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Cheap flights from Seattle to Houston from $118

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 1/15. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
1:16 pm - 12:33 am
SEA
-
IAH
9h 17m1 stop
Frontier Logo
6:45 am - 12:01 pm
IAH
-
SEA
7h 16m1 stop
$203Frontier
Thu, Feb 12 - Sat, Feb 21
Multiple Airlines Logo
6:00 am - 7:54 pm
SEA
-
IAH
11h 54m1 stop
Multiple Airlines Logo
9:55 am - 5:51 pm
IAH
-
SEA
9h 56m1 stop
$205Multiple Airlines
Thu, Jan 1 - Tue, Jan 6
Multiple Airlines Logo
10:19 am - 11:55 pm
SEA
-
IAH
11h 36m1 stop
Multiple Airlines Logo
6:45 am - 4:29 pm
IAH
-
SEA
11h 44m2 stops
$206Multiple Airlines
Sat, Jan 10 - Mon, Jan 12
Frontier Logo
9:25 pm - 1:48 pm
SEA
-
IAH
14h 23m2 stops
Frontier Logo
10:12 pm - 11:56 am
IAH
-
SEA
15h 44m1 stop
$207Frontier
Thu, Jan 29 - Sun, Feb 1
Multiple Airlines Logo
9:23 pm - 7:18 pm
SEA
-
IAH
19h 55m2 stops
Multiple Airlines Logo
10:28 pm - 4:29 pm
IAH
-
SEA
20h 01m1 stop
$208Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
6:33 pm - 4:41 am
SEA
-
IAH
8h 08m1 stop
Multiple Airlines Logo
6:05 am - 11:21 am
IAH
-
SEA
31h 16m2 stops
$209Multiple Airlines
Mon, Jan 5 - Thu, Jan 8
Multiple Airlines Logo
12:34 pm - 12:33 am
SEA
-
IAH
9h 59m1 stop
Multiple Airlines Logo
7:00 am - 9:57 am
IAH
-
SEA
4h 57mnonstop
$210Multiple Airlines
Fri, Jan 23 - Sat, Jan 31
Frontier Logo
1:00 pm - 12:31 am
SEA
-
IAH
9h 31m1 stop
Frontier Logo
4:08 pm - 11:19 am
IAH
-
SEA
21h 11m1 stop
$211Frontier
Tue, Jan 6 - Wed, Jan 21
Frontier Logo
1:25 pm - 12:38 am
SEA
-
IAH
9h 13m1 stop
Frontier Logo
10:15 am - 11:21 am
IAH
-
SEA
27h 06m1 stop
$213Frontier
Thu, Jan 1 - Wed, Jan 7
Frontier Logo
9:25 pm - 1:48 pm
SEA
-
IAH
14h 23m2 stops
Frontier Logo
6:45 am - 11:19 am
IAH
-
SEA
6h 34m1 stop
$214Frontier
Thu, Jan 29 - Mon, Feb 2

Alaska Airlines flights from Seattle to Houston George Bush Intcntl Airport

Our best Alaska Airlines deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Alaska Airlines
Jan 6
SEA11:15 pmSeattle/Tacoma Intl
15h 40m
1 stop
IAH4:55 pmHouston George Bush Intcntl
Jan 21
IAH7:17 pmHouston George Bush Intcntl
4h 53m
SEA10:10 pmSeattle/Tacoma Intl
$247
Find similar
Alaska Airlines
Jan 13
SEA8:25 amSeattle/Tacoma Intl
6h 30m
1 stop
IAH4:55 pmHouston George Bush Intcntl
Jan 20
IAH5:55 pmHouston George Bush Intcntl
6h 38m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
$256
Find similar
Alaska Airlines
Jan 13
SEA5:39 pmSeattle/Tacoma Intl
4h 15m
IAH11:54 pmHouston George Bush Intcntl
Jan 17
IAH7:17 pmHouston George Bush Intcntl
4h 53m
SEA10:10 pmSeattle/Tacoma Intl
$257
Find similar

Frontier flights from Seattle to Houston George Bush Intcntl Airport

Our best Frontier deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Frontier
Feb 12
SEA1:16 pmSeattle/Tacoma Intl
9h 17m
1 stop
IAH12:33 amHouston George Bush Intcntl
Feb 21
IAH6:45 amHouston George Bush Intcntl
7h 16m
1 stop
SEA12:01 pmSeattle/Tacoma Intl
$203
Find similar
Frontier
Feb 5
SEA9:25 pmSeattle/Tacoma Intl
14h 23m
2 stops
IAH1:48 pmHouston George Bush Intcntl
Feb 20
IAH10:36 pmHouston George Bush Intcntl
13h 41m
1 stop
SEA10:17 amSeattle/Tacoma Intl
$207
Find similar
Frontier
Jan 6
SEA1:00 pmSeattle/Tacoma Intl
9h 31m
1 stop
IAH12:31 amHouston George Bush Intcntl
Jan 21
IAH4:08 pmHouston George Bush Intcntl
21h 11m
1 stop
SEA11:19 amSeattle/Tacoma Intl
$211
Find similar

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 December 18, 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 2/12

1:16 pm-12:33 am

1 stop9h 17m

Houston George Bush Intcntl

Sat 2/21

6:45 am-12:01 pm

1 stop7h 16m

$203

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/1

6:00 am-7:54 pm

1 stop11h 54m

Houston George Bush Intcntl

Tue 1/6

9:55 am-5:51 pm

1 stop9h 56m

$205

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 1/10

10:19 am-11:55 pm

1 stop11h 36m

Houston George Bush Intcntl

Mon 1/12

6:45 am-4:29 pm

2 stops11h 44m

$206

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/29

9:25 pm-1:48 pm

2 stops14h 23m

Houston George Bush Intcntl

Sun 2/1

10:12 pm-11:56 am

1 stop15h 44m

$207

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/8

9:23 pm-7:18 pm

2 stops19h 55m

Houston George Bush Intcntl

Sun 1/11

10:28 pm-4:29 pm

1 stop20h 01m

$208

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 1/5

6:33 pm-4:41 am

1 stop8h 08m

Houston George Bush Intcntl

Thu 1/8

6:05 am-11:21 am

2 stops31h 16m

$209

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 1/23

12:34 pm-12:33 am

1 stop9h 59m

Houston George Bush Intcntl

Sat 1/31

7:00 am-9:57 am

Nonstop4h 57m

$210

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 1/6

1:00 pm-12:31 am

1 stop9h 31m

Houston George Bush Intcntl

Wed 1/21

4:08 pm-11:19 am

1 stop21h 11m

$211

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/1

1:25 pm-12:38 am

1 stop9h 13m

Houston George Bush Intcntl

Wed 1/7

10:15 am-11:21 am

1 stop27h 06m

$213

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/29

9:25 pm-1:48 pm

2 stops14h 23m

Houston George Bush Intcntl

Mon 2/2

6:45 am-11:19 am

1 stop6h 34m

$214

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 October is also very affordable. Most momondo users find prices during this month for around $306.

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 $495. 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 $641.

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 $383. Try not to purchase tickets in the evening because they tend to be around $601. 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 $383 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 $247 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.

Can stopping save me money on Seattle to Houston George Bush Intcntl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Houston George Bush Intcntl Airport flight.

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

As of December 2025, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 74% 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

$246

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 $246. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $380.
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 15m 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 $147Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $150Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $160Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Spirit AirlinesPriceFrom $166Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $250Free CancellationRating
8.0
11,474 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights

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

    Alaska Airlines operates around 8 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 $404, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as $250 round-trip. Alaska Airlines has been scored 8.0/10 in 11,477 reviews.

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

    $150 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 $358, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,819 user reviews) flies into Houston George Bush Intcntl Airport from Seattle 9 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
Cypress
Humble
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.

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