$187+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Houston to Seattle/Tacoma Intl are usually found in October or January, booked 73 days in advance, depart on a Tuesday or Saturday and return on a Monday
Cheap flight deals from Houston to Seattle
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Cheapest flights from Houston to SeattleExplore 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 August 7, 2026.
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 August 7, 2026.
This Frontier deal was found by Cheapflights users on 8/2. 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.
Fri 8/2810:04 pm -
1 stop13h 15m
Sat 9/57:06 pm -
1 stop12h 45m
Deal found 8/2![Frontier logo]()
$307
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am -
1 stop7h 50m
Tue 8/252:37 pm -
1 stop8h 03m
Deal found 8/2![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:04 pm -
1 stop13h 15m
Fri 8/289:29 pm -
2 stops11h 05m
Deal found 8/4![Frontier logo]()
$309
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:30 am -
1 stop7h 50m
Thu 8/272:37 pm -
1 stop8h 03m
Deal found 8/6![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/226:30 am -
1 stop8h 52m
Tue 8/252:37 pm -
1 stop8h 03m
Deal found 8/3![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sat 8/295:38 pm -
2 stops17h 41m
Wed 9/27:06 pm -
1 stop24h 13m
Deal found 8/2![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/3110:04 pm -
1 stop13h 15m
Mon 9/79:36 pm -
2 stops41h 20m
Deal found 8/3![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/186:30 am -
1 stop8h 52m
Tue 8/257:06 pm -
1 stop13h 28m
Deal found 8/2![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Fri 9/1110:30 am -
2 stops25h 12m
Mon 9/144:27 pm -
1 stop6h 16m
Deal found 8/5![Frontier logo]()
$315
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:57 pm -
1 stop20h 45m
Sat 10/107:41 pm -
1 stop14h 39m
Deal found 8/2![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:35 am -
1 stop23h 44m
Mon 8/319:29 pm -
2 stops11h 05m
Deal found 8/4![Frontier logo]()
$318
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:05 pm -
Nonstop4h 40m
Tue 9/298:50 am -
Nonstop4h 15m
Deal found 8/3![Southwest logo]()
$377
Best flights from Houston to SeattleDiscover carefully curated flight deals from Houston to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
Discover carefully curated flight deals from Houston to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:16 pm -
1 stop15h 04m
Wed 9/3010:41 am -
Nonstop4h 32m
Deal found 8/3![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:30 am -
2 stops9h 05m
Tue 10/1312:45 pm -
1 stop8h 25m
Deal found 8/3![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:57 am -
Nonstop4h 51m
Fri 9/1812:10 pm -
Nonstop4h 30m
Deal found 8/3![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:02 am -
Nonstop4h 40m
Tue 9/2210:41 am -
Nonstop4h 32m
Deal found 8/3![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:05 pm -
2 stops9h 10m
Wed 9/211:00 pm -
1 stop8h 35m
Deal found 8/2![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:20 pm -
Nonstop4h 43m
Sat 10/1711:59 pm -
Nonstop4h 18m
Deal found 8/2![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:34 pm -
Nonstop4h 45m
Wed 9/25:34 pm -
Nonstop4h 25m
Deal found 8/3![Alaska Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 8/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:30 am -
2 stops9h 20m
Tue 9/157:10 am -
1 stop8h 30m
Deal found 8/4![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:34 pm -
Nonstop4h 45m
Wed 9/95:34 pm -
Nonstop4h 25m
Deal found 8/2![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:20 pm -
Nonstop4h 48m
Tue 9/111:59 pm -
Nonstop4h 18m
Deal found 8/4![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:40 pm -
2 stops10h 20m
Fri 9/1111:00 pm -
2 stops10h 10m
Deal found 8/6![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:04 pm -
Nonstop4h 48m
Mon 8/3111:59 pm -
Nonstop4h 18m
Deal found 8/5![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:30 pm -
1 stop8h 05m
Wed 10/212:15 pm -
1 stop5h 55m
Deal found 8/2![Southwest logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:34 pm -
Nonstop4h 45m
Sun 9/138:59 pm -
1 stop14h 32m
Deal found 8/1![Alaska Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:20 pm -
Nonstop4h 48m
Mon 9/285:05 pm -
Nonstop4h 24m
Deal found 8/5![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:10 pm -
1 stop7h 00m
Fri 9/1811:25 am -
Nonstop4h 20m
Deal found 8/3![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
2 stops10h 00m
Tue 9/298:50 am -
Nonstop4h 15m
Deal found 8/5![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 8/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:30 am -
2 stops8h 20m
Tue 11/249:55 pm -
1 stop6h 10m
Deal found 8/4![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:25 am -
Nonstop4h 45m
Mon 9/2111:05 pm -
1 stop9h 20m
Deal found 8/2![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 8/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/55:25 pm -
1 stop6h 50m
Sun 1/105:40 am -
2 stops10h 10m
Deal found 8/4![Southwest logo]()
$481
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:00 am -
1 stop9h 05m
Sun 11/156:25 pm -
2 stops9h 35m
Deal found 8/6![Southwest logo]()
$502
Last-minute flights from Houston to SeattleDiscover last-minute flight deals from Houston to Seattle. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Seattle. Data last updated August 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/186:30 am -
1 stop8h 52m
Tue 8/257:06 pm -
1 stop13h 28m
Deal found 8/2![Frontier logo]()
$314
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am -
1 stop7h 50m
Tue 8/252:37 pm -
1 stop8h 03m
Deal found 8/2![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/226:30 am -
1 stop8h 52m
Tue 8/252:37 pm -
1 stop8h 03m
Deal found 8/3![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 8/2. 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.
Sun 8/2310:14 pm -
1 stop13h 05m
Mon 8/319:29 pm -
1 stop13h 29m
Deal found 8/2![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:04 pm -
1 stop13h 15m
Fri 8/289:29 pm -
2 stops11h 05m
Deal found 8/4![Frontier logo]()
$309
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:30 am -
1 stop7h 50m
Thu 8/272:37 pm -
1 stop8h 03m
Deal found 8/6![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 8/2. 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.
Fri 8/2810:04 pm -
1 stop13h 15m
Sat 9/57:06 pm -
1 stop12h 45m
Deal found 8/2![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sat 8/295:38 pm -
2 stops17h 41m
Wed 9/27:06 pm -
1 stop24h 13m
Deal found 8/2![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:35 am -
1 stop23h 44m
Mon 8/319:29 pm -
2 stops11h 05m
Deal found 8/4![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/3110:04 pm -
1 stop13h 15m
Mon 9/79:36 pm -
2 stops41h 20m
Deal found 8/3![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Fri 9/1110:30 am -
2 stops25h 12m
Mon 9/144:27 pm -
1 stop6h 16m
Deal found 8/5![Frontier logo]()
$315
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:05 pm -
Nonstop4h 40m
Tue 9/298:50 am -
Nonstop4h 15m
Deal found 8/3![Southwest logo]()
$377
One-way flights from Houston to SeattleSearch for one-way flight options from Houston to Seattle. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from Houston to Seattle. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/511:59 am -
2 stops23h 20m
Deal found 8/3![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 11/26:30 am -
2 stops13h 15m
Deal found 8/6![Frontier logo]()
$188
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 am -
Nonstop4h 45m
Deal found 8/2![Southwest logo]()
$189
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:02 am -
Nonstop4h 40m
Deal found 8/2![Alaska Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 9/36:10 am -
1 stop15h 52m
Deal found 8/3![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sun 8/3010:48 am -
2 stops49h 51m
Deal found 8/5![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/43:25 pm -
2 stops19h 54m
Deal found 8/3![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:44 pm -
2 stops39h 58m
Deal found 8/4![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:35 pm -
2 stops22h 25m
Deal found 8/4![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 8/6. 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.
Sat 12/511:35 am -
1 stop6h 31m
Deal found 8/6![Frontier logo]()
$193
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:40 am -
Nonstop4h 45m
Deal found 8/6![Southwest logo]()
$194
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:25 pm -
Nonstop4h 52m
Deal found 8/2![United Airlines logo]()
$194
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 August 7, 2026.
Round-trip from | $307 (Frontier) |
|---|---|
One-way from | $187 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $451 |
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 August 7, 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
Cheapest round-trip
HoustonSeattle
IAH Houston George Bush Intcntl - SEA Seattle/Tacoma Intl
IAHSEA
Houston George Bush Intcntl
Tue 9/29
6:16 pm-7:20 am
1 stop15h 04m
Seattle/Tacoma Intl
Wed 9/30
10:41 am-5:13 pm
Nonstop4h 32m
$357
HoustonSeattle
IAH Houston George Bush Intcntl - SEA Seattle/Tacoma Intl
IAHSEA
Houston George Bush Intcntl
Sat 9/19
7:02 am-9:42 am
Nonstop4h 40m
Seattle/Tacoma Intl
Tue 9/22
10:41 am-5:13 pm
Nonstop4h 32m
$377
HoustonSeattle
IAH Houston George Bush Intcntl - SEA Seattle/Tacoma Intl
IAHSEA
Houston George Bush Intcntl
Tue 9/1
2:34 pm-5:19 pm
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 9/2
5:34 pm-11:59 pm
Nonstop4h 25m
$401
HoustonSeattle
IAH Houston George Bush Intcntl - SEA Seattle/Tacoma Intl
IAHSEA
Houston George Bush Intcntl
Wed 8/26
2:34 pm-5:19 pm
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 9/9
5:34 pm-11:59 pm
Nonstop4h 25m
$401
HoustonSeattle
HOU Houston Hobby - SEA Seattle/Tacoma Intl
HOUSEA
Houston Hobby
Sat 10/10
8:30 am-3:35 pm
2 stops9h 05m
Seattle/Tacoma Intl
Tue 10/13
12:45 pm-11:10 pm
1 stop8h 25m
$402
HoustonSeattle
HOU Houston Hobby - SEA Seattle/Tacoma Intl
HOUSEA
Houston Hobby
Wed 9/2
1:05 pm-8:15 pm
2 stops9h 10m
Seattle/Tacoma Intl
Wed 9/2
11:00 pm-9:35 am
1 stop8h 35m
$402
HoustonSeattle
HOU Houston Hobby - SEA Seattle/Tacoma Intl
HOUSEA
Houston Hobby
Fri 9/11
5:30 am-12:50 pm
2 stops9h 20m
Seattle/Tacoma Intl
Tue 9/15
7:10 am-5:40 pm
1 stop8h 30m
$417
HoustonSeattle
HOU Houston Hobby - SEA Seattle/Tacoma Intl
HOUSEA
Houston Hobby
Sat 9/5
2:40 pm-11:00 pm
2 stops10h 20m
Seattle/Tacoma Intl
Fri 9/11
11:00 pm-11:10 am
2 stops10h 10m
$417
HoustonSeattle
HOU Houston Hobby - SEA Seattle/Tacoma Intl
HOUSEA
Houston Hobby
Mon 10/12
7:30 pm-1:35 am
1 stop8h 05m
Seattle/Tacoma Intl
Wed 10/21
2:15 pm-10:10 pm
1 stop5h 55m
$421
HoustonSeattle
IAH Houston George Bush Intcntl - SEA Seattle/Tacoma Intl
IAHSEA
Houston George Bush Intcntl
Wed 9/16
9:57 am-12:48 pm
Nonstop4h 51m
Seattle/Tacoma Intl
Fri 9/18
12:10 pm-6:40 pm
Nonstop4h 30m
$422
Showing 1-10 of 43 resultsSorted by cheapest first
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.
HO1-SEA
IAH-SEA
HOU-SEA
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
HO1-SEA
IAH-SEA
HOU-SEA
What is the cheapest month to book a flight from Houston to Seattle?
Currently, October is the cheapest month in which you can book a flight from Houston to Seattle (average of $304). Flying from Houston to Seattle in July is currently the most expensive (average of $495). 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 August 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Houston to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from Houston to Seattle?
Airfare is below average for this route at the moment.
Houston to Seattle flights typically cost between $340 and $526 in August.The cheapest round-trip price found within the last 5 days was $307 on Frontier (Aug 28-Sep 5).
How often are flights from Houston to Seattle delayed?
About 14% of weekly flights between Houston and Seattle have experienced delays in the past year, with the average delay time being 155 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 at night 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, Alaska Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 August 1, 2026.
Travelers seeking maximum savings on their Houston to Seattle flight should consider departing on Sunday evenings 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.
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
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 August 7, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, 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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Tumwater
Centralia
Marysville
Puyallup
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Lynnwood
Poulsbo
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Complete your trip
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Search flights from Houston to Seattle by cabin class
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Houston and Seattle flights
Browse other Houston and Seattle flight options. Last updated on August 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 7, 2026.
Top 7 airlines flying from Houston to Seattle
Discover the top 7 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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$295 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$184 | Average$576 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$450 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$486 | FlexibilityNo cancel fee | On-time63% |