Cheap flights from Belfast International to Seattle

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How to find the cheapest flight from
Belfast International (BFS) to Seattle (SEA)

All the information you need to plan the best BFS to SEA flight in 2021: compare Belfast International to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
How far in advance should I book a flight from Belfast International to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 51% on flights from Belfast International to Seattle compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £439. For sooner than that we have options available in the next 3 days from £575.

What is the cheapest month to fly from Belfast International to Seattle?

The best pricing can be found in the month of February. Prices to Seattle from Belfast International average £388. You can even find prices in February for less than £388, as users have found deals to Seattle from as low as £255. The month of July appears to be one of the more expensive times to travel to Seattle from Belfast International. Flying in the targeted month can save you up to 37%.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Belfast International</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Belfast International to Seattle

Are flight prices decreasing from Belfast International to Seattle due to COVID-19 (coronavirus)?

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 International 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.

Which airlines flying from Belfast Intl to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

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.

What airport do you fly into for flights to Seattle from Belfast Intl?

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city centre, is the airport you fly into when you book flights from Belfast Intl to Seattle. 2 airlines have flights to Seattle/Tacoma Intl from Belfast Intl on a regular basis. Booking flights from Belfast Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Belfast Intl per day.

Does it rain more in Belfast International or Seattle?

The rainfall in Belfast International is generally same as the rainfall in Seattle. This will continue over the next 22 days.

Is Belfast International weather warmer or cooler than Seattle?

Temperatures around the 25 °Cs can be experienced in July. The weather in Seattle is hotter than in Belfast International. Plan for potential changes in flight availability as peak weather approaches in this location.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Belfast International to Seattle.
Today's exchange rate
£1 = $1.42
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing Belfast

Airports servicing Seattle

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