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$129+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Seattle/Tacoma Intl are usually found in September or October, booked 48 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Galveston to Seattle

Keep the following information in mind while searching for Galveston to Seattle flight deals. Data was last updated June 12, 2025.

Round-trip from

$257
(Southwest)

One-way from

$129
(Southwest)

Popular in

December

Cheapest in

September

Average price

$387
From Galveston to Seattle/Tacoma Intl
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One-way flight from Galveston to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 9/138:50 pmHOU - SEA
Nonstop4h 40mSouthwest
Sat 9/2710:45 pmSEA - HOU
Nonstop4h 15mSouthwest
Deal found 6/10$257
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/179:04 amHOU - SEA
1 stop9h 36mAmerican Airlines
Tue 9/307:49 amSEA - HOU
1 stop10h 12mAmerican Airlines
Deal found 6/11$261
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:29 pmHOU - SEA
1 stop7h 21mSun Country Air
Wed 8/276:34 pmSEA - HOU
1 stop22h 39mSun Country Air
Deal found 6/10$315
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:05 pmHOU - SEA
1 stop9h 20mDelta
Wed 9/36:00 amSEA - HOU
1 stop14h 31mDelta
Deal found 6/10$340
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:38 amHOU - SEA
2 stops31h 25mMultiple Airlines
Thu 7/311:59 pmSEA - HOU
1 stop9h 37mMultiple Airlines
Deal found 6/10$444

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 June 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 8/30

8:50 pm-11:30 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Mon 9/8

10:45 pm-5:00 am

Nonstop4h 15m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 9/17

9:04 am-4:40 pm

1 stop9h 36m

Seattle/Tacoma Intl

Tue 9/30

7:49 am-8:01 pm

1 stop10h 12m

$261

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 8/10

5:29 pm-10:50 pm

1 stop7h 21m

Seattle/Tacoma Intl

Wed 8/27

6:34 pm-7:13 pm

1 stop22h 39m

$315

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 10/24

1:00 pm-10:25 pm

1 stop11h 25m

Seattle/Tacoma Intl

Sun 10/26

9:20 pm-9:23 am

1 stop10h 03m

$378

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 6/29

9:38 am-3:03 pm

2 stops31h 25m

Seattle/Tacoma Intl

Thu 7/3

11:59 pm-11:36 am

1 stop9h 37m

$444

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 9/28

6:50 pm-9:30 pm

Nonstop4h 40m

$129

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 9/16

9:04 am-4:40 pm

1 stop9h 36m

$135

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 9/19

6:40 am-5:16 pm

1 stop12h 36m

$158

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 8/10

9:42 am-4:25 pm

2 stops32h 43m

$176

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 11/13

6:00 am-2:53 pm

1 stop10h 53m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 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 June 9, 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 48 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, January is the cheapest month in which you can book a flight from Galveston to Seattle (average of $238). Flying from Galveston to Seattle in July is currently the most expensive (average of $391). 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 June 12, 2025.

When flying from Galveston to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
To help decide which airline to fly from Galveston to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Sun Country Air
6.9
Okay
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 is 1 flight from Galveston to Seattle/Tacoma Intl per day from 8 different airlines.

  • 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 ($129), American Airlines ($136), and Sun Country Air ($163).

  • What are the cheapest flights from Galveston to Seattle?

    The cheapest flight price from Galveston to Seattle is $337. On average you can expect to pay $363. The most popular route, (Houston Hobby - Seattle/Tacoma Intl), can usually be booked for $200.

  • 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, January is the cheapest month in which you can book a flight from Galveston to Seattle (average of $238). Flying from Galveston to Seattle in July is currently the most expensive (average of $391). 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 Galveston?

Book flights to Galveston if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$190Average$387FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$219Average$386FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$428FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$434FlexibilityNo cancel feeOn-time63%

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