°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.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Seattle.

Flying from Houston George Bush Intercontinental Airport (IAH) to Seattle: what you need to know

  • The average duration of a direct flight from Houston George Bush Intercontinental Airport to Seattle is 4 hours 20 minutes.

  • Houston George Bush Intercontinental Airport is located in Houston. Based in the UTC-8 timezone, Seattle is two hours behind Houston.

  • With 39 weekly flights between the two airports, Houston George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA) is the busiest route. Alaska Airlines operates the earliest flight at 06:00. If you prefer to get more out of your day before taking off, the latest flight from IAH to SEA is with United Airlines at 20:13.

  • Allow plenty of time to get on your IAH to Seattle flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as July? School holidays and other popular seasons can lead to longer lines at security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • You can book a direct Houston George Bush Intercontinental Airport to Seattle ticket. Begin your journey at IAH and land at Seattle-Tacoma International Airport (SEA).

  • Get on board with United Airlines. This well-known carrier operates direct flights from Houston George Bush Intercontinental Airport to Seattle.

  • IAH is about 21 kilometres from central Houston. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 1 hour 10 minutes.

  • Searching for a hotel close to IAH? If you're boarding an early flight from Houston George Bush Intercontinental Airport to Seattle, these accommodation options set you up for a seamless send-off:

  • 79% of flights that depart Houston George Bush Intercontinental Airport reach their destination on schedule.

  • The address for IAH is 16930 JFK Boulevard.

How to find the cheapest flights from Houston George Bush Intercontinental Airport (IAH) to Seattle

  • $109 is currently the best price for a one-way Houston George Bush Intercontinental Airport to Seattle flight. Return plane tickets start from $268. These fares may change depending on availability.

  • Book one month before flying. Pricing trends show that this is the ideal window for finding cheap flights from IAH to Seattle.

  • The best month for finding cheap Houston George Bush Intercontinental Airport to Seattle tickets is June. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.

  • There's no need to keep checking in to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from IAH to Seattle.

  • Tailor your flights with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Houston George Bush Intercontinental Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes about 25 minutes to reach the centre driving.

  • If you're travelling by public transport, expect a journey time of around 35 minutes.

  • If you're coming in on a late flight from Houston George Bush Intercontinental Airport to Seattle, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these hotels near SEA:

  • Booking your ride from Seattle-Tacoma International Airport around one week ahead of your flight from IAH to Seattle can help you get the best possible rate.

Seattle Paine Field International Airport (PAE)

  • Central Seattle is around 40 kilometres from Seattle Paine Field International Airport (PAE). Once your flight from Houston George Bush Intercontinental Airport to Seattle has landed and you've made your way out of the airport, expect a drive of around 40 minutes.

  • If you choose to travel on public transport, you'll get to the city centre in 1 hour 30 minutes or so.

  • After stepping off your IAH to Seattle flight, kick back at a hotel close to PAE. These are some great accommodation options that'll help you slip into relaxation mode:

  • Avoid the long lines and paperwork at the rental desk by completing your booking beforehand. Reserve your ride from PAE ahead of time so you can simply get the keys and go.

King County International Airport (BFI)

  • King County International Airport (BFI) is about 11 kilometres from the centre of Seattle. It'll take you about 20 minutes to reach the city centre by taxi or ride-share once you've hopped off your flight from Houston George Bush Intercontinental Airport to Seattle.

  • If you travel by public transport, the journey will take you around 35 minutes.

  • Choose a hotel close to BFI and go from landing to lounging in your room in a flash. Whether you're coming in on a late IAH to Seattle flight or just want a stress-free arrival, these stays put comfort right within reach:

  • If you're hoping for a certain kind of vehicle, booking early increases your chances of getting your first choice. Book your ride from BFI a couple of weeks ahead of your flight from Houston George Bush Intercontinental Airport to Seattle.

Best time to go to Seattle

  • July is the most popular month for flights from Houston George Bush Intercontinental Airport to Seattle. To steer clear of the crowds, head to Seattle in December.

  • Book a Houston George Bush Intercontinental Airport to Seattle plane ticket with a departure in August if you're eager to explore the city during its warmest month. Expect temperatures to range from 12ºC (54ºF) to 28ºC (82ºF).

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for a cheap ticket from IAH to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Seattle right here. Check out these options once you've locked in your flight from Houston George Bush Intercontinental Airport to Seattle:

  • There are so many things to explore in this city it can be hard to know where to start. Pike Place Market, Space Needle and Seattle Skyline are top sights which should be on any well-planned Seattle itinerary.

Explore more of the United States

  • You've done Seattle, now it's time to explore more of the United States. Travel about 241 kilometres south to Portland to tick off its leading sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, there's plenty to keep you busy.

  • Spokane is another must-experience destination in the United States and is around 370 kilometres east of Seattle. No journey is complete without experiencing Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.