Cheap Flights from Houston George Bush Intercntl. to Seattle / Tacoma International

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Flight deals from Houston George Bush Intercntl. to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

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

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 / Tacoma International flights are currently cheapest in June.

Direct flights from Houston George Bush Intercntl. to Seattle / Tacoma International

Houston George Bush Intercntl. to Seattle / Tacoma International: Alternative routes

Compare routes from Houston George Bush Intercntl. to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Houston to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRs25,287
Cheapest month to flyJune
Average flight time4 hrs, 46 mins
Most popular airlineUnited
Average flights per week145

Finding cheap flights from Houston George Bush Intercntl. to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Seattle / Tacoma International is Rs44,696. 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 46 minutes is the average flight time from Houston George Bush Intercntl. to Seattle / Tacoma International.
United, Alaska Airlines and Air Tahiti Nui fly direct from Houston George Bush Intercntl. to Seattle / Tacoma International.
As of May 2025, there are 145 flights per week flying from Houston George Bush Intercntl. to Seattle / Tacoma International.
The cheapest month to fly from Houston George Bush Intercntl. to Seattle / Tacoma International is usually May 2025.
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 / Tacoma International Airport on Saturday, 31 May 2025.
Yes – the average flight time is 4 hours and 46 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 / Tacoma International 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.
Currently, Spirit Airlines and United offer the cheapest flight tickets to Seattle / Tacoma International.

Flying from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The average time for a direct flight from George Bush Intercontinental Airport to Seattle-Tacoma International Airport is 4 hours 45 minutes.

  • Seattle's timezone is UTC-7, which makes Seattle two hours behind Houston.

  • You can choose from 55 weekly George Bush Intercontinental Airport to Seattle-Tacoma International Airport flights. The 06:00 departure with Alaska Airlines is the earliest you can take. United Airlines operates the last service of the day at 20:15.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to board your IAH to SEA flight.

  • Travelling during a peak month like July? Public holidays and other popular periods can mean longer lines and delays at airport checkpoints. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • Jetting into Seattle (and then seeing more of United States!) is easy with Alaska Airlines. This popular airline has direct flights from George Bush Intercontinental Airport to Seattle-Tacoma International Airport.

  • The majority of passengers choose to travel with Alaska Airlines on this route.

  • United Airlines ranks as the leading on-time carrier for IAH to SEA flights, with 85.47% of services arriving on schedule.

  • If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from George Bush Intercontinental Airport to Seattle-Tacoma International Airport. These are the top stopovers between IAH and SEA:

    • Austin-Bergstrom International Airport

    • Denver International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA)

  • The cheapest price we've found for a one-way George Bush Intercontinental Airport to Seattle-Tacoma International Airport flight is Rs25,287. A return fare is currently Rs44,696. Depending on the availability and when you book, these fares could change.

  • To pick up cheap tickets from IAH to SEA, reserve your journey seven months ahead of your departure date.

  • The cheapest month for flights from George Bush Intercontinental Airport to Seattle-Tacoma International Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have flexible travel dates.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from IAH to SEA.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from George Bush Intercontinental Airport to Seattle-Tacoma International Airport.

Handy information about George Bush Intercontinental Airport (IAH)

  • IAH is located at 16930 JFK Boulevard.

  • When it comes to the on-time performance of George Bush Intercontinental Airport, data shows 78.42% of flights arrive within the scheduled timeframe.

  • George Bush Intercontinental Airport 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 arrive, depending on the traffic.

  • Expect a journey time of around 50 minutes on public transport.

  • Booked an early flight from George Bush Intercontinental Airport to Seattle-Tacoma International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to IAH:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is roughly 23 kilometres from the centre of Seattle. The drive time takes about 20 minutes.

  • Travelling on public transport takes roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to pick your dates for your flight from George Bush Intercontinental Airport to Seattle-Tacoma International Airport. July is the busiest month to head to Seattle. If you prefer a quieter vibe, go in May.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Lock in your flights from George Bush Intercontinental Airport to Seattle-Tacoma International Airport in this month if you enjoy this type of weather.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from IAH to SEA in February. Average temperatures are between -1ºC and 11ºC then.

Explore more of United States

  • Seattle has loads to offer, but there are so many other corners of United States just waiting to be discovered. Around 241 kilometres south of Seattle, a visit to Portland will keep you on the go. Start with attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another essential stop in United States and is around 370 kilometres east of Seattle. No trip is complete without a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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