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Cheap flights from Belfast City Airport to Seattle from £487

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SEA
14 Jan — 21 Jan1
1 adult

Cheap flight deals from Belfast City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 January 2025.

Round-trip from

£487
British Airways
  • British Airways
  • 23/2-2/3
  • 3 total stops
  • 34h 59m total
  • Belfast to Seattle
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Find flight deals from Belfast City to Seattle

Cheapest flights from Belfast City to Seattle
Explore the most affordable flight options available from Belfast City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2025.

Sun 23/209:10BHD - SEA
2 stops20h 59mBritish Airways
Sun 2/318:50SEA - BHD
1 stop14h 00mBritish Airways
Deal found 8/1£487
Wed 21/507:05BHD - SEA
2 stops21h 35mMultiple Airlines
Thu 29/515:45SEA - BHD
2 stops20h 40mMultiple Airlines
Deal found 8/1£507
Wed 26/306:30BHD - SEA
2 stops19h 29mKLM
Wed 2/417:10SEA - BHD
2 stops15h 45mKLM
Deal found 8/1£515
Wed 26/306:30BHD - SEA
2 stops22h 26mVirgin Atlantic
Wed 2/415:15SEA - BHD
2 stops22h 00mVirgin Atlantic
Deal found 7/1£525
Wed 26/309:10BHD - SEA
2 stops20h 57mAmerican Airlines
Wed 2/423:59SEA - BHD
2 stops27h 11mAmerican Airlines
Deal found 8/1£526
Thu 27/306:30BHD - SEA
1 stop13h 10mDelta
Sat 5/417:35SEA - BHD
1 stop15h 20mDelta
Deal found 7/1£579

Find flights from Belfast City to Seattle within your budget

Customise your flight search to find flights from Belfast City to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Sun 23/2

09:10-22:09

2 stops20h 59m

Seattle/Tacoma Intl

Sun 2/3

18:50-16:50

1 stop14h 00m

£487

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 21/5

07:05-20:40

2 stops21h 35m

Seattle/Tacoma Intl

Thu 29/5

15:45-20:25

2 stops20h 40m

£507

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 26/3

06:30-18:59

2 stops19h 29m

Seattle/Tacoma Intl

Wed 2/4

17:10-16:55

2 stops15h 45m

£515

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 26/3

06:30-21:56

2 stops22h 26m

Seattle/Tacoma Intl

Wed 2/4

15:15-21:15

2 stops22h 00m

£525

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 26/3

09:10-23:07

2 stops20h 57m

Seattle/Tacoma Intl

Wed 2/4

23:59-11:10

2 stops27h 11m

£526

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 27/3

06:30-12:40

1 stop13h 10m

Seattle/Tacoma Intl

Sat 5/4

17:35-16:55

1 stop15h 20m

£579

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Best time to book a flight from Belfast City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Belfast City with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Belfast City to Seattle

Get recent, data-driven insights about flights from Belfast City to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from BHD to SEA?

Find hourly flight availability from Belfast City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast City Airport to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 9 January 2025.
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,499 reviews
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,337 reviews
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
662 reviews
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,785 reviews
Delta
8.0
Very Good
8,499 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Belfast City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Belfast City?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Belfast City. On average, Seattle/Tacoma Intl has 0 inbound flights from Belfast City per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find deals for flights from Belfast City to Seattle that include hotel bookings?

    Yes. In addition to deals on Belfast City to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast City to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Seattle.

  • Can I find deals for business class flights from Belfast City to Seattle?

    Yes. Cheapflights offers flight deals from Belfast City to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast City Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to Seattle (average of £622). Flying from Belfast City Airport to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast City to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Seattle flights

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How does Cheapflights help users find flights from Belfast City to Seattle?

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Why should you use Cheapflights to find cheap flight tickets from Belfast City to Seattle?

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Can Cheapflights find flights from Belfast City to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast City to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Belfast City to Seattle become cheaper?

Yes! Start tracking prices for Belfast City to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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