Book cheap flights from Belfast to Seattle with Netflights. We scan all 31 of the weekly flights going via Seattle, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.
Generally, George Best Belfast City Airport (BHD) is the most popular choice for flights to Seattle. And the most popular airlines are Virgin Atlantic, British Airways & United Airlines. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.
Last-minute deals can be cheaper, but it's risky. It's best to book flights to Seattle in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from Belfast to Seattle generally take about 18 hrs 15 mins.
You can also compare the prices of hotels and hire cars for your stay in USA. Simply use the tabs above, or add them to your booking once you’ve chosen your flight.