Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from Seattle to Belfast?

Flights from Belfast to Seattle, United States Last modified: Oct 1, 2016 0:52 -04:00

Belfast to Seattle Last modified: Oct 1, 2016 0:52 -04:00

We've scanned 25,105,116,481 round trip itineraries and found the cheapest flights from Belfast to Seattle. British Airways & Iberia frequently offer the best deals on Belfast to Seattle flights, or select your preferred carrier below to see the cheapest days to fly.

British Airways
BFSSEA
Sat 14/01
2 stops
SEABFS
Wed 25/01
2 stops
£483
Select
Iberia
BFSSEA
Sun 30/10
2 stops
SEABFS
Sun 06/11
2 stops
£512
Select
United
BFSSEA
Sat 05/11
2 stops
SEABFS
Sun 13/11
2 stops
£566
Select
Air France
BFSSEA
Thu 03/11
2 stops
SEABFS
Thu 10/11
2 stops
£602
Select
KLM
BFSSEA
Sun 30/10
1 stop
SEABFS
Sun 06/11
1 stop
£687
Select
Aer Lingus
BFSSEA
Thu 03/11
1 stop
SEABFS
Thu 10/11
1 stop
£726
Select
Aer Lingus
BFSSEA
Sat 14/01
1 stop
SEABFS
Wed 25/01
1 stop
£726
Select
Air Canada
BFSSEA
Sun 30/10
3 stops
SEABFS
Sun 06/11
3 stops
£777
Select

How Much is a Flight from Belfast to Seattle?

We have collected flight cost data from across the web for travel from Belfast to Seattle, and have found the average flight price for this trip to be £534.

Where To Buy Cheap Flights from Belfast to Seattle?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Belfast to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Belfast to Seattle?

The chart below shows up-to-date information regarding how far in advance to book your flight from Belfast to Seattle.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days £0 £0
7-14 days £0 £793
14-21 days £0 £786
21-30 days £0 £512
30-60 days £0 £523
60-90 days £0 £0
90+ days £0 £483

Cheapest Day To Fly from Belfast to Seattle

We've examined 25,112,504,041 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Belfast to Seattle is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
£523 £566 £512

Compare Flight Prices from Belfast to Seattle by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Belfast to Seattle flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October Belfast Seattle Iberia 30/10/2016 06/11/2016 2 £512
November Belfast Seattle Iberia 03/11/2016 10/11/2016 2 £523
January Belfast Seattle British Airways 14/01/2017 25/01/2017 2 £483
April Belfast Seattle British Airways 08/04/2017 22/04/2017 1 £624
June Belfast Seattle British Airways 03/06/2017 11/06/2017 2 £616

Cheap Last Minute Flights from Belfast to Seattle

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Belfast to Seattle. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
9 10 11 12 13 14 15
£793
16 17 18 19 20 21 22
£793

Connecting Flights vs Direct Flights from Belfast to Seattle

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Belfast to Seattle is £1,151.

The average price for direct flights from Belfast to Seattle is not available.

One Way Flights vs Round Trip Flights from Belfast to Seattle

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Belfast to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Belfast to Seattle is not available.

The average price for round trip flights from Belfast to Seattle is £552.

Belfast to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Belfast to Seattle?
Answer: London, GB

Airlines in Belfast flying to Seattle Last modified: Oct 1, 2016 0:52 -04:00Number of routes searched: 13Number of itineraries searched: 3,342

Wondering which airlines fly out of Belfast to Seattle? We've gathered the average price of Belfast airlines with flights to Seattle. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Belfast to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
British Airways LHR
Iberia LHR
KLM AMS
United EWR
KLM AMS / LHR
United EWR / BOS
United EWR / DEN
United EWR / IAD
United EWR / IAH

Belfast to Seattle Airports

These are the major commercial airports we're currently monitoring in Belfast and Seattle. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap International Flights from Belfast - BFS

FlightsAirlineLowest Price
Flights from Belfast to Vancouver Air France, British Airways, Delta, Aer Lingus, Iberia, United £649
Flights from Belfast to Portland British Airways, Delta, Iberia, KLM, United, Virgin Atlantic £616

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Flights from Dublin to Seattle American, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, SAS, United £477
Flights from Manchester to Seattle American, Air Berlin, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, Lufthansa, Swiss, Austrian, SAS, Brussels, Turkish, Tap Portugal, United, Virgin Atlantic £392
Flights from Glasgow to Seattle American, Air France, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, United, Virgin Atlantic £401
Flights from Edinburgh to Seattle American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic £441
Flights from Newcastle to Seattle Air France, British Airways, Aer Lingus, Iberia, KLM, SAS, Brussels £489
Flights from Shannon to Seattle American, Air Canada, Air France, British Airways, Delta, Aer Lingus, KLM, United £469
Flights from Dublin to Vancouver American, Air Canada, Air France, British Airways, Aer Lingus, KLM, Lufthansa, Swiss, Air Transat, United £417
Flights from Manchester to Vancouver American, Air Canada, Air France, British Airways, Delta, Icelandair, Iberia, KLM, Lufthansa, Swiss, Austrian, Brussels, Turkish, Air Transat, United, Virgin Atlantic £443
Flights from Glasgow to Vancouver American, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, Lufthansa, Air Transat, United £573
Flights from Edinburgh to Vancouver American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Swiss, Brussels, United, Virgin Atlantic £618
Flights from Dublin to Portland American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Swiss, SAS, United £597
Flights from Manchester to Portland American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, Lufthansa, Swiss, SAS, Brussels, Turkish, United, Virgin Atlantic £606
Flights from Shannon to Vancouver American, British Airways, Delta, Aer Lingus, KLM, Lufthansa, United £551
Flights from Newcastle to Vancouver Air France, British Airways, Aer Lingus, Iberia, KLM, Brussels £597
Flights from Dublin to Victoria Air Canada, Air France, Delta £703
Flights from Manchester to Victoria American, Air Canada, Delta, Icelandair, KLM, United £802
Flights from Dublin to Los Angeles American, Air Canada, Air France, British Airways, Delta, Norwegian Shuttle, Aer Lingus, Ethiopian, Iberia, KLM, Lufthansa, Swiss, SAS, United, WOW air £331
Flights from Dublin to New York American, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, United £331
Flights from Dublin to San Francisco American, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Swiss, United, WOW air £425
Flights from Edinburgh to Portland American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, SAS, Brussels, United, Virgin Atlantic £645
Flights from Dublin to Chicago American, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, SAS, United £436
Flights from Glasgow to Portland American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, United, Virgin Atlantic £657
Flights from Leeds Bradford to Vancouver Air France, British Airways, Aer Lingus, Iberia, KLM £604
Flights from Glasgow to Victoria American, Air Canada, Delta, Icelandair, United £805
Flights from Dublin to Las Vegas American, Air Canada, Air France, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Swiss, SAS, Turkish, United £298
Flights from Newcastle to PortlandCheck Dates
Flights from Shannon to Portland American, Air Canada, British Airways, Delta, Aer Lingus, United £647
Flights from Leeds Bradford to PortlandCheck Dates
Cheap Flights from Belfast to Seattle