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Cheap flights from Northern Ireland to Seattle from £585

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. 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.
BFS — SEA
3 May — 10 May1
1 adult
Fri 3/5
Fri 10/5

When is the cheapest time to fly from Northern Ireland to Seattle (NIR - SEA)?

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

Cheap American Airlines flights from Northern Ireland to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Northern Ireland 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 916,678 searches. Data last updated 28 April 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Northern Ireland to Seattle. Make sure to double check the flight details before booking.
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 27/4£585
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 26/4£586
Wed 25/906:50BHD - SEA
2 stops23h 55mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 26/4£590
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/919:40SEA - BHD
1 stop15h 00mAmerican Airlines
Deal found 26/4£615
Sun 26/513:10BHD - SEA
2 stops41h 55mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 28/4£655
Sun 26/517:35BHD - SEA
2 stops50h 51mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 27/4£656
Sat 15/616:15BHD - SEA
2 stops35h 33mAmerican Airlines
Sat 17/811:33SEA - BHD
2 stops19h 32mAmerican Airlines
Deal found 27/4£855

Cheap Iberia flights from Northern Ireland to Seattle

Explore cheap flight options specifically provided by Iberia for the route between Northern Ireland 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 916,678 searches. Data last updated 28 April 2024.
Some of the lowest-priced Iberia flights we've found at this time heading from Northern Ireland to Seattle. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 13/509:50BHD - SEA
1 stop15h 55mIberia
Fri 17/519:40SEA - BHD
1 stop14h 30mIberia
Deal found 27/4£1,772
Mon 13/509:50BHD - SEA
1 stop15h 55mIberia
Fri 17/512:04SEA - BHD
2 stops24h 41mIberia
Deal found 27/4£1,864

Cheap Northern Ireland to Seattle flights in April & May 2024

Find cheap flight options from Northern Ireland 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 916,678 searches. Prices were last updated on 28 April 2024.
Scroll through some of the best deals on flights from Northern Ireland to Seattle in 2024. Check back in a little while for more flight options.
Sun 26/517:35BHD - SEA
2 stops37h 30mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 28/4£655
Sun 26/517:35BHD - SEA
2 stops50h 51mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 27/4£656
Sun 26/517:20BHD - SEA
1 stop24h 50mDelta
Sun 2/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 28/4£669
Sun 26/517:20BHD - SEA
1 stop24h 50mDelta
Sun 2/613:30SEA - BHD
1 stop19h 20mDelta
Deal found 27/4£670
Sun 26/517:20BHD - SEA
2 stops29h 59mDelta
Sun 2/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 28/4£693
Mon 13/506:55BHD - SEA
3 stops18h 45mMultiple Airlines
Fri 17/518:55SEA - BHD
3 stops30h 25mMultiple Airlines
Deal found 27/4£1,027
Mon 13/520:55BFS - SEA
3 stops31h 40mMultiple Airlines
Fri 17/515:50SEA - BFS
2 stops15h 55mMultiple Airlines
Deal found 27/4£1,239
Mon 13/506:55BHD - SEA
2 stops18h 06mAer Lingus
Fri 17/519:40SEA - BHD
2 stops16h 15mAer Lingus
Deal found 27/4£1,383
Mon 13/509:50BHD - SEA
1 stop15h 55mIberia
Fri 17/519:40SEA - BHD
1 stop14h 30mIberia
Deal found 27/4£1,772

Northern Ireland to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Northern Ireland and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 916,678 searches. Data last updated 28 April 2024.
Scroll through some of the best deals on flights from Northern Ireland to Seattle in 2024. Check back in a little while for more flight options.
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 27/4£585
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 26/4£586
Wed 25/906:50BHD - SEA
2 stops23h 55mAmerican Airlines
Sun 29/923:50SEA - BHD
2 stops25h 05mAmerican Airlines
Deal found 26/4£590
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Sun 29/919:40SEA - BHD
1 stop15h 00mAmerican Airlines
Deal found 26/4£615
Sun 26/517:35BHD - SEA
2 stops37h 30mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 28/4£655
Sun 26/517:35BHD - SEA
2 stops50h 51mAmerican Airlines
Sun 2/623:59SEA - BHD
2 stops24h 56mAmerican Airlines
Deal found 27/4£656
Sun 26/517:20BHD - SEA
1 stop24h 50mDelta
Sun 2/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 28/4£669
Sun 26/517:20BHD - SEA
1 stop24h 50mKLM
Sun 2/613:30SEA - BHD
1 stop19h 20mKLM
Deal found 27/4£670
Sun 26/517:20BHD - SEA
2 stops29h 59mDelta
Sun 2/618:05SEA - BHD
1 stop14h 45mDelta
Deal found 28/4£693

Find flights from Northern Ireland to Seattle within your budget

Customise your flight search to find flights from Northern Ireland 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 916,678 searches. Data last updated 28 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£585 - £1,383

Route

Depart

Return

Price

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Wed 25/9

1 stop12h 45m

Seattle/Tacoma Intl

Sun 29/9

2 stops25h 05m

£585

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Wed 25/9

1 stop12h 45m

Seattle/Tacoma Intl

Sun 29/9

2 stops25h 05m

£586

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Wed 25/9

2 stops23h 55m

Seattle/Tacoma Intl

Sun 29/9

2 stops25h 05m

£590

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Wed 25/9

1 stop12h 45m

Seattle/Tacoma Intl

Sun 29/9

1 stop15h 00m

£615

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Sun 26/5

1 stop24h 50m

Seattle/Tacoma Intl

Sun 2/6

1 stop19h 20m

£669

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Sun 26/5

1 stop24h 50m

Seattle/Tacoma Intl

Sun 2/6

1 stop19h 20m

£670

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Sun 26/5

2 stops30h 54m

Seattle/Tacoma Intl

Sun 2/6

1 stop19h 20m

£693

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Sat 15/6

1 stop25h 00m

Seattle/Tacoma Intl

Sat 17/8

1 stop14h 40m

£811

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Mon 13/5

2 stops18h 06m

Seattle/Tacoma Intl

Fri 17/5

2 stops16h 15m

£1,383

Flights are sorted by cheapest first

Deals found on 27/4

No data available for this route at this time. Please check back soon.

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 28 April 2024.
Get a feel of what it's like to fly with American Airlines, Iberia and KLM from Northern Ireland to Seattle by reading reviews from past customers. 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
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

Delta
8.1
Very Good
10,932 reviews
Delta
8.1
Very Good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very Good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very Good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

Aer Lingus
7.2
Good
1,348 reviews
Delta
8.1
Very Good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

Iberia
7.1
Good
2,760 reviews
Delta
8.1
Very Good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

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 Northern Ireland 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 Northern Ireland?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Northern Ireland. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find flights from Northern Ireland to Seattle for under £600 on Cheapflights?

    Yes, there are multiple flights from Northern Ireland to Seattle for under £600. The cheapest flight booked recently is on American Airlines for just £585, but on average you can expect to pay £911.

  • What does BFS to SEA mean?

    Great question - BFS to SEA just means Belfast Intl Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY).

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

    The amount of baggage you can bring on your Northern Ireland 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 Northern Ireland to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Northern Ireland 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 Northern Ireland to Seattle that include hotel bookings?

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

  • How can I find direct flights from Northern Ireland to Seattle?

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

  • Can I find deals for business class flights from Northern Ireland to Seattle?

    Yes. Cheapflights offers flight deals from Northern Ireland 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 Northern Ireland to Seattle that allow pets onboard?

    Many airlines flying from Northern Ireland 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 Northern Ireland to Seattle?

    Yes, you can often find last-minute deals on Northern Ireland 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 Northern Ireland to Seattle flight deals updated?

    The Northern Ireland to Seattle flight deals you see on this page were last updated on 28/4.

See more FAQs

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Alternative routes for Northern Ireland to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Northern Ireland to Seattle

Discover the top airline that operate flights from Northern Ireland 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 916,678 searches. Data last updated 28 April 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£563Average£645FlexibilityNo cancel feeOn-time70%
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Search flights from Northern Ireland to Seattle by cabin class

Find flights from Northern Ireland to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy 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 Northern Ireland to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Northern Ireland to Seattle with no change fees?

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

Can Cheapflights notify me if prices for flights from Northern Ireland to Seattle become cheaper?

Yes! Start tracking prices for Northern Ireland 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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