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Cheap flights from Seattle to Galveston from C$ 178

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
19 Aug — 26 Aug1
1 adult

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 14 August 2025.

Round-trip from

C$ 321

One-way from

C$ 178

Popular in

December

Cheapest in

September

Average price

C$ 443
Southwest
  • Southwest
  • 3/9-7/10
  • 1 total stop
  • 12h 50m total
  • Seattle to Galveston
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Southwest
  • Southwest
  • 26/9
  • Nonstop
  • 4h 15m total
  • Seattle to Galveston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 14 August 2025.

Wed 3/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Tue 7/104:20 p.m.HOU - SEA
1 stop8h 35mSouthwest
Deal found 12/8C$ 321
Wed 17/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Sun 21/96:50 p.m.HOU - SEA
Nonstop4h 40mSouthwest
Deal found 14/8C$ 331
Thu 4/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Tue 7/101:25 p.m.HOU - SEA
1 stop7h 50mSouthwest
Deal found 14/8C$ 345
Thu 18/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Sun 21/96:50 p.m.HOU - SEA
Nonstop4h 40mSouthwest
Deal found 14/8C$ 354
Wed 22/106:55 a.m.SEA - HOU
1 stop7h 00mSouthwest
Thu 23/107:45 a.m.HOU - SEA
1 stop10h 00mSouthwest
Deal found 13/8C$ 357
Thu 4/910:55 a.m.SEA - HOU
1 stop8h 50mSouthwest
Tue 9/99:40 a.m.HOU - SEA
2 stops11h 00mSouthwest
Deal found 13/8C$ 365
Fri 5/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Sat 20/98:55 a.m.HOU - SEA
1 stop8h 50mSouthwest
Deal found 14/8C$ 368
Fri 26/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Sat 4/108:40 a.m.HOU - SEA
2 stops8h 15mSouthwest
Deal found 14/8C$ 375
Thu 11/96:30 a.m.SEA - HOU
1 stop9h 15mSouthwest
Sat 13/93:35 p.m.HOU - SEA
1 stop9h 35mSouthwest
Deal found 14/8C$ 380

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 629,999 searches. Data last updated 14 August 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

Wed 10/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Wed 17/9

4:30 p.m.-11:10 p.m.

1 stop8h 40m

C$ 321

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 3/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Tue 7/10

4:20 p.m.-10:55 p.m.

1 stop8h 35m

C$ 321

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 17/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Sun 21/9

6:50 p.m.-9:30 p.m.

Nonstop4h 40m

C$ 331

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 4/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Tue 7/10

5:45 a.m.-10:10 a.m.

1 stop6h 25m

C$ 345

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 4/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Tue 9/9

4:45 p.m.-11:35 p.m.

1 stop8h 50m

C$ 345

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 4/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Wed 10/9

9:40 a.m.-6:10 p.m.

2 stops10h 30m

C$ 352

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sat 20/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Wed 24/9

9:40 a.m.-6:10 p.m.

2 stops10h 30m

C$ 352

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 25/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

C$ 178

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Mon 8/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

C$ 178

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Fri 12/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

C$ 178

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 15 results
1
2

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 8 August 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Galveston, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 364). Flying from Seattle to Galveston in March is currently the most expensive (average of C$ 480). 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 14 August 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.

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 14 August 2025.
Check out reviews from past customers who have flown with Alaska Airlines,Southwest, andSpirit Airlines from Seattle to Galveston to help guide your decision. 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
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,046 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Galveston. On average, Seattle/Tacoma Intl has 0 outbound flights to Galveston per day from 4 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • What are the cheapest flights from Seattle to Galveston?

    Looking for the cheapest flight from Seattle to Galveston? While on average our users pay C$ 272, our data indicates the cheapest price to be C$ 198. The most popular route (Seattle/Tacoma Intl - Houston Hobby), is priced around C$ 467.

  • 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 C$ 364). Flying from Seattle to Galveston in March is currently the most expensive (average of C$ 480). 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

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Alternative routes for Seattle to Galveston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Austin flights
Seattle to Dallas/Fort Worth flights
Seattle to George Bush Intcntl flights
Bellingham to Dallas/Fort Worth flights

Top 4 airlines flying from Seattle to Galveston

Discover the top 4 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 629,999 searches. Data last updated 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 177AverageC$ 317FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 198AverageC$ 243FlexibilityNo cancel feeOn-time63%
Search Southwest flights
Alaska AirlinesCheapestC$ 238AverageC$ 503FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapestC$ 268AverageC$ 323FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Galveston?

Cheapflights makes it easy to find Seattle to Galveston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Galveston?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Galveston for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Galveston with no change fees?

Yes, we can. To see specific flights from Seattle to Galveston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Galveston become cheaper?

Of course! You can now track prices for flights from Seattle to Galveston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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