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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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Galveston to Seattle with Cheapflights

1. Tell us where you want to go

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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 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/1812:09 pmHOU - SEA
1 stop9h 03mAmerican Airlines
Sat 1/311:59 pmSEA - HOU
1 stop6h 33mAmerican Airlines
Deal found 12/11$357
This American Airlines deal was found by Cheapflights users on 12/10. 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
Sun 12/2812:59 amSEA - HOU
1 stop6h 44mAmerican Airlines
Deal found 12/10$377
This Southwest deal was found by Cheapflights users on 12/10. 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 12/315:55 pmHOU - SEA
1 stop7h 00mSouthwest
Sun 1/48:35 pmSEA - HOU
1 stop11h 55mSouthwest
Deal found 12/10$392
This Southwest deal was found by Cheapflights users on 12/10. 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 12/315:55 pmHOU - SEA
1 stop7h 00mSouthwest
Tue 1/61:20 pmSEA - HOU
1 stop6h 40mSouthwest
Deal found 12/10$397
This Southwest deal was found by Cheapflights users on 12/9. 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 12/315:20 pmHOU - SEA
1 stop7h 10mSouthwest
Mon 1/58:35 amSEA - HOU
1 stop6h 20mSouthwest
Deal found 12/9$426

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 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$257
(Delta)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$447
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.
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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. 2% potential increase in price ($7 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
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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 12, 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 1/24

11:10 am-4:50 pm

2 stops7h 40m

Seattle/Tacoma Intl

Sat 1/31

7:00 am-5:00 pm

2 stops8h 00m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 1/25

11:00 am-6:40 pm

2 stops9h 40m

Seattle/Tacoma Intl

Tue 2/3

8:45 am-7:55 pm

1 stop9h 10m

$292

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 1/8

9:00 am-6:35 pm

2 stops11h 35m

Seattle/Tacoma Intl

Sat 1/10

7:00 am-5:00 pm

2 stops8h 00m

$297

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 1/6

6:00 pm-10:30 pm

1 stop6h 30m

Seattle/Tacoma Intl

Sun 1/11

5:15 am-3:20 pm

2 stops8h 05m

$302

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 1/6

9:00 am-6:35 pm

2 stops11h 35m

Seattle/Tacoma Intl

Mon 1/12

5:15 am-3:55 pm

1 stop8h 40m

$302

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 3/13

8:10 am-2:00 pm

1 stop7h 50m

Seattle/Tacoma Intl

Sun 3/15

2:35 pm-1:15 am

1 stop8h 40m

$317

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Mon 1/5

5:10 pm-12:30 am

1 stop9h 20m

Seattle/Tacoma Intl

Thu 1/8

5:15 am-3:55 pm

1 stop8h 40m

$317

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 1/23

4:40 pm-10:30 pm

2 stops7h 50m

Seattle/Tacoma Intl

Mon 1/26

6:05 am-3:25 pm

1 stop7h 20m

$322

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 1/9

2:55 pm-10:30 pm

2 stops9h 35m

Seattle/Tacoma Intl

Fri 1/16

7:55 am-6:10 pm

1 stop8h 15m

$322

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Mon 3/9

4:15 pm-12:30 am

2 stops10h 15m

Seattle/Tacoma Intl

Sun 3/15

2:35 pm-1:15 am

1 stop8h 40m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 19 results
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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 5, 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 $214). 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 12, 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 9% 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.

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 12, 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
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
2,817 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
3,084 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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 7h 40m. 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 Spirit Airlines ($84), Frontier ($85), and Southwest ($128).

  • 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 $214). 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
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$422FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$186Average$384FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$416FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$222Average$396FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$431FlexibilityNo cancel feeOn-time69%

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