
Popular airlines from Belfast (BHD-George Best Belfast City) to Seattle-Tacoma International Airport (SEA)
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- KLM
KLM
- Iberia
Iberia
- Virgin Atlantic
Virgin Atlantic
- Finnair
Finnair
- American Airlines
American Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 25% on select hotels after you book a flight*payments icon
Cheap Flights from Belfast (BHD) to Seattle (SEA)
Prices were available within the past 7 days and start at £740 for one-way flights and £562 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | George Best Belfast City |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Aer Lingus, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Virgin Atlantic |
Return price | £561 |
Distance | 7160 km |
Compare flights from Belfast to Seattle easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Belfast to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Best Belfast City to Seattle - Tacoma Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from George Best Belfast City (BHD) to Seattle - Tacoma Intl. (SEA)
The easiest way to view the best deals on flights from Belfast to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Best Belfast City to Seattle - Tacoma Intl. start at just £562 and range up to £1,313.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Belfast and Seattle
- booking your flight during January, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Belfast to Seattle flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Best Belfast City to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Related Airlines
- Nearby Airports
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Belfast
- Belfast to Ibiza (BHD - IBZ)
- Belfast to Tenerife (BHD - TFS)
- Belfast to London (BHD - LCY)
- Belfast to Arrecife (BHD - ACE)
- Belfast to Kraków (BHD - KRK)
- Belfast to Paris (BHD - CDG)
- Belfast to Amsterdam (BHD - AMS)
- Belfast to Liverpool (BHD - LPL)
- Belfast to Málaga (BHD - AGP)
- Belfast to Edinburgh (BHD - EDI)
- Belfast to Barcelona (BHD - BCN)
- Belfast to Palma de Mallorca (BHD - PMI)
Top Routes to Seattle
- Newark Liberty Intl. Airport to Seattle (EWR - SEA)
- Phoenix to Seattle (PHX - SEA)
- Los Angeles to Seattle (LAX - SEA)
- Calgary to Seattle (YYC - SEA)
- London to Seattle (LCY - SEA)
- Leeds to Seattle (LBA - SEA)
- Edinburgh to Seattle (EDI - SEA)
- San Jose to Seattle (SJC - SEA)
- New York to Seattle (JFK - SEA)
- Dublin to Seattle (DUB - SEA)
- Birmingham to Seattle (BHX - SEA)
- Vancouver to Seattle (YVR - SEA)
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to Chicago
- Flights to Myrtle Beach
- Flights to San Diego
- Flights to Panama City Beach
- Flights to Destin
- Flights to Los Angeles
- Flights to Ocean City
- Flights to Miami
- Flights to Boston
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Atlanta
- Flights to San Francisco
- Flights to Virginia Beach
- Flights to Gulf Shores
- Flights to Seattle
Seattle Paine Field Intl. Airport
Belfast
Expedia's Latest Trends
- Flights from London to Boston
- Flights from London to Cincinnati
- Flights from London to Seattle
- Flights from Glasgow to Londonderry
- Flights from Boston to London
- Flights from Las Vegas to London
- Flights from London to Anchorage
- Flights from London to Philadelphia
- Flights from London to Columbus
- Flights from Manchester to Boston
- Flights from Las Vegas to Los Angeles
- Flights from London to Fort Lauderdale
- Flights from London to New York
- Flights from Las Vegas to San Francisco
- Flights from London to Cleveland
- Flights from London to Pittsburgh
- Flights from Toronto to New York
- Flights from Edinburgh to Boston
- Flights from Manchester to Las Vegas
- Flights from Los Angeles to Las Vegas
- Flights from Dallas to London
- Flights from Manchester to Dallas
- Flights from San Francisco to Las Vegas
- Flights from New York to Las Vegas
- Flights from London to San Diego
- Flights from Dublin to Las Vegas
- Flights from Glasgow to Las Vegas
- Flights from London to Las Vegas
- Flights from Boston to New York
- Flights from London to Dallas