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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 4/17. 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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Find the cheapest flights from Seattle to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:50 pm - 5:16 am
SEA
-
IAH
4h 26mnonstop
Multiple Airlines Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$255Multiple Airlines
Mon, May 4 - Wed, May 13
Multiple Airlines Logo
9:13 am - 3:46 pm
SEA
-
IAH
4h 33mnonstop
Multiple Airlines Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$256Multiple Airlines
Tue, May 5 - Sat, May 9
Alaska Airlines Logo
5:39 pm - 11:54 pm
SEA
-
IAH
4h 15mnonstop
Alaska Airlines Logo
6:53 pm - 9:52 pm
IAH
-
SEA
4h 59mnonstop
$257Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
12:59 am - 9:26 am
SEA
-
HOU
6h 27m
1 stop
American Airlines Logo
8:21 pm - 12:44 am
HOU
-
SEA
6h 23m
1 stop
$257American Airlines
Fri, Apr 17 - Mon, Apr 20
Multiple Airlines Logo
10:50 pm - 5:16 am
SEA
-
IAH
4h 26mnonstop
Multiple Airlines Logo
12:57 pm - 8:20 pm
IAH
-
SEA
9h 23m
1 stop
$258Multiple Airlines
Thu, May 7 - Mon, May 11
Frontier Logo
4:20 pm - 12:48 am
SEA
-
IAH
6h 28m
1 stop
Frontier Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$261Frontier
Fri, May 8 - Sat, May 9
Frontier Logo
10:08 pm - 9:56 am
SEA
-
IAH
9h 48m
1 stop
Frontier Logo
9:43 am - 11:19 am
IAH
-
SEA
27h 36m
1 stop
$264Frontier
Sat, Mar 21 - Thu, Mar 26
American Airlines Logo
2:10 pm - 11:47 pm
SEA
-
HOU
7h 37m
1 stop
American Airlines Logo
9:57 am - 3:51 pm
HOU
-
SEA
7h 54m
1 stop
$277American Airlines
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
6:30 am - 4:50 pm
SEA
-
HOU
8h 20m
2 stops
Southwest Logo
8:45 am - 1:35 pm
HOU
-
SEA
6h 50m
1 stop
$278Southwest
Tue, Apr 14 - Wed, Apr 22
Southwest Logo
6:00 am - 4:55 pm
SEA
-
HOU
8h 55m
1 stop
Southwest Logo
9:00 am - 3:45 pm
HOU
-
SEA
8h 45m
2 stops
$282Southwest
Tue, Mar 17 - Tue, Mar 24

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
Apr 17
SEA12:59 amSeattle/Tacoma Intl
6h 27m
1 stop
HOU9:26 amHouston Hobby
Apr 20
HOU8:21 pmHouston Hobby
6h 23m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$257
American Airlines
Apr 18
SEA2:10 pmSeattle/Tacoma Intl
7h 37m
1 stop
HOU11:47 pmHouston Hobby
Apr 21
HOU9:57 amHouston Hobby
7h 54m
1 stop
SEA3:51 pmSeattle/Tacoma Intl
$277
American Airlines
Apr 16
SEA11:55 pmSeattle/Tacoma Intl
7h 31m
1 stop
HOU9:26 amHouston Hobby
Apr 18
HOU6:01 amHouston Hobby
6h 50m
1 stop
SEA10:51 amSeattle/Tacoma Intl
$297

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Apr 14
SEA6:30 amSeattle/Tacoma Intl
8h 20m
2 stops
HOU4:50 pmHouston Hobby
Apr 22
HOU8:45 amHouston Hobby
6h 50m
1 stop
SEA1:35 pmSeattle/Tacoma Intl
$278
Southwest
Mar 17
SEA6:00 amSeattle/Tacoma Intl
8h 55m
1 stop
HOU4:55 pmHouston Hobby
Mar 24
HOU9:00 amHouston Hobby
8h 45m
2 stops
SEA3:45 pmSeattle/Tacoma Intl
$282
Southwest
Mar 17
SEA11:55 pmSeattle/Tacoma Intl
11h 05m
2 stops
HOU1:00 pmHouston Hobby
Mar 24
HOU9:00 amHouston Hobby
8h 45m
2 stops
SEA3:45 pmSeattle/Tacoma Intl
$287

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 February 19, 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

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 5/4

10:50 pm-5:16 am

Nonstop4h 26m

Houston George Bush Intcntl

Wed 5/13

9:33 am-5:42 pm

1 stop10h 09m

$255

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 5/5

9:13 am-3:46 pm

Nonstop4h 33m

Houston George Bush Intcntl

Sat 5/9

9:33 am-5:42 pm

1 stop10h 09m

$256

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 3/11

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

Tue 3/17

6:53 pm-9:52 pm

Nonstop4h 59m

$257

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Fri 4/17

12:59 am-9:26 am

1 stop6h 27m

Houston Hobby

Mon 4/20

8:21 pm-12:44 am

1 stop6h 23m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 5/7

10:50 pm-5:16 am

Nonstop4h 26m

Houston George Bush Intcntl

Mon 5/11

12:57 pm-8:20 pm

1 stop9h 23m

$258

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 5/8

4:20 pm-12:48 am

1 stop6h 28m

Houston George Bush Intcntl

Sat 5/9

9:33 am-5:42 pm

1 stop10h 09m

$261

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 3/21

10:08 pm-9:56 am

1 stop9h 48m

Houston George Bush Intcntl

Thu 3/26

9:43 am-11:19 am

1 stop27h 36m

$264

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sat 4/18

2:10 pm-11:47 pm

1 stop7h 37m

Houston Hobby

Tue 4/21

9:57 am-3:51 pm

1 stop7h 54m

$277

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 4/14

6:30 am-4:50 pm

2 stops8h 20m

Houston Hobby

Wed 4/22

8:45 am-1:35 pm

1 stop6h 50m

$278

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 3/17

6:00 am-4:55 pm

1 stop8h 55m

Houston Hobby

Tue 3/24

9:00 am-3:45 pm

2 stops8h 45m

$282

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 typical price of a round-trip flight between Seattle and Houston?

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 $300.

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 $377.

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 $382. Try not to purchase tickets in the morning because they tend to be around $568. 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 $366 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 $299 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
8,473 reviews
Search Spirit Airlines flights
DeltaPriceFrom $117Free CancellationRating
7.9
8,212 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,833 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $146Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $217Free CancellationRating
8.0
11,904 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,321 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.2
11,313 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,295 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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