Flights from Belfast to Seattle-Tacoma International are generally found to be more expensive on Friday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle-Tacoma International.
Travellers have found it’s best to book a flight 52 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Belfast to Seattle-Tacoma International 1-2 weeks in advance for as low as £448, or £587 for flights within the next 24 hours.
Our data shows that February tends to be the cheapest month to fly to Seattle-Tacoma International from Belfast. Users have commonly found prices around £396 for the month, but tickets can be as low as £261. Due to multiple factors, prepare for potentially higher prices in July.
It’s optimal to fly from Belfast to Seattle-Tacoma International in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Belfast and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
United Airlines and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Belfast. On average, Seattle/Tacoma Intl has 0 inbound flights from Belfast per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city centre.
Yes, there are multiple flights from Belfast to Seattle-Tacoma International for under £579. The cheapest flight booked recently is on Multiple Airlines for just £534, but on average you can expect to pay £755.
There are no direct flights from Belfast to Seattle-Tacoma International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
We forecast the temperature to be around the 25 °Cs in July, on average. The temperature in Seattle is generally hotter than in Belfast. Book flights in a timely manner in correlation to your departure date.
Aer Lingus, British Airways, and American Airlines can get you from Belfast to Seattle-Tacoma International in just under 16h 35m. Your travel time can differ by up to 50m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Flying on Virgin Atlantic is currently your cheapest option to Seattle-Tacoma International, with prices starting at £567. Additional return tickets that might be worth considering are offered by Delta and Aer Lingus, with the lowest prices starting at £569 and £570, respectively. Virgin Atlantic is 18% cheaper than the average price of flights available within the next 90 days to this destination.