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Cheap flights from Seattle to Houston from C$ 150

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 1/10. 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

Hawaiian Airlines Logo
5:40 p.m. - 12:06 a.m.SEA-IAH
4h 26mdirect
Hawaiian Airlines Logo
7:28 p.m. - 10:17 p.m.IAH-SEA
4h 49mdirect
C$ 299Hawaiian Airlines
Find Deal
Tue, 23 Sep - Sat, 27 Sep
Alaska Airlines Logo
7:50 a.m. - 4:59 p.m.SEA-IAH
7h 09m1 stop
Alaska Airlines Logo
7:28 p.m. - 10:17 p.m.IAH-SEA
4h 49mdirect
C$ 305Alaska Airlines
Find Deal
Wed, 17 Sep - Wed, 17 Sep
Hawaiian Airlines Logo
5:40 p.m. - 12:06 a.m.SEA-IAH
4h 26mdirect
Hawaiian Airlines Logo
8:00 a.m. - 10:45 a.m.IAH-SEA
4h 45mdirect
C$ 308Hawaiian Airlines
Find Deal
Thu, 25 Sep - Tue, 30 Sep
Alaska Airlines Logo
5:20 a.m. - 4:54 p.m.SEA-IAH
9h 34m1 stop
Alaska Airlines Logo
7:28 p.m. - 10:17 p.m.IAH-SEA
4h 49mdirect
C$ 313Alaska Airlines
Find Deal
Wed, 27 Aug - Tue, 9 Sep
Alaska Airlines Logo
11:59 p.m. - 6:20 a.m.SEA-IAH
4h 21mdirect
Alaska Airlines Logo
9:00 a.m. - 11:45 a.m.IAH-SEA
4h 45mdirect
C$ 319Alaska Airlines
Find Deal
Mon, 18 Aug - Tue, 19 Aug
United Airlines Logo
3:48 p.m. - 11:59 p.m.SEA-IAH
6h 11m1 stop
United Airlines Logo
12:50 p.m. - 6:00 p.m.IAH-SEA
7h 10m1 stop
C$ 320United Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Frontier Logo
8:31 p.m. - 12:07 p.m.SEA-IAH
13h 36m1 stop
Frontier Logo
7:30 a.m. - 10:59 p.m.IAH-SEA
17h 29m1 stop
C$ 356Frontier
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Thu, 25 Sep - Tue, 30 Sep
United Airlines Logo
1:55 p.m. - 8:13 p.m.SEA-IAH
4h 18mdirect
United Airlines Logo
7:35 a.m. - 1:58 p.m.IAH-SEA
8h 23m1 stop
C$ 363United Airlines
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Fri, 16 Jan - Sat, 24 Jan
Delta Logo
7:25 a.m. - 9:29 p.m.SEA-IAH
12h 04m2 stops
Delta Logo
11:22 a.m. - 4:40 p.m.IAH-SEA
7h 18m1 stop
C$ 366Delta
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Sat, 13 Sep - Tue, 16 Sep
Delta Logo
7:10 a.m. - 6:02 p.m.SEA-IAH
8h 52m1 stop
Delta Logo
7:15 p.m. - 11:59 p.m.IAH-SEA
6h 44m1 stop
C$ 382Delta
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Thu, 18 Sep - Mon, 22 Sep

United Airlines flights from Seattle to Houston George Bush Intcntl Airport

Our best United Airlines deals on Seattle to Houston George Bush Intcntl Airport flight tickets
United Airlines
11 Nov
SEA3:48 p.m.Seattle/Tacoma Intl
6h 11m
1 stop
IAH11:59 p.m.Houston George Bush Intcntl
18 Nov
IAH12:50 p.m.Houston George Bush Intcntl
7h 10m
1 stop
SEA6:00 p.m.Seattle/Tacoma Intl
C$ 320
Find similar
United Airlines
16 Jan
SEA1:55 p.m.Seattle/Tacoma Intl
4h 18m
IAH8:13 p.m.Houston George Bush Intcntl
24 Jan
IAH7:35 a.m.Houston George Bush Intcntl
8h 23m
1 stop
SEA1:58 p.m.Seattle/Tacoma Intl
C$ 363
Find similar
United Airlines
21 Aug
SEA1:05 p.m.Seattle/Tacoma Intl
7h 06m
1 stop
IAH10:11 p.m.Houston George Bush Intcntl
30 Aug
IAH8:05 p.m.Houston George Bush Intcntl
4h 47m
SEA10:52 p.m.Seattle/Tacoma Intl
C$ 372
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Delta flights from Seattle to Houston George Bush Intcntl Airport

Our best Delta deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Delta
13 Sep
SEA7:25 a.m.Seattle/Tacoma Intl
12h 04m
2 stops
IAH9:29 p.m.Houston George Bush Intcntl
16 Sep
IAH11:22 a.m.Houston George Bush Intcntl
7h 18m
1 stop
SEA4:40 p.m.Seattle/Tacoma Intl
C$ 366
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Delta
18 Sep
SEA7:10 a.m.Seattle/Tacoma Intl
8h 52m
1 stop
IAH6:02 p.m.Houston George Bush Intcntl
22 Sep
IAH7:15 p.m.Houston George Bush Intcntl
6h 44m
1 stop
SEA11:59 p.m.Seattle/Tacoma Intl
C$ 382
Find similar
Delta
13 Sep
SEA7:25 a.m.Seattle/Tacoma Intl
12h 04m
2 stops
IAH9:29 p.m.Houston George Bush Intcntl
19 Sep
IAH7:15 p.m.Houston George Bush Intcntl
6h 44m
1 stop
SEA11:59 p.m.Seattle/Tacoma Intl
C$ 393
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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 96,600 searches. Data last updated 31 July 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

Tue 23/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Sat 27/9

7:28 p.m.-10:17 p.m.

Nonstop4h 49m

C$ 299

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 17/9

7:50 a.m.-4:59 p.m.

1 stop7h 09m

Houston George Bush Intcntl

Wed 17/9

7:28 p.m.-10:17 p.m.

Nonstop4h 49m

C$ 305

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 25/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Tue 30/9

8:00 a.m.-10:45 a.m.

Nonstop4h 45m

C$ 308

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 27/8

5:20 a.m.-4:54 p.m.

1 stop9h 34m

Houston George Bush Intcntl

Tue 9/9

7:28 p.m.-10:17 p.m.

Nonstop4h 49m

C$ 313

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 18/8

11:59 p.m.-6:20 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Tue 19/8

9:00 a.m.-11:45 a.m.

Nonstop4h 45m

C$ 319

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 11/11

3:48 p.m.-11:59 p.m.

1 stop6h 11m

Houston George Bush Intcntl

Tue 18/11

12:50 p.m.-6:00 p.m.

1 stop7h 10m

C$ 320

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 25/9

8:31 p.m.-12:07 p.m.

1 stop13h 36m

Houston George Bush Intcntl

Tue 30/9

7:30 a.m.-10:59 p.m.

1 stop17h 29m

C$ 356

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 16/1

1:55 p.m.-8:13 p.m.

Nonstop4h 18m

Houston George Bush Intcntl

Sat 24/1

7:35 a.m.-1:58 p.m.

1 stop8h 23m

C$ 363

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 13/9

7:25 a.m.-9:29 p.m.

2 stops12h 04m

Houston George Bush Intcntl

Tue 16/9

11:22 a.m.-4:40 p.m.

1 stop7h 18m

C$ 366

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 18/9

7:10 a.m.-6:02 p.m.

1 stop8h 52m

Houston George Bush Intcntl

Mon 22/9

7:15 p.m.-11:59 p.m.

1 stop6h 44m

C$ 382

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 typical price of a round-trip flight between Seattle and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

If you don’t want to visit Houston George Bush Intcntl Airport in September, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 477.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart on your flight to Houston George Bush Intcntl Airport is on a Wednesday when prices can be found for as low as C$ 608. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 898. These prices are subject to change though, so be sure to set up a Price Alert for flights to Houston George Bush Intcntl Airport.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Flying to Houston George Bush Intcntl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 519 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around C$ 991. 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 C$ 542 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 C$ 422 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 July 2025, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 8% 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

C$ 150

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 C$ 150. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is C$ 299.
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 distance between Seattle/Tacoma Intl and Houston George Bush Intcntl is about 3022.3 km. A reasonable flight in good conditions will take 4h 15m.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 C$ 206Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Alaska AirlinesPriceFrom C$ 298Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

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

    Alaska Airlines operates around 14 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 C$ 366, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as C$ 216 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Humble
The Woodlands
Spring

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Houston. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between Seattle and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Houston from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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