sea-to-bfs

 

The cheapest times to fly from SEA to BFS are

  • April 9th to April 22nd
  • May 7th to June 3rd
  • August 13th to October 14th (except the week of August 27th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to BFS is early to mid October. Prices can be as high as $2300 for Saturday flights during early to mid July, or as low as $549 for Sunday flights around early to mid October.

 

When to Fly to Belfast

Flying from Seattle, WA (SEA) to Belfast (BFS) will usually cost between $575 to $1562 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $549. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1787. Planning your trip to low-cost times can easily save you $1238 on economy flights and even more on first-class flights. Generally, any price below $872 can be considered a good price for a round-trip SEA to BFS flight.

See below for a graph of average weekly prices for the SEA to BFS route. All prices are for round-trip tickets in USD.

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SEA to BFS Flight Prices

Compared to other flights, the SEA to BFS flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.12, which is far below average.

 

Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to BFS, and Wednesday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $342 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $970. Return trip prices are from the BFS to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from SEA to BFS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 1 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to BFS while comparing.

Destination alternative #1: Dublin Airport (DUB) in Dublin

  • 85 miles (137 km) away from BFS
  • Usually 33.08% less expensive than BFS
  • Nonstop flights available

See SEA to DUB flights

Destination alternative #2: Glasgow Airport (GLA) in Glasgow

  • 109 miles (175 km) away from BFS
  • Usually 24.77% less expensive than BFS
  • 1-layover flights available

See SEA to GLA flights

Destination alternative #3: Belfast City Airport (BHD) in Belfast

  • 14 miles (23 km) away from BFS
  • Usually 23.74% less expensive than BFS
  • 1-layover flights available

See SEA to BHD flights

Destination alternative #4: Edinburgh Airport (EDI) in Edinburgh

  • 144 miles (232 km) away from BFS
  • Usually 16.74% less expensive than BFS
  • 1-layover flights available

See SEA to EDI flights

 

Flight Hacking SEA to BFS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to BFS — but Champion Traveler does!

Hack #1: London (SEA > LGW > BFS)

  • Price for both tickets: $580
  • Average savings: $292 (33.49%)

See SEA to LGW flights

Hack #2: Manchester (SEA > MAN > BFS)

  • Price for both tickets: $640
  • Average savings: $233 (26.66%)

See SEA to MAN flights

Hack #3: Birmingham (SEA > BHX > BFS)

  • Price for both tickets: $692
  • Average savings: $181 (20.7%)

See SEA to BHX flights

 

Flight Questions Answered

Still have questions about flying from SEA to BFS? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: Air France, Delta, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Belfast Aldergrove Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 4463 miles or 7182 kilometers.

How long does it take to fly from SEA to BFS?

The real-world flight time for a nonstop SEA to BFS flight is about 9 hour 1 minutes.

How many flights go between Seattle, WA and Belfast?

It depends on the day of the week and the date, but a typical day might have around 34 available flights from SEA to BFS.

 

Airport Location Info

 

Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code BFS
Destination airport name Belfast Aldergrove Airport
City Belfast
Country the United Kingdom
Latitude 54.7
Longitude -6.2

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.