Seattle to Belfast flights

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Cheap last minute flights to Belfast

Latest deals and top flight routes from Seattle airports.

Departure Mon, 20 Sep Return Mon, 27 Sep
SEA Seattle
BFS Belfast
return from £472
Departure Fri, 15 Oct Return Sun, 17 Oct
SEA Seattle
BFS Belfast
return from £579
Flight route information
Find out further information on Seattle and Belfast to help you prepare for your trip.
Currency and price comparison
Train
Local, one-way ticket
7%

Trains are 7% more expensive in Belfast than in Seattle.

Seattle
£1.99
Belfast
£2.12
Meal
Mid-priced restaurant
8%

A meal in Belfast is 8% cheaper than a meal in Seattle.

Seattle
£13.01
Belfast
£11.98
Taxi
Standard daytime start rate
0%

A taxi in Belfast costs roughly the same as in Seattle.

Seattle
£3.07
Belfast
£3.1
Coffee
Regular cappuccino
26%

Coffee in Belfast is 26% cheaper than in Seattle.

Seattle
£3.61
Belfast
£2.68
Seattle airports
  • ( Seattle All Airports (SEA)
    How far from city centre: 11 miles
  • ( Boeing Field International (BFI)
    How far from city centre: 5 miles
  • ( Lake Union Spb (LKE)
    How far from city centre: 7 miles
Belfast airports
  • ( Belfast City Apt (BHD)
    How far from city centre: 2 miles
  • ( Belfast International (BFS)
    How far from city centre: 12 miles
K Distance: 4466 miles

Search for flights from Seattle to Belfast

Find cheap flights from Seattle to Belfast with the Opodo search engine. Whether it’s on business, for a relaxing holiday or to visit loved ones, you will find all the best deals on flights from Seattle with Opodo, featuring cheap flights by all the top low cost and standard airlines. By simply entering your preferences in our speedy search engine, a large selection of options will be returned from which you just need to select the best deal that works for you. We’ll do the rest! Alternatively, if you are flexible on dates or an early bird, discover the cheapest day to fly from Seattle to Belfast to ensure you get the best price. Find exclusive discounts by downloading the Opodo App and subscribing to our newsletter to stay in touch with the best offers on flights, hotels and more. Finally, don’t forget to book a hotel or car hire to complete your journey, all of which you will find on Opodo, your one-stop travel shop. Then just sit back and relax and enjoy your holidays!

Frequent asked questions about flights from Seattle to Belfast

😷 Is it safe to travel from Seattle to Belfast during the Covid-19 situation?
At Opodo we want to make sure that your travel plans are not affected by any cancelation as well as any possible restrictions United Kingdom may apply when travelling from Seattle. Is your flight cancelled? We've got your back! With our flexible ticket guarantee you can decide if you want to book another flight - free of rebooking fee - or get a full refund!
🔍 How can I find cheap flights from Seattle to Belfast at Opodo?
The cheapest price for a flight from Seattle to Belfast is 472£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
💰 Is Belfast expensive to visit compared to Seattle?
If you compare transportation prices, the taxi ride in Belfast costs an average of 3.10 GBP, 16% cheaper than Seattle, with a fare of 3.67 GBP, while train tickets costs 5% more in Belfast: 2.12 GBP against 2.02 GBP in Seattle. If you compare the price of a lunch meal, however, you can find it from 12.00 GBP in Belfast, 7% less than the 12.85 GBP in Seattle. The price of the coffee is around 26% cheaper in Belfast, with an average of 2.68 GBP, while in Seattle the coffee costs 3.62 GBP.
📉 When is the best time to book a flight from Seattle to Belfast?
The most popular months to book a trip from Seattle to Belfast are October, July and November, based on the searches of our customers.
📅 When is the best time to travel from Seattle to Belfast?
The best time of the year to go to Belfast when flying from Seattle depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, August is the top 1º month to fly to Belfast from Seattle in terms of searches from our customer, followed by July and June. If you prefer to avoid high peaks of turism, however, and escape a crowded period, January, February and May are the months with less volume of searchs for the route Seattle -  Belfast.
🌡️ How is the weather in Belfast compared to Seattle?
While in Seattle the temperatures can reach an average of 31.31 ºC in summer, with precipitation levels up to 9.0 mm ,Belfast's temperatures can go up to 23.26 ºC during the hot season, with 3.0 mm average of rain rate . In winter, however, weather indicators show around -3.28 ºC in Belfast, compared to the -3.71 ºC average degrees reported in Seattle. During the winter period, Seattle can register 12.0 mm precipitation, while Belfast have an average of 3.0 mm rain level.
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