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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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:29 pm - 5:52 am
SEA
-
IAH
30h 23m
1 stop
Multiple Airlines Logo
3:32 pm - 9:27 am
IAH
-
SEA
19h 55m
1 stop
$249Multiple Airlines
Mon, Apr 6 - Wed, Apr 15
Frontier Logo
4:20 pm - 12:48 am
SEA
-
IAH
6h 28m
1 stop
Frontier Logo
6:45 am - 9:27 am
IAH
-
SEA
28h 42m
1 stop
$251Frontier
Fri, Apr 17 - Sun, Apr 19
Frontier Logo
10:08 pm - 4:07 pm
SEA
-
IAH
15h 59m
2 stops
Frontier Logo
4:02 pm - 9:27 am
IAH
-
SEA
19h 25m
1 stop
$252Frontier
Tue, Mar 31 - Tue, Apr 14
Multiple Airlines Logo
4:20 pm - 12:48 am
SEA
-
IAH
6h 28m
1 stop
Multiple Airlines Logo
7:00 am - 9:49 am
IAH
-
SEA
4h 49mnonstop
$254Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
3:48 pm - 11:59 pm
SEA
-
IAH
6h 11m
1 stop
United Airlines Logo
2:50 pm - 8:57 pm
IAH
-
SEA
8h 07m
1 stop
$257United Airlines
Wed, Apr 1 - Tue, Apr 7
Southwest Logo
2:05 pm - 10:10 pm
SEA
-
HOU
6h 05m
1 stop
Southwest Logo
6:10 pm - 12:10 am
HOU
-
SEA
8h 00m
1 stop
$257Southwest
Wed, Apr 8 - Wed, Apr 15
Frontier Logo
7:12 pm - 1:41 pm
SEA
-
IAH
16h 29m
2 stops
Frontier Logo
2:01 pm - 9:27 am
IAH
-
SEA
21h 26m
2 stops
$258Frontier
Sat, Apr 18 - Sat, Apr 25
Multiple Airlines Logo
10:31 am - 4:57 pm
SEA
-
IAH
4h 26mnonstop
Multiple Airlines Logo
9:45 pm - 3:39 pm
IAH
-
SEA
19h 54m
1 stop
$259Multiple Airlines
Sat, May 16 - Fri, May 22
Frontier Logo
12:42 pm - 12:48 am
SEA
-
IAH
10h 06m
1 stop
Frontier Logo
10:28 pm - 9:27 am
IAH
-
SEA
12h 59m
1 stop
$260Frontier
Fri, Apr 10 - Mon, Apr 13
Southwest Logo
5:45 am - 2:15 pm
SEA
-
HOU
6h 30m
1 stop
Southwest Logo
3:00 pm - 10:10 pm
HOU
-
SEA
9h 10m
2 stops
$262Southwest
Sat, Apr 18 - Sat, Apr 25

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
Apr 21
SEA6:00 amSeattle/Tacoma Intl
7h 48m
1 stop
HOU3:48 pmHouston Hobby
Apr 30
HOU8:21 pmHouston Hobby
6h 23m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$307
American Airlines
Apr 20
SEA12:59 amSeattle/Tacoma Intl
9h 13m
1 stop
HOU12:12 pmHouston Hobby
Apr 30
HOU8:21 pmHouston Hobby
6h 23m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$317
American Airlines
May 20
SEA2:10 pmSeattle/Tacoma Intl
7h 37m
1 stop
HOU11:47 pmHouston Hobby
May 26
HOU8:23 pmHouston Hobby
6h 36m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$326

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Apr 8
SEA2:05 pmSeattle/Tacoma Intl
6h 05m
1 stop
HOU10:10 pmHouston Hobby
Apr 15
HOU6:10 pmHouston Hobby
8h 00m
1 stop
SEA12:10 amSeattle/Tacoma Intl
$257
Southwest
Apr 18
SEA5:45 amSeattle/Tacoma Intl
6h 30m
1 stop
HOU2:15 pmHouston Hobby
Apr 25
HOU3:00 pmHouston Hobby
9h 10m
2 stops
SEA10:10 pmSeattle/Tacoma Intl
$262
Southwest
Apr 22
SEA12:10 pmSeattle/Tacoma Intl
9h 25m
1 stop
HOU11:35 pmHouston Hobby
Apr 24
HOU8:15 pmHouston Hobby
6h 40m
1 stop
SEA12:55 amSeattle/Tacoma Intl
$266

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Houston 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 13, 2026.
Use the filters below to find and compare flights from Seattle to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 4/6

9:29 pm-5:52 am

1 stop30h 23m

Houston George Bush Intcntl

Wed 4/15

3:32 pm-9:27 am

1 stop19h 55m

$249

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/17

4:20 pm-12:48 am

1 stop6h 28m

Houston George Bush Intcntl

Sun 4/19

6:45 am-9:27 am

1 stop28h 42m

$251

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 3/31

10:08 pm-4:07 pm

2 stops15h 59m

Houston George Bush Intcntl

Tue 4/14

4:02 pm-9:27 am

1 stop19h 25m

$252
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 4/23

4:20 pm-12:48 am

1 stop6h 28m

Houston George Bush Intcntl

Sun 4/26

7:00 am-9:49 am

Nonstop4h 49m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 4/1

3:48 pm-11:59 pm

1 stop6h 11m

Houston George Bush Intcntl

Tue 4/7

2:50 pm-8:57 pm

1 stop8h 07m

$257

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 4/8

2:05 pm-10:10 pm

1 stop6h 05m

Houston Hobby

Wed 4/15

6:10 pm-12:10 am

1 stop8h 00m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 4/18

7:12 pm-1:41 pm

2 stops16h 29m

Houston George Bush Intcntl

Sat 4/25

2:01 pm-9:27 am

2 stops21h 26m

$258

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 5/16

10:31 am-4:57 pm

Nonstop4h 26m

Houston George Bush Intcntl

Fri 5/22

9:45 pm-3:39 pm

1 stop19h 54m

$259

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/10

12:42 pm-12:48 am

1 stop10h 06m

Houston George Bush Intcntl

Mon 4/13

10:28 pm-9:27 am

1 stop12h 59m

$260

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sat 4/18

5:45 am-2:15 pm

1 stop6h 30m

Houston Hobby

Sat 4/25

3:00 pm-10:10 pm

2 stops9h 10m

$262

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

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?

The month of September is, on average, the cheapest month to fly to Houston from Seattle, with most prices found around $297. The month of October is another great option to travel to Houston, with average flight prices from Seattle averaging around $297.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $227. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Friday is $397.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Seattle to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $383. Try not to purchase tickets in the morning 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Seattle for as low as $265 on momondo.

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

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

Cheap Seattle to Houston flight deals and tips

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

Fastest flight time

4h 15m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Seattle to Houston takes 4h 15m
Direct flights go from Seattle to Houston every day.
There are 2 airports in Houston. From Seattle there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
Search flight deals

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

    The distance between Seattle/Tacoma Intl and Houston is about 1888.8 mi. Flights usually cover this in 4h 15m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Houston

Compare and see reviews for airlines that fly from Seattle to Houston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $57Free CancellationRating
6.3
8,518 reviews
Search Spirit Airlines flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,288 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $146Free CancellationRating
5.7
3,031 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $207Free CancellationRating
8.0
12,038 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,419 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,450 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,318 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Seattle.

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

Yes. All flights to Houston from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Houston.

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

Of course. momondo tracks the price of Seattle to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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