Cheap flights from Seattle to Belfast

Choose between easyJet, British Airways, or Delta Air Lines to find the best price

Travelers usually depart from Seattle Swedish Med Greyhound station, Seattle-South Lane St. Bus Stop, Seattle-Hospital Greyhound station, Seattle-Arnold Med (e) Greyhound station, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Belfast. The most popular airlines for this route are easyJet, British Airways, Delta Air Lines, Alaska Airlines, and WestJet. Seattle and Belfast have 164 direct flights per week. When you arrive at Belfast, consider visiting Trinity College, Dublin, Bru Na Boinne Neolithic Site (County Meath, Ireland), and Giant's Causeway.

Weekly flights

MondayTuesdayWednesdayThursdayFridaySaturdaySunday
Number of flights1642631-4542

Check-in for a flight from Seattle to Belfast

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
easyJetEZYU2Yes12 min before flightOpens 30 days before flight
Closes 2 hours before flight
British AirwaysBAWBAYesUnknownNo
Delta Air LinesDALDLYesUnknownOpens 1 days before flight
0
Alaska AirlinesASAASYesUnknownOpens 1 days before flight
Closes 1 hours before flight
WestJetWJAWSNoUnknownOpens 1 days before flight
Closes 1 hours before flight

Frequently asked questions

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and Los Angeles International, McCarran International, Orlando International, Denver International, O Hare International, Tampa International, San Diego International, Philadelphia International, Oakland International, Dane County Regional, Bismarck Municipal.

What are the most popular routes to and from Belfast?

Travelers frequently search for route combinations, such as Belfast and London Stansted, Amsterdam Airport Schiphol, Charles de Gaulle Airport, Manchester, Glasgow, Liverpool John Lennon, Billund, Barcelona–El Prat, Lisbon Portela, Palma de Mallorca, Málaga.

Which airports are there in Seattle?

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Pangborn Memorial, Paine Field Everett, Abbotsford International, Yakima Air Terminal, Vancouver Harbour Flight Centre, Friday Harbor Airport, Kenmore Air Harbor.

What airports are near Belfast?

The main airport in Belfast is Belfast International. It is also served by Dublin, Isle of Man, Glasgow Prestwick, Ireland West Airport Knock, City of Derry, Donegal.

What buses and trains depart from Seattle?

A number of bus and train companies depart from Seattle, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Belfast?

What is Virtual Interlining and how do I use it?

Which airlines fly between Seattle and Belfast?

When's the best time to travel between Seattle and Belfast?

What flights operate between Seattle and Belfast?

How many airports are there near Seattle?

How many airports are there near Belfast?

Is it possible to reach Seattle by bus or train?

What time do nonstop (direct) flights between Seattle and Belfast depart?

What time do nonstop (direct) flights between Seattle and Belfast arrive?

What time do flights between Seattle and Belfast depart?

What time do flights between Seattle and Belfast arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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