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$138+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 58 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 March 28, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$276
(American Airlines)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

September

Average price

$418
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
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One-way flight from Galveston to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 3% potential increase in price ($14 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 March 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 March 28, 2025.

This Southwest deal was found by Cheapflights users on 3/26. 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 6/67:50 pmHOU - SEA
1 stop6h 35mSouthwest
Tue 6/1010:40 pmSEA - HOU
Nonstop4h 20mSouthwest
Deal found 3/26$267
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/285:00 amHOU - SEA
1 stop9h 58mAmerican Airlines
Fri 6/61:19 amSEA - HOU
1 stop6h 24mAmerican Airlines
Deal found 3/26$271
This Delta deal was found by Cheapflights users on 3/25. 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.
Fri 4/184:00 pmHOU - SEA
1 stop9h 59mDelta
Fri 4/2510:30 pmSEA - HOU
1 stop8h 48mDelta
Deal found 3/25$277
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:36 amHOU - SEA
1 stop27h 20mFrontier
Thu 4/101:56 pmSEA - HOU
1 stop17h 36mFrontier
Deal found 3/26$291
This Sun Country Air deal was found by Cheapflights users on 3/26. 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 6/196:36 pmHOU - SEA
1 stop30h 14mSun Country Air
Mon 6/2311:59 pmSEA - HOU
1 stop9h 25mSun Country Air
Deal found 3/26$370
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/189:10 amHOU - SEA
2 stops17h 00mMultiple Airlines
Thu 5/2211:59 pmSEA - HOU
1 stop9h 22mMultiple Airlines
Deal found 3/26$450

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 March 28, 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 6/6

7:50 pm-12:25 am

1 stop6h 35m

Seattle/Tacoma Intl

Tue 6/10

10:40 pm-5:00 am

Nonstop4h 20m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 5/28

5:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Fri 6/6

1:19 am-9:43 am

1 stop6h 24m

$271

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 4/18

4:00 pm-11:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Fri 4/25

10:30 pm-9:18 am

1 stop8h 48m

$277

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Thu 6/19

6:36 pm-10:50 pm

1 stop30h 14m

Seattle/Tacoma Intl

Mon 6/23

11:59 pm-11:24 am

1 stop9h 25m

$370

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 5/18

9:10 am-12:10 am

2 stops17h 00m

Seattle/Tacoma Intl

Thu 5/22

11:59 pm-11:21 am

1 stop9h 22m

$450

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 5/28

5:00 am-12:58 pm

1 stop9h 58m

$138

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 4/18

4:00 pm-11:59 pm

1 stop9h 59m

$139

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Mon 4/21

10:36 am-12:44 am

1 stop16h 08m

$148

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Mon 6/23

7:45 pm-1:25 am

1 stop7h 40m

$161

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sun 8/10

6:35 pm-10:50 pm

1 stop30h 15m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 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 March 21, 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 58 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 $411). 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 March 28, 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 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 March 28, 2025.
To help decide which airline to fly from Galveston to Seattle, see what other customers have to say about Southwest, Delta and American Airlines. 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.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,271 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 9 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 Delta ($139), Frontier ($151), and American Airlines ($159).

  • 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Galveston to Seattle

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$237FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$391FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$224Average$402FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$460FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$487FlexibilityNo cancel feeOn-time63%
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