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Cheap flights from Seattle to Houston from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Houston departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Multiple Airlines Logo
5:47 pm - 12:10 amSEA-IAH
4h 23mnonstop
Multiple Airlines Logo
6:00 am - 12:07 pmIAH-SEA
8h 07m1 stop
$243Multiple Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
Frontier Logo
1:02 pm - 10:44 amSEA-IAH
19h 42m1 stop
Frontier Logo
6:00 am - 12:07 pmIAH-SEA
8h 07m1 stop
$244Frontier
Find Deal
Thu, Oct 9 - Wed, Oct 15
United Airlines Logo
5:00 am - 2:43 pmSEA-IAH
7h 43m1 stop
United Airlines Logo
7:50 pm - 10:46 pmIAH-SEA
4h 56mnonstop
$247United Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 12
Alaska Airlines Logo
5:47 pm - 12:10 amSEA-IAH
4h 23mnonstop
Alaska Airlines Logo
6:00 am - 8:44 amIAH-SEA
4h 44mnonstop
$251Alaska Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 15
United Airlines Logo
7:05 am - 1:33 pmSEA-IAH
4h 28mnonstop
United Airlines Logo
6:39 pm - 9:23 pmIAH-SEA
4h 44mnonstop
$257United Airlines
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Thu, Oct 9 - Mon, Oct 20
American Airlines Logo
1:59 pm - 11:53 pmSEA-IAH
7h 54m1 stop
American Airlines Logo
12:10 pm - 9:18 pmIAH-SEA
11h 08m1 stop
$271American Airlines
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Thu, Nov 20 - Mon, Nov 24
Alaska Airlines Logo
5:47 pm - 12:10 amSEA-IAH
4h 23mnonstop
Alaska Airlines Logo
6:00 am - 8:44 amIAH-SEA
4h 44mnonstop
$272Alaska Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
American Airlines Logo
12:34 am - 10:06 amSEA-IAH
7h 32m1 stop
American Airlines Logo
6:01 am - 12:45 pmIAH-SEA
8h 44m1 stop
$276American Airlines
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Wed, Oct 22 - Thu, Oct 30
Hawaiian Airlines Logo
5:36 pm - 11:59 pmSEA-IAH
4h 23mnonstop
Hawaiian Airlines Logo
5:55 pm - 10:43 pmIAH-SEA
6h 48m1 stop
$280Hawaiian Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
Hawaiian Airlines Logo
5:47 pm - 12:10 amSEA-IAH
4h 23mnonstop
Hawaiian Airlines Logo
7:26 pm - 10:24 pmIAH-SEA
4h 58mnonstop
$296Hawaiian Airlines
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Thu, Oct 23 - Thu, Oct 30

Delta flights from Seattle to Houston George Bush Intcntl Airport

Our best Delta deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Delta
Dec 3
SEA6:00 amSeattle/Tacoma Intl
9h 50m
1 stop
IAH5:50 pmHouston George Bush Intcntl
Dec 6
IAH5:10 amHouston George Bush Intcntl
11h 34m
1 stop
SEA2:44 pmSeattle/Tacoma Intl
$267
Find similar
Delta
Nov 20
SEA12:20 pmSeattle/Tacoma Intl
9h 36m
1 stop
IAH11:56 pmHouston George Bush Intcntl
Nov 23
IAH7:15 pmHouston George Bush Intcntl
6h 56m
1 stop
SEA12:11 amSeattle/Tacoma Intl
$297
Find similar

Hawaiian Airlines flights from Seattle to Houston George Bush Intcntl Airport

Our best Hawaiian Airlines deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Hawaiian Airlines
Dec 3
SEA5:36 pmSeattle/Tacoma Intl
4h 23m
IAH11:59 pmHouston George Bush Intcntl
Dec 6
IAH5:55 pmHouston George Bush Intcntl
6h 48m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
$280
Find similar
Hawaiian Airlines
Oct 23
SEA5:47 pmSeattle/Tacoma Intl
4h 23m
IAH12:10 amHouston George Bush Intcntl
Oct 30
IAH7:26 pmHouston George Bush Intcntl
4h 58m
SEA10:24 pmSeattle/Tacoma Intl
$296
Find similar
Hawaiian Airlines
Sep 24
SEA11:59 pmSeattle/Tacoma Intl
4h 25m
IAH6:24 amHouston George Bush Intcntl
Oct 8
IAH7:10 pmHouston George Bush Intcntl
4h 54m
SEA10:04 pmSeattle/Tacoma Intl
$447
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momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Seattle to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 10/23

5:47 pm-12:10 am

Nonstop4h 23m

Houston George Bush Intcntl

Mon 10/27

6:00 am-12:07 pm

1 stop8h 07m

$243

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 10/9

1:02 pm-10:44 am

1 stop19h 42m

Houston George Bush Intcntl

Wed 10/15

6:00 am-12:07 pm

1 stop8h 07m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 11/12

5:00 am-2:43 pm

1 stop7h 43m

Houston George Bush Intcntl

Wed 11/12

7:50 pm-10:46 pm

Nonstop4h 56m

$247

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 10/4

5:47 pm-12:10 am

Nonstop4h 23m

Houston George Bush Intcntl

Wed 10/15

6:00 am-8:44 am

Nonstop4h 44m

$251

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 10/9

7:05 am-1:33 pm

Nonstop4h 28m

Houston George Bush Intcntl

Mon 10/20

6:39 pm-9:23 pm

Nonstop4h 44m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 11/20

1:59 pm-11:53 pm

1 stop7h 54m

Houston George Bush Intcntl

Mon 11/24

12:10 pm-9:18 pm

1 stop11h 08m

$271

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 10/7

5:47 pm-12:10 am

Nonstop4h 23m

Houston George Bush Intcntl

Sat 10/11

6:00 am-8:44 am

Nonstop4h 44m

$272

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 10/22

12:34 am-10:06 am

1 stop7h 32m

Houston George Bush Intcntl

Thu 10/30

6:01 am-12:45 pm

1 stop8h 44m

$276

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 12/3

5:36 pm-11:59 pm

Nonstop4h 23m

Houston George Bush Intcntl

Sat 12/6

5:55 pm-10:43 pm

1 stop6h 48m

$280

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 10/23

5:47 pm-12:10 am

Nonstop4h 23m

Houston George Bush Intcntl

Thu 10/30

7:26 pm-10:24 pm

Nonstop4h 58m

$296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Seattle to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Seattle, with most prices found around $257. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $344.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Seattle to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $506. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $660.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Seattle to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $384. Try not to purchase tickets in the evening because they tend to be around $627. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Houston George Bush Intcntl flight route?

Fly from Seattle/Tacoma Intl to Houston George Bush Intcntl for the best Seattle/Tacoma Intl - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Seattle for as low as $269 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Houston George Bush Intcntl Airport flight prices changed over time?

As of September 2025, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Houston George Bush Intcntl Airport (SEA to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Houston George Bush Intcntl Airport

Best Price Found

$175

Fastest flight time

4h 15m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Seattle in the past 72 hours is $175. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $299.
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 15m
Direct flights go from Seattle to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Seattle/Tacoma Intl to Houston George Bush Intcntl by plane?

    The straight-line distance from Seattle/Tacoma Intl to Houston George Bush Intcntl is 1878.0 mi. 4h 23m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Seattle to Houston George Bush Intcntl Airport?

Best airlines flying from Seattle to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Seattle to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $135Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $160Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $185Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $246Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Seattle to Houston George Bush Intcntl Airport

    Alaska Airlines operates around 7 flights from Seattle to Houston George Bush Intcntl Airport every week. The average price of these flights found in the last 72 hours has been $426, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as $246 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

  • Hawaiian Airlines Flights From Seattle to Houston George Bush Intcntl Airport

    $185 is the best Hawaiian Airlines flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $367, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,724 user reviews) flies into Houston George Bush Intcntl Airport from Seattle 10 times in an average week so prices can vary.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Houston?

Finding the right flight to Houston from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from Seattle to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Houston?

Once all potential Seattle to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Houston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Houston from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Houston George Bush Intcntl Airport trip

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