How long is the flight from Seattle to Galway?

Airlines like American Airlines and United Airlines fly from Seattle to Galway in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 2h 25m. The distance between Seattle and Galway is about 4485 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 are the most popular airlines that fly from Seattle to Galway?

The most popular airlines flying from Seattle to Galway are United Airlines, American Airlines and Aer Lingus. Something to consider prior to booking your flight.

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 3 different airlines.

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.

$378+ Flights from Seattle to Galway

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Cheap flight deals from Seattle to Galway

Cheapest flights from Seattle to Galway
Explore the most affordable flight options available from Seattle to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Mon 12/158:05 pmSEA - SNN

2 stops15h 20mAer Lingus

Sun 12/215:30 pmSNN - SEA

2 stops32h 50mAer Lingus

Deal found 12/2

$869

Mon 12/159:00 amSEA - SNN

1 stop13h 20mMultiple Airlines

Sun 12/218:05 pmSNN - SEA

2 stops34h 13mMultiple Airlines

Deal found 12/2

$1,000

Wed 12/246:50 pmSEA - SNN

1 stop32h 40mBritish Airways

Wed 12/317:50 amSNN - SEA

2 stops34h 12mBritish Airways

Deal found 12/1

$1,502

Mon 12/158:10 amSEA - SNN

2 stops24h 35mAir Canada

Sun 12/217:50 amSNN - SEA

3 stops33h 41mAir Canada

Deal found 12/2

$1,591

Best flights from Seattle to Galway
Discover carefully curated flight deals from Seattle to Galway that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

Tue 4/148:20 pmSEA - SNN

1 stop16h 15mAmerican Airlines

Sat 4/257:40 amSNN - SEA

2 stops22h 06mAmerican Airlines

Deal found 12/2

$479

Tue 4/1412:25 pmSEA - SNN

1 stop13h 50mUnited Airlines

Sat 4/2512:30 pmSNN - SEA

2 stops29h 15mUnited Airlines

Deal found 12/1

$493

Fri 1/301:35 pmSEA - SNN

1 stop18h 10mBritish Airways

Tue 2/38:05 pmSNN - SEA

2 stops50h 29mBritish Airways

Deal found 12/1

$646

Fri 1/162:04 pmSEA - SNN

2 stops17h 41mAmerican Airlines

Fri 1/237:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 12/2

$511

Fri 1/231:35 pmSEA - SNN

1 stop13h 55mBritish Airways

Tue 1/275:30 pmSNN - SEA

2 stops53h 04mBritish Airways

Deal found 11/30

$646

Fri 1/301:35 pmSEA - SNN

1 stop13h 55mAmerican Airlines

Tue 2/37:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 12/1

$644

Fri 1/231:35 pmSEA - SNN

1 stop18h 10mAmerican Airlines

Tue 1/277:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 11/30

$644

Last-minute flights from Seattle to Galway
Discover last-minute flight deals from Seattle to Galway. Data last updated December 3, 2025 and is based on user searches.

Mon 12/158:05 pmSEA - SNN

2 stops15h 20mAer Lingus

Sun 12/215:30 pmSNN - SEA

2 stops32h 50mAer Lingus

Deal found 12/2

$869

Mon 12/159:00 amSEA - SNN

1 stop13h 20mMultiple Airlines

Sun 12/218:05 pmSNN - SEA

2 stops34h 13mMultiple Airlines

Deal found 12/2

$1,000

Fri 1/166:50 pmSEA - SNN

1 stop12h 55mAmerican Airlines

Fri 1/237:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 12/2

$507

Fri 1/1610:05 amSEA - SNN

2 stops21h 40mAir Canada

Fri 1/237:50 amSNN - SEA

3 stops22h 16mAir Canada

Deal found 12/2

$667

Fri 1/231:35 pmSEA - SNN

1 stop18h 10mAmerican Airlines

Tue 1/277:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 11/30

$644

Fri 1/2311:55 amSEA - SNN

2 stops19h 50mBritish Airways

Tue 1/275:30 pmSNN - SEA

2 stops53h 04mBritish Airways

Deal found 11/30

$656

Fri 1/301:35 pmSEA - SNN

1 stop18h 10mBritish Airways

Tue 2/38:05 pmSNN - SEA

2 stops50h 29mBritish Airways

Deal found 12/1

$646

One-way flights from Seattle to Galway
Search for one-way flight options from Seattle to Galway. Find affordable one-way fares based on user searches. Data last updated December 3, 2025.

Tue 4/216:45 pmSEA - SNN

2 stops17h 50mAer Lingus

Deal found 12/2

$378

Tue 4/2112:25 pmSEA - SNN

1 stop13h 50mUnited Airlines

Deal found 12/1

$379

Fri 5/226:45 pmSEA - SNN

2 stops37h 20mAer Lingus

Deal found 12/2

$467

Fri 5/221:15 pmSEA - SNN

3 stops44h 20mMultiple Airlines

Deal found 12/2

$508

Fri 5/221:35 pmSEA - SNN

1 stop18h 15mBritish Airways

Deal found 12/2

$1,105

Find flight deals from Seattle to Galway

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$479 (American Airlines)
One-way from	$378 (Ovago)
Popular in	June
Cheapest in	July
Average price	$795

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

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

Search Deals

From Seattle/Tacoma Intl to Galway

Search Deals

One-way flight from Seattle/Tacoma Intl to Galway

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

8:20 pm-8:35 pm

1 stop16h 15m

Shannon

Sat 4/25

7:40 am-9:46 pm

2 stops22h 06m

$479

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

12:25 pm-10:15 am

1 stop13h 50m

Shannon

Sat 4/25

12:30 pm-9:45 am

2 stops29h 15m

$493

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/16

2:04 pm-3:45 pm

2 stops17h 41m

Shannon

Fri 1/23

7:50 am-4:55 pm

1 stop17h 05m

$511

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/30

1:35 pm-11:30 am

1 stop13h 55m

Shannon

Tue 2/3

7:50 am-4:55 pm

1 stop17h 05m

$644

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-3:45 pm

1 stop18h 10m

Shannon

Tue 1/27

7:50 am-4:55 pm

1 stop17h 05m

$644

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/30

1:35 pm-3:45 pm

1 stop18h 10m

Shannon

Tue 2/3

8:05 pm-2:34 pm

2 stops50h 29m

$646

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-11:30 am

1 stop13h 55m

Shannon

Tue 1/27

5:30 pm-2:34 pm

2 stops53h 04m

$646

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/21

6:45 pm-8:35 pm

2 stops17h 50m

$378

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/21

12:25 pm-10:15 am

1 stop13h 50m

$379

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 5/22

6:45 pm-4:05 pm

2 stops37h 20m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Best time to book a flight from Seattle to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway 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 Galway

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

It’s optimal to fly from Seattle to Galway at noon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the morning.

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

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

Reviews of airlines servicing Galway

Read reviews from past customers who have flown United Airlines, American Airlines, and Aer Lingus 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

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,065 reviews

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,046 reviews

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Aer Lingus

7.2

Good

1,384 reviews

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 3 different airlines.
How long is the flight from Seattle to Galway?
Airlines like American Airlines and United Airlines fly from Seattle to Galway in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 2h 25m. The distance between Seattle and Galway is about 4485 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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

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Top 3 airlines flying from Seattle to Galway

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$488	Average$623	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$593	Average$761	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$759	Average$815	FlexibilityNo cancel fee	On-timeN/A

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$378+ Cheap flights from Seattle (SEA) to Galway, Ireland

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Galway with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Galway

Cheapest flights from Seattle to GalwayExplore the most affordable flight options available from Seattle to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Explore the most affordable flight options available from Seattle to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Find flight deals from Seattle to Galway

Keep the following information in mind while searching for Seattle to Galway flight deals. Data was last updated December 3, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Galway that are best for you.

Best time to book a flight from Seattle to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway from Seattle with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Seattle to Galway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Galway. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Galway

Read reviews from past customers who have flown United Airlines, American Airlines, and Aer Lingus 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

Find useful and relevant information for your journey from Seattle to Galway. 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 Galway?

How long is the flight 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.

Top 3 airlines flying from Seattle to Galway

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Cheapest flights from Seattle to Galway
Explore the most affordable flight options available from Seattle to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.