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$128+ Cheap flights from Galveston, TX 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Seattle/Tacoma Intl are usually found in October or September, booked 70 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Galveston to Seattle

Cheapest flights from Galveston to Seattle
Explore the most affordable flight options available from Galveston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/319:05 amHOU - SEA
1 stop7h 49mAmerican Airlines
Sun 1/411:59 pmSEA - HOU
1 stop6h 33mAmerican Airlines
Deal found 12/21$507
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:13 amHOU - SEA
1 stop6h 41mAmerican Airlines
Fri 1/23:44 pmSEA - HOU
1 stop6h 02mAmerican Airlines
Deal found 12/21$583
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/2312:09 pmHOU - SEA
1 stop9h 29mAmerican Airlines
Mon 12/295:23 amSEA - HOU
1 stop8h 24mAmerican Airlines
Deal found 12/21$587
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/2212:09 pmHOU - SEA
1 stop9h 03mAmerican Airlines
Thu 1/111:59 pmSEA - HOU
1 stop6h 33mAmerican Airlines
Deal found 12/21$596
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/268:16 pmHOU - SEA
1 stop6h 41mAmerican Airlines
Sat 1/311:59 pmSEA - HOU
1 stop6h 33mAmerican Airlines
Deal found 12/20$647
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/2410:13 amHOU - SEA
1 stop6h 41mAmerican Airlines
Thu 12/2512:59 amSEA - HOU
1 stop6h 44mAmerican Airlines
Deal found 12/21$697
This Southwest deal was found by Cheapflights users on 12/20. 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 12/265:15 amHOU - SEA
1 stop7h 40mSouthwest
Sat 1/35:15 amSEA - HOU
2 stops8h 40mSouthwest
Deal found 12/20$712
This Southwest deal was found by Cheapflights users on 12/20. 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 12/2911:00 amHOU - SEA
1 stop13h 10mSouthwest
Sat 1/35:15 amSEA - HOU
2 stops8h 40mSouthwest
Deal found 12/20$718
This Southwest deal was found by Cheapflights users on 12/21. 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 12/293:00 pmHOU - SEA
1 stop6h 55mSouthwest
Thu 1/12:20 pmSEA - HOU
1 stop5h 50mSouthwest
Deal found 12/21$737
This Southwest deal was found by Cheapflights users on 12/21. 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 12/313:00 pmHOU - SEA
2 stops9h 55mSouthwest
Sat 1/38:50 amSEA - HOU
2 stops8h 50mSouthwest
Deal found 12/21$747

Find flight deals from Galveston to Seattle

Keep the following information in mind while searching for Galveston to Seattle flight deals. Data was last updated December 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$256
(American Airlines)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$438
Provider with most accurate pricing for Houston-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Houston-Seattle/Tacoma Intl flights.
Search Deals
From Galveston to Seattle/Tacoma Intl
Search Deals
One-way flight from Galveston to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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 December 23, 2025.
Use the filters below to find and compare flights from Galveston to Seattle that are best for you.

Fly from

Galveston

Fly to

Seattle

Route

Depart

Return

Price

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/17

4:15 pm-9:10 pm

1 stop6h 55m

Seattle/Tacoma Intl

Sat 1/24

10:20 am-7:30 pm

2 stops7h 10m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 1/13

3:00 pm-9:50 pm

2 stops8h 50m

Seattle/Tacoma Intl

Wed 1/21

8:45 am-5:35 pm

1 stop6h 50m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/24

1:15 pm-9:05 pm

2 stops9h 50m

Seattle/Tacoma Intl

Wed 1/28

6:05 am-3:25 pm

1 stop7h 20m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 1/28

9:00 am-6:35 pm

2 stops11h 35m

Seattle/Tacoma Intl

Wed 2/4

9:55 am-8:15 pm

2 stops8h 20m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/10

5:35 am-10:10 am

1 stop6h 35m

Seattle/Tacoma Intl

Sat 1/10

12:40 pm-8:40 pm

1 stop6h 00m

$277

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 2/21

8:35 am-7:10 pm

1 stop12h 35m

Seattle/Tacoma Intl

Wed 2/25

5:15 am-3:45 pm

1 stop8h 30m

$282

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 2/26

12:05 pm-5:45 pm

1 stop7h 40m

Seattle/Tacoma Intl

Sat 2/28

2:30 pm-12:15 am

1 stop7h 45m

$287

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Mon 1/19

5:50 am-10:25 am

1 stop6h 35m

Seattle/Tacoma Intl

Wed 1/21

6:25 am-5:35 pm

1 stop9h 10m

$287

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 2/20

5:45 am-11:00 am

1 stop7h 15m

Seattle/Tacoma Intl

Wed 2/25

6:45 am-6:20 pm

1 stop9h 35m

$287

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 2/7

5:45 am-12:20 pm

1 stop8h 35m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 20 results
1
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Best time to book a flight from Galveston to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Galveston 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 Galveston to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Galveston to Seattle. Price data was last updated on December 19, 2025.

The price you pay for your flight from Galveston to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 70 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 Galveston to Seattle?

Currently, February is the cheapest month in which you can book a flight from Galveston to Seattle (average of $138). Flying from Galveston to Seattle in December is currently the most expensive (average of $225). 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 G4L to SEA?

Find hourly flight availability from Galveston 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 December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Galveston to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Galveston to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons 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 Galveston to Seattle?

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 December 23, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from Galveston to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,513 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,106 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.8
Fair
3,074 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Galveston 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 Galveston?

    If you book a flight to Seattle from Galveston, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Galveston to Seattle/Tacoma Intl per day from 8 different airlines.

  • How long is the flight from Galveston to Seattle?

    Airlines like Southwest fly from Galveston to Seattle in about 6h 55m. The time it takes to get you to your destination can typically vary by up to . There are 1891 mi between Galveston and Seattle.

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

    The cheapest airlines for a one-way flight from Galveston to Seattle are Southwest ($77), Frontier ($85), and Spirit Airlines ($87).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Galveston 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 Galveston to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Galveston to Seattle (average of $138). Flying from Galveston to Seattle in December is currently the most expensive (average of $225). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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Alternative routes for Galveston to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Galveston to Seattle

Discover the top 8 airlines that operate flights from Galveston 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$104Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$252FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$414FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$186Average$384FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$230Average$394FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$234Average$430FlexibilityNo cancel feeOn-time69%

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