How long is the flight from Seattle to Galway?

Airlines like American Airlines fly from Seattle to Galway in about 20h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Galway is about 4485 mi.

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.

$390+ 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 12, 2025.

Wed 12/246:50 pmSEA - SNN

1 stop32h 40mBritish Airways

Wed 12/317:50 amSNN - SEA

2 stops18h 39mBritish Airways

Deal found 12/10

$2,164

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 12, 2025.

Sun 3/17:15 amSEA - SNN

2 stops20h 15mAmerican Airlines

Tue 3/107:50 amSNN - SEA

1 stop17h 05mAmerican Airlines

Deal found 12/11

$474

Sun 3/15:50 amSEA - SNN

2 stops26h 55mMultiple Airlines

Tue 3/107:50 amSNN - SEA

3 stops32h 41mMultiple Airlines

Deal found 12/11

$669

Fri 1/303:40 pmSEA - SNN

2 stops16h 05mAir Canada

Tue 2/35:30 pmSNN - SEA

2 stops48h 01mAir Canada

Deal found 12/9

$669

Fri 1/301:35 pmSEA - SNN

1 stop13h 55mBritish Airways

Tue 2/37:50 amSNN - SEA

2 stops38h 44mBritish Airways

Deal found 12/9

$671

Tue 4/141:35 pmSEA - SNN

1 stop13h 45mAmerican Airlines

Sat 4/257:40 amSNN - SEA

2 stops23h 25mAmerican Airlines

Deal found 12/10

$529

Last-minute flights from Seattle to Galway
Discover last-minute flight deals from Seattle to Galway. Data last updated December 12, 2025 and is based on user searches.

Wed 12/246:50 pmSEA - SNN

1 stop32h 40mBritish Airways

Wed 12/317:50 amSNN - SEA

2 stops18h 39mBritish Airways

Deal found 12/10

$2,164

Fri 1/305:50 amSEA - SNN

2 stops25h 55mAir Canada

Tue 2/37:50 amSNN - SEA

2 stops33h 25mAir Canada

Deal found 12/11

$669

Fri 1/301:35 pmSEA - SNN

1 stop18h 10mBritish Airways

Tue 2/37:50 amSNN - SEA

1 stop17h 05mBritish Airways

Deal found 12/9

$671

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 12, 2025.

Tue 4/211:35 pmSEA - SNN

1 stop13h 45mAmerican Airlines

Deal found 12/11

$390

Thu 5/219:40 pmSEA - SNN

2 stops54h 10mMultiple Airlines

Deal found 12/10

$1,204

Thu 5/218:01 pmSEA - SNN

2 stops35h 49mBritish Airways

Deal found 12/10

$1,402

Find flight deals from Seattle to Galway

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Most trusted provider	eDreams 3 stars
Round-trip from	$469 (American Airlines)
One-way from	$390 (American Airlines)

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.

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From Seattle/Tacoma Intl to Galway

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One-way flight from Seattle/Tacoma Intl to Galway

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 3/1

7:15 am-11:30 am

2 stops20h 15m

Shannon

Tue 3/10

7:50 am-5:55 pm

1 stop17h 05m

$474

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

1:35 pm-11:20 am

1 stop13h 45m

Shannon

Sat 4/25

7:40 am-11:05 pm

2 stops23h 25m

$529

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 3/1

5:50 am-4:45 pm

2 stops26h 55m

Shannon

Tue 3/10

7:50 am-9:31 am

3 stops32h 41m

$669

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 1/30

3:40 pm-3:45 pm

2 stops16h 05m

Shannon

Tue 2/3

5:30 pm-9:31 am

2 stops48h 01m

$669

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-2:34 pm

2 stops38h 44m

$671

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/21

1:35 pm-4:10 pm

1 stop18h 35m

$390

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 5/21

9:40 pm-11:50 am

2 stops54h 10m

$1,204

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 5/21

8:01 pm-3:50 pm

2 stops35h 49m

$1,402

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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.

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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

American Airlines

7.2

Good

11,050 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Aer Lingus

7.2

Good

1,394 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 fly from Seattle to Galway in about 20h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Galway is about 4485 mi.
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$722	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$759	Average$815	FlexibilityNo cancel fee	On-timeN/A

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$390+ 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

1. Tell us where you want to go

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 12, 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 12, 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 12, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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 12, 2025.

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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Travel Smart

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 12, 2025.