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$385+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Galway

Keep the following information in mind while searching for Seattle to Galway flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(American Airlines)

One-way from

$385
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$911
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
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Highest demand for flights based on searches. 16% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/101:25 pmSEA - SNN
2 stops20h 20mAmerican Airlines
Mon 3/177:45 amSNN - SEA
2 stops22h 22mAmerican Airlines
Deal found 2/20$633
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:33 pmSEA - SNN
2 stops27h 57mUnited Airlines
Fri 8/229:30 amSNN - SEA
2 stops19h 42mUnited Airlines
Deal found 2/20$639
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/109:00 pmSEA - SNN
2 stops15h 25mAer Lingus
Mon 3/178:05 pmSNN - SEA
1 stop23h 15mAer Lingus
Deal found 2/20$744
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:55 amSEA - SNN
3 stops22h 35mMultiple Airlines
Mon 3/178:05 pmSNN - SEA
2 stops32h 25mMultiple Airlines
Deal found 2/20$781
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:20 pmSEA - SNN
1 stop13h 55mLufthansa
Fri 4/1112:30 pmSNN - SEA
1 stop17h 49mLufthansa
Deal found 2/20$798
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:55 amSEA - SNN
3 stops22h 35mAir Canada
Mon 3/177:45 amSNN - SEA
3 stops33h 05mAir Canada
Deal found 2/20$831
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:50 pmSEA - SNN
1 stop13h 55mBritish Airways
Mon 3/245:30 pmSNN - SEA
1 stop25h 50mBritish Airways
Deal found 2/19$841

Find flights from Seattle to Galway within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

Galway

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

1:25 pm-4:45 pm

2 stops20h 20m

Shannon

Mon 3/17

7:45 am-11:07 pm

2 stops22h 22m

$633

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 8/9

7:33 pm-7:30 am

2 stops27h 57m

Shannon

Fri 8/22

9:30 am-9:12 pm

2 stops19h 42m

$639

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

9:00 pm-7:25 pm

2 stops15h 25m

Shannon

Mon 3/17

8:05 pm-12:20 pm

1 stop23h 15m

$744

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

5:55 am-11:30 am

3 stops22h 35m

Shannon

Mon 3/17

8:05 pm-9:30 pm

2 stops32h 25m

$781

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 4/4

12:20 pm-10:15 am

1 stop13h 55m

Shannon

Fri 4/11

12:30 pm-10:19 pm

1 stop17h 49m

$798

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

5:55 am-11:30 am

3 stops22h 35m

Shannon

Mon 3/17

7:45 am-9:50 am

3 stops33h 05m

$831

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/17

7:50 pm-4:45 pm

1 stop13h 55m

Shannon

Mon 3/24

5:30 pm-12:20 pm

1 stop25h 50m

$841

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 5/20

7:05 am-8:20 am

3 stops41h 15m

$385

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 5/19

1:25 pm-10:15 am

1 stop12h 50m

$489

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 5/19

1:30 pm-8:35 pm

1 stop23h 05m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 12 results
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.

Travel insights for flights from Seattle to Galway

Get recent, data-driven insights about flights from Seattle to Galway including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Galway?

Currently, February is the cheapest month in which you can book a flight from Seattle to Galway (average of $533). Flying from Seattle to Galway in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 February 20, 2025.

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 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.

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.

Rainfall in Galway by month

Plan your trip to Galway by taking into account the average rainfall totals by month.

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.

Temperature in Galway by month

Plan your trip to Galway by taking into account the average temperature totals by month.

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).

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 February 20, 2025.
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air Canada
7.0
Good
8,748 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 5 different airlines.

  • What are the cheapest airlines to fly from Seattle to Galway one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $495. Users have also found prices from $573 and $585 on British Airways and KLM, respectively.

  • 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.

  • What is the cheapest month to book a flight from Seattle to Galway?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Galway (average of $533). Flying from Seattle to Galway in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Seattle to Galway

Discover the top 5 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$734FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$590Average$864FlexibilityNo cancel feeOn-time69%
DeltaCheapest$613Average$894FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$703Average$909FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$703Average$795FlexibilityNo cancel feeOn-timeN/A
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