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Cheap flights from Seattle to Houston from C$ 178

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 3/8. 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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Find the cheapest flights from Seattle to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 p.m. - 11:26 p.m.
SEA
-
IAH
4h 26mdirect
United Airlines Logo
6:05 p.m. - 8:53 p.m.
IAH
-
SEA
4h 48mdirect
C$ 458United Airlines
Tue, 2 Jun - Tue, 9 Jun
JetBlue Logo
10:15 p.m. - 10:55 a.m.
SEA
-
IAH
10h 40m
1 stop
JetBlue Logo
11:45 a.m. - 9:15 p.m.
IAH
-
SEA
11h 30m
1 stop
C$ 483JetBlue
Fri, 16 Oct - Sat, 24 Oct
Delta Logo
11:59 p.m. - 9:51 a.m.
SEA
-
IAH
7h 52m
1 stop
Delta Logo
7:59 p.m. - 12:10 a.m.
IAH
-
SEA
6h 11m
1 stop
C$ 486Delta
Tue, 26 May - Tue, 2 Jun
United Airlines Logo
5:00 a.m. - 11:21 a.m.
SEA
-
IAH
4h 21mdirect
United Airlines Logo
4:25 p.m. - 7:12 p.m.
IAH
-
SEA
4h 47mdirect
C$ 494United Airlines
Sat, 30 May - Sat, 6 Jun
United Airlines Logo
12:04 p.m. - 6:44 p.m.
SEA
-
IAH
4h 40mdirect
United Airlines Logo
8:02 p.m. - 10:51 p.m.
IAH
-
SEA
4h 49mdirect
C$ 499United Airlines
Tue, 2 Jun - Fri, 5 Jun
United Airlines Logo
5:00 p.m. - 11:26 p.m.
SEA
-
IAH
4h 26mdirect
United Airlines Logo
4:25 p.m. - 7:12 p.m.
IAH
-
SEA
4h 47mdirect
C$ 501United Airlines
Wed, 3 Jun - Sat, 6 Jun
United Airlines Logo
5:07 a.m. - 1:40 p.m.
SEA
-
IAH
6h 33m
1 stop
United Airlines Logo
6:05 p.m. - 8:53 p.m.
IAH
-
SEA
4h 48mdirect
C$ 513United Airlines
Sun, 24 May - Tue, 2 Jun
United Airlines Logo
5:00 a.m. - 11:21 a.m.
SEA
-
IAH
4h 21mdirect
United Airlines Logo
4:25 p.m. - 7:12 p.m.
IAH
-
SEA
4h 47mdirect
C$ 516United Airlines
Sat, 30 May - Sat, 6 Jun
United Airlines Logo
5:00 a.m. - 11:21 a.m.
SEA
-
IAH
4h 21mdirect
United Airlines Logo
8:05 p.m. - 10:54 p.m.
IAH
-
SEA
4h 49mdirect
C$ 521United Airlines
Sat, 30 May - Sun, 31 May
Delta Logo
12:40 p.m. - 11:55 p.m.
SEA
-
IAH
9h 15m
1 stop
Delta Logo
5:20 a.m. - 2:53 p.m.
IAH
-
SEA
11h 33m
1 stop
C$ 527Delta
Mon, 25 May - Sat, 30 May

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
2 Jun
SEA5:00 p.m.Seattle/Tacoma Intl
4h 26m
IAH11:26 p.m.Houston George Bush Intcntl
9 Jun
IAH6:05 p.m.Houston George Bush Intcntl
4h 48m
SEA8:53 p.m.Seattle/Tacoma Intl
C$ 458
United Airlines
30 May
SEA5:00 a.m.Seattle/Tacoma Intl
4h 21m
IAH11:21 a.m.Houston George Bush Intcntl
6 Jun
IAH4:25 p.m.Houston George Bush Intcntl
4h 47m
SEA7:12 p.m.Seattle/Tacoma Intl
C$ 494
United Airlines
2 Jun
SEA12:04 p.m.Seattle/Tacoma Intl
4h 40m
IAH6:44 p.m.Houston George Bush Intcntl
5 Jun
IAH8:02 p.m.Houston George Bush Intcntl
4h 49m
SEA10:51 p.m.Seattle/Tacoma Intl
C$ 499

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
26 May
SEA11:59 p.m.Seattle/Tacoma Intl
7h 52m
1 stop
IAH9:51 a.m.Houston George Bush Intcntl
2 Jun
IAH7:59 p.m.Houston George Bush Intcntl
6h 11m
1 stop
SEA12:10 a.m.Seattle/Tacoma Intl
C$ 486
Delta
25 May
SEA12:40 p.m.Seattle/Tacoma Intl
9h 15m
1 stop
IAH11:55 p.m.Houston George Bush Intcntl
30 May
IAH5:20 a.m.Houston George Bush Intcntl
11h 33m
1 stop
SEA2:53 p.m.Seattle/Tacoma Intl
C$ 527
Delta
23 May
SEA1:40 p.m.Seattle/Tacoma Intl
17h 04m
2 stops
IAH8:44 a.m.Houston George Bush Intcntl
2 Jun
IAH3:25 p.m.Houston George Bush Intcntl
9h 21m
1 stop
SEA10:46 p.m.Seattle/Tacoma Intl
C$ 551

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 5 May 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

Tue 2/6

5:00 p.m.-11:26 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Tue 9/6

6:05 p.m.-8:53 p.m.

Nonstop4h 48m

C$ 458

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 16/10

10:15 p.m.-10:55 a.m.

1 stop10h 40m

Houston George Bush Intcntl

Sat 24/10

11:45 a.m.-9:15 p.m.

1 stop11h 30m

C$ 483

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 26/5

11:59 p.m.-9:51 a.m.

1 stop7h 52m

Houston George Bush Intcntl

Tue 2/6

7:59 p.m.-12:10 a.m.

1 stop6h 11m

C$ 486
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 30/5

5:00 a.m.-11:21 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Sat 6/6

4:25 p.m.-7:12 p.m.

Nonstop4h 47m

C$ 494

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 2/6

12:04 p.m.-6:44 p.m.

Nonstop4h 40m

Houston George Bush Intcntl

Fri 5/6

8:02 p.m.-10:51 p.m.

Nonstop4h 49m

C$ 499

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 3/6

5:00 p.m.-11:26 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Sat 6/6

4:25 p.m.-7:12 p.m.

Nonstop4h 47m

C$ 501

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 24/5

5:07 a.m.-1:40 p.m.

1 stop6h 33m

Houston George Bush Intcntl

Tue 2/6

6:05 p.m.-8:53 p.m.

Nonstop4h 48m

C$ 513

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 30/5

5:00 a.m.-11:21 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Sat 6/6

4:25 p.m.-7:12 p.m.

Nonstop4h 47m

C$ 516

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 30/5

5:00 a.m.-11:21 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Sun 31/5

8:05 p.m.-10:54 p.m.

Nonstop4h 49m

C$ 521

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 25/5

12:40 p.m.-11:55 p.m.

1 stop9h 15m

Houston George Bush Intcntl

Sat 30/5

5:20 a.m.-2:53 p.m.

1 stop11h 33m

C$ 527

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 October to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 431.

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 Saturday when prices can be found for as low as C$ 460. 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$ 978. 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$ 451 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 885. 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 from Seattle 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$ 506 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$ 313 on momondo.

Can stopping save me money on Seattle to Houston George Bush Intcntl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Houston George Bush Intcntl Airport flight.

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

As of May 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 25% 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$ 568

Fastest flight time

4h 33m

Direct flights

Every day
The best flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is C$ 568
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 33m
Direct flights go from Seattle to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Seattle to Houston George Bush Intcntl Airport

  • 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 33m.

  • 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$ 218Free CancellationRating
5.6
2,965 reviews
Search Frontier flights

Travelling to a place near Houston?

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

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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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