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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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
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 82 days in advance, depart on a Monday or Wednesday and return on a Monday

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 September 19, 2025.

Round-trip from

$209
(American Airlines)

One-way from

$129
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$307
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. 5% potential increase in price ($23 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 September 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 September 19, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/184:41 pmHOU - SEA
1 stop7h 07mAmerican Airlines
Tue 10/215:22 amSEA - HOU
1 stop8h 47mAmerican Airlines
Deal found 9/16$209
This Southwest deal was found by Cheapflights users on 9/16. 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 10/184:50 pmHOU - SEA
1 stop7h 55mSouthwest
Tue 10/217:10 amSEA - HOU
2 stops9h 10mSouthwest
Deal found 9/16$248
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/46:00 amHOU - SEA
1 stop6h 44mAmerican Airlines
Tue 11/1112:41 amSEA - HOU
1 stop7h 00mAmerican Airlines
Deal found 9/17$257
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/306:15 amHOU - SEA
1 stop10h 45mSouthwest
Sat 11/15:00 amSEA - HOU
2 stops10h 05mSouthwest
Deal found 9/17$258
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/306:00 amHOU - SEA
2 stops11h 00mSouthwest
Sun 11/25:15 amSEA - HOU
1 stop8h 50mSouthwest
Deal found 9/17$268
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/165:25 pmHOU - SEA
1 stop8h 40mSouthwest
Wed 10/226:15 amSEA - HOU
2 stops11h 05mSouthwest
Deal found 9/17$272
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/303:10 pmHOU - SEA
1 stop9h 35mSouthwest
Mon 11/35:15 amSEA - HOU
1 stop8h 55mSouthwest
Deal found 9/17$277
This Southwest deal was found by Cheapflights users on 9/18. 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 12/164:30 pmHOU - SEA
2 stops8h 25mSouthwest
Mon 1/56:35 amSEA - HOU
1 stop13h 10mSouthwest
Deal found 9/18$278
This Southwest deal was found by Cheapflights users on 9/16. 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 10/207:05 pmHOU - SEA
1 stop7h 45mSouthwest
Mon 10/273:35 pmSEA - HOU
1 stop7h 00mSouthwest
Deal found 9/16$283

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 September 19, 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

Fri 10/31

6:45 am-11:25 am

1 stop6h 40m

Seattle/Tacoma Intl

Tue 11/4

5:40 am-4:15 pm

1 stop8h 35m

$209

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 10/18

4:50 pm-10:45 pm

1 stop7h 55m

Seattle/Tacoma Intl

Tue 10/21

7:10 am-6:20 pm

2 stops9h 10m

$248

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 10/30

7:45 am-3:45 pm

1 stop10h 00m

Seattle/Tacoma Intl

Sun 11/2

5:15 am-4:05 pm

1 stop8h 50m

$263

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 10/30

6:00 am-3:00 pm

2 stops11h 00m

Seattle/Tacoma Intl

Mon 11/3

6:15 am-5:45 pm

1 stop9h 30m

$282

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 10/29

6:00 pm-10:55 pm

1 stop6h 55m

Seattle/Tacoma Intl

Sat 11/1

5:00 am-5:05 pm

2 stops10h 05m

$282

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 10/18

9:05 am-4:40 pm

2 stops9h 35m

Seattle/Tacoma Intl

Wed 10/22

6:15 am-7:20 pm

2 stops11h 05m

$287

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 11/7

6:00 am-10:44 am

1 stop6h 44m

Seattle/Tacoma Intl

Mon 11/10

5:24 am-3:54 pm

1 stop8h 30m

$297

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 12/13

8:50 am-4:50 pm

2 stops10h 00m

Seattle/Tacoma Intl

Tue 12/16

6:15 am-5:45 pm

1 stop9h 30m

$298

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 11/13

5:35 pm-12:05 am

1 stop8h 30m

Seattle/Tacoma Intl

Fri 11/14

12:40 pm-11:40 pm

2 stops9h 00m

$302

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 10/19

7:40 pm-1:10 am

1 stop7h 30m

Seattle/Tacoma Intl

Sat 10/25

5:45 am-8:10 pm

1 stop12h 25m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 21 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 September 12, 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 82 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 June is currently the most expensive (average of $387). 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 September 19, 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 Tuesday mornings 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.

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 September 19, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and United 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
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,732 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,030 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,171 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

  • How long is the flight from Galveston to Seattle?

    Airlines like Southwest fly from Galveston to Seattle in about 6h 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 flights from Galveston to Seattle?

    The cheapest flight price from Galveston to Seattle is $207. On average you can expect to pay $627. 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 June is currently the most expensive (average of $387). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
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Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$210FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$185Average$383FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$226Average$394FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$250Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$450FlexibilityNo cancel feeOn-time69%

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