Seattle

$163+ Cheap flights from Houston to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jun 4 — Jun 111
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Find cheap flights from Houston to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston to Seattle/Tacoma Intl are usually found in October or September, booked 70 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Houston to Seattle

Cheapest flights from Houston to Seattle
Explore the most affordable flight options available from Houston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:10 am
IAH
-
SEA
1 stop14h 02m
Frontier
Sat 7/187:41 pm
SEA
-
IAH
1 stop12h 53m
Frontier
Deal found 5/3$264
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:05 pm
IAH
-
SEA
1 stop13h 44m
Frontier
Fri 5/223:19 pm
SEA
-
IAH
1 stop7h 25m
Frontier
Deal found 5/2$265
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:05 pm
IAH
-
SEA
1 stop13h 44m
Frontier
Thu 5/2111:51 am
SEA
-
IAH
1 stop11h 34m
Frontier
Deal found 5/2$266
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:13 am
IAH
-
SEA
1 stop14h 52m
Frontier
Sat 5/3011:51 am
SEA
-
IAH
1 stop9h 28m
Frontier
Deal found 5/3$267
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:40 pm
IAH
-
SEA
1 stop18h 09m
Frontier
Mon 5/258:20 pm
SEA
-
IAH
1 stop14h 13m
Frontier
Deal found 5/2$268
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:30 am
IAH
-
SEA
1 stop29h 19m
Frontier
Sat 5/166:52 pm
SEA
-
IAH
1 stop16h 52m
Frontier
Deal found 4/30$269
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:40 pm
IAH
-
SEA
1 stop18h 26m
Frontier
Mon 6/87:50 pm
SEA
-
IAH
1 stop12h 52m
Frontier
Deal found 5/1$270
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:30 am
IAH
-
SEA
1 stop15h 35m
Frontier
Sat 5/3011:51 am
SEA
-
IAH
1 stop9h 28m
Frontier
Deal found 5/4$271
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:40 pm
IAH
-
SEA
1 stop21h 09m
Frontier
Sat 5/166:52 pm
SEA
-
IAH
1 stop16h 52m
Frontier
Deal found 4/30$272
This Booking.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:30 am
IAH
-
SEA
1 stop15h 35m
Frontier
Mon 6/111:51 am
SEA
-
IAH
1 stop11h 34m
Frontier
Deal found 5/2$273
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:30 am
IAH
-
SEA
1 stop29h 19m
Frontier
Thu 5/217:50 pm
SEA
-
IAH
1 stop12h 54m
Frontier
Deal found 5/1$276
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:23 pm
HOU
-
SEA
1 stop6h 36m
American Airlines
Fri 6/512:49 am
SEA
-
HOU
1 stop6h 08m
American Airlines
Deal found 4/30$387

Find flight deals from Houston to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 5, 2026.

Round-trip from

$264
(Frontier)

One-way from

$163
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$408
From Houston to Seattle/Tacoma Intl
One-way flight from Houston to Seattle/Tacoma Intl
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 5, 2026.
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

Cheapest round-trip

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 6/20

9:30 pm-12:05 am

Nonstop4h 35m

Seattle/Tacoma Intl

Wed 6/24

3:05 pm-12:25 am

1 stop7h 20m

$435

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 5/29

8:02 pm-10:51 pm

Nonstop4h 49m

Seattle/Tacoma Intl

Sun 5/31

11:57 pm-6:18 am

Nonstop4h 21m

$435
Quickest round-trip

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 6/10

8:00 am-10:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Wed 7/15

10:52 am-5:16 pm

Nonstop4h 24m

$447

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 8/23

7:00 am-9:42 am

Nonstop4h 42m

Seattle/Tacoma Intl

Sat 8/29

5:31 pm-11:59 pm

Nonstop4h 28m

$447

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 6/27

7:55 pm-10:42 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Tue 7/7

7:00 am-1:26 pm

Nonstop4h 26m

$447

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 8/2

8:00 am-10:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Mon 8/3

5:33 pm-11:59 pm

Nonstop4h 26m

$447

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 6/8

6:00 am-8:49 am

Nonstop4h 49m

Seattle/Tacoma Intl

Tue 7/14

11:57 pm-6:20 am

Nonstop4h 23m

$447

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 8/1

9:30 pm-12:05 am

Nonstop4h 35m

Seattle/Tacoma Intl

Wed 8/5

11:05 pm-8:25 am

1 stop7h 20m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 9/25

6:18 pm-10:56 pm

1 stop6h 38m

Seattle/Tacoma Intl

Fri 10/2

7:00 am-1:27 pm

Nonstop4h 27m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 9/24

6:14 pm-5:58 am

1 stop13h 44m

Seattle/Tacoma Intl

Mon 9/28

5:31 pm-11:59 pm

Nonstop4h 28m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Houston to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Seattle

How far ahead should I book a flight from Houston to Seattle?

The price you pay for your flight from Houston to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston to Seattle?

Currently, April is the cheapest month in which you can book a flight from Houston to Seattle (average of $88). Flying from Houston to Seattle in August is currently the most expensive (average of $778). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to SEA?

Find hourly flight availability from Houston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 5, 2026.

A simple way to save on the total cost of your ticket is to fly from Houston to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Houston to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Houston to Seattle. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Houston to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Houston to Seattle?

How often are flights from Houston to Seattle delayed?

About 16% of weekly flights between Houston and Seattle have experienced delays in the past year, with the average delay time being 161 minutes.

What is the most punctual flight time for Houston to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Seattle flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

The best insider tips for Houston to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Seattle trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 5, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andHawaiian Airlines from Houston to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Houston to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Houston?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Houston. On average, Seattle/Tacoma Intl has 0 inbound flights from Houston per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Houston to Seattle?

    Departing from Houston to Seattle will take you 4h 35m. The distance from Houston to Seattle is about 1891 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Houston to Seattle round-trip?

    Currently priced at $67, Spirit Airlines will fly you from Houston to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $126 and $128, respectively. Users have found that Spirit Airlines is 81% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston to Seattle one-way?

    $84 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $92 and $118, respectively.

  • Can I find deals for flights from Houston to Seattle that include hotel bookings?

    Yes. In addition to deals on Houston to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Seattle.

  • Can I find deals for business class flights from Houston to Seattle?

    Yes. Cheapflights offers flight deals from Houston to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Houston to Seattle (average of $88). Flying from Houston to Seattle in August is currently the most expensive (average of $778). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Houston to Seattle

Discover the top 8 airlines that operate flights from Houston to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$209FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$265FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$251FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$128Average$358FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$162Average$477FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$193Average$394FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$234Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$237Average$467FlexibilityNo cancel feeOn-time63%

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