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Cheap flights from Houston to Seattle from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Seattle departing on 1/28. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:09 pm - 12:07 pmIAH-SEA
23h 58m1 stop
Frontier Logo
2:17 pm - 8:38 pmSEA-IAH
28h 21m1 stop
$183Frontier
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Tue, Nov 18 - Tue, Nov 25
Multiple Airlines Logo
6:45 am - 11:53 amIAH-SEA
7h 08m1 stop
Multiple Airlines Logo
5:36 pm - 11:59 pmSEA-IAH
4h 23mnonstop
$184Multiple Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
Frontier Logo
10:20 am - 11:53 amIAH-SEA
27h 33m2 stops
Frontier Logo
10:51 am - 8:21 pmSEA-IAH
7h 30m1 stop
$185Frontier
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Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
7:24 pm - 1:30 pmIAH-SEA
20h 06m1 stop
Multiple Airlines Logo
11:01 am - 8:25 amSEA-IAH
19h 24m2 stops
$187Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
Frontier Logo
10:35 pm - 12:42 amIAH-SEA
28h 07m2 stops
Frontier Logo
1:25 pm - 12:38 amSEA-IAH
9h 13m1 stop
$188Frontier
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
2:32 pm - 11:59 pmHOU-SEA
11h 27m1 stop
Delta Logo
2:25 pm - 9:34 amSEA-HOU
17h 09m2 stops
$256Delta
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Sat, Dec 6 - Wed, Dec 10
Southwest Logo
5:25 am - 9:45 amHOU-SEA
6h 20m1 stop
Southwest Logo
5:45 am - 3:25 pmSEA-HOU
7h 40m1 stop
$257Southwest
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Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
6:00 am - 3:25 pmHOU-SEA
11h 25m1 stop
American Airlines Logo
11:59 pm - 8:32 amSEA-HOU
6h 33m1 stop
$260American Airlines
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Thu, Nov 27 - Sat, Jan 3
Southwest Logo
2:25 pm - 8:00 pmHOU-SEA
7h 35m1 stop
Southwest Logo
10:50 am - 10:05 pmSEA-HOU
9h 15m2 stops
$262Southwest
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Sat, Dec 6 - Tue, Dec 9
American Airlines Logo
5:44 am - 10:43 amHOU-SEA
6h 59m1 stop
American Airlines Logo
11:55 am - 10:46 pmSEA-HOU
8h 51m1 stop
$276American Airlines
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Wed, Dec 17 - Tue, Jan 6

Frontier flights from Houston to Seattle

Our best Frontier deals on Houston to Seattle flight tickets
Frontier
Jan 18
IAH9:09 pmHouston George Bush Intcntl
17h 17m
2 stops
SEA12:26 pmSeattle/Tacoma Intl
Jan 25
SEA1:39 pmSeattle/Tacoma Intl
8h 52m
1 stop
IAH12:31 amHouston George Bush Intcntl
$183
Find similar
Frontier
Dec 12
IAH10:20 amHouston George Bush Intcntl
27h 33m
2 stops
SEA11:53 amSeattle/Tacoma Intl
Dec 14
SEA10:51 amSeattle/Tacoma Intl
7h 30m
1 stop
IAH8:21 pmHouston George Bush Intcntl
$185
Find similar
Frontier
Dec 24
IAH10:35 pmHouston George Bush Intcntl
28h 07m
2 stops
SEA12:42 amSeattle/Tacoma Intl
Dec 31
SEA1:25 pmSeattle/Tacoma Intl
9h 13m
1 stop
IAH12:38 amHouston George Bush Intcntl
$188
Find similar

American Airlines flights from Houston to Seattle

Our best American Airlines deals on Houston to Seattle flight tickets
American Airlines
Nov 27
HOU6:00 amHouston Hobby
11h 25m
1 stop
SEA3:25 pmSeattle/Tacoma Intl
Jan 3
SEA11:59 pmSeattle/Tacoma Intl
6h 33m
1 stop
HOU8:32 amHouston Hobby
$260
Find similar
American Airlines
Dec 17
HOU5:44 amHouston Hobby
6h 59m
1 stop
SEA10:43 amSeattle/Tacoma Intl
Jan 6
SEA11:55 amSeattle/Tacoma Intl
8h 51m
1 stop
HOU10:46 pmHouston Hobby
$276
Find similar
American Airlines
Dec 5
HOU12:16 pmHouston Hobby
7h 35m
1 stop
SEA5:51 pmSeattle/Tacoma Intl
Dec 10
SEA8:30 amSeattle/Tacoma Intl
7h 29m
1 stop
HOU5:59 pmHouston Hobby
$286
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to Seattle 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 November 13, 2025.
Use the filters below to find and compare flights from Houston to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 11/18

2:09 pm-12:07 pm

1 stop23h 58m

Seattle/Tacoma Intl

Tue 11/25

2:17 pm-8:38 pm

1 stop28h 21m

$183

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 12/13

6:45 am-11:53 am

1 stop7h 08m

Seattle/Tacoma Intl

Tue 12/16

5:36 pm-11:59 pm

Nonstop4h 23m

$184

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 12/12

10:20 am-11:53 am

2 stops27h 33m

Seattle/Tacoma Intl

Sun 12/14

10:51 am-8:21 pm

1 stop7h 30m

$185

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 12/12

7:24 pm-1:30 pm

1 stop20h 06m

Seattle/Tacoma Intl

Mon 12/15

11:01 am-8:25 am

2 stops19h 24m

$187

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 12/24

10:35 pm-12:42 am

2 stops28h 07m

Seattle/Tacoma Intl

Wed 12/31

1:25 pm-12:38 am

1 stop9h 13m

$188

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 12/6

2:32 pm-11:59 pm

1 stop11h 27m

Seattle/Tacoma Intl

Wed 12/10

2:25 pm-9:34 am

2 stops17h 09m

$256

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 12/6

5:25 am-9:45 am

1 stop6h 20m

Seattle/Tacoma Intl

Sat 12/13

5:45 am-3:25 pm

1 stop7h 40m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 11/27

6:00 am-3:25 pm

1 stop11h 25m

Seattle/Tacoma Intl

Sat 1/3

11:59 pm-8:32 am

1 stop6h 33m

$260

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 12/6

2:25 pm-8:00 pm

1 stop7h 35m

Seattle/Tacoma Intl

Tue 12/9

10:50 am-10:05 pm

2 stops9h 15m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 12/17

5:44 am-10:43 am

1 stop6h 59m

Seattle/Tacoma Intl

Tue 1/6

11:55 am-10:46 pm

1 stop8h 51m

$276

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 Seattle from

How to get the cheapest flight ticket from Houston to Seattle

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 Seattle?

In general, October is the cheapest month to fly from Houston to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you don’t want to visit Seattle in October, then you should wait until September to fly from Houston, when ticket prices are also cheap, with an average price of $296.

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

On average, the least expensive day to fly to Seattle from Houston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $379. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $417.

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

Flying to Seattle from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $473 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $535. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston to Seattle/Tacoma Intl flight route?

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

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

You are more likely to see cheaper flights to Seattle from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Houston for as low as $317 on momondo.

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

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

Cheap Houston to Seattle flight deals and tips

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

Fastest flight time

4h 41m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Houston to Seattle takes 4h 41m
Direct flights go from Houston to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    A flight from Houston to Seattle/Tacoma Intl will travel around 1888.8 mi. A reasonable flight in good conditions will take 4h 55m.

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

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

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

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

    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 Houston to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport 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 Houston to Seattle

Compare and see reviews for airlines that fly from Houston to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,114 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $222Free CancellationRating
8.0
11,281 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

Why use momondo?

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

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

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

Flights from Houston to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Houston and Seattle 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 Houston to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Houston 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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