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Galveston

$129+ Cheap flights from Seattle (SEA) to Galveston, TX

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Galveston are usually found in September or October, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Galveston

Keep the following information in mind while searching for Seattle to Galveston 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 Seattle/Tacoma Intl to Galveston
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One-way flight from Seattle/Tacoma Intl to Galveston
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 Seattle to Galveston

Cheapest flights from Seattle to Galveston
Explore the most affordable flight options available from Seattle to Galveston. 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.
Fri 9/2610:45 pmSEA - HOU
Nonstop4h 15mSouthwest
Mon 9/2912:15 pmHOU - SEA
Nonstop4h 35mSouthwest
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 9/247:49 amSEA - HOU
1 stop10h 12mAmerican Airlines
Tue 9/309:04 amHOU - SEA
1 stop9h 36mAmerican Airlines
Deal found 6/11$261
This Sun Country Air deal was found by Cheapflights users on 6/9. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:55 pmSEA - HOU
1 stop9h 36mSun Country Air
Sun 8/317:45 pmHOU - SEA
1 stop14h 13mSun Country Air
Deal found 6/9$315
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.
Thu 8/144:58 pmSEA - HOU
2 stops24h 14mMultiple Airlines
Sun 8/176:24 pmHOU - SEA
1 stop15h 38mMultiple Airlines
Deal found 6/10$386
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:59 pmSEA - HOU
2 stops13h 24mDelta
Tue 9/301:00 pmHOU - SEA
1 stop9h 49mDelta
Deal found 6/11$475

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Galveston 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 Seattle to Galveston that are best for you.

Fly from

Seattle

Fly to

Galveston

Route

Depart

Return

Price

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 8/14

10:45 pm-5:00 am

Nonstop4h 15m

Houston Hobby

Sun 8/17

6:50 pm-9:30 pm

Nonstop4h 40m

$257

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Fri 9/5

5:26 am-3:55 pm

1 stop8h 29m

Houston Hobby

Tue 9/9

9:04 am-4:40 pm

1 stop9h 36m

$269

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 8/28

11:55 pm-11:31 am

1 stop9h 36m

Houston Hobby

Sun 8/31

7:45 pm-7:58 am

1 stop14h 13m

$315

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 8/14

4:58 pm-7:12 pm

2 stops24h 14m

Houston Hobby

Sun 8/17

6:24 pm-8:02 am

1 stop15h 38m

$386

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 9/10

11:35 am-10:31 pm

1 stop8h 56m

Houston Hobby

Mon 9/15

10:05 am-10:23 pm

2 stops14h 18m

$485

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 9/10

10:45 pm-5:00 am

Nonstop4h 15m

$129

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 9/3

7:49 am-8:01 pm

1 stop10h 12m

$136

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 7/10

11:59 pm-11:30 am

1 stop9h 31m

$158

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sun 8/17

4:58 pm-7:12 pm

2 stops24h 14m

$190

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 7/15

9:30 pm-9:17 am

1 stop9h 47m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
1
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Best time to book a flight from Seattle to Galveston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Galveston. Price data was last updated on June 9, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Galveston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Galveston (average of $230). Flying from Seattle to Galveston in March is currently the most expensive (average of $332). 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 SEA to G4L?

Find hourly flight availability from Seattle to Galveston. 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 Seattle to Galveston, 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 Seattle to Galveston?

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

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

Weekly flight availability from Seattle to Galveston

Explore weekly flight availability from Seattle to Galveston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SEA to G4L are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Galveston by month

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

In terms of precipitation, rainfall in Galveston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Galveston when rainfall is around 3.2 in.

Temperature in Galveston by month

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

If weather is an important factor for your trip to Galveston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Galveston

Get insights into the airlines that provide service to Galveston. 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 Galveston. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Galveston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Sun Country Air
6.9
Okay
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Galveston. 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 from for flights from Seattle to Galveston?

    For a flight from Seattle to Galveston, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 outbound flight to Galveston per day. 8 airlines have flights to Galveston from Seattle/Tacoma Intl on a regular basis.

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

    One-way options have recently been found by users for as low as $129 on Southwest. Other airlines that offer cheap prices include American Airlines from $136 and Sun Country Air from $158 one-way.

  • What are the cheapest flights from Seattle to Galveston?

    The cheapest flight price from Seattle to Galveston is $103. On average you can expect to pay $247. The most popular route, (Seattle/Tacoma Intl - Houston Hobby), can usually be booked for $205.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Seattle to Galveston (average of $230). Flying from Seattle to Galveston in March is currently the most expensive (average of $332). 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.

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Top 8 airlines flying from Seattle to Galveston

Discover the top 8 airlines that operate flights from Seattle to Galveston. 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$91Average$243FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$232FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$380FlexibilityNo cancel feeOn-time85%
DeltaCheapest$160Average$299FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$236Average$429FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$255Average$454FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$266Average$398FlexibilityNo cancel feeOn-time63%

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