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Cheap flights from Northern Ireland to Seattle from £608

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/4. 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 Apr — 10 Apr1
1 adult
Wed 3/4
Wed 10/4

Find deals on flights from Northern Ireland to Seattle by searching across hundreds of travel sites at once

 
Cheapflights users frequently choose these airlines when searching for flights from Northern Ireland to Seattle, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from Northern Ireland to Seattle, based on our search results.
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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 953,168 searches. Data last updated 29 March 2024.
Thu 25/409:35BHD - SEA
2 stops35h 07mAmerican Airlines
Mon 29/413:32SEA - BHD
2 stops19h 53mAmerican Airlines
Deal found 27/3£608
Thu 25/406:35BHD - SEA
1 stop19h 10mAmerican Airlines
Mon 29/415:47SEA - BHD
2 stops17h 38mAmerican Airlines
Deal found 27/3£714

Cheap Northern Ireland to Seattle flights in March & April 2024

Find cheap flight options from Northern Ireland to Seattle specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 953,168 searches. Prices were last updated on 29 March 2024.
Thu 25/409:35BHD - SEA
2 stops35h 07mAmerican Airlines
Mon 29/413:32SEA - BHD
2 stops19h 53mAmerican Airlines
Deal found 27/3£608
Thu 25/415:35BHD - SEA
1 stop28h 50mLufthansa
Mon 29/414:15SEA - BHD
1 stop16h 35mLufthansa
Deal found 28/3£693
Thu 25/406:35BHD - SEA
1 stop19h 10mAmerican Airlines
Mon 29/415:47SEA - BHD
2 stops17h 38mAmerican Airlines
Deal found 27/3£714

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 953,168 searches. Data last updated 29 March 2024.
Thu 25/409:35BHD - SEA
2 stops35h 07mAmerican Airlines
Mon 29/413:32SEA - BHD
2 stops19h 53mAmerican Airlines
Deal found 27/3£608
Thu 25/415:35BHD - SEA
1 stop28h 50mLufthansa
Mon 29/414:15SEA - BHD
1 stop16h 35mLufthansa
Deal found 28/3£693
Thu 25/406:35BHD - SEA
1 stop19h 10mAmerican Airlines
Mon 29/415:47SEA - BHD
2 stops17h 38mAmerican Airlines
Deal found 27/3£714
Wed 25/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Wed 9/1013:30SEA - BHD
1 stop15h 55mAmerican Airlines
Deal found 29/3£1,080
Wed 25/906:50BHD - SEA
2 stops23h 55mAmerican Airlines
Wed 9/1013:30SEA - BHD
1 stop15h 55mAmerican Airlines
Deal found 29/3£1,088
Thu 26/906:35BHD - SEA
1 stop12h 55mAmerican Airlines
Wed 9/1013:30SEA - BHD
1 stop15h 55mAmerican Airlines
Deal found 29/3£1,109
Wed 25/906:50BHD - SEA
2 stops23h 55mAmerican Airlines
Wed 9/1014:45SEA - BHD
2 stops18h 55mAmerican Airlines
Deal found 29/3£1,117
Thu 26/906:35BHD - SEA
1 stop12h 55mAmerican Airlines
Wed 9/1014:45SEA - BHD
2 stops18h 55mAmerican Airlines
Deal found 29/3£1,138
Sun 29/917:35BHD - SEA
1 stop26h 00mAmerican Airlines
Wed 9/1013:30SEA - BHD
1 stop14h 20mAmerican Airlines
Deal found 29/3£1,190

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 953,168 searches. Data last updated 29 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£608 - £714

Route

Depart

Return

Price

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Thu 25/4

2 stops35h 07m

Seattle/Tacoma Intl

Mon 29/4

2 stops19h 53m

£608

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Thu 25/4

1 stop28h 50m

Seattle/Tacoma Intl

Mon 29/4

1 stop16h 35m

£693

Belfast CitySeattle/Tacoma Intl

BHD - SEA

BHDSEA

Belfast City

Thu 25/4

1 stop19h 10m

Seattle/Tacoma Intl

Mon 29/4

2 stops17h 38m

£714

Flights are sorted by cheapest first

Deals found on 27/3

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 29 March 2024.
7.3
Good
15,181 reviews

Boarding

7.6

Comfort

7.2

Overall

7.3

Entertainment

7.1

Crew

8.0

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

7.3
Good
15,181 reviews
7.3
Good
15,181 reviews

Boarding

7.6

Comfort

7.2

Overall

7.3

Entertainment

7.1

Crew

8.0

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

7.0
Good
7,882 reviews
7.3
Good
15,181 reviews

Boarding

7.6

Comfort

7.2

Overall

7.3

Entertainment

7.1

Crew

8.0

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

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 £700 on Cheapflights?

    Yes, there are multiple flights from Northern Ireland to Seattle for under £700. The cheapest flight booked recently is on American Airlines for just £608, but on average you can expect to pay £671.

  • 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 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 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 vacation 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 see available direct flights.

  • 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 do 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.

  • 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 29/3.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 953,168 searches. Data last updated 29 March 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£557Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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.

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.

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 can I compare prices from different travel booking sites for flights from Northern Ireland to Seattle?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Northern Ireland to Seattle that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.