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Cheap flights from Seattle to Houston from $117

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 4/30. 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

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Frontier Logo
7:50 pm - 6:49 pm
SEA
-
IAH
20h 59m
2 stops
Frontier Logo
10:05 pm - 9:49 am
IAH
-
SEA
13h 44m
1 stop
$254Frontier
Fri, May 8 - Mon, May 11
Multiple Airlines Logo
7:12 pm - 12:48 am
SEA
-
IAH
27h 36m
1 stop
Multiple Airlines Logo
10:15 pm - 5:52 pm
IAH
-
SEA
21h 37m
1 stop
$255Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Frontier Logo
12:42 pm - 9:33 pm
SEA
-
IAH
6h 51m
1 stop
Frontier Logo
10:28 pm - 9:27 am
IAH
-
SEA
12h 59m
1 stop
$256Frontier
Sat, Apr 11 - Mon, Apr 13
Alaska Airlines Logo
11:01 pm - 5:21 am
SEA
-
IAH
4h 20mnonstop
Alaska Airlines Logo
7:00 am - 9:49 am
IAH
-
SEA
4h 49mnonstop
$257Alaska Airlines
Wed, Apr 15 - Wed, Apr 22
Frontier Logo
10:57 am - 9:44 am
SEA
-
IAH
20h 47m
2 stops
Frontier Logo
10:38 am - 5:42 pm
IAH
-
SEA
9h 04m
1 stop
$258Frontier
Thu, Apr 23 - Thu, Apr 30
Frontier Logo
11:06 am - 10:44 am
SEA
-
IAH
21h 38m
2 stops
Frontier Logo
10:05 pm - 9:49 am
IAH
-
SEA
13h 44m
1 stop
$259Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
8:45 pm - 3:07 pm
SEA
-
IAH
16h 22m
2 stops
Frontier Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$260Frontier
Mon, Apr 20 - Sat, Apr 25
Frontier Logo
12:42 pm - 9:33 pm
SEA
-
IAH
6h 51m
1 stop
Frontier Logo
4:02 pm - 9:27 am
IAH
-
SEA
19h 25m
1 stop
$261Frontier
Fri, Apr 10 - Tue, Apr 14
Multiple Airlines Logo
9:19 pm - 12:33 pm
SEA
-
IAH
13h 14m
1 stop
Multiple Airlines Logo
5:45 am - 5:37 pm
IAH
-
SEA
13h 52m
2 stops
$262Multiple Airlines
Mon, May 4 - Sat, May 9
Frontier Logo
12:42 pm - 12:48 am
SEA
-
IAH
10h 06m
1 stop
Frontier Logo
6:45 am - 9:27 am
IAH
-
SEA
28h 42m
1 stop
$263Frontier
Fri, Apr 10 - Mon, Apr 20

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
Apr 9
SEA12:42 pmSeattle/Tacoma Intl
10h 06m
1 stop
IAH12:48 amHouston George Bush Intcntl
Apr 14
IAH4:02 pmHouston George Bush Intcntl
19h 25m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$254
Frontier
Apr 11
SEA12:42 pmSeattle/Tacoma Intl
6h 51m
1 stop
IAH9:33 pmHouston George Bush Intcntl
Apr 13
IAH10:28 pmHouston George Bush Intcntl
12h 59m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$256
Frontier
Apr 23
SEA10:57 amSeattle/Tacoma Intl
20h 47m
2 stops
IAH9:44 amHouston George Bush Intcntl
Apr 30
IAH10:38 amHouston George Bush Intcntl
9h 04m
1 stop
SEA5:42 pmSeattle/Tacoma Intl
$258

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
Apr 15
SEA11:01 pmSeattle/Tacoma Intl
4h 20m
IAH5:21 amHouston George Bush Intcntl
Apr 22
IAH7:00 amHouston George Bush Intcntl
4h 49m
SEA9:49 amSeattle/Tacoma Intl
$257
Alaska Airlines
Apr 18
SEA10:48 pmSeattle/Tacoma Intl
12h 39m
1 stop
IAH1:27 pmHouston George Bush Intcntl
Apr 29
IAH4:46 pmHouston George Bush Intcntl
5h 02m
SEA7:48 pmSeattle/Tacoma Intl
$267
Alaska Airlines
Apr 14
SEA11:01 pmSeattle/Tacoma Intl
4h 20m
IAH5:21 amHouston George Bush Intcntl
Apr 16
IAH7:00 amHouston George Bush Intcntl
4h 57m
SEA9:57 amSeattle/Tacoma Intl
$287

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 March 19, 2026.
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

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 5/8

7:50 pm-6:49 pm

2 stops20h 59m

Houston George Bush Intcntl

Mon 5/11

10:05 pm-9:49 am

1 stop13h 44m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 4/16

7:12 pm-12:48 am

1 stop27h 36m

Houston George Bush Intcntl

Thu 4/23

10:15 pm-5:52 pm

1 stop21h 37m

$255

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 4/11

12:42 pm-9:33 pm

1 stop6h 51m

Houston George Bush Intcntl

Mon 4/13

10:28 pm-9:27 am

1 stop12h 59m

$256
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 4/15

11:01 pm-5:21 am

Nonstop4h 20m

Houston George Bush Intcntl

Wed 4/22

7:00 am-9:49 am

Nonstop4h 49m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 4/23

10:57 am-9:44 am

2 stops20h 47m

Houston George Bush Intcntl

Thu 4/30

10:38 am-5:42 pm

1 stop9h 04m

$258

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 5/7

11:06 am-10:44 am

2 stops21h 38m

Houston George Bush Intcntl

Mon 5/11

10:05 pm-9:49 am

1 stop13h 44m

$259

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 4/20

8:45 pm-3:07 pm

2 stops16h 22m

Houston George Bush Intcntl

Sat 4/25

9:33 am-5:42 pm

1 stop10h 09m

$260

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/10

12:42 pm-9:33 pm

1 stop6h 51m

Houston George Bush Intcntl

Tue 4/14

4:02 pm-9:27 am

1 stop19h 25m

$261

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 5/4

9:19 pm-12:33 pm

1 stop13h 14m

Houston George Bush Intcntl

Sat 5/9

5:45 am-5:37 pm

2 stops13h 52m

$262

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/10

12:42 pm-12:48 am

1 stop10h 06m

Houston George Bush Intcntl

Mon 4/20

6:45 am-9:27 am

1 stop28h 42m

$263

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 $476. 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 $597.

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 $565. 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 $368 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 $232 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?

No. A direct flight is the cheapest option for a flight between Seattle to Houston George Bush Intcntl Airport.

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

As of March 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 32% 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

$168

Fastest flight time

4h 18m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Seattle in the past 72 hours is $168. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $356.
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 18m
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 18m 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
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $147Free CancellationRating
5.7
3,024 reviews
Search Frontier flights
DeltaPriceFrom $160Free CancellationRating
7.9
8,298 reviews
Search Delta flights
Alaska AirlinesPriceFrom $205Free CancellationRating
7.9
12,074 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,443 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,476 reviews
Search American Airlines flights

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

    Alaska Airlines operates around 11 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 $387, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as $205 round-trip. Alaska Airlines has been scored 7.9/10 in 12,080 reviews.

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

    $108 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 $317, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,841 user reviews) flies into Houston George Bush Intcntl Airport from Seattle 13 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
Katy
The Woodlands
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Jersey Village
Livingston

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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