$276+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Apr 13 — Apr 201
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
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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 March 14, 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 March 14, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 9/911:15 am
SEA
- SNN
1 stop15h 55m
Delta
Wed 9/161:05 pm
SNN
- SEA
1 stop17h 11m
Delta
Deal found 3/9![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/285:00 am
SEA
- SNN
2 stops21h 15m
United Airlines
Tue 5/512:30 pm
SNN
- SEA
3 stops34h 06m
United Airlines
Deal found 3/14![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 3/9. 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 9/611:56 pm
SEA
- SNN
2 stops23h 34m
United Airlines
Wed 9/169:30 am
SNN
- SEA
1 stop17h 29m
United Airlines
Deal found 3/9![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 9/59:55 pm
SEA
- SNN
1 stop29h 15m
Delta
Mon 9/141:05 pm
SNN
- SEA
1 stop17h 11m
Delta
Deal found 3/9![Delta logo]()
$663
This United Airlines deal was found by Cheapflights users on 3/10. 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 9/25:00 pm
SEA
- SNN
1 stop30h 30m
United Airlines
Wed 9/169:30 am
SNN
- SEA
1 stop17h 29m
United Airlines
Deal found 3/10![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sat 5/910:41 pm
SEA
- SNN
2 stops27h 34m
United Airlines
Sun 5/249:30 am
SNN
- SEA
1 stop17h 36m
United Airlines
Deal found 3/14![United Airlines logo]()
$692
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 8/15:04 pm
SEA
- SNN
3 stops33h 11m
United Airlines
Sun 8/169:30 am
SNN
- SEA
1 stop32h 05m
United Airlines
Deal found 3/13![United Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:10 pm
SEA
- SNN
2 stops17h 25m
Aer Lingus
Wed 9/167:30 am
SNN
- SEA
2 stops17h 40m
Aer Lingus
Deal found 3/10![Aer Lingus logo]()
$716
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/226:30 am
SEA
- SNN
2 stops19h 45m
United Airlines
Sat 5/212:30 pm
SNN
- SEA
2 stops31h 07m
United Airlines
Deal found 3/9![United Airlines logo]()
$718
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/146:30 am
SEA
- SNN
2 stops19h 45m
United Airlines
Sat 4/2512:30 pm
SNN
- SEA
2 stops18h 57m
United Airlines
Deal found 3/10![United Airlines logo]()
$738
This Ovago deal was found by Cheapflights users on 3/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 pm
SEA
- SNN
1 stop27h 15m
Lufthansa
Sun 5/249:30 am
SNN
- SEA
1 stop22h 29m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$747
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 March 14, 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 March 14, 2026.
This United Airlines deal was found by Cheapflights users on 3/9. 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 9/611:56 pm
SEA
- SNN
2 stops23h 34m
United Airlines
Wed 9/169:30 am
SNN
- SEA
1 stop17h 29m
United Airlines
Deal found 3/9![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 9/69:55 pm
SEA
- SNN
1 stop29h 15m
Delta
Thu 9/171:05 pm
SNN
- SEA
1 stop17h 11m
Delta
Deal found 3/12![Delta logo]()
$613
This KLM deal was found by Cheapflights users on 3/9. 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.
Wed 9/911:15 am
SEA
- SNN
1 stop15h 55m
Multiple Airlines
Wed 9/161:05 pm
SNN
- SEA
2 stops35h 47m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 9/59:55 pm
SEA
- SNN
1 stop29h 15m
Delta
Mon 9/141:05 pm
SNN
- SEA
1 stop17h 11m
Delta
Deal found 3/9![Delta logo]()
$663
This United Airlines deal was found by Cheapflights users on 3/10. 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 9/25:00 pm
SEA
- SNN
1 stop30h 30m
United Airlines
Wed 9/169:30 am
SNN
- SEA
1 stop17h 29m
United Airlines
Deal found 3/10![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 8/111:49 pm
SEA
- SNN
2 stops23h 41m
United Airlines
Sun 8/169:30 am
SNN
- SEA
1 stop32h 05m
United Airlines
Deal found 3/13![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/145:00 am
SEA
- SNN
2 stops21h 15m
United Airlines
Sat 4/2512:30 pm
SNN
- SEA
2 stops30h 09m
United Airlines
Deal found 3/14![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 3/9. 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 6/3010:52 am
SEA
- SNN
1 stop12h 38m
United Airlines
Tue 7/79:30 am
SNN
- SEA
2 stops19h 23m
United Airlines
Deal found 3/9![United Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 3/10. 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 7/110:52 am
SEA
- SNN
1 stop12h 38m
United Airlines
Wed 7/89:30 am
SNN
- SEA
2 stops19h 23m
United Airlines
Deal found 3/10![United Airlines logo]()
$837
Last-minute flights from Seattle to GalwayDiscover last-minute flight deals from Seattle to Galway. Data last updated March 14, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Galway. Data last updated March 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/146:30 am
SEA
- SNN
2 stops19h 45m
United Airlines
Sat 4/2512:30 pm
SNN
- SEA
2 stops18h 57m
United Airlines
Deal found 3/10![United Airlines logo]()
$738
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:30 pm
SEA
- SNN
1 stop13h 50m
British Airways
Sat 4/255:25 pm
SNN
- SEA
1 stop26h 10m
British Airways
Deal found 3/9![British Airways logo]()
$779
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/226:30 am
SEA
- SNN
2 stops19h 45m
United Airlines
Sat 5/212:30 pm
SNN
- SEA
2 stops31h 07m
United Airlines
Deal found 3/9![United Airlines logo]()
$718
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:10 pm
SEA
- SNN
2 stops17h 25m
Aer Lingus
Thu 4/309:15 pm
SNN
- SEA
2 stops27h 55m
Aer Lingus
Deal found 3/9![Aer Lingus logo]()
$762
This Ovago deal was found by Cheapflights users on 3/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:35 pm
SEA
- SNN
1 stop18h 35m
Multiple Airlines
Thu 4/309:15 pm
SNN
- SEA
2 stops27h 55m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/2712:08 pm
SEA
- SNN
1 stop14h 07m
United Airlines
Mon 5/412:30 pm
SNN
- SEA
2 stops31h 07m
United Airlines
Deal found 3/13![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/285:00 am
SEA
- SNN
2 stops21h 15m
United Airlines
Tue 5/512:30 pm
SNN
- SEA
3 stops34h 06m
United Airlines
Deal found 3/14![United Airlines logo]()
$612
This Air Canada deal was found by Cheapflights users on 3/14. 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.
Tue 4/2810:20 am
SEA
- SNN
3 stops21h 50m
Air Canada
Tue 5/57:30 am
SNN
- SEA
3 stops19h 00m
Air Canada
Deal found 3/14![Air Canada logo]()
$791
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 March 14, 2026.
Search for one-way flight options from Seattle to Galway. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/187:00 pm
SEA
- SNN
3 stops30h 30m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 5/2811:25 pm
SEA
- SNN
3 stops40h 00m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 8/111:00 pm
SEA
- SNN
2 stops47h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 8/122:16 pm
SEA
- SNN
3 stops42h 19m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$338
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 March 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $608 (Delta) |
One-way from | $276 (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 2,558,603 searches. Data last updated March 14, 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 - SNN
SEASNN
Seattle/Tacoma Intl
Sun 9/6
11:56 pm-7:30 am
2 stops23h 34m
Shannon
Wed 9/16
9:30 am-6:59 pm
1 stop17h 29m
$613
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Sun 9/6
9:55 pm-11:10 am
1 stop29h 15m
Shannon
Thu 9/17
1:05 pm-10:16 pm
1 stop17h 11m
$613
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Wed 9/9
11:15 am-11:10 am
1 stop15h 55m
Shannon
Wed 9/16
1:05 pm-4:52 pm
2 stops35h 47m
$613
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Sat 9/5
9:55 pm-11:10 am
1 stop29h 15m
Shannon
Mon 9/14
1:05 pm-10:16 pm
1 stop17h 11m
$663
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Wed 9/2
5:00 pm-7:30 am
1 stop30h 30m
Shannon
Wed 9/16
9:30 am-6:59 pm
1 stop17h 29m
$665
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Sat 8/1
11:49 pm-7:30 am
2 stops23h 41m
Shannon
Sun 8/16
9:30 am-9:35 am
1 stop32h 05m
$699
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Tue 4/14
5:00 am-10:15 am
2 stops21h 15m
Shannon
Sat 4/25
12:30 pm-10:39 am
2 stops30h 09m
$767
Quickest round-trip
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Tue 6/30
10:52 am-7:30 am
1 stop12h 38m
Shannon
Tue 7/7
9:30 am-8:53 pm
2 stops19h 23m
$837
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Wed 7/1
10:52 am-7:30 am
1 stop12h 38m
Shannon
Wed 7/8
9:30 am-8:53 pm
2 stops19h 23m
$837
Cheapest one-way
SeattleShannon
SEA - SNN
SEASNN
Seattle/Tacoma Intl
Mon 5/18
7:00 pm-9:30 am
3 stops30h 30m
$277
Showing 1-10 of 16 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 March 14, 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.
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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 March 14, 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 March 14, 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 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 March 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$621 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$592 | Average$790 | FlexibilityNo cancel fee | On-time69% |