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Cheap flights from Belfast City Airport to Seattle from £618

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BHD — SEA
24 Apr — 1 May1
1 adult
Wed 24/4
Wed 1/5

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 19 April 2024.

Round-trip from

£462
From Belfast City to Seattle/Tacoma Intl
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When is the cheapest time to fly from Belfast City Airport to Seattle (BHD - SEA)?

Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from Belfast City Airport to Seattle by exploring options for tickets at midday.

Cheap KLM flights from Belfast City to Seattle

Explore cheap flight options specifically provided by KLM for the route between Belfast City and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Take a look at some of the lowest-priced KLM flights heading from Belfast to Seattle. Make sure to check back often as deals are often changing.
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£670
Tue 28/517:20BHD - SEA
2 stops31h 40mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£681
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£727
Tue 28/517:20BHD - SEA
2 stops29h 59mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£732
Sat 15/617:20BHD - SEA
1 stop25h 00mKLM
Sat 17/815:15SEA - BHD
2 stops17h 35mKLM
Deal found 19/4£940

Cheap American Airlines flights from Belfast City to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Belfast City and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Belfast to Seattle. Check back soon if you're not seeing flights that suit your needs.
Mon 27/513:50BHD - SEA
2 stops41h 15mAmerican Airlines
Tue 11/622:52SEA - BHD
2 stops25h 58mAmerican Airlines
Deal found 18/4£702
Sat 15/606:50BHD - SEA
2 stops23h 07mAmerican Airlines
Sat 17/811:33SEA - BHD
2 stops19h 32mAmerican Airlines
Deal found 19/4£963

Cheap Belfast City to Seattle flights in April & May 2024

Find cheap flight options from Belfast City to Seattle specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Prices were last updated on 19 April 2024.
Check out some of the best flight deals from Belfast to Seattle in 2024. Check back regularly for other flight deals.
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£670
Mon 27/517:20BHD - SEA
1 stop24h 50mMultiple Airlines
Tue 11/618:05SEA - BHD
1 stop14h 45mMultiple Airlines
Deal found 18/4£678
Tue 28/517:20BHD - SEA
2 stops31h 40mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£681
Mon 27/517:20BHD - SEA
2 stops30h 54mDelta
Tue 11/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 18/4£690
Mon 27/513:50BHD - SEA
2 stops41h 15mAmerican Airlines
Tue 11/622:52SEA - BHD
2 stops25h 58mAmerican Airlines
Deal found 18/4£702
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£727
Tue 28/517:20BHD - SEA
2 stops29h 59mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£732
Tue 28/518:15BHD - SEA
2 stops36h 50mBritish Airways
Tue 18/622:52SEA - BHD
2 stops25h 58mBritish Airways
Deal found 18/4£735
Mon 27/507:00BHD - SEA
3 stops33h 10mMultiple Airlines
Tue 11/607:00SEA - BHD
3 stops29h 50mMultiple Airlines
Deal found 18/4£868

Belfast City to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Belfast City and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Check out some of the best flight deals from Belfast to Seattle in 2024. Check back regularly for other flight deals.
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£670
Mon 27/517:20BHD - SEA
1 stop24h 50mMultiple Airlines
Tue 11/618:05SEA - BHD
1 stop14h 45mMultiple Airlines
Deal found 18/4£678
Tue 28/517:20BHD - SEA
2 stops31h 40mKLM
Tue 11/618:05SEA - BHD
1 stop14h 45mKLM
Deal found 19/4£681
Mon 27/517:20BHD - SEA
2 stops30h 54mDelta
Tue 11/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 18/4£690
Mon 27/513:50BHD - SEA
2 stops41h 15mAmerican Airlines
Tue 11/622:52SEA - BHD
2 stops25h 58mAmerican Airlines
Deal found 18/4£702
Tue 28/517:20BHD - SEA
1 stop24h 50mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£727
Tue 28/517:20BHD - SEA
2 stops29h 59mKLM
Tue 18/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 18/4£732
Tue 28/518:15BHD - SEA
2 stops36h 50mBritish Airways
Tue 18/622:52SEA - BHD
2 stops25h 58mBritish Airways
Deal found 18/4£735
Mon 27/507:00BHD - SEA
3 stops33h 10mMultiple Airlines
Tue 11/607:00SEA - BHD
3 stops29h 50mMultiple Airlines
Deal found 18/4£868

One-way flights to Seattle from Belfast City

Search for one-way flight options from Belfast City to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Take a look at some of the one-way flights we've detected from Belfast to Seattle. Those needing a return flight from Belfast to Seattle can use the search form above.
Thu 11/706:55BHD - SEA
2 stops18h 26mMultiple Airlines
Deal found 18/4£618
Thu 11/707:00BHD - SEA
3 stops33h 39mMultiple Airlines
Deal found 18/4£632
Thu 11/718:25BHD - SEA
1 stop25h 10mMultiple Airlines
Deal found 18/4£967

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 899,432 searches. Data last updated 19 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£670 - £868

Route

Depart

Return

Price

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Tue 28/5

1 stop24h 50m

Seattle/Tacoma Intl

Tue 11/6

1 stop14h 45m

£670

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Mon 27/5

1 stop24h 50m

Seattle/Tacoma Intl

Tue 11/6

1 stop14h 45m

£678

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Tue 28/5

2 stops31h 40m

Seattle/Tacoma Intl

Tue 11/6

1 stop14h 45m

£681

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Mon 27/5

2 stops30h 54m

Seattle/Tacoma Intl

Tue 11/6

1 stop14h 45m

£690

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Mon 27/5

2 stops41h 15m

Seattle/Tacoma Intl

Tue 11/6

2 stops25h 58m

£702

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Tue 28/5

1 stop24h 50m

Seattle/Tacoma Intl

Tue 18/6

1 stop19h 20m

£727

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Tue 28/5

2 stops29h 59m

Seattle/Tacoma Intl

Tue 18/6

1 stop19h 20m

£732

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Tue 28/5

2 stops36h 50m

Seattle/Tacoma Intl

Tue 18/6

2 stops25h 58m

£735

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Mon 27/5

3 stops33h 10m

Seattle/Tacoma Intl

Tue 11/6

3 stops29h 50m

£868

Flights are sorted by cheapest first

Deals found on 19/4

When is the cheapest time to fly from Belfast City Airport to Seattle?

Use this chart to determine the cheapest time to fly return from Belfast City to Seattle. Price data was last updated on 14 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Belfast City Airport to Seattle flight should consider departing on Monday at midday when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Belfast City to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Belfast City to Seattle is currently £739 while a return flight costs £720. Price data was last updated on 14 April 2024.

Currently, December is the cheapest month in which you can book a flight from Belfast City Airport to Seattle (average of £576). Flying from Belfast City Airport to Seattle in July is currently the most expensive (average of £801). 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.

January

£489

February

£476

March

£507

April

£519

May

£543

June

£610

July

£643

August

£612

September

£551

October

£524

November

£485

December

£462

Temperature and rainfall in Seattle by month

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

SEA

Temperature

5 - 19 °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 19 April 2024.
See what other customers who have flown with KLM and American Airlines from Belfast to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very Good
11,094 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,641 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,955 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

British Airways
6.9
Okay
6,936 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 1 airline. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find flights from Belfast City Airport to Seattle for under £700 on Cheapflights?

    Yes, there are multiple flights from Belfast City Airport to Seattle for under £700. The cheapest flight booked recently is on KLM for just £670, but on average you can expect to pay £783.

  • What are the cheapest airlines flying from Belfast City Airport to Seattle round-trip?

    Our cheapest airline available from Belfast City Airport to Seattle is KLM. Our recent data shows that you can find tickets from as low as £670 on this airline. Additional options worth looking into are Delta and American Airlines, starting at £690 and £702 round-trip.

  • What does BHD to SEA mean?

    Belfast City Airport is BHD and Seattle/Tacoma Intl Airport is SEA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Belfast City to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Belfast City to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Belfast City to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Belfast City to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Belfast City to Seattle that allow pets onboard?

    Many airlines flying from Belfast City to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Belfast City to Seattle?

    Yes, you can often find last-minute deals on Belfast City to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Belfast City Airport to Seattle flight deals updated?

    The Belfast City Airport to Seattle flight deals you see on this page were last updated on 19/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Belfast City to Seattle

Discover the top airline that operate flights from Belfast City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£565Average£608FlexibilityNo cancel feeOn-time70%
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Search flights from Belfast City to Seattle by cabin class

Find flights from Belfast City to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Belfast City to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast City to Seattle for you. Better yet — we are completely free to use.

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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