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Cheap flights from Houston to Seattle 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 Houston to Seattle departing on 1/27. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:35 am - 11:09 am
IAH
-
SEA
6h 34m1 stop
Frontier Logo
12:34 pm - 12:33 am
SEA
-
IAH
9h 59m1 stop
$252Frontier
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
6:37 pm - 7:51 pm
IAH
-
SEA
27h 14m1 stop
Frontier Logo
12:19 pm - 12:33 am
SEA
-
IAH
10h 14m1 stop
$253Frontier
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
6:35 am - 11:09 am
IAH
-
SEA
6h 34m1 stop
Multiple Airlines Logo
8:25 am - 4:55 pm
SEA
-
IAH
6h 30m1 stop
$254Multiple Airlines
Thu, Jan 15 - Sun, Jan 18
Multiple Airlines Logo
6:45 am - 4:29 pm
IAH
-
SEA
11h 44m2 stops
Multiple Airlines Logo
10:51 am - 5:55 am
SEA
-
IAH
17h 04m1 stop
$255Multiple Airlines
Mon, Jan 12 - Mon, Jan 19
American Airlines Logo
6:00 am - 11:00 am
HOU
-
SEA
7h 00m1 stop
American Airlines Logo
11:59 pm - 9:44 am
SEA
-
HOU
7h 45m1 stop
$256American Airlines
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
6:05 am - 12:33 pm
IAH
-
SEA
8h 28m1 stop
American Airlines Logo
10:31 am - 8:23 pm
SEA
-
IAH
7h 52m1 stop
$256American Airlines
Wed, Feb 18 - Wed, Feb 25
Alaska Airlines Logo
7:17 pm - 10:10 pm
IAH
-
SEA
4h 53mnonstop
Alaska Airlines Logo
5:39 pm - 11:54 pm
SEA
-
IAH
4h 15mnonstop
$257Alaska Airlines
Sat, Jan 17 - Mon, Jan 19
American Airlines Logo
12:49 pm - 5:45 pm
HOU
-
SEA
6h 56m1 stop
American Airlines Logo
8:35 am - 6:06 pm
SEA
-
HOU
7h 31m1 stop
$257American Airlines
Sat, Jan 17 - Sat, Jan 24
Southwest Logo
11:10 am - 4:50 pm
HOU
-
SEA
7h 40m2 stops
Southwest Logo
5:15 am - 1:10 pm
SEA
-
HOU
5h 55m1 stop
$262Southwest
Sat, Jan 24 - Sat, Jan 31
Southwest Logo
10:15 am - 4:50 pm
HOU
-
SEA
8h 35m2 stops
Southwest Logo
5:15 am - 3:05 pm
SEA
-
HOU
7h 50m2 stops
$267Southwest
Sat, Jan 24 - Sat, Jan 31

Frontier flights from Houston to Seattle

Our best Frontier deals on Houston to Seattle flight tickets
Frontier
Jan 19
IAH6:35 amHouston George Bush Intcntl
6h 34m
1 stop
SEA11:09 amSeattle/Tacoma Intl
Jan 22
SEA12:34 pmSeattle/Tacoma Intl
9h 59m
1 stop
IAH12:33 amHouston George Bush Intcntl
$252
Find similar
Frontier
Jan 15
IAH6:37 pmHouston George Bush Intcntl
27h 14m
1 stop
SEA7:51 pmSeattle/Tacoma Intl
Jan 19
SEA12:19 pmSeattle/Tacoma Intl
10h 14m
1 stop
IAH12:33 amHouston George Bush Intcntl
$253
Find similar
Frontier
Mar 11
IAH10:56 pmHouston George Bush Intcntl
20h 13m
2 stops
SEA5:09 pmSeattle/Tacoma Intl
Mar 15
SEA9:35 pmSeattle/Tacoma Intl
12h 30m
1 stop
IAH12:05 pmHouston George Bush Intcntl
$260
Find similar

Delta flights from Houston to Seattle

Our best Delta deals on Houston to Seattle flight tickets
Delta
Jan 17
IAH4:25 pmHouston George Bush Intcntl
8h 25m
1 stop
SEA10:50 pmSeattle/Tacoma Intl
Jan 21
SEA7:25 amSeattle/Tacoma Intl
14h 12m
2 stops
IAH11:37 pmHouston George Bush Intcntl
$276
Find similar
Delta
Jan 15
IAH6:20 amHouston George Bush Intcntl
16h 28m
2 stops
SEA8:48 pmSeattle/Tacoma Intl
Jan 20
SEA6:05 amSeattle/Tacoma Intl
10h 41m
1 stop
IAH6:46 pmHouston George Bush Intcntl
$286
Find similar
Delta
Mar 30
IAH7:10 pmHouston George Bush Intcntl
6h 53m
1 stop
SEA12:03 amSeattle/Tacoma Intl
Apr 23
SEA11:00 pmSeattle/Tacoma Intl
7h 42m
1 stop
IAH8:42 amHouston George Bush Intcntl
$297
Find similar

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 December 28, 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

Mon 1/19

6:35 am-11:09 am

1 stop6h 34m

Seattle/Tacoma Intl

Thu 1/22

12:34 pm-12:33 am

1 stop9h 59m

$252

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 1/15

6:37 pm-7:51 pm

1 stop27h 14m

Seattle/Tacoma Intl

Mon 1/19

12:19 pm-12:33 am

1 stop10h 14m

$253

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 1/15

6:35 am-11:09 am

1 stop6h 34m

Seattle/Tacoma Intl

Sun 1/18

8:25 am-4:55 pm

1 stop6h 30m

$254

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 1/12

6:45 am-4:29 pm

2 stops11h 44m

Seattle/Tacoma Intl

Mon 1/19

10:51 am-5:55 am

1 stop17h 04m

$255

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 2/18

6:00 am-11:00 am

1 stop7h 00m

Seattle/Tacoma Intl

Wed 2/25

11:59 pm-9:44 am

1 stop7h 45m

$256

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 2/18

6:05 am-12:33 pm

1 stop8h 28m

Seattle/Tacoma Intl

Wed 2/25

10:31 am-8:23 pm

1 stop7h 52m

$256

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 1/17

7:17 pm-10:10 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Mon 1/19

5:39 pm-11:54 pm

Nonstop4h 15m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/17

12:49 pm-5:45 pm

1 stop6h 56m

Seattle/Tacoma Intl

Sat 1/24

8:35 am-6:06 pm

1 stop7h 31m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/24

11:10 am-4:50 pm

2 stops7h 40m

Seattle/Tacoma Intl

Sat 1/31

5:15 am-1:10 pm

1 stop5h 55m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/24

10:15 am-4:50 pm

2 stops8h 35m

Seattle/Tacoma Intl

Sat 1/31

5:15 am-3:05 pm

2 stops7h 50m

$267

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 $289.

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 $471 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $522. 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 $361 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 $310 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 in Seattle. From Houston there are direct flights to 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 41m.

  • 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 $104Free CancellationRating
6.3
8,214 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,016 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $229Free CancellationRating
8.0
11,554 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
9,114 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
Marysville
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Fife
Centralia
Westport
Kirkland
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.

An easier way to manage your Seattle trip

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