IAH - SEA

$204 Find Cheap Flights from Houston George Bush Airport to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$305
Typical prices: $370-$572
Frontier
Mon 11/26Mon 12/3
IAH - SEA • 1 stop
Cheapest non-stop
$326
Typical prices: $393-$586
Alaska Airlines
Sat 11/10Sat 11/17
IAH - SEA • Non-stop
Advice from real travelers
United Economy Plus adds up to 6 inches more legroom than standard economy.
Alaska 20-minute baggage guarantee speeds bag pickup; check in early for better seats.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines and Alaska Airlines. Average duration is 4h 58m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $271 (round-trip)
Shortest trip • 6h 31m (one-way)
Insights
Insights
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We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from George Bush Intcntl to Seattle (IAH-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from George Bush Intcntl to Seattle

Thu, Nov 26 - Thu, Dec 3
Frontier Logo
3:44 pm - 9:03 amIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
19h 19m1 stop Ontario
Frontier Logo
9:07 pm - 9:08 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
22h 01m1 stop Las Vegas Harry Reid Intl
$305Frontier
Thu, Nov 26 - Thu, Dec 3
Frontier Logo
3:44 pm - 9:03 amIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
19h 19m1 stop Ontario
Frontier Logo
9:07 pm - 9:08 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
22h 01m1 stop Las Vegas Harry Reid Intl
$305Frontier
Sat, Dec 5 - Mon, Dec 7
Multiple Airlines Logo
6:00 am - 8:57 amIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
4h 57mnonstop
Multiple Airlines Logo
8:56 pm - 11:19 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
24h 23m1 stop Las Vegas Harry Reid Intl
$306Multiple Airlines
Wed, Nov 25 - Wed, Dec 9
Multiple Airlines Logo
12:27 pm - 12:37 pmIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
26h 10m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
5:36 pm - 11:59 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
4h 23mnonstop
$306Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Alaska Airlines Logo
7:02 am - 9:53 amIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
4h 51mnonstop
Alaska Airlines Logo
5:37 pm - 11:59 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
4h 22mnonstop
$326Alaska Airlines
Tue, Nov 24 - Tue, Dec 1
Delta Logo
8:05 am - 2:30 pmIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
8h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:21 pm - 11:53 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
6h 32m1 stop Los Angeles
$373Delta
Wed, Nov 25 - Tue, Dec 1
Delta Logo
7:38 pm - 11:59 pmIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
6h 21m1 stop Salt Lake City
Delta Logo
5:30 am - 1:44 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
6h 14m1 stop Salt Lake City
$373Delta
Tue, Dec 8 - Tue, Dec 8
Alaska Airlines Logo
6:00 am - 8:57 amIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
4h 57mnonstop
Alaska Airlines Logo
10:47 am - 5:07 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
4h 20mnonstop
$392Alaska Airlines
Tue, Dec 8 - Wed, Dec 9
United Airlines Logo
10:20 am - 1:22 pmIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
5h 02mnonstop
United Airlines Logo
11:59 pm - 6:13 amSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
4h 14mnonstop
$397United Airlines
Sat, Jan 9 - Sat, Jan 16
United Airlines Logo
7:55 pm - 10:54 pmIAH  Houston George Bush Intcntl-SEA Seattle/Tacoma Intl
4h 59mnonstop
United Airlines Logo
7:00 am - 1:20 pmSEA  Seattle/Tacoma Intl-IAH Houston George Bush Intcntl
4h 20mnonstop
$397United Airlines
Booking Insights

Price, demand and travel trends for Houston George Bush Intcntl Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Houston George Bush Intcntl Airport to Seattle?

Round-trip flights from Houston George Bush Intcntl Airport to Seattle typically range from $370 to $572. The lowest price found in the past 5 days was $305, on Frontier.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Seattle?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Seattle. It’s 10% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from Houston George Bush Intcntl Airport to Seattle?

•January is the cheapest month to fly from Houston George Bush Intcntl Airport to Seattle at $308 round-trip.
•July ($493) and June ($489) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Houston George Bush Intcntl Airport to Seattle the cheapest?

Flights from Houston George Bush Intcntl Airport to Seattle are cheapest 11 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from George Bush Intcntl to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Key details for Houston George Bush Intcntl Airport to Seattle flights

Low season

January

Cheapest flight

$204
Beat the crowds with an average 39% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
One-way flight from Houston George Bush Intcntl Airport to Seattle

When to book flights from George Bush Intcntl to Seattle

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from George Bush Intcntl to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from George Bush Intcntl to Seattle 
Verified travelerFlew with Alaska Airlines-Sep 2024
Tru and get a direct flight through United or Alaska so you have no transfers!!!
HaleyFlew with Alaska Airlines-Sep 2024
Check in early so you don’t have to sit in the last row.

Your Houston George Bush Intcntl Airport to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Houston George Bush Intcntl Airport to Seattle?

    These are the earliest and latest flight times available from Houston George Bush Intcntl Airport to Seattle:

    • Earliest: departs at 6:00 am and lands at 10:58 am
    • Latest: departs at 7:57 pm and lands at 12:55 am.

    The flight takes about 4h 58m.

  • What cabin classes can I book on flights from Houston George Bush Intcntl Airport to Seattle?

    Four cabin classes are available on flights from Houston George Bush Intcntl Airport to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Houston George Bush Intcntl Airport to Seattle?

    A nonstop flight from Houston George Bush Intcntl Airport to Seattle takes 4h 58m, covering 1,871 miles.

  • Do I need a passport to fly from Houston George Bush Intcntl Airport to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Houston George Bush Intcntl Airport to Seattle flight?

    Round-trip flights from Houston George Bush Intcntl Airport to Seattle range from $370 to $572, with an average of $459 over the past 12 months. Anything below $370 counts as a good deal.

  • How expensive are last-minute Houston George Bush Intcntl Airport to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 58% above the $459 route average. Book 11 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Houston George Bush Intcntl Airport to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $271 round-trip via Los Angeles (LAX), compared to $479 for nonstop.

  • What is the standard checked-bag allowance on flights from Houston George Bush Intcntl Airport to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Houston George Bush Intcntl Airport to Seattle?

    The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • How are flight departures from Houston George Bush Intcntl Airport to Seattle spread across the day?

    Morning is the busiest departure period on Houston George Bush Intcntl Airport to Seattle flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

  • Have flight prices from Houston George Bush Intcntl Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $305 to $2,481. That means the highest observed fare was about 8x higher than the lowest one.

  • Which airlines offer Wi-Fi on Houston George Bush Intcntl Airport to Seattle flights?

    Alaska Airlines is the only airline on the Houston George Bush Intcntl Airport to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Houston George Bush Intcntl Airport to Seattle looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Seattle are currently lower than usual. Average one-way flight prices are about $230, which is 11% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Seattle?

    Flights from Houston George Bush Intcntl Airport to Seattle usually depart from Houston George Bush Intcntl (IAH) and arrive at Seattle/Tacoma Intl (SEA).

  • What time of day has the fewest delays on flights from Houston George Bush Intcntl Airport to Seattle?

    Morning flights have the fewest delays on this route, while night departures tend to have the most.

  • At what point is a flight considered delayed from Houston George Bush Intcntl Airport to Seattle?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston George Bush Intcntl Airport to Seattle route, 11% of flights were delayed in the past 3 months, with delays averaging 2h 26m.

  • Which airports do connecting flights from Houston George Bush Intcntl Airport to Seattle pass through?

    One-stop flights from Houston George Bush Intcntl Airport to Seattle most commonly connect through:

    • Denver Intl (DEN) - 81% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections
    • Ontario (ONT) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Seattle?

    Yes. Flexible dates can save you up to 17% on flights from Houston George Bush Intcntl Airport to Seattle. Wednesday is the cheapest departure day at $417 round-trip on average, while Monday is the most expensive at $501, a difference of $84.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Houston George Bush Intcntl Airport to Seattle?

    2 airlines operate flights between Houston George Bush Intcntl Airport and Seattle. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Alaska Airlines

  • How much time can I save by choosing a different layover airport from Houston George Bush Intcntl Airport to Seattle?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 31m, compared with 6h 40m via Portland (PDX) and 7h 03m via Dallas/Fort Worth (DFW).

  • What is the time difference between Houston George Bush Intcntl Airport and Seattle?

    Seattle is 2 hours behind Houston George Bush Intcntl Airport (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Houston George Bush Intcntl Airport to Seattle flights?

    Among airlines operating Houston George Bush Intcntl Airport to Seattle flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Houston George Bush Intcntl Airport to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Hawaiian Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • If I am traveling with a service animal, are there any pet relief areas at the George Bush Intercontinental Airport?

    Travelers will find a number of pet relief areas with one location in each of the terminal buildings. These areas offer turf for your pets and waste disposal bags and have locations near restrooms that make it easy for travelers to wash their hands after visiting these areas.

  • What would be a good option for public transportation from the Seattle Tacoma International Airport (SEA) to downtown Seattle?

    From the airport, travelers can explore different transportation options at affordable rates. King County Metro offers their line number 124 bus that makes the trip from the airport to downtown Seattle in around 40min. You can also travel aboard the Sound Transit line 1 train that makes the trip in about 30min.

  • If I plan on renting a car when I arrive at the Seattle-Tacoma International Airport, where will I find the car rental agencies?

    All of the major rental car companies that operate at this airport have locations at an off-site rental car facility. The airport offers a 24h day shuttle service to the facility from the airport. The two pick-up locations at the airport have locations at both the north and the south end of the terminal building.

  • Are there any good public transportation options from the Seattle Tacoma International Airport to downtown Tacoma?

    Sound Transit offers line number 574 bus that makes the trip from the airport to Tacoma Dome Station in around 36min.

Your guide to booking Houston George Bush Intcntl Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $417, about $84 less than Monday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Seattle trip for January. Fares historically average $308 round-trip in that month - typically $185 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Alaska Airlines. Over the past three months, 90% of Alaska Airlines flights from Houston George Bush Intcntl Airport to Seattle arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 2h 26m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest layover option averages $271 round-trip on this route - about $208 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • For airline travelers looking for a convenient way to get from central Houston to the Houston George Bush Intercontinental Airport (IAH) without having to drive their own car, the Metropolitan Transit Harris County line 102 bus makes the trip to the airport in around 45min.
  • For airline travelers that are going to drive their own car to the George Bush Intercontinental Airport, you have a variety of parking options ranging from valet parking right at the curbside of the terminal buildings all the way down to economy parking lots that offer a very cost-effective way to park your vehicle at the airport.
  • If you are trying to find a very quiet and convenient place to wait for your flight that also offers great amenities, such as dining options, you will find airline lounges from American Airlines and United Airlines at the George Bush Intercontinental Airport. In addition to these lounges, there is also a Centurion Lounge at this airport.
  • For travelers looking for something to do before their flight to Seattle, the George Bush Intercontinental Airport features one of the largest collections of public art found in the entire state of Texas. Some of the artwork you will find in the terminal buildings ranges from sculptures to photographs, and many are from Texas-based artists.
  • For nursing mothers that are traveling from the George Bush Intercontinental Airport, you will find lactation rooms throughout all of the terminal buildings of the airport. These rooms feature amenities such as baby changing tables and sinks.

Prefer to fly direct from Houston George Bush Airport to Seattle?

 
Find which airlines fly direct from Houston George Bush Intcntl Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Houston George Bush Intcntl to Seattle/Tacoma Intl

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Houston George Bush Intcntl

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

More options for your flight from George Bush Intcntl to Seattle

Complete your trip to Seattle with a hotel stay or car rental