HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Galway

$300+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

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 June 6, 2026.

This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sun 9/67:00 am
SEA
-
SNN
1 stop16h 30m
United Airlines
Thu 9/109:30 am
SNN
-
SEA
1 stop17h 45m
United Airlines
Deal found 6/4$753
This United Airlines deal was found by Cheapflights users on 6/3. 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 8/47:00 am
SEA
-
SNN
1 stop16h 30m
United Airlines
Tue 8/259:30 am
SNN
-
SEA
1 stop14h 37m
United Airlines
Deal found 6/3$813
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 9/35:13 pm
SEA
-
SNN
2 stops33h 02m
United Airlines
Thu 9/179:30 am
SNN
-
SEA
1 stop17h 45m
United Airlines
Deal found 6/3$821
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:55 pm
SEA
-
SNN
1 stop20h 35m
Multiple Airlines
Mon 11/307:50 am
SNN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 6/3$837
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Sun 7/57:00 am
SEA
-
SNN
1 stop16h 30m
United Airlines
Tue 7/219:30 am
SNN
-
SEA
1 stop17h 36m
United Airlines
Deal found 6/3$838
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:55 pm
SEA
-
SNN
1 stop15h 05m
Multiple Airlines
Mon 11/307:50 am
SNN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 6/3$841
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/157:05 am
SEA
-
SNN
2 stops16h 25m
United Airlines
Wed 7/229:30 am
SNN
-
SEA
1 stop14h 39m
United Airlines
Deal found 6/1$847

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 June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$753
(United Airlines)

One-way from

$300
(Kiwi.com)
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
Search Deals

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 June 6, 2026.
Use the filters below to find and compare flights from Seattle to Galway that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

10:52 am-7:30 am

1 stop12h 38m

Shannon

Tue 8/25

9:30 am-5:42 pm

2 stops16h 12m

$818

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 8/5

5:00 am-7:30 am

2 stops18h 30m

Shannon

Fri 8/14

9:30 am-9:15 pm

2 stops19h 45m

$835

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 7/5

7:00 am-7:30 am

1 stop16h 30m

Shannon

Tue 7/21

9:30 am-7:06 pm

1 stop17h 36m

$838
Quickest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 7/15

10:52 am-7:30 am

1 stop12h 38m

Shannon

Wed 7/22

9:30 am-4:09 pm

1 stop14h 39m

$847

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

11:34 am-11:10 am

1 stop15h 36m

Shannon

Mon 8/24

1:05 pm-11:20 pm

1 stop18h 15m

$863

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

5:00 am-10:15 am

2 stops21h 15m

Shannon

Mon 8/24

9:30 am-7:07 pm

1 stop17h 37m

$868

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 8/6

8:56 am-7:30 am

2 stops14h 34m

Shannon

Fri 8/14

9:30 am-4:07 pm

1 stop14h 37m

$880
Cheapest one-way

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

11:25 pm-11:35 pm

3 stops40h 10m

$300

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 8/8

9:45 pm-9:45 am

1 stop28h 00m

$460
Quickest one-way

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 7/13

1:05 pm-10:15 am

1 stop13h 10m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 15 resultsSorted by cheapest first
1
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
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 June 6, 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
9,777 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,777 reviews
United Airlines
7.4
Good
9,777 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,651 reviews
United Airlines
7.4
Good
9,777 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 United Airlines fly from Seattle to Galway in about 12h 38m. 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

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.
Seattle to Dublin flights
Portland to Dublin flights
Seattle to Shannon flights
Spokane to Dublin flights
Seattle to Cork flights

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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$468Average$549FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$586Average$817FlexibilityNo cancel feeOn-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.
Site
©2026 Cheapflights