In terms of precipitation, rainfall in Galway ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Galway when rainfall is around 2.3 in.

If weather is an important factor for your trip to Galway, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What is the cheapest time of day to fly from SEA to G4W?

When flying from Seattle to Galway, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Seattle to Galway?

If you book a flight to Galway from Seattle, you will be flying from 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 Seattle/Tacoma Intl to Galway per day from 1 airline.

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

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

How can I find direct flights from Seattle to Galway?

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

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

Yes. Cheapflights offers flight deals from Seattle to Galway 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 Seattle to Galway

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Galway with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Seattle to Galway

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.

Search Deals

Reviews of airlines servicing Galway

Read reviews from past customers who have flown United Airlines from Seattle to Galway. 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.

United Airlines

7.4

Good

10,246 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,246 reviews

United Airlines

7.4

Good

10,246 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

What airport do you fly from for flights from Seattle to Galway?
If you book a flight to Galway from Seattle, you will be flying from 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 Seattle/Tacoma Intl to Galway per day from 1 airline.
Can I find deals for flights from Seattle to Galway that include hotel bookings?
Yes. In addition to deals on Seattle to Galway flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Galway?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Galway.
Can I find deals for business class flights from Seattle to Galway?
Yes. Cheapflights offers flight deals from Seattle to Galway by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Seattle

Popular flights

Top destinations

Alternative routes for Seattle to Galway

Seattle to Dublin flights

Portland to Dublin flights

Spokane to Dublin flights

Seattle to Cork flights

Seattle to Shannon flights

Top airline flying from Seattle to Galway

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$592	Average$1,095	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Find cheap flights from Seattle to Galway with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Galway

Most accurate provider

Most trusted provider

Reviews of airlines servicing Galway

Read reviews from past customers who have flown United Airlines from Seattle to Galway. 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.

Related info for your journey

What airport do you fly from for flights from Seattle to Galway?

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

How can I find direct flights from Seattle to Galway?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Galway

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Galway by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Seattle to Galway by cabin class

Find flights from Seattle to Galway, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Galway flights

Browse other Seattle and Galway flight options. Last updated on September 28, 2026.

Other flights from Seattle

Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Seattle to Galway flights

Consider these flights traveling from Seattle to Galway.

Top airline flying from Seattle to Galway

100% Free

Book with Flexibility

Travel Smart

Cheap flights from Seattle (SEA) to Galway, Ireland

Find cheap flights from Seattle to Galway with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Galway

Most accurate provider

Most trusted provider

Reviews of airlines servicing Galway

Read reviews from past customers who have flown United Airlines from Seattle to Galway. 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.

Related info for your journey

What airport do you fly from for flights from Seattle to Galway?

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

How can I find direct flights from Seattle to Galway?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Galway

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Galway by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Seattle to Galway by cabin class

Find flights from Seattle to Galway, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Galway flights

Browse other Seattle and Galway flight options. Last updated on September 28, 2026.

Other flights from Seattle

Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Seattle to Galway flights

Consider these flights traveling from Seattle to Galway.

Top airline flying from Seattle to Galway

100% Free

Book with Flexibility

Travel Smart