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 Frontier ($72), Alaska Airlines ($122), and Southwest ($128).

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.

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).

What are the most popular airlines that fly from Galveston to Seattle?

The most popular airlines flying from Galveston to Seattle are Alaska Airlines, United Airlines and Frontier. Something to consider prior to booking your flight.

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 6 different airlines.

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.

Find Cheap Flights from Galveston to Seattle

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Cheapflights Tip: The best prices from Galveston to Seattle/Tacoma Intl are usually found in January or February, booked 78 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Find flight deals from Galveston to Seattle

Popular in	July
Cheapest in	January
Average price	$457

Highest demand for flights based on searches. 11% potential increase in price ($53 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

Everything you need to know about your flight from Galveston to Seattle

What is the cheapest time of day to fly from G4L to SEA?

A simple way to save on the total cost of your ticket is to fly from Galveston to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Galveston to Seattle?

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

Reviews of airlines servicing Seattle

See what other customers who have flown with Alaska Airlines,Southwest, andUnited 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

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Alaska Airlines

7.9

Good

13,085 reviews

Alaska Airlines

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Southwest

7.9

Good

4,210 reviews

Alaska Airlines

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

United Airlines

7.3

Good

10,389 reviews

Alaska Airlines

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

American Airlines

7.0

Good

12,173 reviews

Alaska Airlines

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Frontier

5.5

Fair

2,527 reviews

Alaska Airlines

7.9

Good

13,085 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

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 6 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 Frontier ($72), Alaska Airlines ($122), and Southwest ($128).
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.

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Top 6 airlines flying from Galveston to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$126	Average$310	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$128	Average$387	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$196	Average$485	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$237	Average$460	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$275	Average$506	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$336	Average$488	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Galveston, TX to Seattle (SEA)

Find cheap flights from Galveston to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Galveston to Seattle

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from G4L to SEA?

A simple way to save on the total cost of your ticket is to fly from Galveston to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Galveston to Seattle?

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

Reviews of airlines servicing Seattle

See what other customers who have flown with Alaska Airlines,Southwest, andUnited 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.

Related info for your journey

What airport do you fly into for flights to Seattle from Galveston?

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

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

How can I find direct flights from Galveston to Seattle?

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

Traveling to a place near Seattle?

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Galveston and Seattle flights

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