$361+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
One-way
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 August 31, 2026.
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 August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/157:00 am -
1 stop19h 15m
Thu 10/2212:30 pm -
1 stop17h 25m
Deal found 8/31![United Airlines logo]()
$863
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/46:43 pm -
3 stops31h 32m
Sun 10/1112:30 pm -
2 stops29h 31m
Deal found 8/30![United Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am -
1 stop16h 30m
Sun 9/69:30 am -
1 stop14h 37m
Deal found 8/27![United Airlines logo]()
$973
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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.
Tue 9/157:10 pm -
2 stops17h 25m
Mon 9/289:15 pm -
2 stops27h 55m
Deal found 8/30![Aer Lingus logo]()
$975
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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.
Sun 10/411:42 pm -
1 stop21h 43m
Sun 10/119:15 pm -
2 stops27h 55m
Deal found 8/28![Aer Lingus logo]()
$980
This Air Canada deal was found by Cheapflights users on 8/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:45 am -
2 stops19h 45m
Mon 12/218:05 pm -
2 stops32h 54m
Deal found 8/27![Multiple Airlines logo]()
$990
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 12/144:45 pm -
2 stops18h 40m
Mon 12/218:05 pm -
1 stop23h 20m
Deal found 8/28![British Airways logo]()
$992
Best flights from Seattle to GalwayDiscover 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 August 31, 2026.
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 August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/158:25 am -
2 stops17h 50m
Thu 10/2212:30 pm -
2 stops18h 29m
Deal found 8/31![United Airlines logo]()
$868
This British Airways deal was found by Cheapflights users on 8/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:45 pm -
1 stop14h 00m
Mon 2/15:30 pm -
2 stops53h 11m
Deal found 8/28![British Airways logo]()
$964
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/46:43 pm -
3 stops31h 32m
Sun 10/1112:30 pm -
2 stops29h 31m
Deal found 8/30![United Airlines logo]()
$926
This British Airways deal was found by Cheapflights users on 8/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:45 pm -
1 stop32h 45m
Wed 2/37:50 am -
1 stop17h 00m
Deal found 8/28![British Airways logo]()
$964
This British Airways deal was found by Cheapflights users on 8/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:45 pm -
1 stop32h 45m
Wed 2/35:30 pm -
1 stop31h 20m
Deal found 8/28![British Airways logo]()
$964
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:43 pm -
3 stops31h 32m
Sun 10/1812:30 pm -
2 stops35h 21m
Deal found 8/27![United Airlines logo]()
$994
This British Airways deal was found by Cheapflights users on 8/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:45 pm -
1 stop14h 00m
Fri 1/297:50 am -
1 stop17h 00m
Deal found 8/28![British Airways logo]()
$977
This British Airways deal was found by Cheapflights users on 8/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:57 pm -
2 stops36h 48m
Tue 2/27:50 am -
1 stop17h 00m
Deal found 8/28![British Airways logo]()
$979
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 12/146:14 am -
2 stops21h 16m
Mon 12/218:05 pm -
1 stop23h 20m
Deal found 8/29![British Airways logo]()
$992
Last-minute flights from Seattle to GalwayDiscover last-minute flight deals from Seattle to Galway. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Galway. Data last updated August 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:15 am -
1 stop19h 55m
Sun 9/61:05 pm -
1 stop15h 15m
Deal found 8/29![Delta logo]()
$973
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 8/315:00 am -
2 stops18h 30m
Sun 9/69:30 am -
2 stops21h 34m
Deal found 8/29![United Airlines logo]()
$978
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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.
Tue 9/157:10 pm -
2 stops17h 25m
Mon 9/289:15 pm -
2 stops27h 55m
Deal found 8/30![Aer Lingus logo]()
$975
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:20 pm -
1 stop16h 15m
Mon 9/289:15 pm -
1 stop22h 20m
Deal found 8/27![Multiple Airlines logo]()
$1,105
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 9/211:30 pm -
1 stop13h 50m
Mon 9/289:15 pm -
2 stops27h 55m
Deal found 8/28![Aer Lingus logo]()
$1,021
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/217:10 pm -
2 stops18h 25m
Mon 10/264:20 pm -
1 stop32h 45m
Deal found 8/30![Multiple Airlines logo]()
$1,094
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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 9/211:30 pm -
1 stop18h 40m
Mon 10/268:05 pm -
1 stop23h 20m
Deal found 8/30![British Airways logo]()
$1,120
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 9/211:30 pm -
1 stop18h 40m
Mon 9/289:15 pm -
1 stop22h 20m
Deal found 8/28![British Airways logo]()
$1,121
This Justfly.com deal was found by Cheapflights users on 8/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:30 pm -
1 stop13h 50m
Mon 10/268:05 pm -
1 stop23h 20m
Deal found 8/30![Aer Lingus logo]()
$1,127
This Justfly.com deal was found by Cheapflights users on 8/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 am -
2 stops24h 10m
Mon 10/268:05 pm -
2 stops44h 12m
Deal found 8/30![Air Canada logo]()
$1,135
One-way flights from Seattle to GalwaySearch for one-way flight options from Seattle to Galway. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Seattle to Galway. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Sun 11/12:35 pm -
3 stops43h 25m
Deal found 8/31![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Wed 9/307:00 pm -
3 stops41h 25m
Deal found 8/30![Multiple Airlines logo]()
$379
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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.
Wed 9/3011:42 pm -
1 stop21h 43m
Deal found 8/30![Aer Lingus logo]()
$484
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $863 (United Airlines) |
One-way from | $361 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 31, 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
Cheapest round-trip
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Thu 10/15
8:25 am-10:15 am
2 stops17h 50m
Shannon
Thu 10/22
12:30 pm-10:59 pm
2 stops18h 29m
$868
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sun 10/4
6:43 pm-10:15 am
3 stops31h 32m
Shannon
Sun 10/11
12:30 pm-10:01 am
2 stops29h 31m
$926
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Mon 1/11
6:45 pm-4:45 pm
1 stop14h 00m
Shannon
Mon 2/1
5:30 pm-2:41 pm
2 stops53h 11m
$964
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sun 1/17
6:45 pm-11:30 am
1 stop32h 45m
Shannon
Wed 2/3
7:50 am-4:50 pm
1 stop17h 00m
$964
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Wed 1/13
6:45 pm-11:30 am
1 stop32h 45m
Shannon
Wed 2/3
5:30 pm-4:50 pm
1 stop31h 20m
$964
Quickest round-trip
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sun 1/17
6:45 pm-4:45 pm
1 stop14h 00m
Shannon
Fri 1/29
7:50 am-4:50 pm
1 stop17h 00m
$977
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sat 1/16
7:57 pm-4:45 pm
2 stops36h 48m
Shannon
Tue 2/2
7:50 am-4:50 pm
1 stop17h 00m
$979
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Mon 12/14
6:14 am-11:30 am
2 stops21h 16m
Shannon
Mon 12/21
8:05 pm-11:25 am
1 stop23h 20m
$992
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sun 10/11
6:43 pm-10:15 am
3 stops31h 32m
Shannon
Sun 10/18
12:30 pm-3:51 pm
2 stops35h 21m
$994
Cheapest one-way
SeattleShannon
SEA Seattle/Tacoma Intl - SNN Shannon
SEASNN
Seattle/Tacoma Intl
Sun 11/1
2:35 pm-6:00 pm
3 stops43h 25m
$361
Showing 1-10 of 12 resultsSorted by cheapest first
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.
SEA-SNN
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
SEA-G4W
SEA-SNN
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 August 31, 2026.
Read reviews from past customers who have flown United 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.
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Seattle to Galway
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Complete your trip
Complete your trip to Galway by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Seattle to Galway, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Galway flights
Browse other Seattle and Galway flight options. Last updated on August 31, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Galway flights
Consider these flights traveling from Seattle to Galway.
Top airline flying from Seattle to Galway
Discover the top airline 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$592 | Average$1,100 | FlexibilityNo cancel fee | On-time69% |