Cheap flights from Seattle to Northern Ireland from £339
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 26/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What is the cheapest month to fly from Seattle to Northern Ireland?
The best pricing can be found in the month of April. Prices to Northern Ireland from Seattle average £826. You can even find prices in April for less than £826, as users have found deals to Northern Ireland from as low as £573. The month of June appears to be one of the more expensive times to travel to Northern Ireland from Seattle. Flying in the targeted month can save you up to 40%.
When is the cheapest time to fly from Seattle to Northern Ireland (SEA - NIR)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Northern Ireland as you normally would.
Cheap American Airlines flights from Seattle to Northern Ireland
Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Northern Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Consider these cheap American Airlines flights we've found departing from Seattle to Northern Ireland. Be sure to come back soon if the deals available don't appeal to you at this time.
Cheap British Airways flights from Seattle to Northern Ireland
Explore cheap flight options specifically provided by British Airways for the route between Seattle and Northern Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Some of the best deals we've found on British Airways flights travelling from Seattle to Northern Ireland. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cheap Seattle to Northern Ireland flights in May & June 2024
Find cheap flight options from Seattle to Northern Ireland specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 852,833 searches. Prices were last updated on 14 May 2024.
Check out some of the best flight deals from Seattle to Northern Ireland in 2024. More deals are always being added, so be sure to check back regularly.
Seattle to Northern Ireland 2024 flight deals
Discover exclusive flight deals for travel between Seattle and Northern Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Check out some of the best flight deals from Seattle to Northern Ireland in 2024. More deals are always being added, so be sure to check back regularly.
One-way flights to Northern Ireland from Seattle
Search for one-way flight options from Seattle to Northern Ireland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Some of the best available deals we've found on one-way flights from Seattle to Northern Ireland. Users in need of a round-trip flight from Seattle to Northern Ireland instead should update the search form at the top of page.
Find flights from Seattle to Northern Ireland within your budget
Customise your flight search to find flights from Seattle to Northern Ireland 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 852,833 searches. Data last updated 14 May 2024.
Fly from
Fly to
Budget
£550 - £955
Route
Depart
Return
Price
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Tue 29/10
1 stop13h 05m
Belfast City
Sun 3/11
1 stop15h 05m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Tue 29/10
2 stops21h 40m
Belfast City
Sun 3/11
1 stop15h 05m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Tue 29/10
2 stops21h 56m
Belfast City
Sun 3/11
2 stops24h 17m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Fri 4/10
1 stop16h 10m
Belfast City
Tue 8/10
1 stop13h 00m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Sat 7/9
2 stops19h 32m
Belfast City
Sat 21/9
1 stop27h 15m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Sat 14/9
1 stop13h 10m
Belfast City
Sat 28/9
2 stops19h 31m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Fri 4/10
2 stops19h 15m
Belfast City
Tue 8/10
1 stop31h 30m
Seattle/Tacoma IntlBelfast City
SEA - BHD
SEABHD
Seattle/Tacoma Intl
Fri 4/10
2 stops25h 30m
Belfast City
Tue 8/10
2 stops37h 00m
Seattle/Tacoma IntlBelfast Intl
SEA - BFS
SEABFS
Seattle/Tacoma Intl
Sun 26/5
2 stops30h 00m
Belfast Intl
Sun 2/6
3 stops20h 35m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Northern Ireland
Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated 14 May 2024.
Read through reviews of airlines operating flights from Seattle to Northern Ireland, such as American Airlines, British Airways and Lufthansa. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Northern Ireland. 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 Northern IrelandSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Seattle to Northern Ireland?
Deals for Seattle to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Northern Ireland?
Cheapflights simply makes it quick and affordable to book flights from Seattle to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Seattle to Northern Ireland with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to Northern Ireland with no change fees.
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Not ready to book yet? You can track prices for flights from Seattle to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.