Find the cheapest flights from Northern Ireland to Seattle
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Use the filters below to find and compare flights from Northern Ireland to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Tue 16/3
07:00-18:00
2 stops18h 00m
Seattle/Tacoma Intl
Tue 23/3
19:00-21:30
2 stops19h 30m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Wed 17/3
06:25-18:00
2 stops18h 35m
Seattle/Tacoma Intl
Wed 24/3
19:00-19:35
2 stops17h 35m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Thu 19/11
09:05-17:00
2 stops15h 55m
Seattle/Tacoma Intl
Thu 26/11
14:35-19:50
2 stops21h 15m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Sun 22/11
17:10-15:55
2 stops30h 45m
Seattle/Tacoma Intl
Sun 29/11
15:00-20:10
2 stops21h 10m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Sun 22/11
20:40-17:00
3 stops28h 20m
Seattle/Tacoma Intl
Sun 29/11
14:35-21:40
2 stops23h 05m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Mon 15/3
21:10-18:00
3 stops27h 50m
Seattle/Tacoma Intl
Mon 22/3
08:40-19:10
3 stops27h 30m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Mon 15/3
21:10-18:00
3 stops27h 50m
Seattle/Tacoma Intl
Mon 22/3
07:45-19:10
2 stops28h 25m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Sun 15/11
06:55-17:00
1 stop18h 05m
Seattle/Tacoma Intl
Sun 22/11
14:30-20:35
2 stops22h 05m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Sun 22/11
20:40-17:00
3 stops28h 20m
Seattle/Tacoma Intl
Sun 29/11
14:35-20:35
3 stops22h 00m
BelfastSeattle
BFS Belfast Intl - SEA Seattle/Tacoma Intl
BFSSEA
Belfast Intl
Wed 17/3
06:25-18:00
2 stops18h 35m
Seattle/Tacoma Intl
Wed 24/3
08:40-14:10
3 stops22h 30m
Cheap Northern Ireland to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Seattle
Frequently asked questions about flying from Northern Ireland to Seattle
When did momondo last update prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport?
Prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Northern Ireland to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Frequently asked questions about flying from Northern Ireland to Seattle
How do I get Price Alerts for flights from Northern Ireland to Seattle?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Seattle. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Northern Ireland to Seattle with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Northern Ireland to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Northern Ireland to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Northern Ireland to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Northern Ireland to Seattle?
momondo helps you find the best flight between Northern Ireland and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Northern Ireland to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Northern Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.