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$398+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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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 January 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:50 pm
SEA
-
SNN
1 stop13h 55m
American Airlines
Wed 3/47:50 am
SNN
-
SEA
1 stop17h 05m
American Airlines
Deal found 1/26$471
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:50 pm
SEA
-
SNN
1 stop13h 55m
American Airlines
Tue 3/37:50 am
SNN
-
SEA
1 stop17h 05m
American Airlines
Deal found 1/27$472
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:15 am
SEA
-
SNN
1 stop15h 55m
KLM
Tue 9/151:05 pm
SNN
-
SEA
1 stop17h 11m
KLM
Deal found 1/26$488
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm
SEA
-
SNN
2 stops30h 30m
United Airlines
Tue 9/159:30 am
SNN
-
SEA
2 stops19h 41m
United Airlines
Deal found 1/26$523
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:35 pm
SEA
-
SNN
1 stop13h 45m
American Airlines
Sat 4/257:30 am
SNN
-
SEA
2 stops22h 56m
American Airlines
Deal found 1/26$531

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(American Airlines)

One-way from

$398
(Mytrip)
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
From Seattle/Tacoma Intl to Galway
Search Deals
One-way flight from Seattle/Tacoma Intl to Galway
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Galway 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 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Seattle to Galway that are best for you.

Fly from

Seattle

Fly to

Galway

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 2/24

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Tue 3/3

7:50 am-4:55 pm

1 stop17h 05m

$472

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/25

7:15 am-11:30 am

2 stops20h 15m

Shannon

Wed 3/4

7:50 am-9:17 pm

2 stops21h 27m

$486

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

1:29 pm-4:10 pm

2 stops18h 41m

Shannon

Sat 4/25

7:30 am-10:26 pm

2 stops22h 56m

$536

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 5/1

11:59 pm-10:15 am

2 stops26h 16m

Shannon

Fri 5/15

12:30 pm-11:37 am

2 stops31h 07m

$593

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 3/4

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Sun 3/8

8:05 pm-5:55 pm

1 stop28h 50m

$673

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 2/26

10:57 pm-3:45 pm

2 stops32h 48m

Shannon

Wed 3/11

7:50 am-5:55 pm

1 stop17h 05m

$674

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

8:20 pm-8:35 pm

1 stop16h 15m

Shannon

Sat 4/25

5:25 pm-11:35 am

1 stop26h 10m

$683

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 6/2

3:40 pm-11:35 pm

2 stops23h 55m

$398

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 7/25

9:55 pm-11:10 am

1 stop29h 15m

$415

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 3/12

3:52 pm-7:25 pm

2 stops20h 33m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
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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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Galway

Get insights into the airlines that provide service to Galway. 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 Galway. Reviews last updated January 28, 2026.
Read reviews from past customers who have flown United Airlines and American 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
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,212 reviews
United Airlines
7.4
Good
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,201 reviews
United Airlines
7.4
Good
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    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 2 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 55m. The time it takes to get you to your destination can typically vary by up to 12h 21m. 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

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Top 2 airlines flying from Seattle to Galway

Discover the top 2 airlines that operate flights from Seattle to Galway. 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 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$621FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$755FlexibilityNo cancel feeOn-time69%

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