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Cheap flights from Seattle to Houston from $158

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 7/3. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:41 pm - 10:42 am
SEA
-
IAH
13h 01m
1 stop
Frontier Logo
1:05 pm - 8:01 pm
IAH
-
SEA
8h 56m
1 stop
$255Frontier
wo, sep. 2 - vr, sep. 18
Frontier Logo
7:41 pm - 10:42 am
SEA
-
IAH
13h 01m
1 stop
Frontier Logo
1:05 pm - 8:01 pm
IAH
-
SEA
8h 56m
1 stop
$257Frontier
ma, aug. 31 - vr, sep. 18
Frontier Logo
12:26 pm - 2:56 pm
SEA
-
IAH
24h 30m
1 stop
Frontier Logo
6:10 am - 6:58 pm
IAH
-
SEA
14h 48m
1 stop
$260Frontier
za, aug. 8 - za, aug. 15
Frontier Logo
12:26 pm - 2:56 pm
SEA
-
IAH
24h 30m
1 stop
Frontier Logo
8:43 pm - 11:08 am
IAH
-
SEA
16h 25m
1 stop
$262Frontier
vr, aug. 7 - di, aug. 11
Frontier Logo
8:53 pm - 12:22 pm
SEA
-
IAH
13h 29m
1 stop
Frontier Logo
9:59 pm - 9:48 am
IAH
-
SEA
13h 49m
1 stop
$263Frontier
vr, aug. 14 - ma, aug. 24
Multiple Airlines Logo
5:33 pm - 11:59 pm
SEA
-
IAH
4h 26mnonstop
Multiple Airlines Logo
6:30 am - 2:04 pm
IAH
-
SEA
9h 34m
1 stop
$269Multiple Airlines
di, aug. 18 - wo, sep. 2
Delta Logo
6:00 am - 4:23 pm
SEA
-
HOU
8h 23m
1 stop
Delta Logo
5:35 pm - 11:59 pm
HOU
-
SEA
8h 24m
1 stop
$305Delta
di, sep. 1 - di, sep. 15
Southwest Logo
8:55 am - 3:10 pm
SEA
-
HOU
4h 15mnonstop
Southwest Logo
10:05 am - 2:25 pm
HOU
-
SEA
6h 20m
1 stop
$324Southwest
wo, sep. 30 - ma, okt. 5
Southwest Logo
7:40 am - 5:40 pm
SEA
-
HOU
8h 00m
1 stop
Southwest Logo
10:05 am - 2:25 pm
HOU
-
SEA
6h 20m
1 stop
$334Southwest
wo, sep. 30 - ma, okt. 5
Delta Logo
9:20 pm - 9:26 am
SEA
-
HOU
10h 06m
1 stop
Delta Logo
1:00 pm - 8:46 pm
HOU
-
SEA
9h 46m
1 stop
$337Delta
do, nov. 12 - wo, nov. 18

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Delta flights from Seattle to Houston

Our best Delta deals on Seattle to Houston flight tickets
Delta
Sep 1
SEA6:00 amSeattle/Tacoma Intl
8h 23m
1 stop
HOU4:23 pmHouston Hobby
Sep 15
HOU5:35 pmHouston Hobby
8h 24m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
$305
Delta
Nov 12
SEA9:20 pmSeattle/Tacoma Intl
10h 06m
1 stop
HOU9:26 amHouston Hobby
Nov 18
HOU1:00 pmHouston Hobby
9h 46m
1 stop
SEA8:46 pmSeattle/Tacoma Intl
$337
Delta
Nov 4
SEA11:35 pmSeattle/Tacoma Intl
7h 51m
1 stop
HOU9:26 amHouston Hobby
Nov 10
HOU10:05 amHouston Hobby
10h 54m
1 stop
SEA6:59 pmSeattle/Tacoma Intl
$362

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Sep 30
SEA8:55 amSeattle/Tacoma Intl
4h 15m
HOU3:10 pmHouston Hobby
Oct 5
HOU10:05 amHouston Hobby
6h 20m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$324
Southwest
Sep 30
SEA7:40 amSeattle/Tacoma Intl
8h 00m
1 stop
HOU5:40 pmHouston Hobby
Oct 5
HOU10:05 amHouston Hobby
6h 20m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$334
Southwest
Nov 12
SEA5:15 amSeattle/Tacoma Intl
5h 55m
1 stop
HOU1:10 pmHouston Hobby
Nov 18
HOU12:00 pmHouston Hobby
8h 35m
2 stops
SEA6:35 pmSeattle/Tacoma Intl
$339

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 juni 15, 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

wo 9/2

7:41 pm-10:42 am

1 stop13h 01m

Houston George Bush Intcntl

vr 9/18

1:05 pm-8:01 pm

1 stop8h 56m

$255

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ma 8/31

7:41 pm-10:42 am

1 stop13h 01m

Houston George Bush Intcntl

vr 9/18

1:05 pm-8:01 pm

1 stop8h 56m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

za 8/8

12:26 pm-2:56 pm

1 stop24h 30m

Houston George Bush Intcntl

za 8/15

6:10 am-6:58 pm

1 stop14h 48m

$260

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

vr 8/7

12:26 pm-2:56 pm

1 stop24h 30m

Houston George Bush Intcntl

di 8/11

8:43 pm-11:08 am

1 stop16h 25m

$262

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

vr 8/14

8:53 pm-12:22 pm

1 stop13h 29m

Houston George Bush Intcntl

ma 8/24

9:59 pm-9:48 am

1 stop13h 49m

$263

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

di 8/18

5:33 pm-11:59 pm

Nonstop4h 26m

Houston George Bush Intcntl

wo 9/2

6:30 am-2:04 pm

1 stop9h 34m

$269

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

di 9/1

6:00 am-4:23 pm

1 stop8h 23m

Houston Hobby

di 9/15

5:35 pm-11:59 pm

1 stop8h 24m

$305
Quickest round-trip

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

wo 9/30

8:55 am-3:10 pm

Nonstop4h 15m

Houston Hobby

ma 10/5

10:05 am-2:25 pm

1 stop6h 20m

$324

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

wo 9/30

7:40 am-5:40 pm

1 stop8h 00m

Houston Hobby

ma 10/5

10:05 am-2:25 pm

1 stop6h 20m

$334

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

do 11/12

9:20 pm-9:26 am

1 stop10h 06m

Houston Hobby

wo 11/18

1:00 pm-8:46 pm

1 stop9h 46m

$337

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 April is, on average, the cheapest month to fly to Houston from Seattle, with most prices found around $48. The month of July is another great option to travel to Houston, with average flight prices from Seattle averaging around $77.

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 $220. 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 $560.

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 $384. Try not to purchase tickets in the morning because they tend to be around $555. 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 from Seattle 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 $387 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 $283 on momondo.

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

There are 4 cabin classes available to choose from on Seattle 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 10m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Seattle to Houston takes 4h 10m
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

Frequently asked questions about flying from Seattle to Houston

  • 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 10m, 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
DeltaPriceFrom $88Free CancellationRating
7.9
8,394 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $97Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $133Free CancellationRating
5.6
2,888 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $207Free CancellationRating
7.9
12,508 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,828 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
7.9
4,235 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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